[INFO] cloning repository https://github.com/ayes-web/boomer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ayes-web/boomer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fayes-web%2Fboomer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fayes-web%2Fboomer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b249131b43daff5cd1671580cf4e23c53372e6f1
[INFO] testing ayes-web/boomer against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fayes-web%2Fboomer" "/workspace/builds/worker-56/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-56/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ayes-web/boomer on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ayes-web/boomer
[INFO] finished tweaking git repo https://github.com/ayes-web/boomer
[INFO] tweaked toml for git repo https://github.com/ayes-web/boomer written to /workspace/builds/worker-56/source/Cargo.toml
[INFO] crate git repo https://github.com/ayes-web/boomer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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 syn v1.0.39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e85974fdca2b0721df4636f57131803df9d0bf6afd5e87e6defa51ff1a3e80d1
[INFO] running `Command { std: "docker" "start" "-a" "e85974fdca2b0721df4636f57131803df9d0bf6afd5e87e6defa51ff1a3e80d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e85974fdca2b0721df4636f57131803df9d0bf6afd5e87e6defa51ff1a3e80d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e85974fdca2b0721df4636f57131803df9d0bf6afd5e87e6defa51ff1a3e80d1", kill_on_drop: false }`
[INFO] [stdout] e85974fdca2b0721df4636f57131803df9d0bf6afd5e87e6defa51ff1a3e80d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f039f0854afcd3c6ba6d06f1b417b91ddab21a8051e1630b9cd4613d455c69f5
[INFO] running `Command { std: "docker" "start" "-a" "f039f0854afcd3c6ba6d06f1b417b91ddab21a8051e1630b9cd4613d455c69f5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling once_cell v1.4.1
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling cc v1.0.59
[INFO] [stderr]    Compiling futures-core v0.3.5
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling futures-sink v0.3.5
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling arc-swap v0.4.7
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling futures-io v0.3.5
[INFO] [stderr]    Compiling pin-project-lite v0.1.7
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling tinyvec v0.3.4
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling encoding_rs v0.8.23
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling tower-service v0.3.0
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling dtoa v0.4.6
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling utf-8 v0.7.5
[INFO] [stderr]    Compiling serenity v0.9.0-rc.0
[INFO] [stderr]    Compiling typemap_rev v0.1.3
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling uwl v0.6.0
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling indexmap v1.5.1
[INFO] [stderr]    Compiling tracing-core v0.1.14
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling input_buffer v0.3.1
[INFO] [stderr]    Compiling unicode-normalization v0.1.13
[INFO] [stderr]    Compiling futures-channel v0.3.5
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr] error: could not compile `idna`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name idna /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/idna-0.2.0/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 -C metadata=a13a597b647a4e76 -C extra-filename=-a13a597b647a4e76 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern matches=/opt/rustwide/target/debug/deps/libmatches-ec882efcf894febd.rmeta --extern unicode_bidi=/opt/rustwide/target/debug/deps/libunicode_bidi-502fc641a5064811.rmeta --extern unicode_normalization=/opt/rustwide/target/debug/deps/libunicode_normalization-6a75afc3b21dd490.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" "f039f0854afcd3c6ba6d06f1b417b91ddab21a8051e1630b9cd4613d455c69f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f039f0854afcd3c6ba6d06f1b417b91ddab21a8051e1630b9cd4613d455c69f5", kill_on_drop: false }`
[INFO] [stdout] f039f0854afcd3c6ba6d06f1b417b91ddab21a8051e1630b9cd4613d455c69f5