[INFO] fetching crate result_float 0.1.0...
[INFO] testing result_float-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate result_float 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate result_float 0.1.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate result_float 0.1.0
[INFO] finished tweaking crates.io crate result_float 0.1.0
[INFO] tweaked toml for crates.io crate result_float 0.1.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quickcheck v0.6.2
[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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b9fbef19f0f90ea0d8c4f7f7be458ed7d180f88f5a3a8e9c28503e68f31770e
[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" "2b9fbef19f0f90ea0d8c4f7f7be458ed7d180f88f5a3a8e9c28503e68f31770e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b9fbef19f0f90ea0d8c4f7f7be458ed7d180f88f5a3a8e9c28503e68f31770e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b9fbef19f0f90ea0d8c4f7f7be458ed7d180f88f5a3a8e9c28503e68f31770e", kill_on_drop: false }`
[INFO] [stdout] 2b9fbef19f0f90ea0d8c4f7f7be458ed7d180f88f5a3a8e9c28503e68f31770e
[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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 492bb3d57aebbb1330aa4a5f4cde5e123728c9b3543c8d05ab31bab811893900
[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" "492bb3d57aebbb1330aa4a5f4cde5e123728c9b3543c8d05ab31bab811893900", kill_on_drop: false }`
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling result_float v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.47s
[INFO] running `Command { std: "docker" "inspect" "492bb3d57aebbb1330aa4a5f4cde5e123728c9b3543c8d05ab31bab811893900", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "492bb3d57aebbb1330aa4a5f4cde5e123728c9b3543c8d05ab31bab811893900", kill_on_drop: false }`
[INFO] [stdout] 492bb3d57aebbb1330aa4a5f4cde5e123728c9b3543c8d05ab31bab811893900
[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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b9983f6d1ea5a8f2edd965147d95e950a777cdc810114b207aa2409d76ee5a3
[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" "9b9983f6d1ea5a8f2edd965147d95e950a777cdc810114b207aa2409d76ee5a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_test v1.0.130
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling quickcheck v0.6.2
[INFO] [stderr]    Compiling result_float v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.25s
[INFO] running `Command { std: "docker" "inspect" "9b9983f6d1ea5a8f2edd965147d95e950a777cdc810114b207aa2409d76ee5a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b9983f6d1ea5a8f2edd965147d95e950a777cdc810114b207aa2409d76ee5a3", kill_on_drop: false }`
[INFO] [stdout] 9b9983f6d1ea5a8f2edd965147d95e950a777cdc810114b207aa2409d76ee5a3
[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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c48b6f4b4e2272b4138474e47c341f50f4865ef0825857bf5241bcf74637dabc
[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" "c48b6f4b4e2272b4138474e47c341f50f4865ef0825857bf5241bcf74637dabc", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/result_float-c3bde1faea9a08b9)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test tests::test_negative_zero_f64 ... ok
[INFO] [stdout] test tests::test_positive_zero_f64 ... ok
[INFO] [stdout] test tests::test_positive_zero_f32 ... ok
[INFO] [stdout] test tests::test_negative_zero_f32 ... ok
[INFO] [stdout] test tests::floor ... ok
[INFO] [stdout] test tests::hash_f32 ... ok
[INFO] [stdout] test tests::hash_f64 ... ok
[INFO] [stdout] test tests::test_display ... ok
[INFO] [stdout] test tests::test_default ... ok
[INFO] [stdout] test tests::acosh ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests result_float
[INFO] [stdout] 
[INFO] [stdout] running 53 tests
[INFO] [stdout] test src/lib.rs - ResultFloat<F>::exp (line 581) ... ok
[INFO] [stdout] test src/lib.rs - ResultFloat<F>::acosh (line 1115) ... ok
[INFO] [stdout] test src/lib.rs - ResultFloat<F>::cbrt (line 721) ... ok
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name result_float --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern failure=/opt/rustwide/target/debug/deps/libfailure-66f739f54ef1a5f2.rlib --extern failure_derive=/opt/rustwide/target/debug/deps/libfailure_derive-7eaf034eb49ffdec.so --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-45fad5d087c92369.rlib --extern quickcheck=/opt/rustwide/target/debug/deps/libquickcheck-e9104c597400a3b1.rlib --extern result_float=/opt/rustwide/target/debug/deps/libresult_float-7fd72790ffb63a7f.rlib --extern serde_test=/opt/rustwide/target/debug/deps/libserde_test-4571ca8cc30e106f.rlib -C embed-bitcode=no --cfg 'feature="default"' --cfg 'feature="std"' --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "c48b6f4b4e2272b4138474e47c341f50f4865ef0825857bf5241bcf74637dabc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c48b6f4b4e2272b4138474e47c341f50f4865ef0825857bf5241bcf74637dabc", kill_on_drop: false }`
[INFO] [stdout] c48b6f4b4e2272b4138474e47c341f50f4865ef0825857bf5241bcf74637dabc