[INFO] fetching crate kamadak-exif 0.5.5...
[INFO] checking kamadak-exif-0.5.5 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate kamadak-exif 0.5.5 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate kamadak-exif 0.5.5 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kamadak-exif 0.5.5
[INFO] finished tweaking crates.io crate kamadak-exif 0.5.5
[INFO] tweaked toml for crates.io crate kamadak-exif 0.5.5 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate kamadak-exif 0.5.5 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "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-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e2ee90df0e55a410d20d6f52574deaa5e79926fc334e66b5bcd0e0b38f6fbe6d
[INFO] running `Command { std: "docker" "start" "-a" "e2ee90df0e55a410d20d6f52574deaa5e79926fc334e66b5bcd0e0b38f6fbe6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2ee90df0e55a410d20d6f52574deaa5e79926fc334e66b5bcd0e0b38f6fbe6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2ee90df0e55a410d20d6f52574deaa5e79926fc334e66b5bcd0e0b38f6fbe6d", kill_on_drop: false }`
[INFO] [stdout] e2ee90df0e55a410d20d6f52574deaa5e79926fc334e66b5bcd0e0b38f6fbe6d
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b1bb1542e7abb721603878040abad3c88031521c699bc7e900dcc4257976526
[INFO] running `Command { std: "docker" "start" "-a" "7b1bb1542e7abb721603878040abad3c88031521c699bc7e900dcc4257976526", kill_on_drop: false }`
[INFO] [stderr]     Checking mutate_once v0.1.1
[INFO] [stderr]     Checking kamadak-exif v0.5.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.95s
[INFO] running `Command { std: "docker" "inspect" "7b1bb1542e7abb721603878040abad3c88031521c699bc7e900dcc4257976526", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b1bb1542e7abb721603878040abad3c88031521c699bc7e900dcc4257976526", kill_on_drop: false }`
[INFO] [stdout] 7b1bb1542e7abb721603878040abad3c88031521c699bc7e900dcc4257976526