[INFO] cloning repository https://github.com/tazz4843/serenity-rs_boilerplate
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tazz4843/serenity-rs_boilerplate" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftazz4843%2Fserenity-rs_boilerplate", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftazz4843%2Fserenity-rs_boilerplate'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 134b34ec4fa6f355a5a3ab238909d5f17fb5e390
[INFO] checking tazz4843/serenity-rs_boilerplate against 1.55.0 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftazz4843%2Fserenity-rs_boilerplate" "/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/tazz4843/serenity-rs_boilerplate 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] started tweaking git repo https://github.com/tazz4843/serenity-rs_boilerplate
[INFO] finished tweaking git repo https://github.com/tazz4843/serenity-rs_boilerplate
[INFO] tweaked toml for git repo https://github.com/tazz4843/serenity-rs_boilerplate written to /workspace/builds/worker-39/source/Cargo.toml
[INFO] crate git repo https://github.com/tazz4843/serenity-rs_boilerplate 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thread_local v1.1.3
[INFO] [stderr]   Downloaded tracing-attributes v0.1.15
[INFO] [stderr]   Downloaded tracing-serde v0.1.2
[INFO] [stderr]   Downloaded tracing-subscriber v0.2.19
[INFO] [stderr]   Downloaded futures-executor v0.3.15
[INFO] [stderr]   Downloaded flate2 v1.0.20
[INFO] [stderr]   Downloaded rustls v0.19.1
[INFO] [stderr]   Downloaded async-trait v0.1.50
[INFO] [stderr]   Downloaded dirs-sys v0.3.6
[INFO] [stderr]   Downloaded dirs v3.0.2
[INFO] [stderr]   Downloaded stringprep v0.1.2
[INFO] [stderr]   Downloaded tokio-stream v0.1.7
[INFO] [stderr]   Downloaded sqlx v0.5.5
[INFO] [stderr]   Downloaded matchers v0.0.1
[INFO] [stderr]   Downloaded atoi v0.4.0
[INFO] [stderr]   Downloaded hashlink v0.7.0
[INFO] [stderr]   Downloaded unicode_categories v0.1.1
[INFO] [stderr]   Downloaded sha2 v0.9.5
[INFO] [stderr]   Downloaded whoami v1.1.2
[INFO] [stderr]   Downloaded lexical-core v0.7.6
[INFO] [stderr]   Downloaded maplit v1.0.2
[INFO] [stderr]   Downloaded sharded-slab v0.1.1
[INFO] [stderr]   Downloaded sqlx-rt v0.5.5
[INFO] [stderr]   Downloaded tokio v1.8.1
[INFO] [stderr]   Downloaded build_const v0.2.2
[INFO] [stderr]   Downloaded sct v0.6.1
[INFO] [stderr]   Downloaded hyper-rustls v0.22.1
[INFO] [stderr]   Downloaded typemap_rev v0.1.5
[INFO] [stderr]   Downloaded bitvec v0.19.5
[INFO] [stderr]   Downloaded md-5 v0.9.1
[INFO] [stderr]   Downloaded sqlformat v0.1.6
[INFO] [stderr]   Downloaded cpufeatures v0.1.5
[INFO] [stderr]   Downloaded async-tungstenite v0.11.0
[INFO] [stderr]   Downloaded webpki v0.21.4
[INFO] [stderr]   Downloaded sha-1 v0.9.6
[INFO] [stderr]   Downloaded tokio-rustls v0.22.0
[INFO] [stderr]   Downloaded futures v0.3.15
[INFO] [stderr]   Downloaded webpki-roots v0.21.1
[INFO] [stderr]   Downloaded futures-macro v0.3.15
[INFO] [stderr]   Downloaded untrusted v0.7.1
[INFO] [stderr]   Downloaded ansi_term v0.12.1
[INFO] [stderr]   Downloaded syn v1.0.73
[INFO] [stderr]   Downloaded ahash v0.7.4
[INFO] [stderr]   Downloaded hyper v0.14.10
[INFO] [stderr]   Downloaded sqlx-core v0.5.5
[INFO] [stderr]   Downloaded sqlx-macros v0.5.5
[INFO] [stderr]   Downloaded ring v0.16.20
[INFO] [stderr]   Downloaded uwl v0.6.0
[INFO] [stderr]   Downloaded tracing-log v0.1.2
[INFO] [stderr]   Downloaded libc v0.2.98
[INFO] [stderr]   Downloaded redox_syscall v0.2.9
[INFO] [stderr]   Downloaded webpki-roots v0.20.0
[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] 4ce19aa21b85895a049b99f34199457f00ac98390f5d9ac91a4e898d2c286901
[INFO] running `Command { std: "docker" "start" "-a" "4ce19aa21b85895a049b99f34199457f00ac98390f5d9ac91a4e898d2c286901", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ce19aa21b85895a049b99f34199457f00ac98390f5d9ac91a4e898d2c286901", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ce19aa21b85895a049b99f34199457f00ac98390f5d9ac91a4e898d2c286901", kill_on_drop: false }`
[INFO] [stdout] 4ce19aa21b85895a049b99f34199457f00ac98390f5d9ac91a4e898d2c286901
[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" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec3f39b006130f70e6d076d8c37df5251f5d07aa5ed364282f0ea13aabc2546d
[INFO] running `Command { std: "docker" "start" "-a" "ec3f39b006130f70e6d076d8c37df5251f5d07aa5ed364282f0ea13aabc2546d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking futures-io v0.3.15
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling build_const v0.2.2
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]     Checking httpdate v1.0.1
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]    Compiling whoami v1.1.2
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]    Compiling futures-sink v0.3.15
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling slab v0.4.3
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling serenity v0.10.8 (https://github.com/serenity-rs/serenity?branch=current#6192107f)
[INFO] [stderr]     Checking ipnet v2.3.1
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling funty v1.1.0
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]     Checking typemap_rev v0.1.5
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]     Checking uwl v0.6.0
[INFO] [stderr]    Compiling cpufeatures v0.1.5
[INFO] [stderr]    Compiling subtle v2.4.0
[INFO] [stderr]    Compiling unicode_categories v0.1.1
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling dotenv v0.15.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling ahash v0.7.4
[INFO] [stderr]    Compiling tokio v1.8.1
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking instant v0.1.10
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking sharded-slab v0.1.1
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking stringprep v0.1.2
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking sha-1 v0.9.6
[INFO] [stderr]     Checking md-5 v0.9.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr] error: could not compile `cc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name cc --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cc-1.0.69/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=e1cad49e2af5acfa -C extra-filename=-e1cad49e2af5acfa --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" "ec3f39b006130f70e6d076d8c37df5251f5d07aa5ed364282f0ea13aabc2546d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec3f39b006130f70e6d076d8c37df5251f5d07aa5ed364282f0ea13aabc2546d", kill_on_drop: false }`
[INFO] [stdout] ec3f39b006130f70e6d076d8c37df5251f5d07aa5ed364282f0ea13aabc2546d
