[INFO] crate cntr-nix 0.11.3-pre1 is already in cache
[INFO] extracting crate cntr-nix 0.11.3-pre1 into work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/cntr-nix/0.11.3-pre1
[INFO] extracting crate cntr-nix 0.11.3-pre1 into work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/cntr-nix/0.11.3-pre1
[INFO] validating manifest of cntr-nix-0.11.3-pre1 on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of cntr-nix-0.11.3-pre1 on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing cntr-nix-0.11.3-pre1
[INFO] removed 0 missing tests
[INFO] finished frobbing cntr-nix-0.11.3-pre1
[INFO] frobbed toml for cntr-nix-0.11.3-pre1 written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/cntr-nix/0.11.3-pre1/Cargo.toml
[INFO] started frobbing cntr-nix-0.11.3-pre1
[INFO] removed 0 missing tests
[INFO] finished frobbing cntr-nix-0.11.3-pre1
[INFO] frobbed toml for cntr-nix-0.11.3-pre1 written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/cntr-nix/0.11.3-pre1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] building cntr-nix-0.11.3-pre1 against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/cntr-nix/0.11.3-pre1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] 442eceebb7e7ac0d8e22d2a25bd4e295699c49cef98f44638961d2dadc9b0f46
[INFO] running `"docker" "start" "-a" "442eceebb7e7ac0d8e22d2a25bd4e295699c49cef98f44638961d2dadc9b0f46"`
[INFO] [stderr]    Compiling cntr-nix v0.11.3-pre1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.81s
[INFO] running `"docker" "inspect" "442eceebb7e7ac0d8e22d2a25bd4e295699c49cef98f44638961d2dadc9b0f46"`
[INFO] running `"docker" "rm" "-f" "442eceebb7e7ac0d8e22d2a25bd4e295699c49cef98f44638961d2dadc9b0f46"`
[INFO] [stdout] 442eceebb7e7ac0d8e22d2a25bd4e295699c49cef98f44638961d2dadc9b0f46
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/cntr-nix/0.11.3-pre1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] f488f4a673dd4f4e9e2ab6cdf7c1ecdc253d2350a89356a6dd506447baab59c9
[INFO] running `"docker" "start" "-a" "f488f4a673dd4f4e9e2ab6cdf7c1ecdc253d2350a89356a6dd506447baab59c9"`
[INFO] [stderr]    Compiling cntr-nix v0.11.3-pre1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::os::unix::io::RawFd`
[INFO] [stderr]  --> test/sys/test_select.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::os::unix::io::RawFd;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.67s
[INFO] running `"docker" "inspect" "f488f4a673dd4f4e9e2ab6cdf7c1ecdc253d2350a89356a6dd506447baab59c9"`
[INFO] running `"docker" "rm" "-f" "f488f4a673dd4f4e9e2ab6cdf7c1ecdc253d2350a89356a6dd506447baab59c9"`
[INFO] [stdout] f488f4a673dd4f4e9e2ab6cdf7c1ecdc253d2350a89356a6dd506447baab59c9