[INFO] fetching crate metrics-derive 0.1.0...
[INFO] checking metrics-derive-0.1.0 against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-150727
[INFO] extracting crate metrics-derive 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate metrics-derive 0.1.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate metrics-derive 0.1.0
[INFO] tweaked toml for crates.io crate metrics-derive 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate metrics-derive 0.1.0 on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "generate-lockfile" "--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]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 59 packages to latest compatible versions
[INFO] [stderr]       Adding metrics v0.23.1 (available: v0.24.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serial_test v3.3.1
[INFO] [stderr]   Downloaded serial_test_derive v3.3.1
[INFO] [stderr]   Downloaded toml_writer v1.0.6+spec-1.1.0
[INFO] [stderr]   Downloaded trybuild v1.0.114
[INFO] [stderr]   Downloaded metrics v0.23.1
[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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5a7f058704f0e07c0ddfc2a0361264982a00df27bd1e0acf882ef01882523ddd
[INFO] running `Command { std: "docker" "start" "-a" "5a7f058704f0e07c0ddfc2a0361264982a00df27bd1e0acf882ef01882523ddd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a7f058704f0e07c0ddfc2a0361264982a00df27bd1e0acf882ef01882523ddd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a7f058704f0e07c0ddfc2a0361264982a00df27bd1e0acf882ef01882523ddd", kill_on_drop: false }`
[INFO] [stdout] 5a7f058704f0e07c0ddfc2a0361264982a00df27bd1e0acf882ef01882523ddd
[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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4d2764067faf7db4206b67f20560651dd39c2c21de7529339bafc73386a6df8
[INFO] running `Command { std: "docker" "start" "-a" "a4d2764067faf7db4206b67f20560651dd39c2c21de7529339bafc73386a6df8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.105
[INFO] [stderr]    Compiling libc v0.2.180
[INFO] [stderr]     Checking unicode-ident v1.0.22
[INFO] [stderr]    Compiling zerocopy v0.8.33
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling quote v1.0.43
[INFO] [stderr]     Checking aho-corasick v1.1.4
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling target-triple v1.0.0
[INFO] [stderr]     Checking winnow v0.7.14
[INFO] [stderr]     Checking regex-syntax v0.8.8
[INFO] [stderr]     Checking toml_datetime v0.7.5+spec-1.1.0
[INFO] [stderr]     Checking serde_spanned v1.0.4
[INFO] [stderr]     Checking toml_writer v1.0.6+spec-1.1.0
[INFO] [stderr]     Checking serde_json v1.0.149
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking glob v0.3.3
[INFO] [stderr]     Checking syn v2.0.114
[INFO] [stderr]     Checking toml_parser v1.0.6+spec-1.1.0
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking toml v0.9.10+spec-1.1.0
[INFO] [stderr]     Checking metrics v0.23.1
[INFO] [stderr]     Checking regex v1.12.2
[INFO] [stderr]     Checking metrics-derive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling serial_test_derive v3.3.1
[INFO] [stderr]     Checking serial_test v3.3.1
[INFO] [stderr]     Checking trybuild v1.0.114
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.92s
[INFO] running `Command { std: "docker" "inspect" "a4d2764067faf7db4206b67f20560651dd39c2c21de7529339bafc73386a6df8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4d2764067faf7db4206b67f20560651dd39c2c21de7529339bafc73386a6df8", kill_on_drop: false }`
[INFO] [stdout] a4d2764067faf7db4206b67f20560651dd39c2c21de7529339bafc73386a6df8