[INFO] cloning repository https://github.com/Trolley33/rust-hashmap
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Trolley33/rust-hashmap" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTrolley33%2Frust-hashmap", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTrolley33%2Frust-hashmap'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7686705dffaf6fbd6f86e29f5422996f8b31d2d0
[INFO] checking Trolley33/rust-hashmap against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTrolley33%2Frust-hashmap" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Trolley33/rust-hashmap on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Trolley33/rust-hashmap
[INFO] finished tweaking git repo https://github.com/Trolley33/rust-hashmap
[INFO] tweaked toml for git repo https://github.com/Trolley33/rust-hashmap written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/Trolley33/rust-hashmap already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eff92ac2be97ba72a7c3ffd911c5974bc9942c00c4074b5a6a2bd5caa8ecbd1e
[INFO] running `Command { std: "docker" "start" "-a" "eff92ac2be97ba72a7c3ffd911c5974bc9942c00c4074b5a6a2bd5caa8ecbd1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eff92ac2be97ba72a7c3ffd911c5974bc9942c00c4074b5a6a2bd5caa8ecbd1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eff92ac2be97ba72a7c3ffd911c5974bc9942c00c4074b5a6a2bd5caa8ecbd1e", kill_on_drop: false }`
[INFO] [stdout] eff92ac2be97ba72a7c3ffd911c5974bc9942c00c4074b5a6a2bd5caa8ecbd1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 986797eb5b15a9126ba1563a57b96750d0abcb7d6bce8c4eaa8d501f1a70a5d1
[INFO] running `Command { std: "docker" "start" "-a" "986797eb5b15a9126ba1563a57b96750d0abcb7d6bce8c4eaa8d501f1a70a5d1", kill_on_drop: false }`
[INFO] [stderr]     Checking hashmap-simple v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `remove`
[INFO] [stdout]   --> src/lib.rs:67:12
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub fn remove(&mut self, key: &K) -> Option<V> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "986797eb5b15a9126ba1563a57b96750d0abcb7d6bce8c4eaa8d501f1a70a5d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "986797eb5b15a9126ba1563a57b96750d0abcb7d6bce8c4eaa8d501f1a70a5d1", kill_on_drop: false }`
[INFO] [stdout] 986797eb5b15a9126ba1563a57b96750d0abcb7d6bce8c4eaa8d501f1a70a5d1