[INFO] fetching crate bifrost-ice 0.1.0-alpha...
[INFO] checking bifrost-ice-0.1.0-alpha against master#a836d9b6413d9d593be6c09463ff8c4c70e56599 for pr-84037
[INFO] extracting crate bifrost-ice 0.1.0-alpha into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate bifrost-ice 0.1.0-alpha 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 crates.io crate bifrost-ice 0.1.0-alpha
[INFO] finished tweaking crates.io crate bifrost-ice 0.1.0-alpha
[INFO] tweaked toml for crates.io crate bifrost-ice 0.1.0-alpha written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "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] 7ed4d2d955e825c393a0f4b323f67d6b1e74e0602cfca0f15989e4336af0fc85
[INFO] running `Command { std: "docker" "start" "-a" "7ed4d2d955e825c393a0f4b323f67d6b1e74e0602cfca0f15989e4336af0fc85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ed4d2d955e825c393a0f4b323f67d6b1e74e0602cfca0f15989e4336af0fc85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ed4d2d955e825c393a0f4b323f67d6b1e74e0602cfca0f15989e4336af0fc85", kill_on_drop: false }`
[INFO] [stdout] 7ed4d2d955e825c393a0f4b323f67d6b1e74e0602cfca0f15989e4336af0fc85
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 25660b02d297df3989c77dca036052c046751387a6c14e129906153ff8e469c5
[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" "25660b02d297df3989c77dca036052c046751387a6c14e129906153ff8e469c5", kill_on_drop: false }`
[INFO] [stderr]     Checking bifrost-ice v0.1.0-alpha (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "25660b02d297df3989c77dca036052c046751387a6c14e129906153ff8e469c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25660b02d297df3989c77dca036052c046751387a6c14e129906153ff8e469c5", kill_on_drop: false }`
[INFO] [stdout] 25660b02d297df3989c77dca036052c046751387a6c14e129906153ff8e469c5