[INFO] crate mutate_once 0.1.1 is already in cache
[INFO] testing mutate_once-0.1.1 against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] extracting crate mutate_once 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate mutate_once 0.1.1 on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate mutate_once 0.1.1
[INFO] finished tweaking crates.io crate mutate_once 0.1.1
[INFO] tweaked toml for crates.io crate mutate_once 0.1.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stdout] 33ee38546642fc98fa86919d65d950e5078cf18cae41eb9240c44c1ee8e4a89d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "33ee38546642fc98fa86919d65d950e5078cf18cae41eb9240c44c1ee8e4a89d"`
[INFO] [stderr]    Compiling mutate_once v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `"docker" "inspect" "33ee38546642fc98fa86919d65d950e5078cf18cae41eb9240c44c1ee8e4a89d"`
[INFO] running `"docker" "rm" "-f" "33ee38546642fc98fa86919d65d950e5078cf18cae41eb9240c44c1ee8e4a89d"`
[INFO] [stdout] 33ee38546642fc98fa86919d65d950e5078cf18cae41eb9240c44c1ee8e4a89d
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f250ae25fbeaae67176203652b73d338cea22e048142b5a676133dc471262275
[INFO] running `"docker" "start" "-a" "f250ae25fbeaae67176203652b73d338cea22e048142b5a676133dc471262275"`
[INFO] [stderr]    Compiling mutate_once v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `"docker" "inspect" "f250ae25fbeaae67176203652b73d338cea22e048142b5a676133dc471262275"`
[INFO] running `"docker" "rm" "-f" "f250ae25fbeaae67176203652b73d338cea22e048142b5a676133dc471262275"`
[INFO] [stdout] f250ae25fbeaae67176203652b73d338cea22e048142b5a676133dc471262275
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] af441192662e3aca9cab8d77326168ebe5c562c93e63949507896b4ed2fbc48c
[INFO] running `"docker" "start" "-a" "af441192662e3aca9cab8d77326168ebe5c562c93e63949507896b4ed2fbc48c"`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mutate_once-2a09fbe627b20927
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tests::from ... ok
[INFO] [stdout] test tests::into_inner ... ok
[INFO] [stdout] test tests::default ... ok
[INFO] [stdout] test tests::temporary_value ... ok
[INFO] [stdout] test tests::repeated_muts ... ok
[INFO] [stdout] test tests::multiple_refs ... ok
[INFO] [stdout] test tests::mut_after_ref ... ok
[INFO] [stdout] test tests::multiple_muts ... ok
[INFO] [stdout] test tests::ref_while_mut ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/getter-443d1f7c257aab7e
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test collection ... ok
[INFO] [stderr]    Doc-tests mutate_once
[INFO] [stdout] test single ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - MutOnce<T>::get_mut (line 108) ... ok
[INFO] [stdout] test src/lib.rs - MutOnce<T>::get_mut (line 117) ... ok
[INFO] [stdout] test src/lib.rs - MutOnce<T>::get_mut (line 125) ... ok
[INFO] [stdout] test src/lib.rs - MutOnce<T>::get_ref (line 160) ... ok
[INFO] [stdout] test src/lib.rs - MutOnce<T>::get_ref (line 152) ... ok
[INFO] [stdout] test src/lib.rs - MutOnce (line 59) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "af441192662e3aca9cab8d77326168ebe5c562c93e63949507896b4ed2fbc48c"`
[INFO] running `"docker" "rm" "-f" "af441192662e3aca9cab8d77326168ebe5c562c93e63949507896b4ed2fbc48c"`
[INFO] [stdout] af441192662e3aca9cab8d77326168ebe5c562c93e63949507896b4ed2fbc48c