[INFO] cloning repository https://github.com/jpmc/rust-dijkstra-prime-finding
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jpmc/rust-dijkstra-prime-finding" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjpmc%2Frust-dijkstra-prime-finding", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjpmc%2Frust-dijkstra-prime-finding'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b45d0c18b458951e637475aac2a0014e00f2eb31
[INFO] checking jpmc/rust-dijkstra-prime-finding against try#f70ee28831acc074c109afab32d287057c3eca46 for pr-149389
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjpmc%2Frust-dijkstra-prime-finding" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jpmc/rust-dijkstra-prime-finding
[INFO] finished tweaking git repo https://github.com/jpmc/rust-dijkstra-prime-finding
[INFO] tweaked toml for git repo https://github.com/jpmc/rust-dijkstra-prime-finding written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jpmc/rust-dijkstra-prime-finding on toolchain f70ee28831acc074c109afab32d287057c3eca46
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f70ee28831acc074c109afab32d287057c3eca46" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jpmc/rust-dijkstra-prime-finding already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f70ee28831acc074c109afab32d287057c3eca46" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+f70ee28831acc074c109afab32d287057c3eca46" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e175ab6c44e7efa9cca5d55d38f80b439b4438276c18c52a3520e0dd28edf67
[INFO] running `Command { std: "docker" "start" "-a" "2e175ab6c44e7efa9cca5d55d38f80b439b4438276c18c52a3520e0dd28edf67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e175ab6c44e7efa9cca5d55d38f80b439b4438276c18c52a3520e0dd28edf67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e175ab6c44e7efa9cca5d55d38f80b439b4438276c18c52a3520e0dd28edf67", kill_on_drop: false }`
[INFO] [stdout] 2e175ab6c44e7efa9cca5d55d38f80b439b4438276c18c52a3520e0dd28edf67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+f70ee28831acc074c109afab32d287057c3eca46" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4743f6269a5a6b7b50aa3fde4376ed5c27253c2f43cccfa27862923a6b5762b3
[INFO] running `Command { std: "docker" "start" "-a" "4743f6269a5a6b7b50aa3fde4376ed5c27253c2f43cccfa27862923a6b5762b3", kill_on_drop: false }`
[INFO] [stderr]     Checking rust-djikstra-primes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/impls/dijkstra_attempt_3.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  7 |     return;
[INFO] [stdout]    |     ------ any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 10 |     let upto: u64;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/impls/dijkstra_attempt_3.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  7 |     return;
[INFO] [stdout]    |     ------ any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 10 |     let upto: u64;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: a value of type `Vec<String>` cannot be built from an iterator over elements of type `OsString`
[INFO] [stdout]   --> src/impls/dijkstra_attempt_3.rs:11:44
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let args: Vec<String> = env::args_os().collect();
[INFO] [stdout]    |                                            ^^^^^^^ value of type `Vec<String>` cannot be built from `std::iter::Iterator<Item=OsString>`
[INFO] [stdout]    |
[INFO] [stdout] help: the trait `FromIterator<OsString>` is not implemented for `Vec<String>`
[INFO] [stdout]       but trait `FromIterator<String>` is implemented for it
[INFO] [stdout]   --> /rustc/f70ee28831acc074c109afab32d287057c3eca46/library/alloc/src/vec/mod.rs:3716:0
[INFO] [stdout]    = help: for that trait implementation, expected `String`, found `OsString`
[INFO] [stdout] note: required by a bound in `collect`
[INFO] [stdout]   --> /rustc/f70ee28831acc074c109afab32d287057c3eca46/library/core/src/iter/traits/iterator.rs:2015:4
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: a value of type `Vec<String>` cannot be built from an iterator over elements of type `OsString`
[INFO] [stdout]  --> src/impls/dijkstra_attempt_2.rs:7:44
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let args: Vec<String> = env::args_os().collect();
[INFO] [stdout]   |                                            ^^^^^^^ value of type `Vec<String>` cannot be built from `std::iter::Iterator<Item=OsString>`
[INFO] [stdout]   |
[INFO] [stdout] help: the trait `FromIterator<OsString>` is not implemented for `Vec<String>`
[INFO] [stdout]       but trait `FromIterator<String>` is implemented for it
[INFO] [stdout]  --> /rustc/f70ee28831acc074c109afab32d287057c3eca46/library/alloc/src/vec/mod.rs:3716:0
[INFO] [stdout]   = help: for that trait implementation, expected `String`, found `OsString`
[INFO] [stdout] note: required by a bound in `collect`
[INFO] [stdout]  --> /rustc/f70ee28831acc074c109afab32d287057c3eca46/library/core/src/iter/traits/iterator.rs:2015:4
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: a value of type `Vec<String>` cannot be built from an iterator over elements of type `OsString`
[INFO] [stdout]  --> src/impls/dijkstra_naive.rs:9:44
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let args: Vec<String> = env::args_os().collect();
[INFO] [stdout]   |                                            ^^^^^^^ value of type `Vec<String>` cannot be built from `std::iter::Iterator<Item=OsString>`
[INFO] [stdout]   |
[INFO] [stdout] help: the trait `FromIterator<OsString>` is not implemented for `Vec<String>`
[INFO] [stdout]       but trait `FromIterator<String>` is implemented for it
[INFO] [stdout]  --> /rustc/f70ee28831acc074c109afab32d287057c3eca46/library/alloc/src/vec/mod.rs:3716:0
[INFO] [stdout]   = help: for that trait implementation, expected `String`, found `OsString`
[INFO] [stdout] note: required by a bound in `collect`
[INFO] [stdout]  --> /rustc/f70ee28831acc074c109afab32d287057c3eca46/library/core/src/iter/traits/iterator.rs:2015:4
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: a value of type `Vec<String>` cannot be built from an iterator over elements of type `OsString`
[INFO] [stdout]  --> src/impls/dijkstra_naive.rs:9:44
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let args: Vec<String> = env::args_os().collect();
[INFO] [stdout]   |                                            ^^^^^^^ value of type `Vec<String>` cannot be built from `std::iter::Iterator<Item=OsString>`
[INFO] [stdout]   |
[INFO] [stdout] help: the trait `FromIterator<OsString>` is not implemented for `Vec<String>`
[INFO] [stdout]       but trait `FromIterator<String>` is implemented for it
[INFO] [stdout]  --> /rustc/f70ee28831acc074c109afab32d287057c3eca46/library/alloc/src/vec/mod.rs:3716:0
[INFO] [stdout]   = help: for that trait implementation, expected `String`, found `OsString`
[INFO] [stdout] note: required by a bound in `collect`
[INFO] [stdout]  --> /rustc/f70ee28831acc074c109afab32d287057c3eca46/library/core/src/iter/traits/iterator.rs:2015:4
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: a value of type `Vec<String>` cannot be built from an iterator over elements of type `OsString`
[INFO] [stdout]  --> src/impls/dijkstra_attempt_2.rs:7:44
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let args: Vec<String> = env::args_os().collect();
[INFO] [stdout]   |                                            ^^^^^^^ value of type `Vec<String>` cannot be built from `std::iter::Iterator<Item=OsString>`
[INFO] [stdout]   |
[INFO] [stdout] help: the trait `FromIterator<OsString>` is not implemented for `Vec<String>`
[INFO] [stdout]       but trait `FromIterator<String>` is implemented for it
[INFO] [stdout]  --> /rustc/f70ee28831acc074c109afab32d287057c3eca46/library/alloc/src/vec/mod.rs:3716:0
[INFO] [stdout]   = help: for that trait implementation, expected `String`, found `OsString`
[INFO] [stdout] note: required by a bound in `collect`
[INFO] [stdout]  --> /rustc/f70ee28831acc074c109afab32d287057c3eca46/library/core/src/iter/traits/iterator.rs:2015:4
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: a value of type `Vec<String>` cannot be built from an iterator over elements of type `OsString`
[INFO] [stdout]  --> src/impls/dijkstra_attempt_1.rs:7:44
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let args: Vec<String> = env::args_os().collect();
[INFO] [stdout]   |                                            ^^^^^^^ value of type `Vec<String>` cannot be built from `std::iter::Iterator<Item=OsString>`
[INFO] [stdout]   |
[INFO] [stdout] help: the trait `FromIterator<OsString>` is not implemented for `Vec<String>`
[INFO] [stdout]       but trait `FromIterator<String>` is implemented for it
[INFO] [stdout]  --> /rustc/f70ee28831acc074c109afab32d287057c3eca46/library/alloc/src/vec/mod.rs:3716:0
[INFO] [stdout]   = help: for that trait implementation, expected `String`, found `OsString`
[INFO] [stdout] note: required by a bound in `collect`
[INFO] [stdout]  --> /rustc/f70ee28831acc074c109afab32d287057c3eca46/library/core/src/iter/traits/iterator.rs:2015:4
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: a value of type `Vec<String>` cannot be built from an iterator over elements of type `OsString`
[INFO] [stdout]   --> src/impls/dijkstra_attempt_3.rs:11:44
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let args: Vec<String> = env::args_os().collect();
[INFO] [stdout]    |                                            ^^^^^^^ value of type `Vec<String>` cannot be built from `std::iter::Iterator<Item=OsString>`
[INFO] [stdout]    |
[INFO] [stdout] help: the trait `FromIterator<OsString>` is not implemented for `Vec<String>`
[INFO] [stdout]       but trait `FromIterator<String>` is implemented for it
[INFO] [stdout]   --> /rustc/f70ee28831acc074c109afab32d287057c3eca46/library/alloc/src/vec/mod.rs:3716:0
[INFO] [stdout]    = help: for that trait implementation, expected `String`, found `OsString`
[INFO] [stdout] note: required by a bound in `collect`
[INFO] [stdout]   --> /rustc/f70ee28831acc074c109afab32d287057c3eca46/library/core/src/iter/traits/iterator.rs:2015:4
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: a value of type `Vec<String>` cannot be built from an iterator over elements of type `OsString`
[INFO] [stdout]  --> src/impls/dijkstra_attempt_1.rs:7:44
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let args: Vec<String> = env::args_os().collect();
[INFO] [stdout]   |                                            ^^^^^^^ value of type `Vec<String>` cannot be built from `std::iter::Iterator<Item=OsString>`
[INFO] [stdout]   |
[INFO] [stdout] help: the trait `FromIterator<OsString>` is not implemented for `Vec<String>`
[INFO] [stdout]       but trait `FromIterator<String>` is implemented for it
[INFO] [stdout]  --> /rustc/f70ee28831acc074c109afab32d287057c3eca46/library/alloc/src/vec/mod.rs:3716:0
[INFO] [stdout]   = help: for that trait implementation, expected `String`, found `OsString`
[INFO] [stdout] note: required by a bound in `collect`
[INFO] [stdout]  --> /rustc/f70ee28831acc074c109afab32d287057c3eca46/library/core/src/iter/traits/iterator.rs:2015:4
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: a value of type `Vec<String>` cannot be built from an iterator over elements of type `OsString`
[INFO] [stdout]  --> src/impls/dijkstra_naive.rs:9:44
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let args: Vec<String> = env::args_os().collect();
[INFO] [stdout]   |                                            ^^^^^^^ value of type `Vec<String>` cannot be built from `std::iter::Iterator<Item=OsString>`
[INFO] [stdout]   |
[INFO] [stdout] help: the trait `FromIterator<OsString>` is not implemented for `Vec<String>`
[INFO] [stdout]       but trait `FromIterator<String>` is implemented for it
[INFO] [stdout]  --> /rustc/f70ee28831acc074c109afab32d287057c3eca46/library/alloc/src/vec/mod.rs:3716:0
[INFO] [stdout]   = help: for that trait implementation, expected `String`, found `OsString`
[INFO] [stdout] note: required by a bound in `collect`
[INFO] [stdout]  --> /rustc/f70ee28831acc074c109afab32d287057c3eca46/library/core/src/iter/traits/iterator.rs:2015:4
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: a value of type `Vec<String>` cannot be built from an iterator over elements of type `OsString`
[INFO] [stdout]  --> src/impls/dijkstra_naive.rs:9:44
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let args: Vec<String> = env::args_os().collect();
[INFO] [stdout]   |                                            ^^^^^^^ value of type `Vec<String>` cannot be built from `std::iter::Iterator<Item=OsString>`
[INFO] [stdout]   |
[INFO] [stdout] help: the trait `FromIterator<OsString>` is not implemented for `Vec<String>`
[INFO] [stdout]       but trait `FromIterator<String>` is implemented for it
[INFO] [stdout]  --> /rustc/f70ee28831acc074c109afab32d287057c3eca46/library/alloc/src/vec/mod.rs:3716:0
[INFO] [stdout]   = help: for that trait implementation, expected `String`, found `OsString`
[INFO] [stdout] note: required by a bound in `collect`
[INFO] [stdout]  --> /rustc/f70ee28831acc074c109afab32d287057c3eca46/library/core/src/iter/traits/iterator.rs:2015:4
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: a value of type `Vec<String>` cannot be built from an iterator over elements of type `OsString`
[INFO] [stdout]  --> src/impls/dijkstra_attempt_1.rs:7:44
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let args: Vec<String> = env::args_os().collect();
[INFO] [stdout]   |                                            ^^^^^^^ value of type `Vec<String>` cannot be built from `std::iter::Iterator<Item=OsString>`
[INFO] [stdout]   |
[INFO] [stdout] help: the trait `FromIterator<OsString>` is not implemented for `Vec<String>`
[INFO] [stdout]       but trait `FromIterator<String>` is implemented for it
[INFO] [stdout]  --> /rustc/f70ee28831acc074c109afab32d287057c3eca46/library/alloc/src/vec/mod.rs:3716:0
[INFO] [stdout]   = help: for that trait implementation, expected `String`, found `OsString`
[INFO] [stdout] note: required by a bound in `collect`
[INFO] [stdout]  --> /rustc/f70ee28831acc074c109afab32d287057c3eca46/library/core/src/iter/traits/iterator.rs:2015:4
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: a value of type `Vec<String>` cannot be built from an iterator over elements of type `OsString`
[INFO] [stdout]  --> src/impls/dijkstra_attempt_2.rs:7:44
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let args: Vec<String> = env::args_os().collect();
[INFO] [stdout]   |                                            ^^^^^^^ value of type `Vec<String>` cannot be built from `std::iter::Iterator<Item=OsString>`
[INFO] [stdout]   |
[INFO] [stdout] help: the trait `FromIterator<OsString>` is not implemented for `Vec<String>`
[INFO] [stdout]       but trait `FromIterator<String>` is implemented for it
[INFO] [stdout]  --> /rustc/f70ee28831acc074c109afab32d287057c3eca46/library/alloc/src/vec/mod.rs:3716:0
[INFO] [stdout]   = help: for that trait implementation, expected `String`, found `OsString`
[INFO] [stdout] note: required by a bound in `collect`
[INFO] [stdout]  --> /rustc/f70ee28831acc074c109afab32d287057c3eca46/library/core/src/iter/traits/iterator.rs:2015:4
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/impls/dijkstra_attempt_3.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  7 |     return;
[INFO] [stdout]    |     ------ any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 10 |     let upto: u64;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-djikstra-primes` (bin "d_naive") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `rust-djikstra-primes` (bin "d_a1" test) due to 1 previous error
[INFO] [stdout] error[E0277]: a value of type `Vec<String>` cannot be built from an iterator over elements of type `OsString`
[INFO] [stdout]   --> src/impls/dijkstra_attempt_3.rs:11:44
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let args: Vec<String> = env::args_os().collect();
[INFO] [stdout]    |                                            ^^^^^^^ value of type `Vec<String>` cannot be built from `std::iter::Iterator<Item=OsString>`
[INFO] [stdout]    |
[INFO] [stdout] help: the trait `FromIterator<OsString>` is not implemented for `Vec<String>`
[INFO] [stdout]       but trait `FromIterator<String>` is implemented for it
[INFO] [stdout]   --> /rustc/f70ee28831acc074c109afab32d287057c3eca46/library/alloc/src/vec/mod.rs:3716:0
[INFO] [stdout]    = help: for that trait implementation, expected `String`, found `OsString`
[INFO] [stdout] note: required by a bound in `collect`
[INFO] [stdout]   --> /rustc/f70ee28831acc074c109afab32d287057c3eca46/library/core/src/iter/traits/iterator.rs:2015:4
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: a value of type `Vec<String>` cannot be built from an iterator over elements of type `OsString`
[INFO] [stdout]  --> src/impls/dijkstra_attempt_1.rs:7:44
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let args: Vec<String> = env::args_os().collect();
[INFO] [stdout]   |                                            ^^^^^^^ value of type `Vec<String>` cannot be built from `std::iter::Iterator<Item=OsString>`
[INFO] [stdout]   |
[INFO] [stdout] help: the trait `FromIterator<OsString>` is not implemented for `Vec<String>`
[INFO] [stdout]       but trait `FromIterator<String>` is implemented for it
[INFO] [stdout]  --> /rustc/f70ee28831acc074c109afab32d287057c3eca46/library/alloc/src/vec/mod.rs:3716:0
[INFO] [stdout]   = help: for that trait implementation, expected `String`, found `OsString`
[INFO] [stdout] note: required by a bound in `collect`
[INFO] [stdout]  --> /rustc/f70ee28831acc074c109afab32d287057c3eca46/library/core/src/iter/traits/iterator.rs:2015:4
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-djikstra-primes` (bin "d_a3") due to 1 previous error; 1 warning emitted
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-djikstra-primes` (bin "d_a3" test) due to 1 previous error; 1 warning emitted
[INFO] [stdout] error[E0277]: a value of type `Vec<String>` cannot be built from an iterator over elements of type `OsString`
[INFO] [stdout]  --> src/impls/dijkstra_attempt_2.rs:7:44
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let args: Vec<String> = env::args_os().collect();
[INFO] [stdout]   |                                            ^^^^^^^ value of type `Vec<String>` cannot be built from `std::iter::Iterator<Item=OsString>`
[INFO] [stdout]   |
[INFO] [stdout] help: the trait `FromIterator<OsString>` is not implemented for `Vec<String>`
[INFO] [stdout]       but trait `FromIterator<String>` is implemented for it
[INFO] [stdout]  --> /rustc/f70ee28831acc074c109afab32d287057c3eca46/library/alloc/src/vec/mod.rs:3716:0
[INFO] [stdout]   = help: for that trait implementation, expected `String`, found `OsString`
[INFO] [stdout] note: required by a bound in `collect`
[INFO] [stdout]  --> /rustc/f70ee28831acc074c109afab32d287057c3eca46/library/core/src/iter/traits/iterator.rs:2015:4
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-djikstra-primes` (bin "d_a2" test) due to 1 previous error
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/impls/dijkstra_attempt_3.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  7 |     return;
[INFO] [stdout]    |     ------ any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 10 |     let upto: u64;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: a value of type `Vec<String>` cannot be built from an iterator over elements of type `OsString`
[INFO] [stdout]   --> src/impls/dijkstra_attempt_3.rs:11:44
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let args: Vec<String> = env::args_os().collect();
[INFO] [stdout]    |                                            ^^^^^^^ value of type `Vec<String>` cannot be built from `std::iter::Iterator<Item=OsString>`
[INFO] [stdout]    |
[INFO] [stdout] help: the trait `FromIterator<OsString>` is not implemented for `Vec<String>`
[INFO] [stdout]       but trait `FromIterator<String>` is implemented for it
[INFO] [stdout]   --> /rustc/f70ee28831acc074c109afab32d287057c3eca46/library/alloc/src/vec/mod.rs:3716:0
[INFO] [stdout]    = help: for that trait implementation, expected `String`, found `OsString`
[INFO] [stdout] note: required by a bound in `collect`
[INFO] [stdout]   --> /rustc/f70ee28831acc074c109afab32d287057c3eca46/library/core/src/iter/traits/iterator.rs:2015:4
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-djikstra-primes` (bin "d_naive" test) due to 1 previous error
[INFO] [stderr] error: could not compile `rust-djikstra-primes` (bin "d_a1") due to 1 previous error
[INFO] [stderr] error: could not compile `rust-djikstra-primes` (bin "d_a2") due to 1 previous error
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-djikstra-primes` (bin "rust-djikstra-primes") due to 4 previous errors; 1 warning emitted
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-djikstra-primes` (bin "rust-djikstra-primes" test) due to 4 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "4743f6269a5a6b7b50aa3fde4376ed5c27253c2f43cccfa27862923a6b5762b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4743f6269a5a6b7b50aa3fde4376ed5c27253c2f43cccfa27862923a6b5762b3", kill_on_drop: false }`
[INFO] [stdout] 4743f6269a5a6b7b50aa3fde4376ed5c27253c2f43cccfa27862923a6b5762b3
