[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 try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTrolley33%2Frust-hashmap" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Trolley33/rust-hashmap on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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-12/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" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1ffcffae21a6ed845b9869397246ebd566a439ece07b8c19d199a7a8df613393
[INFO] running `Command { std: "docker" "start" "-a" "1ffcffae21a6ed845b9869397246ebd566a439ece07b8c19d199a7a8df613393", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ffcffae21a6ed845b9869397246ebd566a439ece07b8c19d199a7a8df613393", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ffcffae21a6ed845b9869397246ebd566a439ece07b8c19d199a7a8df613393", kill_on_drop: false }`
[INFO] [stdout] 1ffcffae21a6ed845b9869397246ebd566a439ece07b8c19d199a7a8df613393
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 82638a662f052cb789dd4d408084efa78c1441686a68725d1c3efc17f7a86202
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "82638a662f052cb789dd4d408084efa78c1441686a68725d1c3efc17f7a86202", 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 1.18s
[INFO] running `Command { std: "docker" "inspect" "82638a662f052cb789dd4d408084efa78c1441686a68725d1c3efc17f7a86202", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82638a662f052cb789dd4d408084efa78c1441686a68725d1c3efc17f7a86202", kill_on_drop: false }`
[INFO] [stdout] 82638a662f052cb789dd4d408084efa78c1441686a68725d1c3efc17f7a86202