[INFO] cloning repository https://github.com/Cam0Cow/BookFace
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Cam0Cow/BookFace" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCam0Cow%2FBookFace", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCam0Cow%2FBookFace'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3a2a3f78323e4bad22e006496cf80d2e4cef896b
[INFO] testing Cam0Cow/BookFace against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCam0Cow%2FBookFace" "/workspace/builds/worker-21/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-21/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Cam0Cow/BookFace 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/Cam0Cow/BookFace
[INFO] finished tweaking git repo https://github.com/Cam0Cow/BookFace
[INFO] tweaked toml for git repo https://github.com/Cam0Cow/BookFace written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] crate git repo https://github.com/Cam0Cow/BookFace 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 num_cpus v1.2.0
[INFO] [stderr]   Downloaded unicode-bidi v0.2.4
[INFO] [stderr]   Downloaded term v0.4.4
[INFO] [stderr]   Downloaded url v1.2.4
[INFO] [stderr]   Downloaded hyper v0.9.14
[INFO] [stderr]   Downloaded unicode-normalization v0.1.3
[INFO] [stderr]   Downloaded rocket_codegen v0.1.3
[INFO] [stderr]   Downloaded rocket v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] 56a2be9c63e51b71bcb6356404459c7fbbee9cb41d028347c6768c2f42715f55
[INFO] running `Command { std: "docker" "start" "-a" "56a2be9c63e51b71bcb6356404459c7fbbee9cb41d028347c6768c2f42715f55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "56a2be9c63e51b71bcb6356404459c7fbbee9cb41d028347c6768c2f42715f55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56a2be9c63e51b71bcb6356404459c7fbbee9cb41d028347c6768c2f42715f55", kill_on_drop: false }`
[INFO] [stdout] 56a2be9c63e51b71bcb6356404459c7fbbee9cb41d028347c6768c2f42715f55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] f7d3ac95b537a0dbde500ed18a09dd0a0437ca64551d23e0cabbcb2c2c871c18
[INFO] running `Command { std: "docker" "start" "-a" "f7d3ac95b537a0dbde500ed18a09dd0a0437ca64551d23e0cabbcb2c2c871c18", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling matches v0.1.4
[INFO] [stderr]    Compiling unicode-normalization v0.1.3
[INFO] [stderr]    Compiling log v0.3.6
[INFO] [stderr]    Compiling libc v0.2.18
[INFO] [stderr]    Compiling rustc-serialize v0.3.22
[INFO] [stderr]    Compiling ansi_term v0.9.0
[INFO] [stderr]    Compiling traitobject v0.0.1
[INFO] [stderr]    Compiling httparse v1.2.1
[INFO] [stderr]    Compiling typeable v0.1.2
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling unicode-bidi v0.2.4
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling num_cpus v1.2.0
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling hpack v0.2.0
[INFO] [stderr]    Compiling mime v0.2.2
[INFO] [stderr]    Compiling idna v0.1.0
[INFO] [stderr]    Compiling rocket_codegen v0.1.3
[INFO] [stderr]    Compiling unicase v1.4.0
[INFO] [stderr]    Compiling solicit v0.4.4
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rocket_codegen-0.1.3/build.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(slice_patterns)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `slice_patterns` has been stable since 1.42.0 and no longer requires an attribute to enable
[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 `rocket_codegen` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "f7d3ac95b537a0dbde500ed18a09dd0a0437ca64551d23e0cabbcb2c2c871c18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7d3ac95b537a0dbde500ed18a09dd0a0437ca64551d23e0cabbcb2c2c871c18", kill_on_drop: false }`
[INFO] [stdout] f7d3ac95b537a0dbde500ed18a09dd0a0437ca64551d23e0cabbcb2c2c871c18