[INFO] crate trackable 0.2.23 is already in cache
[INFO] testing trackable-0.2.23 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate trackable 0.2.23 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate trackable 0.2.23 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate trackable 0.2.23
[INFO] finished tweaking crates.io crate trackable 0.2.23
[INFO] tweaked toml for crates.io crate trackable 0.2.23 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate trackable 0.2.23 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f62989f1b9ea5894a7240bd66be8670c54c8390988609a3d0c1ea9afcf3402ab
[INFO] running `"docker" "start" "-a" "f62989f1b9ea5894a7240bd66be8670c54c8390988609a3d0c1ea9afcf3402ab"`
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling trackable_derive v0.1.2
[INFO] [stderr]    Compiling trackable v0.2.23 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.44s
[INFO] running `"docker" "inspect" "f62989f1b9ea5894a7240bd66be8670c54c8390988609a3d0c1ea9afcf3402ab"`
[INFO] running `"docker" "rm" "-f" "f62989f1b9ea5894a7240bd66be8670c54c8390988609a3d0c1ea9afcf3402ab"`
[INFO] [stdout] f62989f1b9ea5894a7240bd66be8670c54c8390988609a3d0c1ea9afcf3402ab
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"`
[INFO] [stdout] 92d5bbf878edbab9442574fd94a84c01022cf3330c5b565ba3476bc29bfe188a
[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" "92d5bbf878edbab9442574fd94a84c01022cf3330c5b565ba3476bc29bfe188a"`
[INFO] [stderr]    Compiling trackable v0.2.23 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variant is never constructed: `NonCritical`
[INFO] [stderr]    --> src/error.rs:505:13
[INFO] [stderr]     |
[INFO] [stderr] 505 |             NonCritical,
[INFO] [stderr]     |             ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.33s
[INFO] running `"docker" "inspect" "92d5bbf878edbab9442574fd94a84c01022cf3330c5b565ba3476bc29bfe188a"`
[INFO] running `"docker" "rm" "-f" "92d5bbf878edbab9442574fd94a84c01022cf3330c5b565ba3476bc29bfe188a"`
[INFO] [stdout] 92d5bbf878edbab9442574fd94a84c01022cf3330c5b565ba3476bc29bfe188a
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+28742a1146f10a4f09369baad027a464acb7a766" "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] 0e9ef34f421d5240a5413ce56bf6528f0564e12556cac1447b6f414cb060bf89
[INFO] running `"docker" "start" "-a" "0e9ef34f421d5240a5413ce56bf6528f0564e12556cac1447b6f414cb060bf89"`
[INFO] [stderr] warning: variant is never constructed: `NonCritical`
[INFO] [stderr]    --> src/error.rs:505:13
[INFO] [stderr]     |
[INFO] [stderr] 505 |             NonCritical,
[INFO] [stderr]     |             ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/trackable-61e614ec809c77c2
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test macros::test::track_assert_works ... ok
[INFO] [stdout] test error::test::it_works ... ok
[INFO] [stdout] test macros::test::track_works ... ok
[INFO] [stdout] test test::it_works ... ok
[INFO] [stdout] test macros::test::track_try_unwrap_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests trackable
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test src/error.rs - error::TrackableError (line 331) ... ok
[INFO] [stdout] test src/lib.rs -  (line 6) ... ok
[INFO] [stdout] test src/macros.rs - derive_traits_for_trackable_error_newtype (line 450) ... ok
[INFO] [stdout] test src/lib.rs - Location::new (line 258) ... ok
[INFO] [stdout] test src/macros.rs - track_panic (line 329) ... ok
[INFO] [stdout] test src/macros.rs - track_try_unwrap (line 406) ... ok
[INFO] [stdout] test src/error.rs - error::ErrorKindExt::cause (line 211) ... ok
[INFO] [stdout] test src/error.rs - error::ErrorKindExt::error (line 195) ... ok
[INFO] [stdout] test src/macros.rs - track_assert_some (line 267) ... ok
[INFO] [stdout] test src/lib.rs - Trackable (line 83) ... ok
[INFO] [stdout] test src/lib.rs - History (line 183) ... ok
[INFO] [stdout] test src/macros.rs - track (line 9) ... ok
[INFO] [stdout] test src/error.rs - error::ErrorKindExt::takes_over (line 232) ... ok
[INFO] [stdout] test src/error.rs - error::TrackableError (line 282) ... ok
[INFO] [stdout] test src/macros.rs - track_assert (line 132) ... ok
[INFO] [stdout] test src/macros.rs - track_panic (line 349) ... ok
[INFO] [stdout] test src/error.rs - error (line 5) ... ok
[INFO] [stdout] test src/macros.rs - track_any_err (line 80) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "0e9ef34f421d5240a5413ce56bf6528f0564e12556cac1447b6f414cb060bf89"`
[INFO] running `"docker" "rm" "-f" "0e9ef34f421d5240a5413ce56bf6528f0564e12556cac1447b6f414cb060bf89"`
[INFO] [stdout] 0e9ef34f421d5240a5413ce56bf6528f0564e12556cac1447b6f414cb060bf89