[INFO] crate mio 0.6.22 is already in cache
[INFO] testing mio-0.6.22 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate mio 0.6.22 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate mio 0.6.22 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mio 0.6.22
[INFO] removed 1 missing tests
[INFO] finished tweaking crates.io crate mio 0.6.22
[INFO] tweaked toml for crates.io crate mio 0.6.22 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fdf1de84a59ef1158ebbfd0ddd15179cf700dec2732611231666661dcf5171fa
[INFO] running `Command { std: "docker" "start" "-a" "fdf1de84a59ef1158ebbfd0ddd15179cf700dec2732611231666661dcf5171fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fdf1de84a59ef1158ebbfd0ddd15179cf700dec2732611231666661dcf5171fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdf1de84a59ef1158ebbfd0ddd15179cf700dec2732611231666661dcf5171fa", kill_on_drop: false }`
[INFO] [stdout] fdf1de84a59ef1158ebbfd0ddd15179cf700dec2732611231666661dcf5171fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a7e57152c59d47d8a5eccccb9a52ec44af2a484faedec9f03352e848d6109ed
[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" "7a7e57152c59d47d8a5eccccb9a52ec44af2a484faedec9f03352e848d6109ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling mio v0.6.22 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.56s
[INFO] running `Command { std: "docker" "inspect" "7a7e57152c59d47d8a5eccccb9a52ec44af2a484faedec9f03352e848d6109ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a7e57152c59d47d8a5eccccb9a52ec44af2a484faedec9f03352e848d6109ed", kill_on_drop: false }`
[INFO] [stdout] 7a7e57152c59d47d8a5eccccb9a52ec44af2a484faedec9f03352e848d6109ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c856ae3a451dae1a144d296385bd6734283b4454921b83507dc70baedfd938c
[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" "4c856ae3a451dae1a144d296385bd6734283b4454921b83507dc70baedfd938c", kill_on_drop: false }`
[INFO] [stderr]    Compiling mio v0.6.22 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.65s
[INFO] running `Command { std: "docker" "inspect" "4c856ae3a451dae1a144d296385bd6734283b4454921b83507dc70baedfd938c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c856ae3a451dae1a144d296385bd6734283b4454921b83507dc70baedfd938c", kill_on_drop: false }`
[INFO] [stdout] 4c856ae3a451dae1a144d296385bd6734283b4454921b83507dc70baedfd938c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 074c551205f8062d11b336feee0173f7eacb56c3093d3e7d9808e087fc2c36fa
[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" "074c551205f8062d11b336feee0173f7eacb56c3093d3e7d9808e087fc2c36fa", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mio-f639445f519900e2
[INFO] [stdout] 
[INFO] [stdout] running 29 tests
[INFO] [stdout] test lazycell::tests::test_borrow_mut_with ... ok
[INFO] [stdout] test lazycell::tests::test_atomic_fill_and_borrow ... ok
[INFO] [stdout] test lazycell::tests::test_borrow_from_empty ... ok
[INFO] [stdout] test lazycell::tests::test_borrow_mut ... ok
[INFO] [stdout] test lazycell::tests::test_atomic_into_inner ... ok
[INFO] [stdout] test lazycell::tests::test_atomic_already_filled_panic ... ok
[INFO] [stdout] test lazycell::tests::test_borrow_mut_with_not_called_when_filled ... ok
[INFO] [stdout] test lazycell::tests::test_into_inner ... ok
[INFO] [stdout] test lazycell::tests::test_try_borrow_mut_with_already_filled ... ok
[INFO] [stdout] test lazycell::tests::test_try_borrow_mut_with_err ... ok
[INFO] [stdout] test lazycell::tests::test_borrow_with_not_called_when_filled ... ok
[INFO] [stdout] test lazycell::tests::test_try_borrow_mut_with_ok ... ok
[INFO] [stdout] test lazycell::tests::test_try_borrow_with_already_filled ... ok
[INFO] [stdout] test lazycell::tests::test_try_borrow_with_err ... ok
[INFO] [stdout] test lazycell::tests::test_try_borrow_with_ok ... ok
[INFO] [stdout] test lazycell::tests::test_fill_and_borrow ... ok
[INFO] [stdout] test lazycell::tests::normal_replace ... ok
[INFO] [stdout] test lazycell::tests::test_borrow_with_already_filled ... ok
[INFO] [stdout] test event_imp::test_debug_pollopt ... ok
[INFO] [stdout] test lazycell::tests::test_borrow_with ... ok
[INFO] [stdout] test event_imp::test_debug_ready ... ok
[INFO] [stdout] test lazycell::tests::atomic_replace ... ok
[INFO] [stdout] test lazycell::tests::test_atomic_borrow_from_empty ... ok
[INFO] [stdout] test lazycell::tests::test_borrow_mut_with_already_filled ... ok
[INFO] [stdout] test lazycell::tests::test_already_filled_error ... ok
[INFO] [stdout] test poll::as_raw_fd ... ok
[INFO] [stdout] test sys::unix::ready::test_ready_all ... ok
[INFO] [stdout] test lazycell::tests::test_try_borrow_with_sound_with_reentrancy ... ok
[INFO] [stdout] test lazycell::tests::test_borrow_with_sound_with_reentrancy ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 29 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mio
[INFO] [stdout] 
[INFO] [stdout] running 79 tests
[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 --test /opt/rustwide/workdir/src/lib.rs --crate-name mio -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cfg 'feature="default"' --cfg 'feature="with-deprecated"' --extern bytes=/opt/rustwide/target/debug/deps/libbytes-8dcc0df725901d70.rlib --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-727e218cbe4629d5.rlib --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-699fb34639ea4889.rlib --extern iovec=/opt/rustwide/target/debug/deps/libiovec-f844988195678a81.rlib --extern libc=/opt/rustwide/target/debug/deps/liblibc-1da13201d615d981.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-51760c8d9f0a0b95.rlib --extern mio=/opt/rustwide/target/debug/deps/libmio-728923754d6ccef7.rlib --extern net2=/opt/rustwide/target/debug/deps/libnet2-0d7f4416e167f4dd.rlib --extern slab=/opt/rustwide/target/debug/deps/libslab-e0e9bebbbea2c5c2.rlib --extern tempdir=/opt/rustwide/target/debug/deps/libtempdir-eaf49a79aa4e25df.rlib` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "074c551205f8062d11b336feee0173f7eacb56c3093d3e7d9808e087fc2c36fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "074c551205f8062d11b336feee0173f7eacb56c3093d3e7d9808e087fc2c36fa", kill_on_drop: false }`
[INFO] [stdout] 074c551205f8062d11b336feee0173f7eacb56c3093d3e7d9808e087fc2c36fa