[INFO] fetching crate irc 0.14.1...
[INFO] testing irc-0.14.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate irc 0.14.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate irc 0.14.1 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate irc 0.14.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate irc 0.14.1
[INFO] tweaked toml for crates.io crate irc 0.14.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate irc 0.14.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.65
[INFO] [stderr]   Downloaded js-sys v0.3.42
[INFO] [stderr]   Downloaded tokio-rustls v0.14.0
[INFO] [stderr]   Downloaded rustls v0.18.0
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.65
[INFO] [stderr]   Downloaded tokio-socks v0.3.0
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.65
[INFO] [stderr]   Downloaded args v2.2.0
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.65
[INFO] [stderr]   Downloaded web-sys v0.3.42
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] 10a7d8cf6c33dd69b2bc2a1b8e1604481f6989db894f294d58b7f82dbcbc0495
[INFO] running `Command { std: "docker" "start" "-a" "10a7d8cf6c33dd69b2bc2a1b8e1604481f6989db894f294d58b7f82dbcbc0495", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10a7d8cf6c33dd69b2bc2a1b8e1604481f6989db894f294d58b7f82dbcbc0495", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10a7d8cf6c33dd69b2bc2a1b8e1604481f6989db894f294d58b7f82dbcbc0495", kill_on_drop: false }`
[INFO] [stdout] 10a7d8cf6c33dd69b2bc2a1b8e1604481f6989db894f294d58b7f82dbcbc0495
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", 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] 9c0b6a5bfcd9454d0b0d9607e02dc61bda64366af4c45e0abcab4078679d1886
[INFO] running `Command { std: "docker" "start" "-a" "9c0b6a5bfcd9454d0b0d9607e02dc61bda64366af4c45e0abcab4078679d1886", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling futures-core v0.3.5
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling pin-project-lite v0.1.7
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling futures-sink v0.3.5
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling instant v0.1.6
[INFO] [stderr]    Compiling smallvec v1.4.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]    Compiling once_cell v1.4.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling futures-io v0.3.5
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling bufstream v0.1.4
[INFO] [stderr]    Compiling encoding-index-japanese v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-korean v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling futures-channel v0.3.5
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling lock_api v0.4.1
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling encoding v0.2.33
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling net2 v0.2.34
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling parking_lot_core v0.8.0
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling parking_lot v0.11.0
[INFO] [stderr]    Compiling chrono v0.4.13
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling tokio v0.2.22
[INFO] [stderr]    Compiling thiserror v1.0.20
[INFO] [stderr]    Compiling pin-project v0.4.22
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling tokio-tls v0.3.1
[INFO] [stderr]    Compiling irc-proto v0.14.0
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling irc v0.14.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 39s
[INFO] running `Command { std: "docker" "inspect" "9c0b6a5bfcd9454d0b0d9607e02dc61bda64366af4c45e0abcab4078679d1886", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c0b6a5bfcd9454d0b0d9607e02dc61bda64366af4c45e0abcab4078679d1886", kill_on_drop: false }`
[INFO] [stdout] 9c0b6a5bfcd9454d0b0d9607e02dc61bda64366af4c45e0abcab4078679d1886
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a0a4d5d2f9cf1e90462de2ef1f56e7c0f559730cc0793d75d2e5401869537a8
[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" "9a0a4d5d2f9cf1e90462de2ef1f56e7c0f559730cc0793d75d2e5401869537a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.31
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling futures-executor v0.3.5
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling futures v0.3.5
[INFO] [stderr]    Compiling args v2.2.0
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling irc v0.14.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `irc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name irc --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test --cfg 'feature="ctcp"' --cfg 'feature="default"' --cfg 'feature="native-tls"' --cfg 'feature="serde"' --cfg 'feature="serde_derive"' --cfg 'feature="tls-native"' --cfg 'feature="tokio-tls"' --cfg 'feature="toml"' --cfg 'feature="toml_config"' -C metadata=63ad8ea553ba4866 -C extra-filename=-63ad8ea553ba4866 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-232222388afe3c69.rlib --extern args=/opt/rustwide/target/debug/deps/libargs-2b3dfa492d65db87.rlib --extern bufstream=/opt/rustwide/target/debug/deps/libbufstream-60b41adb62e152e8.rlib --extern bytes=/opt/rustwide/target/debug/deps/libbytes-ae8e0e99d586d290.rlib --extern chrono=/opt/rustwide/target/debug/deps/libchrono-a30a1288d4e46194.rlib --extern encoding=/opt/rustwide/target/debug/deps/libencoding-7a984fccb177eca6.rlib --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-2318d910d465c88f.rlib --extern futures=/opt/rustwide/target/debug/deps/libfutures-9149bead19123df7.rlib --extern futures_channel=/opt/rustwide/target/debug/deps/libfutures_channel-05c1ec9d923fc7b4.rlib --extern futures_util=/opt/rustwide/target/debug/deps/libfutures_util-578ca1a594304971.rlib --extern getopts=/opt/rustwide/target/debug/deps/libgetopts-c518f965bc486c62.rlib --extern irc_proto=/opt/rustwide/target/debug/deps/libirc_proto-b4c1129c0cafa02e.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-93afe3d9087c158b.rlib --extern native_tls=/opt/rustwide/target/debug/deps/libnative_tls-1b79c521094adf4b.rlib --extern parking_lot=/opt/rustwide/target/debug/deps/libparking_lot-ef665731e5c52ea7.rlib --extern pin_utils=/opt/rustwide/target/debug/deps/libpin_utils-16ce9e91f7781613.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-2206691596047e35.rlib --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-2870a375db3c23c2.so --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-a92359c697768d21.rlib --extern tokio=/opt/rustwide/target/debug/deps/libtokio-c99344bc2b3a8e9f.rlib --extern tokio_tls=/opt/rustwide/target/debug/deps/libtokio_tls-bd2f4ebbc8a8e9d2.rlib --extern tokio_util=/opt/rustwide/target/debug/deps/libtokio_util-76badeab521431fe.rlib --extern toml=/opt/rustwide/target/debug/deps/libtoml-dec3691c8b7f5822.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" "9a0a4d5d2f9cf1e90462de2ef1f56e7c0f559730cc0793d75d2e5401869537a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a0a4d5d2f9cf1e90462de2ef1f56e7c0f559730cc0793d75d2e5401869537a8", kill_on_drop: false }`
[INFO] [stdout] 9a0a4d5d2f9cf1e90462de2ef1f56e7c0f559730cc0793d75d2e5401869537a8