[INFO] fetching crate discord-retention-bot 1.0.2...
[INFO] building discord-retention-bot-1.0.2 against master#461e8078010433ff7de2db2aaae8a3cfb0847215 for pr-94962
[INFO] extracting crate discord-retention-bot 1.0.2 into /workspace/builds/worker-95/source
[INFO] validating manifest of crates.io crate discord-retention-bot 1.0.2 on toolchain 461e8078010433ff7de2db2aaae8a3cfb0847215
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate discord-retention-bot 1.0.2
[INFO] finished tweaking crates.io crate discord-retention-bot 1.0.2
[INFO] tweaked toml for crates.io crate discord-retention-bot 1.0.2 written to /workspace/builds/worker-95/source/Cargo.toml
[INFO] crate crates.io crate discord-retention-bot 1.0.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "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 futures-macro v0.3.8
[INFO] [stderr]   Downloaded futures v0.3.8
[INFO] [stderr]   Downloaded futures-executor v0.3.8
[INFO] [stderr]   Downloaded async-tungstenite v0.9.3
[INFO] [stderr]   Downloaded anyhow v1.0.35
[INFO] [stderr]   Downloaded env_logger v0.8.2
[INFO] [stderr]   Downloaded tokio-test v0.3.0
[INFO] [stderr]   Downloaded sha-1 v0.9.2
[INFO] [stderr]   Downloaded thiserror-impl v1.0.22
[INFO] [stderr]   Downloaded wasm-bindgen-test v0.3.19
[INFO] [stderr]   Downloaded humantime v2.0.1
[INFO] [stderr]   Downloaded wasm-bindgen-test-macro v0.3.19
[INFO] [stderr]   Downloaded typemap_rev v0.1.4
[INFO] [stderr]   Downloaded thiserror v1.0.22
[INFO] [stderr]   Downloaded serenity v0.9.2
[INFO] [stderr]   Downloaded tokio v0.3.5
[INFO] [stderr]   Downloaded ring v0.16.19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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@sha256:1ede1414886370302e694df474b9877c02906499f04c196936ce0973d30c5eaa" "/opt/rustwide/cargo-home/bin/cargo" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 07944f9488827634e67760ed4c28039e3c4361961077ac7b83fa4b8b4e0bb702
[INFO] running `Command { std: "docker" "start" "-a" "07944f9488827634e67760ed4c28039e3c4361961077ac7b83fa4b8b4e0bb702", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07944f9488827634e67760ed4c28039e3c4361961077ac7b83fa4b8b4e0bb702", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07944f9488827634e67760ed4c28039e3c4361961077ac7b83fa4b8b4e0bb702", kill_on_drop: false }`
[INFO] [stdout] 07944f9488827634e67760ed4c28039e3c4361961077ac7b83fa4b8b4e0bb702
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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@sha256:1ede1414886370302e694df474b9877c02906499f04c196936ce0973d30c5eaa" "/opt/rustwide/cargo-home/bin/cargo" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 315ceafd5b03749f8a6442a8d731610d79a83a88334f1c65aaa52f48c516b010
[INFO] running `Command { std: "docker" "start" "-a" "315ceafd5b03749f8a6442a8d731610d79a83a88334f1c65aaa52f48c516b010", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.53
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling futures-core v0.3.8
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling futures-sink v0.3.8
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling pin-project-lite v0.1.11
[INFO] [stderr]    Compiling futures-io v0.3.8
[INFO] [stderr]    Compiling pin-project-lite v0.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling base64 v0.12.3
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling try-lock v0.2.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling httpdate v0.3.2
[INFO] [stderr]    Compiling serde_json v1.0.60
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling cpuid-bool v0.1.2
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling encoding_rs v0.8.26
[INFO] [stderr]    Compiling tower-service v0.3.0
[INFO] [stderr]    Compiling mime v0.3.16
[INFO] [stderr]    Compiling utf-8 v0.7.5
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling serenity v0.9.2
[INFO] [stderr]    Compiling ipnet v2.3.0
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling anyhow v1.0.35
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling typemap_rev v0.1.4
[INFO] [stderr]    Compiling humantime v2.0.1
[INFO] [stderr]    Compiling dotenv v0.15.0
[INFO] [stderr]    Compiling futures-task v0.3.8
[INFO] [stderr]    Compiling tracing-core v0.1.17
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling futures-channel v0.3.8
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling unicase v2.6.0
[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,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="std"' -C metadata=522c9d77a2dcfe3d -C extra-filename=-522c9d77a2dcfe3d --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" "315ceafd5b03749f8a6442a8d731610d79a83a88334f1c65aaa52f48c516b010", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "315ceafd5b03749f8a6442a8d731610d79a83a88334f1c65aaa52f48c516b010", kill_on_drop: false }`
[INFO] [stdout] 315ceafd5b03749f8a6442a8d731610d79a83a88334f1c65aaa52f48c516b010