[INFO] cloning repository https://github.com/RealKC/saucenao-discord-bot-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RealKC/saucenao-discord-bot-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRealKC%2Fsaucenao-discord-bot-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRealKC%2Fsaucenao-discord-bot-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4a6913e6aa4e7c5eb9108ecf912be7ae39870b2c
[INFO] testing RealKC/saucenao-discord-bot-rs against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRealKC%2Fsaucenao-discord-bot-rs" "/workspace/builds/worker-39/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-39/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/RealKC/saucenao-discord-bot-rs 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] removed /workspace/builds/worker-39/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/RealKC/saucenao-discord-bot-rs
[INFO] finished tweaking git repo https://github.com/RealKC/saucenao-discord-bot-rs
[INFO] tweaked toml for git repo https://github.com/RealKC/saucenao-discord-bot-rs written to /workspace/builds/worker-39/source/Cargo.toml
[INFO] crate git repo https://github.com/RealKC/saucenao-discord-bot-rs 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]     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-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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] [stdout] d128f308e73a3fbc53ec56c6b475b85f947414b59518441ea7886d3c87e1a1ff
[INFO] running `Command { std: "docker" "start" "-a" "d128f308e73a3fbc53ec56c6b475b85f947414b59518441ea7886d3c87e1a1ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d128f308e73a3fbc53ec56c6b475b85f947414b59518441ea7886d3c87e1a1ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d128f308e73a3fbc53ec56c6b475b85f947414b59518441ea7886d3c87e1a1ff", kill_on_drop: false }`
[INFO] [stdout] d128f308e73a3fbc53ec56c6b475b85f947414b59518441ea7886d3c87e1a1ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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] d1d4c2c24616d73218005e23500679a93530a0b1a82e35998b558c53ef521457
[INFO] running `Command { std: "docker" "start" "-a" "d1d4c2c24616d73218005e23500679a93530a0b1a82e35998b558c53ef521457", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling pin-project-lite v0.2.4
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling siphasher v0.3.3
[INFO] [stderr]    Compiling serde_json v1.0.62
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling futures-task v0.3.16
[INFO] [stderr]    Compiling futures-sink v0.3.16
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]    Compiling futures-io v0.3.16
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling utf-8 v0.7.5
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling httparse v1.3.5
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling mac v0.1.1
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling byteorder v1.4.2
[INFO] [stderr]    Compiling try-lock v0.2.3
[INFO] [stderr]    Compiling tower-service v0.3.1
[INFO] [stderr]    Compiling httpdate v0.3.2
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]    Compiling regex-syntax v0.6.22
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling mime v0.3.16
[INFO] [stderr]    Compiling cpuid-bool v0.1.2
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling ipnet v2.3.0
[INFO] [stderr]    Compiling serenity v0.10.8 (https://github.com/serenity-rs/serenity?branch=current#413e3eff)
[INFO] [stderr]    Compiling strfmt v0.1.6
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling uwl v0.6.0
[INFO] [stderr]    Compiling typemap_rev v0.1.4
[INFO] [stderr]    Compiling urlencoding v1.1.1
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling dotenv v0.15.0
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling tracing-core v0.1.18
[INFO] [stderr]    Compiling tokio v1.9.0
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling sharded-slab v0.1.1
[INFO] [stderr]    Compiling futf v0.1.4
[INFO] [stderr] error: could not compile `bytes`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name bytes --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/bytes-0.5.6/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="default"' --cfg 'feature="std"' -C metadata=a265f3aec633bc55 -C extra-filename=-a265f3aec633bc55 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --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" "d1d4c2c24616d73218005e23500679a93530a0b1a82e35998b558c53ef521457", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1d4c2c24616d73218005e23500679a93530a0b1a82e35998b558c53ef521457", kill_on_drop: false }`
[INFO] [stdout] d1d4c2c24616d73218005e23500679a93530a0b1a82e35998b558c53ef521457