[INFO] cloning repository https://github.com/onatm/virtual-insanity
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/onatm/virtual-insanity" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fonatm%2Fvirtual-insanity", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fonatm%2Fvirtual-insanity'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 190737b875f914b677fc71524a7a7986e0d61ee3
[INFO] checking onatm/virtual-insanity against master#a836d9b6413d9d593be6c09463ff8c4c70e56599 for pr-84037
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fonatm%2Fvirtual-insanity" "/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/onatm/virtual-insanity on toolchain a836d9b6413d9d593be6c09463ff8c4c70e56599
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/onatm/virtual-insanity
[INFO] finished tweaking git repo https://github.com/onatm/virtual-insanity
[INFO] tweaked toml for git repo https://github.com/onatm/virtual-insanity written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/onatm/virtual-insanity already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "fetch" "--locked" "--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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a4bfe2623365fc686c5e33d39cfc18650f0686d31b4a6cb4afc83daac1ecbfa5
[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" "a4bfe2623365fc686c5e33d39cfc18650f0686d31b4a6cb4afc83daac1ecbfa5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4bfe2623365fc686c5e33d39cfc18650f0686d31b4a6cb4afc83daac1ecbfa5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4bfe2623365fc686c5e33d39cfc18650f0686d31b4a6cb4afc83daac1ecbfa5", kill_on_drop: false }`
[INFO] [stdout] a4bfe2623365fc686c5e33d39cfc18650f0686d31b4a6cb4afc83daac1ecbfa5
[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" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 934e81c289f3f7155196c89f020753c35b350e47a849ad8d451f9b44da5cbca7
[INFO] running `Command { std: "docker" "start" "-a" "934e81c289f3f7155196c89f020753c35b350e47a849ad8d451f9b44da5cbca7", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]     Checking nom v4.2.1
[INFO] [stderr]     Checking virtual-insanity v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.19s
[INFO] running `Command { std: "docker" "inspect" "934e81c289f3f7155196c89f020753c35b350e47a849ad8d451f9b44da5cbca7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "934e81c289f3f7155196c89f020753c35b350e47a849ad8d451f9b44da5cbca7", kill_on_drop: false }`
[INFO] [stdout] 934e81c289f3f7155196c89f020753c35b350e47a849ad8d451f9b44da5cbca7