[INFO] cloning repository https://github.com/MorRutPlz/muffinbot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MorRutPlz/muffinbot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMorRutPlz%2Fmuffinbot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMorRutPlz%2Fmuffinbot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1777e16858777a522527619717e6cd4d1d7de7ce
[INFO] checking MorRutPlz/muffinbot against master#f90b06d7fb00470177516c5881bcec0432cb4f24 for pr-94063
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMorRutPlz%2Fmuffinbot" "/workspace/builds/worker-41/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-41/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MorRutPlz/muffinbot on toolchain f90b06d7fb00470177516c5881bcec0432cb4f24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f90b06d7fb00470177516c5881bcec0432cb4f24" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MorRutPlz/muffinbot
[INFO] finished tweaking git repo https://github.com/MorRutPlz/muffinbot
[INFO] tweaked toml for git repo https://github.com/MorRutPlz/muffinbot written to /workspace/builds/worker-41/source/Cargo.toml
[INFO] crate git repo https://github.com/MorRutPlz/muffinbot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f90b06d7fb00470177516c5881bcec0432cb4f24" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+f90b06d7fb00470177516c5881bcec0432cb4f24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 98dbe405fefce16900de19731f93396579cd9118f4b84d494412f40a7a67b2ea
[INFO] running `Command { std: "docker" "start" "-a" "98dbe405fefce16900de19731f93396579cd9118f4b84d494412f40a7a67b2ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "98dbe405fefce16900de19731f93396579cd9118f4b84d494412f40a7a67b2ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98dbe405fefce16900de19731f93396579cd9118f4b84d494412f40a7a67b2ea", kill_on_drop: false }`
[INFO] [stdout] 98dbe405fefce16900de19731f93396579cd9118f4b84d494412f40a7a67b2ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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=forbid" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+f90b06d7fb00470177516c5881bcec0432cb4f24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] caaadd904c1c34116d2c5cf5abaa6b68d3f4f6897aff31051bb80ec2a2bf33d8
[INFO] running `Command { std: "docker" "start" "-a" "caaadd904c1c34116d2c5cf5abaa6b68d3f4f6897aff31051bb80ec2a2bf33d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]     Checking futures-sink v0.3.15
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]     Checking futures-io v0.3.15
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]    Compiling httparse v1.4.1
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking httpdate v1.0.0
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking cpufeatures v0.1.4
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]    Compiling serenity v0.10.7 (https://github.com/serenity-rs/serenity.git?branch=current#b03d14b9)
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking ipnet v2.3.0
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking typemap_rev v0.1.5
[INFO] [stderr]    Compiling tokio v1.6.0
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking tinyvec v1.2.0
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking unicode-bidi v0.3.5
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]     Checking crc32fast v1.2.1
[INFO] [stderr]     Checking http v0.2.4
[INFO] [stderr]     Checking input_buffer v0.3.1
[INFO] [stderr] error: could not compile `regex-syntax`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name regex_syntax --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-syntax-0.6.25/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 -C metadata=cb7710863b906da5 -C extra-filename=-cb7710863b906da5 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid` (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" "caaadd904c1c34116d2c5cf5abaa6b68d3f4f6897aff31051bb80ec2a2bf33d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "caaadd904c1c34116d2c5cf5abaa6b68d3f4f6897aff31051bb80ec2a2bf33d8", kill_on_drop: false }`
[INFO] [stdout] caaadd904c1c34116d2c5cf5abaa6b68d3f4f6897aff31051bb80ec2a2bf33d8