[INFO] fetching crate primality 0.1.0...
[INFO] testing primality-0.1.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate primality 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate primality 0.1.0
[INFO] finished tweaking crates.io crate primality 0.1.0
[INFO] tweaked toml for crates.io crate primality 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate primality 0.1.0 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 3 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 05ca94f620ed2d3f6e2de49efc63f0d2c3a4c71bb0201689e290202dc3968e31
[INFO] running `Command { std: "docker" "start" "-a" "05ca94f620ed2d3f6e2de49efc63f0d2c3a4c71bb0201689e290202dc3968e31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05ca94f620ed2d3f6e2de49efc63f0d2c3a4c71bb0201689e290202dc3968e31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05ca94f620ed2d3f6e2de49efc63f0d2c3a4c71bb0201689e290202dc3968e31", kill_on_drop: false }`
[INFO] [stdout] 05ca94f620ed2d3f6e2de49efc63f0d2c3a4c71bb0201689e290202dc3968e31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 588bcec066b01a5f3f0a3d179fb57183a797f599e605b1b751f80a5b29d9b011
[INFO] running `Command { std: "docker" "start" "-a" "588bcec066b01a5f3f0a3d179fb57183a797f599e605b1b751f80a5b29d9b011", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling primality v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.01s
[INFO] running `Command { std: "docker" "inspect" "588bcec066b01a5f3f0a3d179fb57183a797f599e605b1b751f80a5b29d9b011", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "588bcec066b01a5f3f0a3d179fb57183a797f599e605b1b751f80a5b29d9b011", kill_on_drop: false }`
[INFO] [stdout] 588bcec066b01a5f3f0a3d179fb57183a797f599e605b1b751f80a5b29d9b011
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 0ee041e434ac6955912c9a91ffe49880c38405a57a144f30c3697cda56c814ea
[INFO] running `Command { std: "docker" "start" "-a" "0ee041e434ac6955912c9a91ffe49880c38405a57a144f30c3697cda56c814ea", kill_on_drop: false }`
[INFO] [stderr]    Compiling primality v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `is_prime`
[INFO] [stdout]  --> tests/tests.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     use is_prime::IsPrime;
[INFO] [stdout]   |         ^^^^^^^^ use of unresolved module or unlinked crate `is_prime`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `is_prime`, use `cargo add is_prime` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_prime` found for type `u8` in the current scope
[INFO] [stdout]  --> tests/tests.rs:8:22
[INFO] [stdout]   |
[INFO] [stdout] 8 |         assert!(!0u8.is_prime());
[INFO] [stdout]   |                      ^^^^^^^^ method not found in `u8`
[INFO] [stdout]   |
[INFO] [stdout]  ::: /opt/rustwide/workdir/src/lib.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 |     fn is_prime(&self) -> bool {
[INFO] [stdout]   |        -------- the method is available for `u8` here
[INFO] [stdout]   |
[INFO] [stdout]   = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `IsPrime` which provides `is_prime` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]   |
[INFO] [stdout] 3 +     use primality::IsPrime;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_prime` found for type `u8` in the current scope
[INFO] [stdout]  --> tests/tests.rs:9:21
[INFO] [stdout]   |
[INFO] [stdout] 9 |         assert!(2u8.is_prime());
[INFO] [stdout]   |                     ^^^^^^^^ method not found in `u8`
[INFO] [stdout]   |
[INFO] [stdout]  ::: /opt/rustwide/workdir/src/lib.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 |     fn is_prime(&self) -> bool {
[INFO] [stdout]   |        -------- the method is available for `u8` here
[INFO] [stdout]   |
[INFO] [stdout]   = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `IsPrime` which provides `is_prime` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]   |
[INFO] [stdout] 3 +     use primality::IsPrime;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_prime` found for type `u8` in the current scope
[INFO] [stdout]   --> tests/tests.rs:10:23
[INFO] [stdout]    |
[INFO] [stdout] 10 |         assert!(!35u8.is_prime());
[INFO] [stdout]    |                       ^^^^^^^^ method not found in `u8`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/lib.rs:4:8
[INFO] [stdout]    |
[INFO] [stdout] 4  |     fn is_prime(&self) -> bool {
[INFO] [stdout]    |        -------- the method is available for `u8` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `IsPrime` which provides `is_prime` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 3  +     use primality::IsPrime;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_prime` found for type `u8` in the current scope
[INFO] [stdout]   --> tests/tests.rs:11:23
[INFO] [stdout]    |
[INFO] [stdout] 11 |         assert!(!57u8.is_prime());
[INFO] [stdout]    |                       ^^^^^^^^ method not found in `u8`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/lib.rs:4:8
[INFO] [stdout]    |
[INFO] [stdout] 4  |     fn is_prime(&self) -> bool {
[INFO] [stdout]    |        -------- the method is available for `u8` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `IsPrime` which provides `is_prime` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 3  +     use primality::IsPrime;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_prime` found for type `u16` in the current scope
[INFO] [stdout]   --> tests/tests.rs:14:23
[INFO] [stdout]    |
[INFO] [stdout] 14 |         assert!(!0u16.is_prime());
[INFO] [stdout]    |                       ^^^^^^^^ method not found in `u16`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/lib.rs:4:8
[INFO] [stdout]    |
[INFO] [stdout] 4  |     fn is_prime(&self) -> bool {
[INFO] [stdout]    |        -------- the method is available for `u16` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `IsPrime` which provides `is_prime` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 3  +     use primality::IsPrime;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_prime` found for type `u16` in the current scope
[INFO] [stdout]   --> tests/tests.rs:15:23
[INFO] [stdout]    |
[INFO] [stdout] 15 |         assert!(!1u16.is_prime());
[INFO] [stdout]    |                       ^^^^^^^^ method not found in `u16`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/lib.rs:4:8
[INFO] [stdout]    |
[INFO] [stdout] 4  |     fn is_prime(&self) -> bool {
[INFO] [stdout]    |        -------- the method is available for `u16` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `IsPrime` which provides `is_prime` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 3  +     use primality::IsPrime;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_prime` found for type `u16` in the current scope
[INFO] [stdout]   --> tests/tests.rs:16:22
[INFO] [stdout]    |
[INFO] [stdout] 16 |         assert!(2u16.is_prime());
[INFO] [stdout]    |                      ^^^^^^^^ method not found in `u16`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/lib.rs:4:8
[INFO] [stdout]    |
[INFO] [stdout] 4  |     fn is_prime(&self) -> bool {
[INFO] [stdout]    |        -------- the method is available for `u16` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `IsPrime` which provides `is_prime` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 3  +     use primality::IsPrime;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_prime` found for type `u16` in the current scope
[INFO] [stdout]   --> tests/tests.rs:17:22
[INFO] [stdout]    |
[INFO] [stdout] 17 |         assert!(3u16.is_prime());
[INFO] [stdout]    |                      ^^^^^^^^ method not found in `u16`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/lib.rs:4:8
[INFO] [stdout]    |
[INFO] [stdout] 4  |     fn is_prime(&self) -> bool {
[INFO] [stdout]    |        -------- the method is available for `u16` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `IsPrime` which provides `is_prime` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 3  +     use primality::IsPrime;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_prime` found for type `u16` in the current scope
[INFO] [stdout]   --> tests/tests.rs:18:26
[INFO] [stdout]    |
[INFO] [stdout] 18 |         assert!(!7910u16.is_prime());
[INFO] [stdout]    |                          ^^^^^^^^ method not found in `u16`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/lib.rs:4:8
[INFO] [stdout]    |
[INFO] [stdout] 4  |     fn is_prime(&self) -> bool {
[INFO] [stdout]    |        -------- the method is available for `u16` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `IsPrime` which provides `is_prime` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 3  +     use primality::IsPrime;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_prime` found for type `u16` in the current scope
[INFO] [stdout]   --> tests/tests.rs:19:25
[INFO] [stdout]    |
[INFO] [stdout] 19 |         assert!(7919u16.is_prime());
[INFO] [stdout]    |                         ^^^^^^^^ method not found in `u16`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/lib.rs:4:8
[INFO] [stdout]    |
[INFO] [stdout] 4  |     fn is_prime(&self) -> bool {
[INFO] [stdout]    |        -------- the method is available for `u16` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `IsPrime` which provides `is_prime` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 3  +     use primality::IsPrime;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_prime` found for type `u32` in the current scope
[INFO] [stdout]   --> tests/tests.rs:22:23
[INFO] [stdout]    |
[INFO] [stdout] 22 |         assert!(!0u32.is_prime());
[INFO] [stdout]    |                       ^^^^^^^^ method not found in `u32`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/lib.rs:4:8
[INFO] [stdout]    |
[INFO] [stdout] 4  |     fn is_prime(&self) -> bool {
[INFO] [stdout]    |        -------- the method is available for `u32` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `IsPrime` which provides `is_prime` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 3  +     use primality::IsPrime;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_prime` found for type `u32` in the current scope
[INFO] [stdout]   --> tests/tests.rs:23:23
[INFO] [stdout]    |
[INFO] [stdout] 23 |         assert!(13u32.is_prime());
[INFO] [stdout]    |                       ^^^^^^^^ method not found in `u32`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/lib.rs:4:8
[INFO] [stdout]    |
[INFO] [stdout] 4  |     fn is_prime(&self) -> bool {
[INFO] [stdout]    |        -------- the method is available for `u32` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `IsPrime` which provides `is_prime` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 3  +     use primality::IsPrime;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_prime` found for type `u32` in the current scope
[INFO] [stdout]   --> tests/tests.rs:24:27
[INFO] [stdout]    |
[INFO] [stdout] 24 |         assert!(!26097u32.is_prime());
[INFO] [stdout]    |                           ^^^^^^^^ method not found in `u32`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/lib.rs:4:8
[INFO] [stdout]    |
[INFO] [stdout] 4  |     fn is_prime(&self) -> bool {
[INFO] [stdout]    |        -------- the method is available for `u32` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `IsPrime` which provides `is_prime` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 3  +     use primality::IsPrime;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_prime` found for type `u32` in the current scope
[INFO] [stdout]   --> tests/tests.rs:25:26
[INFO] [stdout]    |
[INFO] [stdout] 25 |         assert!(26099u32.is_prime());
[INFO] [stdout]    |                          ^^^^^^^^ method not found in `u32`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/lib.rs:4:8
[INFO] [stdout]    |
[INFO] [stdout] 4  |     fn is_prime(&self) -> bool {
[INFO] [stdout]    |        -------- the method is available for `u32` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `IsPrime` which provides `is_prime` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 3  +     use primality::IsPrime;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_prime` found for type `u64` in the current scope
[INFO] [stdout]   --> tests/tests.rs:28:23
[INFO] [stdout]    |
[INFO] [stdout] 28 |         assert!(!4u64.is_prime());
[INFO] [stdout]    |                       ^^^^^^^^ method not found in `u64`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/lib.rs:4:8
[INFO] [stdout]    |
[INFO] [stdout] 4  |     fn is_prime(&self) -> bool {
[INFO] [stdout]    |        -------- the method is available for `u64` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `IsPrime` which provides `is_prime` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 3  +     use primality::IsPrime;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_prime` found for type `u64` in the current scope
[INFO] [stdout]   --> tests/tests.rs:29:22
[INFO] [stdout]    |
[INFO] [stdout] 29 |         assert!(5u64.is_prime());
[INFO] [stdout]    |                      ^^^^^^^^ method not found in `u64`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/lib.rs:4:8
[INFO] [stdout]    |
[INFO] [stdout] 4  |     fn is_prime(&self) -> bool {
[INFO] [stdout]    |        -------- the method is available for `u64` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `IsPrime` which provides `is_prime` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 3  +     use primality::IsPrime;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_prime` found for type `u64` in the current scope
[INFO] [stdout]   --> tests/tests.rs:30:24
[INFO] [stdout]    |
[INFO] [stdout] 30 |         assert!(!46u64.is_prime());
[INFO] [stdout]    |                        ^^^^^^^^ method not found in `u64`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/lib.rs:4:8
[INFO] [stdout]    |
[INFO] [stdout] 4  |     fn is_prime(&self) -> bool {
[INFO] [stdout]    |        -------- the method is available for `u64` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `IsPrime` which provides `is_prime` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 3  +     use primality::IsPrime;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_prime` found for type `u64` in the current scope
[INFO] [stdout]   --> tests/tests.rs:31:23
[INFO] [stdout]    |
[INFO] [stdout] 31 |         assert!(47u64.is_prime());
[INFO] [stdout]    |                       ^^^^^^^^ method not found in `u64`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/lib.rs:4:8
[INFO] [stdout]    |
[INFO] [stdout] 4  |     fn is_prime(&self) -> bool {
[INFO] [stdout]    |        -------- the method is available for `u64` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `IsPrime` which provides `is_prime` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 3  +     use primality::IsPrime;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_prime` found for type `u64` in the current scope
[INFO] [stdout]   --> tests/tests.rs:32:32
[INFO] [stdout]    |
[INFO] [stdout] 32 |         assert!(!2256522565u64.is_prime());
[INFO] [stdout]    |                                ^^^^^^^^ method not found in `u64`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/lib.rs:4:8
[INFO] [stdout]    |
[INFO] [stdout] 4  |     fn is_prime(&self) -> bool {
[INFO] [stdout]    |        -------- the method is available for `u64` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `IsPrime` which provides `is_prime` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 3  +     use primality::IsPrime;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_prime` found for type `u64` in the current scope
[INFO] [stdout]   --> tests/tests.rs:33:31
[INFO] [stdout]    |
[INFO] [stdout] 33 |         assert!(2256522601u64.is_prime());
[INFO] [stdout]    |                               ^^^^^^^^ method not found in `u64`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/lib.rs:4:8
[INFO] [stdout]    |
[INFO] [stdout] 4  |     fn is_prime(&self) -> bool {
[INFO] [stdout]    |        -------- the method is available for `u64` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `IsPrime` which provides `is_prime` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 3  +     use primality::IsPrime;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_prime` found for type `u128` in the current scope
[INFO] [stdout]   --> tests/tests.rs:36:24
[INFO] [stdout]    |
[INFO] [stdout] 36 |         assert!(!0u128.is_prime());
[INFO] [stdout]    |                        ^^^^^^^^ method not found in `u128`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/lib.rs:4:8
[INFO] [stdout]    |
[INFO] [stdout] 4  |     fn is_prime(&self) -> bool {
[INFO] [stdout]    |        -------- the method is available for `u128` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `IsPrime` which provides `is_prime` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 3  +     use primality::IsPrime;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_prime` found for type `u128` in the current scope
[INFO] [stdout]   --> tests/tests.rs:37:23
[INFO] [stdout]    |
[INFO] [stdout] 37 |         assert!(7u128.is_prime());
[INFO] [stdout]    |                       ^^^^^^^^ method not found in `u128`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/lib.rs:4:8
[INFO] [stdout]    |
[INFO] [stdout] 4  |     fn is_prime(&self) -> bool {
[INFO] [stdout]    |        -------- the method is available for `u128` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `IsPrime` which provides `is_prime` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 3  +     use primality::IsPrime;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_prime` found for type `u128` in the current scope
[INFO] [stdout]   --> tests/tests.rs:38:33
[INFO] [stdout]    |
[INFO] [stdout] 38 |         assert!(!1999999999u128.is_prime());
[INFO] [stdout]    |                                 ^^^^^^^^ method not found in `u128`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/lib.rs:4:8
[INFO] [stdout]    |
[INFO] [stdout] 4  |     fn is_prime(&self) -> bool {
[INFO] [stdout]    |        -------- the method is available for `u128` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `IsPrime` which provides `is_prime` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 3  +     use primality::IsPrime;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_prime` found for type `u128` in the current scope
[INFO] [stdout]   --> tests/tests.rs:39:32
[INFO] [stdout]    |
[INFO] [stdout] 39 |         assert!(2000000011u128.is_prime());
[INFO] [stdout]    |                                ^^^^^^^^ method not found in `u128`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/lib.rs:4:8
[INFO] [stdout]    |
[INFO] [stdout] 4  |     fn is_prime(&self) -> bool {
[INFO] [stdout]    |        -------- the method is available for `u128` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `IsPrime` which provides `is_prime` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 3  +     use primality::IsPrime;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_prime` found for type `usize` in the current scope
[INFO] [stdout]   --> tests/tests.rs:42:25
[INFO] [stdout]    |
[INFO] [stdout] 42 |         assert!(!4usize.is_prime());
[INFO] [stdout]    |                         ^^^^^^^^ method not found in `usize`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/lib.rs:4:8
[INFO] [stdout]    |
[INFO] [stdout] 4  |     fn is_prime(&self) -> bool {
[INFO] [stdout]    |        -------- the method is available for `usize` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `IsPrime` which provides `is_prime` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 3  +     use primality::IsPrime;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_prime` found for type `usize` in the current scope
[INFO] [stdout]   --> tests/tests.rs:43:24
[INFO] [stdout]    |
[INFO] [stdout] 43 |         assert!(5usize.is_prime());
[INFO] [stdout]    |                        ^^^^^^^^ method not found in `usize`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/lib.rs:4:8
[INFO] [stdout]    |
[INFO] [stdout] 4  |     fn is_prime(&self) -> bool {
[INFO] [stdout]    |        -------- the method is available for `usize` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `IsPrime` which provides `is_prime` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 3  +     use primality::IsPrime;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_prime` found for type `usize` in the current scope
[INFO] [stdout]   --> tests/tests.rs:44:29
[INFO] [stdout]    |
[INFO] [stdout] 44 |         assert!(!99999usize.is_prime());
[INFO] [stdout]    |                             ^^^^^^^^ method not found in `usize`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/lib.rs:4:8
[INFO] [stdout]    |
[INFO] [stdout] 4  |     fn is_prime(&self) -> bool {
[INFO] [stdout]    |        -------- the method is available for `usize` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `IsPrime` which provides `is_prime` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 3  +     use primality::IsPrime;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_prime` found for type `usize` in the current scope
[INFO] [stdout]   --> tests/tests.rs:45:28
[INFO] [stdout]    |
[INFO] [stdout] 45 |         assert!(99991usize.is_prime());
[INFO] [stdout]    |                            ^^^^^^^^ method not found in `usize`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/lib.rs:4:8
[INFO] [stdout]    |
[INFO] [stdout] 4  |     fn is_prime(&self) -> bool {
[INFO] [stdout]    |        -------- the method is available for `usize` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `IsPrime` which provides `is_prime` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 3  +     use primality::IsPrime;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_prime` found for type `i8` in the current scope
[INFO] [stdout]   --> tests/tests.rs:52:25
[INFO] [stdout]    |
[INFO] [stdout] 52 |         assert!(!neg_i8.is_prime());
[INFO] [stdout]    |                         ^^^^^^^^ method not found in `i8`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/lib.rs:4:8
[INFO] [stdout]    |
[INFO] [stdout] 4  |     fn is_prime(&self) -> bool {
[INFO] [stdout]    |        -------- the method is available for `i8` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `IsPrime` which provides `is_prime` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 3  +     use primality::IsPrime;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_prime` found for type `i8` in the current scope
[INFO] [stdout]   --> tests/tests.rs:53:22
[INFO] [stdout]    |
[INFO] [stdout] 53 |         assert!(!0i8.is_prime());
[INFO] [stdout]    |                      ^^^^^^^^ method not found in `i8`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/lib.rs:4:8
[INFO] [stdout]    |
[INFO] [stdout] 4  |     fn is_prime(&self) -> bool {
[INFO] [stdout]    |        -------- the method is available for `i8` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `IsPrime` which provides `is_prime` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 3  +     use primality::IsPrime;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_prime` found for type `i8` in the current scope
[INFO] [stdout]   --> tests/tests.rs:54:22
[INFO] [stdout]    |
[INFO] [stdout] 54 |         assert!(!1i8.is_prime());
[INFO] [stdout]    |                      ^^^^^^^^ method not found in `i8`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/lib.rs:4:8
[INFO] [stdout]    |
[INFO] [stdout] 4  |     fn is_prime(&self) -> bool {
[INFO] [stdout]    |        -------- the method is available for `i8` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `IsPrime` which provides `is_prime` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 3  +     use primality::IsPrime;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_prime` found for type `i8` in the current scope
[INFO] [stdout]   --> tests/tests.rs:55:21
[INFO] [stdout]    |
[INFO] [stdout] 55 |         assert!(2i8.is_prime());
[INFO] [stdout]    |                     ^^^^^^^^ method not found in `i8`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/lib.rs:4:8
[INFO] [stdout]    |
[INFO] [stdout] 4  |     fn is_prime(&self) -> bool {
[INFO] [stdout]    |        -------- the method is available for `i8` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `IsPrime` which provides `is_prime` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 3  +     use primality::IsPrime;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_prime` found for type `i8` in the current scope
[INFO] [stdout]   --> tests/tests.rs:56:23
[INFO] [stdout]    |
[INFO] [stdout] 56 |         assert!(!35i8.is_prime());
[INFO] [stdout]    |                       ^^^^^^^^ method not found in `i8`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/lib.rs:4:8
[INFO] [stdout]    |
[INFO] [stdout] 4  |     fn is_prime(&self) -> bool {
[INFO] [stdout]    |        -------- the method is available for `i8` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `IsPrime` which provides `is_prime` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 3  +     use primality::IsPrime;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_prime` found for type `i8` in the current scope
[INFO] [stdout]   --> tests/tests.rs:57:23
[INFO] [stdout]    |
[INFO] [stdout] 57 |         assert!(!57i8.is_prime());
[INFO] [stdout]    |                       ^^^^^^^^ method not found in `i8`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/lib.rs:4:8
[INFO] [stdout]    |
[INFO] [stdout] 4  |     fn is_prime(&self) -> bool {
[INFO] [stdout]    |        -------- the method is available for `i8` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `IsPrime` which provides `is_prime` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 3  +     use primality::IsPrime;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_prime` found for type `i16` in the current scope
[INFO] [stdout]   --> tests/tests.rs:61:23
[INFO] [stdout]    |
[INFO] [stdout] 61 |         assert!(!0i16.is_prime());
[INFO] [stdout]    |                       ^^^^^^^^ method not found in `i16`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/lib.rs:4:8
[INFO] [stdout]    |
[INFO] [stdout] 4  |     fn is_prime(&self) -> bool {
[INFO] [stdout]    |        -------- the method is available for `i16` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `IsPrime` which provides `is_prime` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 3  +     use primality::IsPrime;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_prime` found for type `i16` in the current scope
[INFO] [stdout]   --> tests/tests.rs:62:23
[INFO] [stdout]    |
[INFO] [stdout] 62 |         assert!(!1i16.is_prime());
[INFO] [stdout]    |                       ^^^^^^^^ method not found in `i16`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/lib.rs:4:8
[INFO] [stdout]    |
[INFO] [stdout] 4  |     fn is_prime(&self) -> bool {
[INFO] [stdout]    |        -------- the method is available for `i16` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `IsPrime` which provides `is_prime` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 3  +     use primality::IsPrime;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_prime` found for type `i16` in the current scope
[INFO] [stdout]   --> tests/tests.rs:63:22
[INFO] [stdout]    |
[INFO] [stdout] 63 |         assert!(2i16.is_prime());
[INFO] [stdout]    |                      ^^^^^^^^ method not found in `i16`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/lib.rs:4:8
[INFO] [stdout]    |
[INFO] [stdout] 4  |     fn is_prime(&self) -> bool {
[INFO] [stdout]    |        -------- the method is available for `i16` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `IsPrime` which provides `is_prime` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 3  +     use primality::IsPrime;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_prime` found for type `i16` in the current scope
[INFO] [stdout]   --> tests/tests.rs:64:22
[INFO] [stdout]    |
[INFO] [stdout] 64 |         assert!(3i16.is_prime());
[INFO] [stdout]    |                      ^^^^^^^^ method not found in `i16`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/lib.rs:4:8
[INFO] [stdout]    |
[INFO] [stdout] 4  |     fn is_prime(&self) -> bool {
[INFO] [stdout]    |        -------- the method is available for `i16` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `IsPrime` which provides `is_prime` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 3  +     use primality::IsPrime;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_prime` found for type `i16` in the current scope
[INFO] [stdout]   --> tests/tests.rs:65:26
[INFO] [stdout]    |
[INFO] [stdout] 65 |         assert!(!neg_i16.is_prime());
[INFO] [stdout]    |                          ^^^^^^^^ method not found in `i16`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/lib.rs:4:8
[INFO] [stdout]    |
[INFO] [stdout] 4  |     fn is_prime(&self) -> bool {
[INFO] [stdout]    |        -------- the method is available for `i16` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `IsPrime` which provides `is_prime` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 3  +     use primality::IsPrime;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_prime` found for type `i16` in the current scope
[INFO] [stdout]   --> tests/tests.rs:66:26
[INFO] [stdout]    |
[INFO] [stdout] 66 |         assert!(!7910i16.is_prime());
[INFO] [stdout]    |                          ^^^^^^^^ method not found in `i16`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/lib.rs:4:8
[INFO] [stdout]    |
[INFO] [stdout] 4  |     fn is_prime(&self) -> bool {
[INFO] [stdout]    |        -------- the method is available for `i16` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `IsPrime` which provides `is_prime` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 3  +     use primality::IsPrime;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_prime` found for type `i16` in the current scope
[INFO] [stdout]   --> tests/tests.rs:67:25
[INFO] [stdout]    |
[INFO] [stdout] 67 |         assert!(7919i16.is_prime());
[INFO] [stdout]    |                         ^^^^^^^^ method not found in `i16`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/lib.rs:4:8
[INFO] [stdout]    |
[INFO] [stdout] 4  |     fn is_prime(&self) -> bool {
[INFO] [stdout]    |        -------- the method is available for `i16` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `IsPrime` which provides `is_prime` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 3  +     use primality::IsPrime;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_prime` found for type `i32` in the current scope
[INFO] [stdout]   --> tests/tests.rs:71:23
[INFO] [stdout]    |
[INFO] [stdout] 71 |         assert!(!0i32.is_prime());
[INFO] [stdout]    |                       ^^^^^^^^ method not found in `i32`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/lib.rs:4:8
[INFO] [stdout]    |
[INFO] [stdout] 4  |     fn is_prime(&self) -> bool {
[INFO] [stdout]    |        -------- the method is available for `i32` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `IsPrime` which provides `is_prime` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 3  +     use primality::IsPrime;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_prime` found for type `i32` in the current scope
[INFO] [stdout]   --> tests/tests.rs:72:23
[INFO] [stdout]    |
[INFO] [stdout] 72 |         assert!(13i32.is_prime());
[INFO] [stdout]    |                       ^^^^^^^^ method not found in `i32`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/lib.rs:4:8
[INFO] [stdout]    |
[INFO] [stdout] 4  |     fn is_prime(&self) -> bool {
[INFO] [stdout]    |        -------- the method is available for `i32` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `IsPrime` which provides `is_prime` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 3  +     use primality::IsPrime;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_prime` found for type `i32` in the current scope
[INFO] [stdout]   --> tests/tests.rs:73:26
[INFO] [stdout]    |
[INFO] [stdout] 73 |         assert!(!neg_i32.is_prime());
[INFO] [stdout]    |                          ^^^^^^^^ method not found in `i32`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/lib.rs:4:8
[INFO] [stdout]    |
[INFO] [stdout] 4  |     fn is_prime(&self) -> bool {
[INFO] [stdout]    |        -------- the method is available for `i32` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `IsPrime` which provides `is_prime` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 3  +     use primality::IsPrime;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_prime` found for type `i32` in the current scope
[INFO] [stdout]   --> tests/tests.rs:74:27
[INFO] [stdout]    |
[INFO] [stdout] 74 |         assert!(!26097i32.is_prime());
[INFO] [stdout]    |                           ^^^^^^^^ method not found in `i32`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/lib.rs:4:8
[INFO] [stdout]    |
[INFO] [stdout] 4  |     fn is_prime(&self) -> bool {
[INFO] [stdout]    |        -------- the method is available for `i32` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `IsPrime` which provides `is_prime` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 3  +     use primality::IsPrime;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_prime` found for type `i32` in the current scope
[INFO] [stdout]   --> tests/tests.rs:75:26
[INFO] [stdout]    |
[INFO] [stdout] 75 |         assert!(26099i32.is_prime());
[INFO] [stdout]    |                          ^^^^^^^^ method not found in `i32`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/lib.rs:4:8
[INFO] [stdout]    |
[INFO] [stdout] 4  |     fn is_prime(&self) -> bool {
[INFO] [stdout]    |        -------- the method is available for `i32` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `IsPrime` which provides `is_prime` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 3  +     use primality::IsPrime;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_prime` found for type `i64` in the current scope
[INFO] [stdout]   --> tests/tests.rs:79:23
[INFO] [stdout]    |
[INFO] [stdout] 79 |         assert!(!4i64.is_prime());
[INFO] [stdout]    |                       ^^^^^^^^ method not found in `i64`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/lib.rs:4:8
[INFO] [stdout]    |
[INFO] [stdout] 4  |     fn is_prime(&self) -> bool {
[INFO] [stdout]    |        -------- the method is available for `i64` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `IsPrime` which provides `is_prime` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 3  +     use primality::IsPrime;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_prime` found for type `i64` in the current scope
[INFO] [stdout]   --> tests/tests.rs:80:22
[INFO] [stdout]    |
[INFO] [stdout] 80 |         assert!(5i64.is_prime());
[INFO] [stdout]    |                      ^^^^^^^^ method not found in `i64`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/lib.rs:4:8
[INFO] [stdout]    |
[INFO] [stdout] 4  |     fn is_prime(&self) -> bool {
[INFO] [stdout]    |        -------- the method is available for `i64` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `IsPrime` which provides `is_prime` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 3  +     use primality::IsPrime;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_prime` found for type `i64` in the current scope
[INFO] [stdout]   --> tests/tests.rs:81:24
[INFO] [stdout]    |
[INFO] [stdout] 81 |         assert!(!46i64.is_prime());
[INFO] [stdout]    |                        ^^^^^^^^ method not found in `i64`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/lib.rs:4:8
[INFO] [stdout]    |
[INFO] [stdout] 4  |     fn is_prime(&self) -> bool {
[INFO] [stdout]    |        -------- the method is available for `i64` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `IsPrime` which provides `is_prime` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 3  +     use primality::IsPrime;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_prime` found for type `i64` in the current scope
[INFO] [stdout]   --> tests/tests.rs:82:23
[INFO] [stdout]    |
[INFO] [stdout] 82 |         assert!(47i64.is_prime());
[INFO] [stdout]    |                       ^^^^^^^^ method not found in `i64`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/lib.rs:4:8
[INFO] [stdout]    |
[INFO] [stdout] 4  |     fn is_prime(&self) -> bool {
[INFO] [stdout]    |        -------- the method is available for `i64` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `IsPrime` which provides `is_prime` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 3  +     use primality::IsPrime;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_prime` found for type `i64` in the current scope
[INFO] [stdout]   --> tests/tests.rs:83:26
[INFO] [stdout]    |
[INFO] [stdout] 83 |         assert!(!neg_i64.is_prime());
[INFO] [stdout]    |                          ^^^^^^^^ method not found in `i64`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/lib.rs:4:8
[INFO] [stdout]    |
[INFO] [stdout] 4  |     fn is_prime(&self) -> bool {
[INFO] [stdout]    |        -------- the method is available for `i64` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `IsPrime` which provides `is_prime` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 3  +     use primality::IsPrime;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_prime` found for type `i64` in the current scope
[INFO] [stdout]   --> tests/tests.rs:84:32
[INFO] [stdout]    |
[INFO] [stdout] 84 |         assert!(!2256522565i64.is_prime());
[INFO] [stdout]    |                                ^^^^^^^^ method not found in `i64`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/lib.rs:4:8
[INFO] [stdout]    |
[INFO] [stdout] 4  |     fn is_prime(&self) -> bool {
[INFO] [stdout]    |        -------- the method is available for `i64` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `IsPrime` which provides `is_prime` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 3  +     use primality::IsPrime;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_prime` found for type `i64` in the current scope
[INFO] [stdout]   --> tests/tests.rs:85:31
[INFO] [stdout]    |
[INFO] [stdout] 85 |         assert!(2256522601i64.is_prime());
[INFO] [stdout]    |                               ^^^^^^^^ method not found in `i64`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/lib.rs:4:8
[INFO] [stdout]    |
[INFO] [stdout] 4  |     fn is_prime(&self) -> bool {
[INFO] [stdout]    |        -------- the method is available for `i64` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `IsPrime` which provides `is_prime` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 3  +     use primality::IsPrime;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_prime` found for type `i128` in the current scope
[INFO] [stdout]   --> tests/tests.rs:89:24
[INFO] [stdout]    |
[INFO] [stdout] 89 |         assert!(!0i128.is_prime());
[INFO] [stdout]    |                        ^^^^^^^^ method not found in `i128`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/lib.rs:4:8
[INFO] [stdout]    |
[INFO] [stdout] 4  |     fn is_prime(&self) -> bool {
[INFO] [stdout]    |        -------- the method is available for `i128` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `IsPrime` which provides `is_prime` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 3  +     use primality::IsPrime;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_prime` found for type `i128` in the current scope
[INFO] [stdout]   --> tests/tests.rs:90:23
[INFO] [stdout]    |
[INFO] [stdout] 90 |         assert!(7i128.is_prime());
[INFO] [stdout]    |                       ^^^^^^^^ method not found in `i128`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/lib.rs:4:8
[INFO] [stdout]    |
[INFO] [stdout] 4  |     fn is_prime(&self) -> bool {
[INFO] [stdout]    |        -------- the method is available for `i128` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `IsPrime` which provides `is_prime` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 3  +     use primality::IsPrime;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_prime` found for type `i128` in the current scope
[INFO] [stdout]   --> tests/tests.rs:91:27
[INFO] [stdout]    |
[INFO] [stdout] 91 |         assert!(!neg_i128.is_prime());
[INFO] [stdout]    |                           ^^^^^^^^ method not found in `i128`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/lib.rs:4:8
[INFO] [stdout]    |
[INFO] [stdout] 4  |     fn is_prime(&self) -> bool {
[INFO] [stdout]    |        -------- the method is available for `i128` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `IsPrime` which provides `is_prime` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 3  +     use primality::IsPrime;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_prime` found for type `i128` in the current scope
[INFO] [stdout]   --> tests/tests.rs:92:33
[INFO] [stdout]    |
[INFO] [stdout] 92 |         assert!(!1999999999i128.is_prime());
[INFO] [stdout]    |                                 ^^^^^^^^ method not found in `i128`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/lib.rs:4:8
[INFO] [stdout]    |
[INFO] [stdout] 4  |     fn is_prime(&self) -> bool {
[INFO] [stdout]    |        -------- the method is available for `i128` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `IsPrime` which provides `is_prime` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 3  +     use primality::IsPrime;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_prime` found for type `i128` in the current scope
[INFO] [stdout]   --> tests/tests.rs:93:32
[INFO] [stdout]    |
[INFO] [stdout] 93 |         assert!(2000000011i128.is_prime());
[INFO] [stdout]    |                                ^^^^^^^^ method not found in `i128`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/lib.rs:4:8
[INFO] [stdout]    |
[INFO] [stdout] 4  |     fn is_prime(&self) -> bool {
[INFO] [stdout]    |        -------- the method is available for `i128` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `IsPrime` which provides `is_prime` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 3  +     use primality::IsPrime;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_prime` found for type `isize` in the current scope
[INFO] [stdout]   --> tests/tests.rs:97:25
[INFO] [stdout]    |
[INFO] [stdout] 97 |         assert!(!4isize.is_prime());
[INFO] [stdout]    |                         ^^^^^^^^ method not found in `isize`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/lib.rs:4:8
[INFO] [stdout]    |
[INFO] [stdout] 4  |     fn is_prime(&self) -> bool {
[INFO] [stdout]    |        -------- the method is available for `isize` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `IsPrime` which provides `is_prime` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 3  +     use primality::IsPrime;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_prime` found for type `isize` in the current scope
[INFO] [stdout]   --> tests/tests.rs:98:24
[INFO] [stdout]    |
[INFO] [stdout] 98 |         assert!(5isize.is_prime());
[INFO] [stdout]    |                        ^^^^^^^^ method not found in `isize`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/lib.rs:4:8
[INFO] [stdout]    |
[INFO] [stdout] 4  |     fn is_prime(&self) -> bool {
[INFO] [stdout]    |        -------- the method is available for `isize` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `IsPrime` which provides `is_prime` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 3  +     use primality::IsPrime;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_prime` found for type `isize` in the current scope
[INFO] [stdout]   --> tests/tests.rs:99:29
[INFO] [stdout]    |
[INFO] [stdout] 99 |         assert!(!99999isize.is_prime());
[INFO] [stdout]    |                             ^^^^^^^^ method not found in `isize`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/lib.rs:4:8
[INFO] [stdout]    |
[INFO] [stdout] 4  |     fn is_prime(&self) -> bool {
[INFO] [stdout]    |        -------- the method is available for `isize` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `IsPrime` which provides `is_prime` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 3  +     use primality::IsPrime;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_prime` found for type `isize` in the current scope
[INFO] [stdout]    --> tests/tests.rs:100:28
[INFO] [stdout]     |
[INFO] [stdout] 100 |         assert!(99991isize.is_prime());
[INFO] [stdout]     |                            ^^^^^^^^ method not found in `isize`
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/workdir/src/lib.rs:4:8
[INFO] [stdout]     |
[INFO] [stdout] 4   |     fn is_prime(&self) -> bool {
[INFO] [stdout]     |        -------- the method is available for `isize` here
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `IsPrime` which provides `is_prime` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 3   +     use primality::IsPrime;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_prime` found for type `isize` in the current scope
[INFO] [stdout]    --> tests/tests.rs:101:28
[INFO] [stdout]     |
[INFO] [stdout] 101 |         assert!(!neg_isize.is_prime());
[INFO] [stdout]     |                            ^^^^^^^^ method not found in `isize`
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/workdir/src/lib.rs:4:8
[INFO] [stdout]     |
[INFO] [stdout] 4   |     fn is_prime(&self) -> bool {
[INFO] [stdout]     |        -------- the method is available for `isize` here
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `IsPrime` which provides `is_prime` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 3   +     use primality::IsPrime;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `primality` (test "tests") due to 64 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "0ee041e434ac6955912c9a91ffe49880c38405a57a144f30c3697cda56c814ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ee041e434ac6955912c9a91ffe49880c38405a57a144f30c3697cda56c814ea", kill_on_drop: false }`
[INFO] [stdout] 0ee041e434ac6955912c9a91ffe49880c38405a57a144f30c3697cda56c814ea