[INFO] fetching crate stak-compiler 0.10.38...
[INFO] checking stak-compiler-0.10.38 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate stak-compiler 0.10.38 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate stak-compiler 0.10.38
[INFO] finished tweaking crates.io crate stak-compiler 0.10.38
[INFO] tweaked toml for crates.io crate stak-compiler 0.10.38 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate stak-compiler 0.10.38 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate stak-compiler 0.10.38 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded stak-vm v0.10.38
[INFO] [stderr]   Downloaded stak-r7rs v0.10.38
[INFO] [stderr]   Downloaded cfg-elif v0.6.3
[INFO] [stderr]   Downloaded winter-maybe-async v0.13.1
[INFO] [stderr]   Downloaded stak-time v0.10.38
[INFO] [stderr]   Downloaded stak-util v0.10.38
[INFO] [stderr]   Downloaded stak-file v0.10.38
[INFO] [stderr]   Downloaded stak-configuration v0.10.38
[INFO] [stderr]   Downloaded stak-device v0.10.38
[INFO] [stderr]   Downloaded stak-inexact v0.10.38
[INFO] [stderr]   Downloaded noop-executor v0.1.0
[INFO] [stderr]   Downloaded stak-native v0.10.38
[INFO] [stderr]   Downloaded stak-process-context v0.10.38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 94af0e6d9a00b331ecda38c82aa09c8845bd2f656b59f87cc7f16b2fcfba5f34
[INFO] running `Command { std: "docker" "start" "-a" "94af0e6d9a00b331ecda38c82aa09c8845bd2f656b59f87cc7f16b2fcfba5f34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94af0e6d9a00b331ecda38c82aa09c8845bd2f656b59f87cc7f16b2fcfba5f34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94af0e6d9a00b331ecda38c82aa09c8845bd2f656b59f87cc7f16b2fcfba5f34", kill_on_drop: false }`
[INFO] [stdout] 94af0e6d9a00b331ecda38c82aa09c8845bd2f656b59f87cc7f16b2fcfba5f34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cbc637470e93c51ac614626a1cc2f5cb8b853b916bf655688e7d57a63afdd863
[INFO] running `Command { std: "docker" "start" "-a" "cbc637470e93c51ac614626a1cc2f5cb8b853b916bf655688e7d57a63afdd863", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.97
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]     Checking noop-executor v0.1.0
[INFO] [stderr]     Checking cfg-elif v0.6.3
[INFO] [stderr]    Compiling heapless v0.8.0
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling stak-compiler v0.10.38 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking stak-configuration v0.10.38
[INFO] [stderr]    Compiling indoc v2.0.6
[INFO] [stderr]     Checking hash32 v0.3.1
[INFO] [stderr]     Checking stak-util v0.10.38
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.105
[INFO] [stderr]    Compiling winter-maybe-async v0.13.1
[INFO] [stderr]     Checking stak-vm v0.10.38
[INFO] [stderr]     Checking stak-device v0.10.38
[INFO] [stderr]     Checking stak-process-context v0.10.38
[INFO] [stderr]     Checking stak-inexact v0.10.38
[INFO] [stderr]     Checking stak-native v0.10.38
[INFO] [stderr]     Checking stak-file v0.10.38
[INFO] [stderr]     Checking stak-time v0.10.38
[INFO] [stderr]     Checking stak-r7rs v0.10.38
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.94s
[INFO] running `Command { std: "docker" "inspect" "cbc637470e93c51ac614626a1cc2f5cb8b853b916bf655688e7d57a63afdd863", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbc637470e93c51ac614626a1cc2f5cb8b853b916bf655688e7d57a63afdd863", kill_on_drop: false }`
[INFO] [stdout] cbc637470e93c51ac614626a1cc2f5cb8b853b916bf655688e7d57a63afdd863