[INFO] cloning repository https://github.com/dthul/swissrpg-discord-bot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dthul/swissrpg-discord-bot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdthul%2Fswissrpg-discord-bot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdthul%2Fswissrpg-discord-bot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4b0d1b9093eba8243c117e124cfd5bcc90135aa0
[INFO] documenting dthul/swissrpg-discord-bot against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdthul%2Fswissrpg-discord-bot" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dthul/swissrpg-discord-bot on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dthul/swissrpg-discord-bot
[INFO] finished tweaking git repo https://github.com/dthul/swissrpg-discord-bot
[INFO] tweaked toml for git repo https://github.com/dthul/swissrpg-discord-bot written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/dthul/swissrpg-discord-bot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 99f21b75f02fc2e6943dd8fee3dbb17757a3e5fa990e920a0729ce26fb0fb01d
[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" "99f21b75f02fc2e6943dd8fee3dbb17757a3e5fa990e920a0729ce26fb0fb01d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "99f21b75f02fc2e6943dd8fee3dbb17757a3e5fa990e920a0729ce26fb0fb01d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99f21b75f02fc2e6943dd8fee3dbb17757a3e5fa990e920a0729ce26fb0fb01d", kill_on_drop: false }`
[INFO] [stdout] 99f21b75f02fc2e6943dd8fee3dbb17757a3e5fa990e920a0729ce26fb0fb01d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "RUSTDOCFLAGS=--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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3bf6d7209334b12cc70afbd37b0cd9be196408047d230b868473fc58b62efb42
[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" "3bf6d7209334b12cc70afbd37b0cd9be196408047d230b868473fc58b62efb42", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.14
[INFO] [stderr]    Compiling futures-sink v0.3.14
[INFO] [stderr]    Compiling cpufeatures v0.1.0
[INFO] [stderr]    Compiling heapless v0.6.1
[INFO] [stderr]    Compiling httpdate v1.0.0
[INFO] [stderr]    Compiling serenity v0.10.5
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling pdqselect v0.1.0
[INFO] [stderr]     Checking smol_str v0.1.17
[INFO] [stderr]     Checking robust v0.2.3
[INFO] [stderr]    Compiling scoped-tls v1.0.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.19
[INFO] [stderr]    Compiling typemap_rev v0.1.5
[INFO] [stderr]    Compiling simple-error v0.2.3
[INFO] [stderr]    Compiling signal-hook v0.3.8
[INFO] [stderr]     Checking assert-impl v0.1.3
[INFO] [stderr]    Compiling backtrace v0.3.58
[INFO] [stderr]    Compiling cookie v0.15.0
[INFO] [stderr]    Compiling input_buffer v0.4.0
[INFO] [stderr]    Compiling geographiclib-rs v0.2.0
[INFO] [stderr]    Compiling hash32 v0.1.1
[INFO] [stderr]    Compiling itertools v0.10.0
[INFO] [stderr]    Compiling input_buffer v0.3.1
[INFO] [stderr]     Checking proc-macro2 v1.0.26
[INFO] [stderr]    Compiling futures-channel v0.3.14
[INFO] [stderr]    Compiling httparse v1.4.0
[INFO] [stderr]    Compiling http-body v0.4.1
[INFO] [stderr]    Compiling headers-core v0.2.0
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling socket2 v0.4.0
[INFO] [stderr]    Compiling twoway v0.1.8
[INFO] [stderr]    Compiling buf_redux v0.8.4
[INFO] [stderr]    Compiling mio v0.7.11
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling generic-array v0.13.3
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking indexmap v1.6.2
[INFO] [stderr]     Checking ahash v0.7.2
[INFO] [stderr]    Compiling regex v1.5.3
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]    Compiling approx v0.4.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling sha-1 v0.9.5
[INFO] [stderr]    Compiling sha2 v0.9.4
[INFO] [stderr]    Compiling as-slice v0.1.5
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]     Checking tokio v1.5.0
[INFO] [stderr]    Compiling futures-util v0.3.14
[INFO] [stderr]    Compiling pin-project v1.0.7
[INFO] [stderr]    Compiling thiserror v1.0.24
[INFO] [stderr]     Checking syn v1.0.72
[INFO] [stderr]    Compiling headers v0.3.4
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr] error: could not compile `regex`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name regex --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-1.5.3/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="aho-corasick"' --cfg 'feature="default"' --cfg 'feature="memchr"' --cfg 'feature="perf"' --cfg 'feature="perf-cache"' --cfg 'feature="perf-dfa"' --cfg 'feature="perf-inline"' --cfg 'feature="perf-literal"' --cfg 'feature="std"' --cfg 'feature="unicode"' --cfg 'feature="unicode-age"' --cfg 'feature="unicode-bool"' --cfg 'feature="unicode-case"' --cfg 'feature="unicode-gencat"' --cfg 'feature="unicode-perl"' --cfg 'feature="unicode-script"' --cfg 'feature="unicode-segment"' -C metadata=6243d73e4ef559fa -C extra-filename=-6243d73e4ef559fa --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern aho_corasick=/opt/rustwide/target/debug/deps/libaho_corasick-f751c074981e5308.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-0721f17babcb5610.rmeta --extern regex_syntax=/opt/rustwide/target/debug/deps/libregex_syntax-b672c9191f2c7225.rmeta --cap-lints allow` (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" "3bf6d7209334b12cc70afbd37b0cd9be196408047d230b868473fc58b62efb42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bf6d7209334b12cc70afbd37b0cd9be196408047d230b868473fc58b62efb42", kill_on_drop: false }`
[INFO] [stdout] 3bf6d7209334b12cc70afbd37b0cd9be196408047d230b868473fc58b62efb42
