[INFO] cloning repository https://github.com/Learath2/discordbot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Learath2/discordbot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLearath2%2Fdiscordbot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLearath2%2Fdiscordbot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7af392abac29dba4ce7dc7e78c62aecfcb32a413
[INFO] testing Learath2/discordbot against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLearath2%2Fdiscordbot" "/workspace/builds/worker-34/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-34/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Learath2/discordbot on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Learath2/discordbot
[INFO] finished tweaking git repo https://github.com/Learath2/discordbot
[INFO] tweaked toml for git repo https://github.com/Learath2/discordbot written to /workspace/builds/worker-34/source/Cargo.toml
[INFO] crate git repo https://github.com/Learath2/discordbot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded twilight-cache-inmemory v0.5.2
[INFO] [stderr]   Downloaded twilight-gateway-queue v0.5.0
[INFO] [stderr]   Downloaded twilight-mention v0.5.1
[INFO] [stderr]   Downloaded twilight-gateway v0.5.3
[INFO] [stderr]   Downloaded twilight-model v0.5.3
[INFO] [stderr]   Downloaded security-framework v2.3.0
[INFO] [stderr]   Downloaded twilight-http v0.5.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7490ffc5a548e6dbda7d247c949a5c55aea2f1436acc93d392c5779bde6291f7
[INFO] running `Command { std: "docker" "start" "-a" "7490ffc5a548e6dbda7d247c949a5c55aea2f1436acc93d392c5779bde6291f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7490ffc5a548e6dbda7d247c949a5c55aea2f1436acc93d392c5779bde6291f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7490ffc5a548e6dbda7d247c949a5c55aea2f1436acc93d392c5779bde6291f7", kill_on_drop: false }`
[INFO] [stdout] 7490ffc5a548e6dbda7d247c949a5c55aea2f1436acc93d392c5779bde6291f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 344ceb932aab39df1a32a42728b961e65d18c7152b10b77bf8db89249d9b7923
[INFO] running `Command { std: "docker" "start" "-a" "344ceb932aab39df1a32a42728b961e65d18c7152b10b77bf8db89249d9b7923", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling once_cell v1.7.2
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-io v0.3.15
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling cpufeatures v0.1.4
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling httpdate v1.0.1
[INFO] [stderr]    Compiling funty v1.1.0
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling build_const v0.2.2
[INFO] [stderr]    Compiling wyz v0.2.0
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling whoami v1.1.2
[INFO] [stderr]    Compiling crossbeam-queue v0.3.2
[INFO] [stderr]    Compiling unicode_categories v0.1.1
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling utf-8 v0.7.6
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling dotenv v0.15.0
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling encode_unicode v0.3.6
[INFO] [stderr]    Compiling tokio v1.6.1
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling atomic v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling tracing-core v0.1.18
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling http v0.2.4
[INFO] [stderr]    Compiling httparse v1.4.1
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling ahash v0.7.4
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]    Compiling input_buffer v0.4.0
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling sharded-slab v0.1.1
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr] error: could not compile `tracing-core`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name tracing_core --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tracing-core-0.1.18/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="lazy_static"' --cfg 'feature="std"' -C metadata=c0ca895f144b3436 -C extra-filename=-c0ca895f144b3436 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-86422d76b8bd90ed.rmeta --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" "344ceb932aab39df1a32a42728b961e65d18c7152b10b77bf8db89249d9b7923", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "344ceb932aab39df1a32a42728b961e65d18c7152b10b77bf8db89249d9b7923", kill_on_drop: false }`
[INFO] [stdout] 344ceb932aab39df1a32a42728b961e65d18c7152b10b77bf8db89249d9b7923