[INFO] cloning repository https://github.com/ManuelFBS/hashmap-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ManuelFBS/hashmap-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FManuelFBS%2Fhashmap-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FManuelFBS%2Fhashmap-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d158c9bf4c18b20c718b15cf5d3e738da9d8450d
[INFO] checking ManuelFBS/hashmap-rust against try#9228062c11d321a3ea08123f57e47533a3c88b00 for pr-154781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FManuelFBS%2Fhashmap-rust" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ManuelFBS/hashmap-rust
[INFO] finished tweaking git repo https://github.com/ManuelFBS/hashmap-rust
[INFO] tweaked toml for git repo https://github.com/ManuelFBS/hashmap-rust written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ManuelFBS/hashmap-rust on toolchain 9228062c11d321a3ea08123f57e47533a3c88b00
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9228062c11d321a3ea08123f57e47533a3c88b00" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ManuelFBS/hashmap-rust 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" "+9228062c11d321a3ea08123f57e47533a3c88b00" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+9228062c11d321a3ea08123f57e47533a3c88b00" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f1eca1b769c6bf578d6ab2a6c4dc186a9c3154df3bba1b00f4f889654838191b
[INFO] running `Command { std: "docker" "start" "-a" "f1eca1b769c6bf578d6ab2a6c4dc186a9c3154df3bba1b00f4f889654838191b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1eca1b769c6bf578d6ab2a6c4dc186a9c3154df3bba1b00f4f889654838191b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1eca1b769c6bf578d6ab2a6c4dc186a9c3154df3bba1b00f4f889654838191b", kill_on_drop: false }`
[INFO] [stdout] f1eca1b769c6bf578d6ab2a6c4dc186a9c3154df3bba1b00f4f889654838191b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+9228062c11d321a3ea08123f57e47533a3c88b00" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c8dbb182f1ec031ec8e755f43e824c4d7f856270543a89702c0e67ff6bb1e96
[INFO] running `Command { std: "docker" "start" "-a" "6c8dbb182f1ec031ec8e755f43e824c4d7f856270543a89702c0e67ff6bb1e96", kill_on_drop: false }`
[INFO] [stderr]     Checking hashmap-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: useless assignment of variable of type `Transmission` to itself
[INFO] [stdout]   --> src/exercise03.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |         motor = motor;
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of variable of type `Transmission` to itself
[INFO] [stdout]   --> src/exercise03.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |         motor = motor;
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "6c8dbb182f1ec031ec8e755f43e824c4d7f856270543a89702c0e67ff6bb1e96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c8dbb182f1ec031ec8e755f43e824c4d7f856270543a89702c0e67ff6bb1e96", kill_on_drop: false }`
[INFO] [stdout] 6c8dbb182f1ec031ec8e755f43e824c4d7f856270543a89702c0e67ff6bb1e96