[INFO] cloning repository https://github.com/weiwei/rhyme-es
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/weiwei/rhyme-es" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fweiwei%2Frhyme-es", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fweiwei%2Frhyme-es'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 36040dadd7753df90490d1130874a881886ee43b
[INFO] testing weiwei/rhyme-es against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fweiwei%2Frhyme-es" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/weiwei/rhyme-es 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] removed /workspace/builds/worker-12/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/weiwei/rhyme-es
[INFO] finished tweaking git repo https://github.com/weiwei/rhyme-es
[INFO] tweaked toml for git repo https://github.com/weiwei/rhyme-es written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/weiwei/rhyme-es 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive v1.0.127
[INFO] [stderr]   Downloaded cpufeatures v0.1.5
[INFO] [stderr]   Downloaded serde v1.0.127
[INFO] [stderr]   Downloaded rocket_cors v0.5.2
[INFO] [stderr]   Downloaded tinyvec v1.3.1
[INFO] [stderr]   Downloaded universal-hash v0.4.1
[INFO] [stderr]   Downloaded libc v0.2.99
[INFO] [stderr]   Downloaded fsevent v0.4.0
[INFO] [stderr]   Downloaded bincode v1.3.3
[INFO] [stderr]   Downloaded inotify v0.7.1
[INFO] [stderr]   Downloaded notify v4.0.17
[INFO] [stderr]   Downloaded proc-macro2 v1.0.28
[INFO] [stderr]   Downloaded serde_json v1.0.66
[INFO] [stderr]   Downloaded sha2 v0.9.5
[INFO] [stderr]   Downloaded syn v1.0.74
[INFO] [stderr]   Downloaded crypto-mac v0.10.1
[INFO] [stderr]   Downloaded bitflags v1.3.1
[INFO] [stderr]   Downloaded rocket_codegen v0.4.10
[INFO] [stderr]   Downloaded rocket_http v0.4.10
[INFO] [stderr]   Downloaded rocket_contrib v0.4.10
[INFO] [stderr]   Downloaded unicase_serde v0.1.0
[INFO] [stderr]   Downloaded unicode-bidi v0.3.6
[INFO] [stderr]   Downloaded rocket v0.4.10
[INFO] [stderr]   Downloaded fsevent-sys v2.0.1
[INFO] [stderr]   Downloaded syllabize-es v0.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] b858431463c122358e5a64b92263c2d38e7a41af49f052e307f0e3ca57351f5a
[INFO] running `Command { std: "docker" "start" "-a" "b858431463c122358e5a64b92263c2d38e7a41af49f052e307f0e3ca57351f5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b858431463c122358e5a64b92263c2d38e7a41af49f052e307f0e3ca57351f5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b858431463c122358e5a64b92263c2d38e7a41af49f052e307f0e3ca57351f5a", kill_on_drop: false }`
[INFO] [stdout] b858431463c122358e5a64b92263c2d38e7a41af49f052e307f0e3ca57351f5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 6c7de92a07efa36ad165d8d8ff4b259dd41be39103ba19a124bb1a90f606215c
[INFO] running `Command { std: "docker" "start" "-a" "6c7de92a07efa36ad165d8d8ff4b259dd41be39103ba19a124bb1a90f606215c", 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]    Compiling libc v0.2.99
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling unicode-bidi v0.3.6
[INFO] [stderr]    Compiling bitflags v1.3.1
[INFO] [stderr]    Compiling cpuid-bool v0.2.0
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling cpufeatures v0.1.5
[INFO] [stderr]    Compiling state v0.4.2
[INFO] [stderr]    Compiling slab v0.4.4
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling syllabize-es v0.5.1
[INFO] [stderr]    Compiling tinyvec v1.3.1
[INFO] [stderr]    Compiling pear_codegen v0.1.4
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]    Compiling rocket_codegen v0.4.10
[INFO] [stderr]    Compiling rocket v0.4.10
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling universal-hash v0.4.1
[INFO] [stderr]    Compiling crypto-mac v0.10.1
[INFO] [stderr]    Compiling aead v0.3.2
[INFO] [stderr]    Compiling aes-soft v0.6.4
[INFO] [stderr]    Compiling ctr v0.6.0
[INFO] [stderr]    Compiling sha2 v0.9.5
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling polyval v0.4.5
[INFO] [stderr]    Compiling hmac v0.10.1
[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/syllabize-es-0.5.1/src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(test)]
[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 `syllabize-es` 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" "6c7de92a07efa36ad165d8d8ff4b259dd41be39103ba19a124bb1a90f606215c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c7de92a07efa36ad165d8d8ff4b259dd41be39103ba19a124bb1a90f606215c", kill_on_drop: false }`
[INFO] [stdout] 6c7de92a07efa36ad165d8d8ff4b259dd41be39103ba19a124bb1a90f606215c