[INFO] cloning repository https://github.com/bailion/ophelia
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bailion/ophelia" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbailion%2Fophelia", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbailion%2Fophelia'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 28f680e34c9c0689f5767349fcffe414fd456a06
[INFO] checking bailion/ophelia against 1.55.0 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbailion%2Fophelia" "/workspace/builds/worker-108/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-108/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bailion/ophelia 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] removed /workspace/builds/worker-108/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/bailion/ophelia
[INFO] finished tweaking git repo https://github.com/bailion/ophelia
[INFO] tweaked toml for git repo https://github.com/bailion/ophelia written to /workspace/builds/worker-108/source/Cargo.toml
[INFO] crate git repo https://github.com/bailion/ophelia 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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] 82b35457d8581f12b2de07e6a6ee153bd7d847ad1e910d4f4721bbdebd773c3e
[INFO] running `Command { std: "docker" "start" "-a" "82b35457d8581f12b2de07e6a6ee153bd7d847ad1e910d4f4721bbdebd773c3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "82b35457d8581f12b2de07e6a6ee153bd7d847ad1e910d4f4721bbdebd773c3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82b35457d8581f12b2de07e6a6ee153bd7d847ad1e910d4f4721bbdebd773c3e", kill_on_drop: false }`
[INFO] [stdout] 82b35457d8581f12b2de07e6a6ee153bd7d847ad1e910d4f4721bbdebd773c3e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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] 89e7c114ce9c6d784385adc00e28033c5d1307ce99ac6e8439a521fe2b3b2886
[INFO] running `Command { std: "docker" "start" "-a" "89e7c114ce9c6d784385adc00e28033c5d1307ce99ac6e8439a521fe2b3b2886", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling honggfuzz v0.5.51
[INFO] [stderr]     Checking ophelia_logic v0.1.0 (/opt/rustwide/workdir/logic)
[INFO] [stderr]     Checking arbitrary v0.4.7
[INFO] [stderr]     Checking bindings v0.1.0 (/opt/rustwide/workdir/bindings)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> logic/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(box_syntax)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> logic/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(box_syntax)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ophelia_logic` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to previous error
[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" "89e7c114ce9c6d784385adc00e28033c5d1307ce99ac6e8439a521fe2b3b2886", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89e7c114ce9c6d784385adc00e28033c5d1307ce99ac6e8439a521fe2b3b2886", kill_on_drop: false }`
[INFO] [stdout] 89e7c114ce9c6d784385adc00e28033c5d1307ce99ac6e8439a521fe2b3b2886
