[INFO] fetching crate tokio-file 0.6.0...
[INFO] testing tokio-file-0.6.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate tokio-file 0.6.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate tokio-file 0.6.0 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 tokio-file 0.6.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate tokio-file 0.6.0
[INFO] tweaked toml for crates.io crate tokio-file 0.6.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate tokio-file 0.6.0 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nix v0.21.0
[INFO] [stderr]   Downloaded sysctl v0.1.4
[INFO] [stderr]   Downloaded mio-aio v0.5.0
[INFO] [stderr]   Downloaded galvanic-test v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 398720903e0d4f4716131572fb8386ee21924a09c50181a71a84b080c32865cd
[INFO] running `Command { std: "docker" "start" "-a" "398720903e0d4f4716131572fb8386ee21924a09c50181a71a84b080c32865cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "398720903e0d4f4716131572fb8386ee21924a09c50181a71a84b080c32865cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "398720903e0d4f4716131572fb8386ee21924a09c50181a71a84b080c32865cd", kill_on_drop: false }`
[INFO] [stdout] 398720903e0d4f4716131572fb8386ee21924a09c50181a71a84b080c32865cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] e96a2170b2210512ad10307c0eeaa40c29a3e9af0302063401f9ba756afe34d7
[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" "e96a2170b2210512ad10307c0eeaa40c29a3e9af0302063401f9ba756afe34d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling futures-sink v0.3.15
[INFO] [stderr]    Compiling futures-io v0.3.15
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling net2 v0.2.35
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling nix v0.21.0
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling tokio v0.2.24
[INFO] [stderr]    Compiling mio-aio v0.5.0
[INFO] [stdout] error[E0599]: no variant named `SigevKevent` found for enum `SigevNotify`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mio-aio-0.5.0/src/aio.rs:115:34
[INFO] [stdout]     |
[INFO] [stdout] 115 |         let sigev = SigevNotify::SigevKevent{kq, udata: udata as isize};
[INFO] [stdout]     |                                  ^^^^^^^^^^^ variant not found in `SigevNotify`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_lio` found for struct `UnixReady` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mio-aio-0.5.0/src/aio.rs:263:41
[INFO] [stdout]     |
[INFO] [stdout] 263 |         assert!(UnixReady::from(events).is_lio());
[INFO] [stdout]     |                                         ^^^^^^ help: there is an associated function with a similar name: `is_aio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant named `SigevKevent` found for enum `SigevNotify`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mio-aio-0.5.0/src/aio.rs:266:34
[INFO] [stdout]     |
[INFO] [stdout] 266 |         let sigev = SigevNotify::SigevKevent{kq, udata: udata as isize};
[INFO] [stdout]     |                                  ^^^^^^^^^^^ variant not found in `SigevNotify`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mio-aio` due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "e96a2170b2210512ad10307c0eeaa40c29a3e9af0302063401f9ba756afe34d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e96a2170b2210512ad10307c0eeaa40c29a3e9af0302063401f9ba756afe34d7", kill_on_drop: false }`
[INFO] [stdout] e96a2170b2210512ad10307c0eeaa40c29a3e9af0302063401f9ba756afe34d7