[INFO] cloning repository https://github.com/asankov/rust-fundamentals
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/asankov/rust-fundamentals" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasankov%2Frust-fundamentals", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasankov%2Frust-fundamentals'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d12850d1b411a08b4c5799182e09e0befe6d049b
[INFO] checking asankov/rust-fundamentals against master#e43d139a82620a268d3828a73e12a8679339e8f8 for pr-143545
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasankov%2Frust-fundamentals" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/asankov/rust-fundamentals
[INFO] finished tweaking git repo https://github.com/asankov/rust-fundamentals
[INFO] tweaked toml for git repo https://github.com/asankov/rust-fundamentals written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/asankov/rust-fundamentals on toolchain e43d139a82620a268d3828a73e12a8679339e8f8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e43d139a82620a268d3828a73e12a8679339e8f8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/asankov/rust-fundamentals 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" "+e43d139a82620a268d3828a73e12a8679339e8f8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+e43d139a82620a268d3828a73e12a8679339e8f8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d55813f7f609c3f1cfbfa45c02cf49144095b6d2fc3d8d119c749e5d0305fcde
[INFO] running `Command { std: "docker" "start" "-a" "d55813f7f609c3f1cfbfa45c02cf49144095b6d2fc3d8d119c749e5d0305fcde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d55813f7f609c3f1cfbfa45c02cf49144095b6d2fc3d8d119c749e5d0305fcde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d55813f7f609c3f1cfbfa45c02cf49144095b6d2fc3d8d119c749e5d0305fcde", kill_on_drop: false }`
[INFO] [stdout] d55813f7f609c3f1cfbfa45c02cf49144095b6d2fc3d8d119c749e5d0305fcde
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+e43d139a82620a268d3828a73e12a8679339e8f8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0c5a9ca19e68536c4046043d1ffe711a6bb416662a2d07eb4960dc44ad06870
[INFO] running `Command { std: "docker" "start" "-a" "c0c5a9ca19e68536c4046043d1ffe711a6bb416662a2d07eb4960dc44ad06870", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking 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] [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 2.78s
[INFO] running `Command { std: "docker" "inspect" "c0c5a9ca19e68536c4046043d1ffe711a6bb416662a2d07eb4960dc44ad06870", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0c5a9ca19e68536c4046043d1ffe711a6bb416662a2d07eb4960dc44ad06870", kill_on_drop: false }`
[INFO] [stdout] c0c5a9ca19e68536c4046043d1ffe711a6bb416662a2d07eb4960dc44ad06870