[INFO] fetching crate imag-grep 0.10.1...
[INFO] checking imag-grep-0.10.1 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate imag-grep 0.10.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate imag-grep 0.10.1 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate imag-grep 0.10.1
[INFO] finished tweaking crates.io crate imag-grep 0.10.1
[INFO] tweaked toml for crates.io crate imag-grep 0.10.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate imag-grep 0.10.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a6792a23c6866c994bdbe5303f0de8ac8dba50fa2aa5844a10068bb83e88a214
[INFO] running `Command { std: "docker" "start" "-a" "a6792a23c6866c994bdbe5303f0de8ac8dba50fa2aa5844a10068bb83e88a214", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6792a23c6866c994bdbe5303f0de8ac8dba50fa2aa5844a10068bb83e88a214", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6792a23c6866c994bdbe5303f0de8ac8dba50fa2aa5844a10068bb83e88a214", kill_on_drop: false }`
[INFO] [stdout] a6792a23c6866c994bdbe5303f0de8ac8dba50fa2aa5844a10068bb83e88a214
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f57bb5c2245c472144483f459c931f1d714713b232de53d66fc4bbff2c7f8c91
[INFO] running `Command { std: "docker" "start" "-a" "f57bb5c2245c472144483f459c931f1d714713b232de53d66fc4bbff2c7f8c91", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]     Checking regex-syntax v0.6.14
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking backtrace-sys v0.1.32
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking term_size v0.3.1
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]     Checking backtrace v0.3.44
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking interactor v0.1.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking num-integer v0.1.42
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking serde_json v1.0.48
[INFO] [stderr]     Checking hashbrown v0.5.0
[INFO] [stderr]     Checking libimagerror v0.10.1
[INFO] [stderr]     Checking libimagutil v0.10.1
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking toml-query v0.9.2
[INFO] [stderr]     Checking handlebars v2.0.4
[INFO] [stderr]     Checking libimagstore v0.10.1
[INFO] [stderr]     Checking libimaginteraction v0.10.1
[INFO] [stderr]     Checking libimagrt v0.10.1
[INFO] [stderr]     Checking imag-grep v0.10.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.80s
[INFO] running `Command { std: "docker" "inspect" "f57bb5c2245c472144483f459c931f1d714713b232de53d66fc4bbff2c7f8c91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f57bb5c2245c472144483f459c931f1d714713b232de53d66fc4bbff2c7f8c91", kill_on_drop: false }`
[INFO] [stdout] f57bb5c2245c472144483f459c931f1d714713b232de53d66fc4bbff2c7f8c91