[INFO] crate mtpng 0.3.1 is already in cache
[INFO] checking mtpng-0.3.1 against master#fe6d05a8b32f5c66c427ca524dbcce5a7145f87e for pr-64327
[INFO] extracting crate mtpng 0.3.1 into work/builds/worker-1/source
[INFO] validating manifest of crates.io crate mtpng 0.3.1 on toolchain fe6d05a8b32f5c66c427ca524dbcce5a7145f87e-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+fe6d05a8b32f5c66c427ca524dbcce5a7145f87e-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate mtpng 0.3.1
[INFO] finished tweaking crates.io crate mtpng 0.3.1
[INFO] tweaked toml for crates.io crate mtpng 0.3.1 written to work/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate mtpng 0.3.1 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+fe6d05a8b32f5c66c427ca524dbcce5a7145f87e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+fe6d05a8b32f5c66c427ca524dbcce5a7145f87e-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 58feef529ba3e86a9b45391e085b05f5bab26da8f2c7912aa8f61e21f227e8ce
[INFO] running `"docker" "start" "-a" "58feef529ba3e86a9b45391e085b05f5bab26da8f2c7912aa8f61e21f227e8ce"`
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking mtpng v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.45s
[INFO] running `"docker" "inspect" "58feef529ba3e86a9b45391e085b05f5bab26da8f2c7912aa8f61e21f227e8ce"`
[INFO] running `"docker" "rm" "-f" "58feef529ba3e86a9b45391e085b05f5bab26da8f2c7912aa8f61e21f227e8ce"`
[INFO] [stdout] 58feef529ba3e86a9b45391e085b05f5bab26da8f2c7912aa8f61e21f227e8ce