[INFO] fetching crate maze-serval 0.5.2...
[INFO] checking maze-serval-0.5.2 against try#0f31acebf540c89e4a4d5d114959fe91973419cb for pr-147017
[INFO] extracting crate maze-serval 0.5.2 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate maze-serval 0.5.2
[INFO] finished tweaking crates.io crate maze-serval 0.5.2
[INFO] tweaked toml for crates.io crate maze-serval 0.5.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate maze-serval 0.5.2 on toolchain 0f31acebf540c89e4a4d5d114959fe91973419cb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0f31acebf540c89e4a4d5d114959fe91973419cb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate maze-serval 0.5.2 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" "+0f31acebf540c89e4a4d5d114959fe91973419cb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+0f31acebf540c89e4a4d5d114959fe91973419cb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 62128c961830ea659b050058f1237f4a67f3ad804a80edbe374f81fb8100a372
[INFO] running `Command { std: "docker" "start" "-a" "62128c961830ea659b050058f1237f4a67f3ad804a80edbe374f81fb8100a372", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62128c961830ea659b050058f1237f4a67f3ad804a80edbe374f81fb8100a372", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62128c961830ea659b050058f1237f4a67f3ad804a80edbe374f81fb8100a372", kill_on_drop: false }`
[INFO] [stdout] 62128c961830ea659b050058f1237f4a67f3ad804a80edbe374f81fb8100a372
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+0f31acebf540c89e4a4d5d114959fe91973419cb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9084562721ab1de89f81f8fd22c01d4c3d57da7ae275ecb9f59cc64822d06ac6
[INFO] running `Command { std: "docker" "start" "-a" "9084562721ab1de89f81f8fd22c01d4c3d57da7ae275ecb9f59cc64822d06ac6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.174
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[INFO] [stderr]    Compiling polars-lazy v0.50.0
[INFO] [stderr]    Compiling portable-atomic v1.11.1
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[INFO] [stderr]    Compiling ring v0.17.14
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[INFO] [stderr]    Compiling zstd-sys v2.0.15+zstd.1.5.7
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[INFO] [stderr]     Checking polars-error v0.50.0
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[INFO] [stderr]     Checking polars-expr v0.50.0
[INFO] [stderr]     Checking polars-mem-engine v0.50.0
[INFO] [stderr]     Checking maze-serval v0.5.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 39s
[INFO] running `Command { std: "docker" "inspect" "9084562721ab1de89f81f8fd22c01d4c3d57da7ae275ecb9f59cc64822d06ac6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9084562721ab1de89f81f8fd22c01d4c3d57da7ae275ecb9f59cc64822d06ac6", kill_on_drop: false }`
[INFO] [stdout] 9084562721ab1de89f81f8fd22c01d4c3d57da7ae275ecb9f59cc64822d06ac6