[INFO] fetching crate toio 0.1.4...
[INFO] testing toio-0.1.4 against 1.55.0 for beta-1.56-1
[INFO] extracting crate toio 0.1.4 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate toio 0.1.4 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 toio 0.1.4
[INFO] finished tweaking crates.io crate toio 0.1.4
[INFO] tweaked toml for crates.io crate toio 0.1.4 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate toio 0.1.4 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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 5dc47c61793f2e05c3bd1636dcf99e3d464b4cf8424aa809f75444fa5054f7ae
[INFO] running `Command { std: "docker" "start" "-a" "5dc47c61793f2e05c3bd1636dcf99e3d464b4cf8424aa809f75444fa5054f7ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5dc47c61793f2e05c3bd1636dcf99e3d464b4cf8424aa809f75444fa5054f7ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5dc47c61793f2e05c3bd1636dcf99e3d464b4cf8424aa809f75444fa5054f7ae", kill_on_drop: false }`
[INFO] [stdout] 5dc47c61793f2e05c3bd1636dcf99e3d464b4cf8424aa809f75444fa5054f7ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 5ec36fa0ff4e2e62d2a6eb090cac6811919060ef86f942fd08998f6b627319f2
[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" "5ec36fa0ff4e2e62d2a6eb090cac6811919060ef86f942fd08998f6b627319f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]    Compiling proc-macro-nested v0.1.5
[INFO] [stderr]    Compiling arc-swap v0.4.7
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling futures-channel v0.3.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling signal-hook-registry v1.2.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling hex-literal-impl v0.2.2
[INFO] [stderr]    Compiling hex-literal v0.2.1
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.20
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]    Compiling derive-new v0.5.8
[INFO] [stderr]    Compiling async-trait v0.1.35
[INFO] [stderr]    Compiling serde_repr v0.1.5
[INFO] [stderr]    Compiling tokio v0.2.21
[INFO] [stderr]    Compiling pin-project v0.4.20
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling futures-executor v0.3.5
[INFO] [stderr]    Compiling futures v0.3.5
[INFO] [stderr]    Compiling toio v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.77s
[INFO] running `Command { std: "docker" "inspect" "5ec36fa0ff4e2e62d2a6eb090cac6811919060ef86f942fd08998f6b627319f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ec36fa0ff4e2e62d2a6eb090cac6811919060ef86f942fd08998f6b627319f2", kill_on_drop: false }`
[INFO] [stdout] 5ec36fa0ff4e2e62d2a6eb090cac6811919060ef86f942fd08998f6b627319f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] a38c2bc7b49870bdda8f9130694430f0b19dc78ed98cc7feaa3f2e5e05fc5def
[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" "a38c2bc7b49870bdda8f9130694430f0b19dc78ed98cc7feaa3f2e5e05fc5def", kill_on_drop: false }`
[INFO] [stderr]    Compiling toio v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `toio`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name toio --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=ad4fce9c95ebe516 -C extra-filename=-ad4fce9c95ebe516 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-6fd697f1349da5f5.rlib --extern async_trait=/opt/rustwide/target/debug/deps/libasync_trait-228aa7cb73205b41.so --extern bytes=/opt/rustwide/target/debug/deps/libbytes-1c6e9ee66138d64d.rlib --extern chrono=/opt/rustwide/target/debug/deps/libchrono-4aac583545c6c05a.rlib --extern derive_new=/opt/rustwide/target/debug/deps/libderive_new-58e9bcfa7c2a75d9.so --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-1efbe2b0ed296b12.rlib --extern futures=/opt/rustwide/target/debug/deps/libfutures-7fdb73f0942a655b.rlib --extern hex_literal=/opt/rustwide/target/debug/deps/libhex_literal-00d00de148ff6d39.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-ef319cfe97d0a4d1.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-c3b9e7195b10fd1c.rlib --extern serde_repr=/opt/rustwide/target/debug/deps/libserde_repr-c557445c05589d8d.so --extern tokio=/opt/rustwide/target/debug/deps/libtokio-5e36e9134d1132d6.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "a38c2bc7b49870bdda8f9130694430f0b19dc78ed98cc7feaa3f2e5e05fc5def", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a38c2bc7b49870bdda8f9130694430f0b19dc78ed98cc7feaa3f2e5e05fc5def", kill_on_drop: false }`
[INFO] [stdout] a38c2bc7b49870bdda8f9130694430f0b19dc78ed98cc7feaa3f2e5e05fc5def