[INFO] fetching crate brain_fuck 0.1.1...
[INFO] checking brain_fuck-0.1.1 against try#bb9dbf1d07454a99066eabaabd5819851281494b for pr-80920
[INFO] extracting crate brain_fuck 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate brain_fuck 0.1.1 on toolchain bb9dbf1d07454a99066eabaabd5819851281494b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate brain_fuck 0.1.1
[INFO] finished tweaking crates.io crate brain_fuck 0.1.1
[INFO] tweaked toml for crates.io crate brain_fuck 0.1.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate brain_fuck 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e4c56a76b708299e2ad9b52da69ab7b3c4eecc0bd8452d9238c24b8d743f1a72
[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" "e4c56a76b708299e2ad9b52da69ab7b3c4eecc0bd8452d9238c24b8d743f1a72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4c56a76b708299e2ad9b52da69ab7b3c4eecc0bd8452d9238c24b8d743f1a72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4c56a76b708299e2ad9b52da69ab7b3c4eecc0bd8452d9238c24b8d743f1a72", kill_on_drop: false }`
[INFO] [stdout] e4c56a76b708299e2ad9b52da69ab7b3c4eecc0bd8452d9238c24b8d743f1a72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 287b24f0fa5d3863a7435e0c2e137b49b6c79f6ac51a5154b89b1e0b1faec9ac
[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" "287b24f0fa5d3863a7435e0c2e137b49b6c79f6ac51a5154b89b1e0b1faec9ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling brain_fuck v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `Command { std: "docker" "inspect" "287b24f0fa5d3863a7435e0c2e137b49b6c79f6ac51a5154b89b1e0b1faec9ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "287b24f0fa5d3863a7435e0c2e137b49b6c79f6ac51a5154b89b1e0b1faec9ac", kill_on_drop: false }`
[INFO] [stdout] 287b24f0fa5d3863a7435e0c2e137b49b6c79f6ac51a5154b89b1e0b1faec9ac