[INFO] cloning repository https://github.com/bradurani/rust-iterator-to-hash-map
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bradurani/rust-iterator-to-hash-map" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbradurani%2Frust-iterator-to-hash-map", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbradurani%2Frust-iterator-to-hash-map'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8f4e102e0aad3fa07b4ed8a1247d1a39983fbab2
[INFO] checking bradurani/rust-iterator-to-hash-map against try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbradurani%2Frust-iterator-to-hash-map" "/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/bradurani/rust-iterator-to-hash-map on toolchain 3d9fdbff4f377de96b3a51174e7a64086bee9a5c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bradurani/rust-iterator-to-hash-map
[INFO] finished tweaking git repo https://github.com/bradurani/rust-iterator-to-hash-map
[INFO] tweaked toml for git repo https://github.com/bradurani/rust-iterator-to-hash-map written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/bradurani/rust-iterator-to-hash-map already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "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] 6b71ebfe57a956dfef6ae7231f7493ed8147b4c68e716365f3c2e4a65863ad41
[INFO] running `Command { std: "docker" "start" "-a" "6b71ebfe57a956dfef6ae7231f7493ed8147b4c68e716365f3c2e4a65863ad41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b71ebfe57a956dfef6ae7231f7493ed8147b4c68e716365f3c2e4a65863ad41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b71ebfe57a956dfef6ae7231f7493ed8147b4c68e716365f3c2e4a65863ad41", kill_on_drop: false }`
[INFO] [stdout] 6b71ebfe57a956dfef6ae7231f7493ed8147b4c68e716365f3c2e4a65863ad41
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7c8b329cd3450982d739d480edf6300b8d4884bdc517804f1a0b05ea6a6b5a9
[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" "d7c8b329cd3450982d739d480edf6300b8d4884bdc517804f1a0b05ea6a6b5a9", kill_on_drop: false }`
[INFO] [stderr]     Checking iterator_to_hash_map v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "d7c8b329cd3450982d739d480edf6300b8d4884bdc517804f1a0b05ea6a6b5a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7c8b329cd3450982d739d480edf6300b8d4884bdc517804f1a0b05ea6a6b5a9", kill_on_drop: false }`
[INFO] [stdout] d7c8b329cd3450982d739d480edf6300b8d4884bdc517804f1a0b05ea6a6b5a9