[INFO] fetching crate chord2key 0.1.1...
[INFO] testing chord2key-0.1.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate chord2key 0.1.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate chord2key 0.1.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate chord2key 0.1.1
[INFO] finished tweaking crates.io crate chord2key 0.1.1
[INFO] tweaked toml for crates.io crate chord2key 0.1.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate chord2key 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] daf8a569b47a0fabb4816a8a94dec563e962667876ce9608283491b57a80cd1e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "daf8a569b47a0fabb4816a8a94dec563e962667876ce9608283491b57a80cd1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "daf8a569b47a0fabb4816a8a94dec563e962667876ce9608283491b57a80cd1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "daf8a569b47a0fabb4816a8a94dec563e962667876ce9608283491b57a80cd1e", kill_on_drop: false }`
[INFO] [stdout] daf8a569b47a0fabb4816a8a94dec563e962667876ce9608283491b57a80cd1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf832463192564415ba34ca40baabefaea5c22552a6f6551ebbe66be622ea81f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bf832463192564415ba34ca40baabefaea5c22552a6f6551ebbe66be622ea81f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]    Compiling funty v1.2.0
[INFO] [stderr]    Compiling strum v0.11.0
[INFO] [stderr]    Compiling num-bigint v0.4.0
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling strum_macros v0.11.0
[INFO] [stderr]    Compiling nix v0.20.0
[INFO] [stderr]    Compiling num v0.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling bitvec v0.21.2
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling evdev v0.11.0
[INFO] [stderr]    Compiling chord2key v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.21s
[INFO] running `Command { std: "docker" "inspect" "bf832463192564415ba34ca40baabefaea5c22552a6f6551ebbe66be622ea81f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf832463192564415ba34ca40baabefaea5c22552a6f6551ebbe66be622ea81f", kill_on_drop: false }`
[INFO] [stdout] bf832463192564415ba34ca40baabefaea5c22552a6f6551ebbe66be622ea81f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b4862aceb5d9bc55f99435c4b996f2e3f101fbb0af8e52c2bb3ced9becff965c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b4862aceb5d9bc55f99435c4b996f2e3f101fbb0af8e52c2bb3ced9becff965c", kill_on_drop: false }`
[INFO] [stderr]    Compiling chord2key v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.40s
[INFO] running `Command { std: "docker" "inspect" "b4862aceb5d9bc55f99435c4b996f2e3f101fbb0af8e52c2bb3ced9becff965c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4862aceb5d9bc55f99435c4b996f2e3f101fbb0af8e52c2bb3ced9becff965c", kill_on_drop: false }`
[INFO] [stdout] b4862aceb5d9bc55f99435c4b996f2e3f101fbb0af8e52c2bb3ced9becff965c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b186daf4699a993ad5a1f6883a7dc0523c2c723aaaf9122dfb2bbc00247ab0e2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b186daf4699a993ad5a1f6883a7dc0523c2c723aaaf9122dfb2bbc00247ab0e2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/chord2key-7f919dff305ab85a)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/chord2key-22e481524093714b)
[INFO] [stdout] test attribute_set::tests::duplicates ... ok
[INFO] [stdout] test mapping::thresholds::tests::axis_thresholds_loose_add ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/guided_tests-145a8320642ecabe)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/input_test-87cf20e54be628c6)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests chord2key
[INFO] [stdout] 
[INFO] [stdout] running 57 tests
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name chord2key --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitvec=/opt/rustwide/target/debug/deps/libbitvec-76dc6b61fa81a21e.rlib --extern chord2key=/opt/rustwide/target/debug/deps/libchord2key-e059fc11133ebac2.rlib --extern evdev=/opt/rustwide/target/debug/deps/libevdev-4765e3180b07a387.rlib --extern num=/opt/rustwide/target/debug/deps/libnum-eadceea09a4aeee0.rlib --extern num_derive=/opt/rustwide/target/debug/deps/libnum_derive-356dfb98e420a535.so --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-07bce94835c38406.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-570662ab729a88c0.rlib --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-dd43224c738f8d5c.rlib --extern strum=/opt/rustwide/target/debug/deps/libstrum-13a8ce55474cf235.rlib --extern strum_macros=/opt/rustwide/target/debug/deps/libstrum_macros-2ae2ea9d64352b82.so -C embed-bitcode=no --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "b186daf4699a993ad5a1f6883a7dc0523c2c723aaaf9122dfb2bbc00247ab0e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b186daf4699a993ad5a1f6883a7dc0523c2c723aaaf9122dfb2bbc00247ab0e2", kill_on_drop: false }`
[INFO] [stdout] b186daf4699a993ad5a1f6883a7dc0523c2c723aaaf9122dfb2bbc00247ab0e2