[INFO] fetching crate mt_rat 0.5.3...
[INFO] checking mt_rat-0.5.3 against master#eeb94be79adc9df7a09ad0b2421f16e60e6d932c for pr-152971
[INFO] extracting crate mt_rat 0.5.3 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate mt_rat 0.5.3
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate mt_rat 0.5.3
[INFO] tweaked toml for crates.io crate mt_rat 0.5.3 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mt_rat 0.5.3 on toolchain eeb94be79adc9df7a09ad0b2421f16e60e6d932c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eeb94be79adc9df7a09ad0b2421f16e60e6d932c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mt_rat 0.5.3 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" "+eeb94be79adc9df7a09ad0b2421f16e60e6d932c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+eeb94be79adc9df7a09ad0b2421f16e60e6d932c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a25345262e63837773ce6be5d92d829fd9e211b9ea51b08114cf4e75b842763
[INFO] running `Command { std: "docker" "start" "-a" "6a25345262e63837773ce6be5d92d829fd9e211b9ea51b08114cf4e75b842763", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a25345262e63837773ce6be5d92d829fd9e211b9ea51b08114cf4e75b842763", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a25345262e63837773ce6be5d92d829fd9e211b9ea51b08114cf4e75b842763", kill_on_drop: false }`
[INFO] [stdout] 6a25345262e63837773ce6be5d92d829fd9e211b9ea51b08114cf4e75b842763
[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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+eeb94be79adc9df7a09ad0b2421f16e60e6d932c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d2f7261cbaf3bb11bfd1e7ef0611956c7ff9ec9766c04efba71e1ecdd8eae1f6
[INFO] running `Command { std: "docker" "start" "-a" "d2f7261cbaf3bb11bfd1e7ef0611956c7ff9ec9766c04efba71e1ecdd8eae1f6", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "inspect" "d2f7261cbaf3bb11bfd1e7ef0611956c7ff9ec9766c04efba71e1ecdd8eae1f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2f7261cbaf3bb11bfd1e7ef0611956c7ff9ec9766c04efba71e1ecdd8eae1f6", kill_on_drop: false }`
[INFO] [stdout] d2f7261cbaf3bb11bfd1e7ef0611956c7ff9ec9766c04efba71e1ecdd8eae1f6
