[INFO] fetching crate trivial-kernel 0.9.0...
[INFO] checking trivial-kernel-0.9.0 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate trivial-kernel 0.9.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate trivial-kernel 0.9.0 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate trivial-kernel 0.9.0
[INFO] finished tweaking crates.io crate trivial-kernel 0.9.0
[INFO] tweaked toml for crates.io crate trivial-kernel 0.9.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a873e58a7d0e67e5642fb588419029ccdff24e5de8a3a2caf7a6c4f9f3910d92
[INFO] running `Command { std: "docker" "start" "-a" "a873e58a7d0e67e5642fb588419029ccdff24e5de8a3a2caf7a6c4f9f3910d92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a873e58a7d0e67e5642fb588419029ccdff24e5de8a3a2caf7a6c4f9f3910d92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a873e58a7d0e67e5642fb588419029ccdff24e5de8a3a2caf7a6c4f9f3910d92", kill_on_drop: false }`
[INFO] [stdout] a873e58a7d0e67e5642fb588419029ccdff24e5de8a3a2caf7a6c4f9f3910d92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 848904e7d06366caa760eae92cc260cb254160ff19e609e6ff1a169bc179506c
[INFO] running `Command { std: "docker" "start" "-a" "848904e7d06366caa760eae92cc260cb254160ff19e609e6ff1a169bc179506c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking mmb-types v0.3.1
[INFO] [stderr]     Checking trivial-kernel v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.10s
[INFO] running `Command { std: "docker" "inspect" "848904e7d06366caa760eae92cc260cb254160ff19e609e6ff1a169bc179506c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "848904e7d06366caa760eae92cc260cb254160ff19e609e6ff1a169bc179506c", kill_on_drop: false }`
[INFO] [stdout] 848904e7d06366caa760eae92cc260cb254160ff19e609e6ff1a169bc179506c