[INFO] fetching crate keyfn 0.2.1...
[INFO] testing keyfn-0.2.1 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate keyfn 0.2.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate keyfn 0.2.1 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate keyfn 0.2.1
[INFO] finished tweaking crates.io crate keyfn 0.2.1
[INFO] tweaked toml for crates.io crate keyfn 0.2.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate keyfn 0.2.1 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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 3884fb249ac35a55bd9ca9dc73e7ebfa398be3db4969313a42c5a7d1a250c04b
[INFO] running `"docker" "start" "-a" "3884fb249ac35a55bd9ca9dc73e7ebfa398be3db4969313a42c5a7d1a250c04b"`
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling x11 v2.18.2
[INFO] [stderr]    Compiling keyfn v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.68s
[INFO] running `"docker" "inspect" "3884fb249ac35a55bd9ca9dc73e7ebfa398be3db4969313a42c5a7d1a250c04b"`
[INFO] running `"docker" "rm" "-f" "3884fb249ac35a55bd9ca9dc73e7ebfa398be3db4969313a42c5a7d1a250c04b"`
[INFO] [stdout] 3884fb249ac35a55bd9ca9dc73e7ebfa398be3db4969313a42c5a7d1a250c04b
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f4166ad497b34eee0d5a6d5044edae53846a231994ba93476faf713d975b5270
[INFO] running `"docker" "start" "-a" "f4166ad497b34eee0d5a6d5044edae53846a231994ba93476faf713d975b5270"`
[INFO] [stderr]    Compiling keyfn v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.28s
[INFO] running `"docker" "inspect" "f4166ad497b34eee0d5a6d5044edae53846a231994ba93476faf713d975b5270"`
[INFO] running `"docker" "rm" "-f" "f4166ad497b34eee0d5a6d5044edae53846a231994ba93476faf713d975b5270"`
[INFO] [stdout] f4166ad497b34eee0d5a6d5044edae53846a231994ba93476faf713d975b5270
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] e7e6bbd02d5a95437ea3fe5296b3ea3452f358cc485baa0d39288b40e03454e2
[INFO] running `"docker" "start" "-a" "e7e6bbd02d5a95437ea3fe5296b3ea3452f358cc485baa0d39288b40e03454e2"`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/keyfn-04ba71ef91a5e295
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests keyfn
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "e7e6bbd02d5a95437ea3fe5296b3ea3452f358cc485baa0d39288b40e03454e2"`
[INFO] running `"docker" "rm" "-f" "e7e6bbd02d5a95437ea3fe5296b3ea3452f358cc485baa0d39288b40e03454e2"`
[INFO] [stdout] e7e6bbd02d5a95437ea3fe5296b3ea3452f358cc485baa0d39288b40e03454e2