[INFO] cloning repository https://github.com/daraszkrzysztof/hashmap
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/daraszkrzysztof/hashmap" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaraszkrzysztof%2Fhashmap", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaraszkrzysztof%2Fhashmap'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2c2edd3774c0a46cac4306ca7cd2bcfdfc080eec
[INFO] checking daraszkrzysztof/hashmap against try#53184dc07942a1944769a9e15fc2cb08c9f62e9d for pr-99197
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaraszkrzysztof%2Fhashmap" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/daraszkrzysztof/hashmap on toolchain 53184dc07942a1944769a9e15fc2cb08c9f62e9d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+53184dc07942a1944769a9e15fc2cb08c9f62e9d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/daraszkrzysztof/hashmap
[INFO] finished tweaking git repo https://github.com/daraszkrzysztof/hashmap
[INFO] tweaked toml for git repo https://github.com/daraszkrzysztof/hashmap written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/daraszkrzysztof/hashmap already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+53184dc07942a1944769a9e15fc2cb08c9f62e9d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:5873ed620acfc3295992aedd9294443d62a478a48ba243bc5e6c4f5abaffa05f" "/opt/rustwide/cargo-home/bin/cargo" "+53184dc07942a1944769a9e15fc2cb08c9f62e9d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 18f7eda236817df15db0624a0c7161f4d06aecbe5fa13e5a3f33e8e38b53182c
[INFO] running `Command { std: "docker" "start" "-a" "18f7eda236817df15db0624a0c7161f4d06aecbe5fa13e5a3f33e8e38b53182c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "18f7eda236817df15db0624a0c7161f4d06aecbe5fa13e5a3f33e8e38b53182c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18f7eda236817df15db0624a0c7161f4d06aecbe5fa13e5a3f33e8e38b53182c", kill_on_drop: false }`
[INFO] [stdout] 18f7eda236817df15db0624a0c7161f4d06aecbe5fa13e5a3f33e8e38b53182c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:5873ed620acfc3295992aedd9294443d62a478a48ba243bc5e6c4f5abaffa05f" "/opt/rustwide/cargo-home/bin/cargo" "+53184dc07942a1944769a9e15fc2cb08c9f62e9d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b77d3baa877aa14377da479136b74e35b9b4970251a943a0b84abb196c07640
[INFO] running `Command { std: "docker" "start" "-a" "5b77d3baa877aa14377da479136b74e35b9b4970251a943a0b84abb196c07640", kill_on_drop: false }`
[INFO] [stderr]     Checking hashmap v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/lib.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 87 |         mem::replace(&mut self.buckets, new_buckets);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/lib.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 87 |         mem::replace(&mut self.buckets, new_buckets);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "5b77d3baa877aa14377da479136b74e35b9b4970251a943a0b84abb196c07640", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b77d3baa877aa14377da479136b74e35b9b4970251a943a0b84abb196c07640", kill_on_drop: false }`
[INFO] [stdout] 5b77d3baa877aa14377da479136b74e35b9b4970251a943a0b84abb196c07640