[INFO] fetching crate zerror_core 0.12.0...
[INFO] checking zerror_core-0.12.0 against master#dc8fe1f81c6cf13c0987944c525b2aa81625b5d0 for pr-133502-4
[INFO] extracting crate zerror_core 0.12.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate zerror_core 0.12.0 on toolchain dc8fe1f81c6cf13c0987944c525b2aa81625b5d0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dc8fe1f81c6cf13c0987944c525b2aa81625b5d0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zerror_core 0.12.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate zerror_core 0.12.0
[INFO] tweaked toml for crates.io crate zerror_core 0.12.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dc8fe1f81c6cf13c0987944c525b2aa81625b5d0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 14 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dc8fe1f81c6cf13c0987944c525b2aa81625b5d0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tatl v0.12.0
[INFO] [stderr]   Downloaded derive_util v0.4.0
[INFO] [stderr]   Downloaded zerror v0.7.0
[INFO] [stderr]   Downloaded zerror_derive v0.6.0
[INFO] [stderr]   Downloaded buffertk v0.12.0
[INFO] [stderr]   Downloaded prototk_derive v0.12.0
[INFO] [stderr]   Downloaded one_two_eight v0.9.0
[INFO] [stderr]   Downloaded sig_fig_histogram v0.5.0
[INFO] [stderr]   Downloaded biometrics v0.11.0
[INFO] [stderr]   Downloaded prototk v0.12.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+dc8fe1f81c6cf13c0987944c525b2aa81625b5d0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9fcd3bc036d663ccfc0f30ab4cc46b8fc8f6d53cde746001d1eed2b54b6a3d47
[INFO] running `Command { std: "docker" "start" "-a" "9fcd3bc036d663ccfc0f30ab4cc46b8fc8f6d53cde746001d1eed2b54b6a3d47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9fcd3bc036d663ccfc0f30ab4cc46b8fc8f6d53cde746001d1eed2b54b6a3d47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fcd3bc036d663ccfc0f30ab4cc46b8fc8f6d53cde746001d1eed2b54b6a3d47", kill_on_drop: false }`
[INFO] [stdout] 9fcd3bc036d663ccfc0f30ab4cc46b8fc8f6d53cde746001d1eed2b54b6a3d47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+dc8fe1f81c6cf13c0987944c525b2aa81625b5d0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d633807dee1791dbdec16d853b994dc27aae56a1e6e55c2f299bffa2c7fdbf5
[INFO] running `Command { std: "docker" "start" "-a" "7d633807dee1791dbdec16d853b994dc27aae56a1e6e55c2f299bffa2c7fdbf5", kill_on_drop: false }`
[INFO] [stderr]    Compiling buffertk v0.12.0
[INFO] [stderr]     Checking zerror v0.7.0
[INFO] [stderr]     Checking sig_fig_histogram v0.5.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking biometrics v0.11.0
[INFO] [stderr]    Compiling derive_util v0.4.0
[INFO] [stderr]    Compiling prototk_derive v0.12.0
[INFO] [stderr]    Compiling zerror_derive v0.6.0
[INFO] [stderr]     Checking prototk v0.12.0
[INFO] [stderr]     Checking one_two_eight v0.9.0
[INFO] [stderr]     Checking tatl v0.12.0
[INFO] [stderr]     Checking zerror_core v0.12.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.81s
[INFO] running `Command { std: "docker" "inspect" "7d633807dee1791dbdec16d853b994dc27aae56a1e6e55c2f299bffa2c7fdbf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d633807dee1791dbdec16d853b994dc27aae56a1e6e55c2f299bffa2c7fdbf5", kill_on_drop: false }`
[INFO] [stdout] 7d633807dee1791dbdec16d853b994dc27aae56a1e6e55c2f299bffa2c7fdbf5