[INFO] cloning repository https://github.com/arnau/whirl
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/arnau/whirl" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farnau%2Fwhirl", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farnau%2Fwhirl'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 13812a0ff433e78b0f3fe10f434d6a23b37aca1f
[INFO] checking arnau/whirl against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farnau%2Fwhirl" "/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/arnau/whirl on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/arnau/whirl
[INFO] finished tweaking git repo https://github.com/arnau/whirl
[INFO] tweaked toml for git repo https://github.com/arnau/whirl written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/arnau/whirl already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded napi-sys v1.0.0
[INFO] [stderr]   Downloaded napi-build v1.0.1
[INFO] [stderr]   Downloaded napi-derive v1.0.0
[INFO] [stderr]   Downloaded napi v1.1.1
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9668ebf5dd46be56060d02a1ebd5b4686093d41e300e06f818903de99a9e0a55
[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" "9668ebf5dd46be56060d02a1ebd5b4686093d41e300e06f818903de99a9e0a55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9668ebf5dd46be56060d02a1ebd5b4686093d41e300e06f818903de99a9e0a55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9668ebf5dd46be56060d02a1ebd5b4686093d41e300e06f818903de99a9e0a55", kill_on_drop: false }`
[INFO] [stdout] 9668ebf5dd46be56060d02a1ebd5b4686093d41e300e06f818903de99a9e0a55
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 54fc956030295a92bfd116c9b6f6663ab749c7306dc1d0c5cdcbd264e6d1c883
[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" "54fc956030295a92bfd116c9b6f6663ab749c7306dc1d0c5cdcbd264e6d1c883", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling serde_derive v1.0.119
[INFO] [stderr]    Compiling serde v1.0.119
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]     Checking napi-sys v1.0.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling napi-build v1.0.1
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling arnau_whirl v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling napi-derive v1.0.0
[INFO] [stderr]     Checking thiserror v1.0.23
[INFO] [stderr]     Checking serde_json v1.0.61
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking napi v1.1.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 52.45s
[INFO] running `Command { std: "docker" "inspect" "54fc956030295a92bfd116c9b6f6663ab749c7306dc1d0c5cdcbd264e6d1c883", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54fc956030295a92bfd116c9b6f6663ab749c7306dc1d0c5cdcbd264e6d1c883", kill_on_drop: false }`
[INFO] [stdout] 54fc956030295a92bfd116c9b6f6663ab749c7306dc1d0c5cdcbd264e6d1c883