[INFO] fetching crate asankov-rust-fundamentals 0.1.1...
[INFO] testing asankov-rust-fundamentals-0.1.1 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate asankov-rust-fundamentals 0.1.1 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate asankov-rust-fundamentals 0.1.1
[INFO] finished tweaking crates.io crate asankov-rust-fundamentals 0.1.1
[INFO] tweaked toml for crates.io crate asankov-rust-fundamentals 0.1.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate asankov-rust-fundamentals 0.1.1 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] crate crates.io crate asankov-rust-fundamentals 0.1.1 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 2009850e3d1e238d2ac0fc1cc6ad20297cde916884a101f34e432439a5c26a00
[INFO] running `Command { std: "docker" "start" "-a" "2009850e3d1e238d2ac0fc1cc6ad20297cde916884a101f34e432439a5c26a00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2009850e3d1e238d2ac0fc1cc6ad20297cde916884a101f34e432439a5c26a00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2009850e3d1e238d2ac0fc1cc6ad20297cde916884a101f34e432439a5c26a00", kill_on_drop: false }`
[INFO] [stdout] 2009850e3d1e238d2ac0fc1cc6ad20297cde916884a101f34e432439a5c26a00
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] c1615cb7bf5385bb13720168df8a60e457dd797a26e27662605488a631a178a4
[INFO] running `Command { std: "docker" "start" "-a" "c1615cb7bf5385bb13720168df8a60e457dd797a26e27662605488a631a178a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling asankov-rust-fundamentals v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Segment` is never constructed
[INFO] [stdout]   --> main.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | struct Segment {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `distance` are never used
[INFO] [stdout]   --> main.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl Segment {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 27 |     fn new(start: Waypoint, end: Waypoint) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |     fn distance(&self) -> f32 {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> main.rs:63:66
[INFO] [stdout]    |
[INFO] [stdout] 63 |                 previous_waypoint = Option::from(current_waypoint.clone());
[INFO] [stdout]    |                                                                  ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `Waypoint` does not implement `Clone`, so calling `clone` on `&Waypoint` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout] 63 -                 previous_waypoint = Option::from(current_waypoint.clone());
[INFO] [stdout] 63 +                 previous_waypoint = Option::from(current_waypoint);
[INFO] [stdout]    |
[INFO] [stdout] help: if you meant to clone `Waypoint`, implement `Clone` for it
[INFO] [stdout]    |
[INFO] [stdout] 5  + #[derive(Clone)]
[INFO] [stdout] 6  | struct Waypoint {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> main.rs:75:66
[INFO] [stdout]    |
[INFO] [stdout] 75 |                 previous_waypoint = Option::from(current_waypoint.clone());
[INFO] [stdout]    |                                                                  ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `Waypoint` does not implement `Clone`, so calling `clone` on `&Waypoint` copies the reference, which does not do anything and can be removed
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout] 75 -                 previous_waypoint = Option::from(current_waypoint.clone());
[INFO] [stdout] 75 +                 previous_waypoint = Option::from(current_waypoint);
[INFO] [stdout]    |
[INFO] [stdout] help: if you meant to clone `Waypoint`, implement `Clone` for it
[INFO] [stdout]    |
[INFO] [stdout] 5  + #[derive(Clone)]
[INFO] [stdout] 6  | struct Waypoint {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.09s
[INFO] running `Command { std: "docker" "inspect" "c1615cb7bf5385bb13720168df8a60e457dd797a26e27662605488a631a178a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1615cb7bf5385bb13720168df8a60e457dd797a26e27662605488a631a178a4", kill_on_drop: false }`
[INFO] [stdout] c1615cb7bf5385bb13720168df8a60e457dd797a26e27662605488a631a178a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] a49c1c7faab450ab42fd3a137d869370fcfe1cccc8efaf1a94ce83d39fe9f8fe
[INFO] running `Command { std: "docker" "start" "-a" "a49c1c7faab450ab42fd3a137d869370fcfe1cccc8efaf1a94ce83d39fe9f8fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling asankov-rust-fundamentals v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Segment` is never constructed
[INFO] [stdout]   --> main.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | struct Segment {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `distance` are never used
[INFO] [stdout]   --> main.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl Segment {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 27 |     fn new(start: Waypoint, end: Waypoint) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |     fn distance(&self) -> f32 {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> main.rs:63:66
[INFO] [stdout]    |
[INFO] [stdout] 63 |                 previous_waypoint = Option::from(current_waypoint.clone());
[INFO] [stdout]    |                                                                  ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `Waypoint` does not implement `Clone`, so calling `clone` on `&Waypoint` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout] 63 -                 previous_waypoint = Option::from(current_waypoint.clone());
[INFO] [stdout] 63 +                 previous_waypoint = Option::from(current_waypoint);
[INFO] [stdout]    |
[INFO] [stdout] help: if you meant to clone `Waypoint`, implement `Clone` for it
[INFO] [stdout]    |
[INFO] [stdout] 5  + #[derive(Clone)]
[INFO] [stdout] 6  | struct Waypoint {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> main.rs:75:66
[INFO] [stdout]    |
[INFO] [stdout] 75 |                 previous_waypoint = Option::from(current_waypoint.clone());
[INFO] [stdout]    |                                                                  ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `Waypoint` does not implement `Clone`, so calling `clone` on `&Waypoint` copies the reference, which does not do anything and can be removed
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout] 75 -                 previous_waypoint = Option::from(current_waypoint.clone());
[INFO] [stdout] 75 +                 previous_waypoint = Option::from(current_waypoint);
[INFO] [stdout]    |
[INFO] [stdout] help: if you meant to clone `Waypoint`, implement `Clone` for it
[INFO] [stdout]    |
[INFO] [stdout] 5  + #[derive(Clone)]
[INFO] [stdout] 6  | struct Waypoint {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "a49c1c7faab450ab42fd3a137d869370fcfe1cccc8efaf1a94ce83d39fe9f8fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a49c1c7faab450ab42fd3a137d869370fcfe1cccc8efaf1a94ce83d39fe9f8fe", kill_on_drop: false }`
[INFO] [stdout] a49c1c7faab450ab42fd3a137d869370fcfe1cccc8efaf1a94ce83d39fe9f8fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 6f27b906c1dc9a4e280534af67231d046f742b939ddb6784baa4990aee4af69a
[INFO] running `Command { std: "docker" "start" "-a" "6f27b906c1dc9a4e280534af67231d046f742b939ddb6784baa4990aee4af69a", kill_on_drop: false }`
[INFO] [stderr] warning: struct `Segment` is never constructed
[INFO] [stderr]   --> main.rs:21:8
[INFO] [stderr]    |
[INFO] [stderr] 21 | struct Segment {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new` and `distance` are never used
[INFO] [stderr]   --> main.rs:27:8
[INFO] [stderr]    |
[INFO] [stderr] 26 | impl Segment {
[INFO] [stderr]    | ------------ associated items in this implementation
[INFO] [stderr] 27 |     fn new(start: Waypoint, end: Waypoint) -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 31 |     fn distance(&self) -> f32 {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stderr]   --> main.rs:63:66
[INFO] [stderr]    |
[INFO] [stderr] 63 |                 previous_waypoint = Option::from(current_waypoint.clone());
[INFO] [stderr]    |                                                                  ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: the type `Waypoint` does not implement `Clone`, so calling `clone` on `&Waypoint` copies the reference, which does not do anything and can be removed
[INFO] [stderr]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stderr] help: remove this redundant call
[INFO] [stderr]    |
[INFO] [stderr] 63 -                 previous_waypoint = Option::from(current_waypoint.clone());
[INFO] [stderr] 63 +                 previous_waypoint = Option::from(current_waypoint);
[INFO] [stderr]    |
[INFO] [stderr] help: if you meant to clone `Waypoint`, implement `Clone` for it
[INFO] [stderr]    |
[INFO] [stderr] 5  + #[derive(Clone)]
[INFO] [stderr] 6  | struct Waypoint {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stderr]   --> main.rs:75:66
[INFO] [stderr]    |
[INFO] [stderr] 75 |                 previous_waypoint = Option::from(current_waypoint.clone());
[INFO] [stderr]    |                                                                  ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: the type `Waypoint` does not implement `Clone`, so calling `clone` on `&Waypoint` copies the reference, which does not do anything and can be removed
[INFO] [stderr] help: remove this redundant call
[INFO] [stderr]    |
[INFO] [stderr] 75 -                 previous_waypoint = Option::from(current_waypoint.clone());
[INFO] [stderr] 75 +                 previous_waypoint = Option::from(current_waypoint);
[INFO] [stderr]    |
[INFO] [stderr] help: if you meant to clone `Waypoint`, implement `Clone` for it
[INFO] [stderr]    |
[INFO] [stderr] 5  + #[derive(Clone)]
[INFO] [stderr] 6  | struct Waypoint {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `asankov-rust-fundamentals` (bin "rust-fundamentals" test) generated 4 warnings (run `cargo fix --bin "rust-fundamentals" --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/rust_fundamentals-08986d5075e33765)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6f27b906c1dc9a4e280534af67231d046f742b939ddb6784baa4990aee4af69a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f27b906c1dc9a4e280534af67231d046f742b939ddb6784baa4990aee4af69a", kill_on_drop: false }`
[INFO] [stdout] 6f27b906c1dc9a4e280534af67231d046f742b939ddb6784baa4990aee4af69a