[INFO] cloning repository https://github.com/mr-m0nkey/gitbot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mr-m0nkey/gitbot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmr-m0nkey%2Fgitbot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmr-m0nkey%2Fgitbot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 46dd87172da3afefdf5a9164bf88915bd76a7896
[INFO] checking mr-m0nkey/gitbot against 1.55.0 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmr-m0nkey%2Fgitbot" "/workspace/builds/worker-68/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-68/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mr-m0nkey/gitbot 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/mr-m0nkey/gitbot
[INFO] finished tweaking git repo https://github.com/mr-m0nkey/gitbot
[INFO] tweaked toml for git repo https://github.com/mr-m0nkey/gitbot written to /workspace/builds/worker-68/source/Cargo.toml
[INFO] crate git repo https://github.com/mr-m0nkey/gitbot 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 }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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] a48e6cb4c8709aa764687678d7265314a4db8ae004a627edfe58d341e1ce0e44
[INFO] running `Command { std: "docker" "start" "-a" "a48e6cb4c8709aa764687678d7265314a4db8ae004a627edfe58d341e1ce0e44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a48e6cb4c8709aa764687678d7265314a4db8ae004a627edfe58d341e1ce0e44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a48e6cb4c8709aa764687678d7265314a4db8ae004a627edfe58d341e1ce0e44", kill_on_drop: false }`
[INFO] [stdout] a48e6cb4c8709aa764687678d7265314a4db8ae004a627edfe58d341e1ce0e44
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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] fcb5963045a18aef53ebce61fa8af7a39913a41dd20f18f82ee4cbbc5970d49e
[INFO] running `Command { std: "docker" "start" "-a" "fcb5963045a18aef53ebce61fa8af7a39913a41dd20f18f82ee4cbbc5970d49e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling cc v1.0.57
[INFO] [stderr]    Compiling gimli v0.22.0
[INFO] [stderr]    Compiling tinyvec v0.3.3
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling adler v0.2.2
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]    Compiling object v0.20.0
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]    Compiling safemem v0.3.3
[INFO] [stderr]    Compiling subtle v2.2.3
[INFO] [stderr]    Compiling smallvec v1.4.1
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling subtle v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]    Compiling zeroize v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]    Compiling base64 v0.12.3
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]     Checking utf-8 v0.7.5
[INFO] [stderr]    Compiling serenity v0.8.6
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking uwl v0.6.0
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]    Compiling standback v0.2.9
[INFO] [stderr]    Compiling error-chain v0.12.2
[INFO] [stderr]    Compiling time v0.2.16
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]    Compiling pear_codegen v0.1.4
[INFO] [stderr]    Compiling rocket_codegen v0.5.0-dev (https://github.com/SergioBenitez/Rocket#263e39b5)
[INFO] [stderr]    Compiling rocket_codegen v0.4.5
[INFO] [stderr]    Compiling rocket v0.5.0-dev (https://github.com/SergioBenitez/Rocket#263e39b5)
[INFO] [stderr]    Compiling rocket v0.4.5
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling pulldown-cmark v0.2.0
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking lock_api v0.2.0
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling indexmap v1.4.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]    Compiling devise_core v0.3.0 (https://github.com/SergioBenitez/Devise.git?rev=e58b3ac9a#e58b3ac9)
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking input_buffer v0.2.0
[INFO] [stderr]    Compiling command_attr v0.2.0
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking chrono v0.4.13
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]    Compiling miniz_oxide v0.4.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.13
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/devise-934be3a303f7c6d6/e58b3ac/core/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(proc_macro_diagnostic, proc_macro_span)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/devise-934be3a303f7c6d6/e58b3ac/core/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(crate_visibility_modifier)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/devise-934be3a303f7c6d6/e58b3ac/core/src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(concat_idents)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling log v0.3.9
[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-1.0.57/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=921d6ad4ccd00f1d -C extra-filename=-921d6ad4ccd00f1d --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] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "fcb5963045a18aef53ebce61fa8af7a39913a41dd20f18f82ee4cbbc5970d49e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcb5963045a18aef53ebce61fa8af7a39913a41dd20f18f82ee4cbbc5970d49e", kill_on_drop: false }`
[INFO] [stdout] fcb5963045a18aef53ebce61fa8af7a39913a41dd20f18f82ee4cbbc5970d49e
