[INFO] cloning repository https://github.com/White-Oak/coki-jit
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/White-Oak/coki-jit" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWhite-Oak%2Fcoki-jit", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWhite-Oak%2Fcoki-jit'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4fcd90f1789936132c1edc2dab7d62f76db39ed1
[INFO] testing White-Oak/coki-jit against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWhite-Oak%2Fcoki-jit" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/White-Oak/coki-jit 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/White-Oak/coki-jit
[INFO] finished tweaking git repo https://github.com/White-Oak/coki-jit
[INFO] tweaked toml for git repo https://github.com/White-Oak/coki-jit written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/White-Oak/coki-jit 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]  Downloading crates ...
[INFO] [stderr]   Downloaded strsim v0.4.0
[INFO] [stderr]   Downloaded yaml-rust v0.3.0
[INFO] [stderr]   Downloaded clap v2.1.0
[INFO] [stderr]   Downloaded aho-corasick v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] de5c46dfb5fe8ce13c65e76c99e6a6e1d1be86216e62520ae921b09ad3c09658
[INFO] running `Command { std: "docker" "start" "-a" "de5c46dfb5fe8ce13c65e76c99e6a6e1d1be86216e62520ae921b09ad3c09658", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de5c46dfb5fe8ce13c65e76c99e6a6e1d1be86216e62520ae921b09ad3c09658", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de5c46dfb5fe8ce13c65e76c99e6a6e1d1be86216e62520ae921b09ad3c09658", kill_on_drop: false }`
[INFO] [stdout] de5c46dfb5fe8ce13c65e76c99e6a6e1d1be86216e62520ae921b09ad3c09658
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ba18d225951ee13e6f59f44ec86488c8f6be750eef8d14d8832e4fb5c250de7
[INFO] running `Command { std: "docker" "start" "-a" "5ba18d225951ee13e6f59f44ec86488c8f6be750eef8d14d8832e4fb5c250de7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.7
[INFO] [stderr]    Compiling regex-syntax v0.2.2
[INFO] [stderr]    Compiling coki_grammar v0.1.0 (/opt/rustwide/workdir/grammar)
[INFO] [stderr]    Compiling vec_map v0.4.0
[INFO] [stderr]    Compiling strsim v0.4.0
[INFO] [stderr]    Compiling bitflags v0.4.0
[INFO] [stderr]    Compiling ansi_term v0.7.2
[INFO] [stderr]    Compiling yaml-rust v0.3.0
[INFO] [stderr]    Compiling memchr v0.1.10
[INFO] [stderr]    Compiling coki_jitter v0.1.0 (/opt/rustwide/workdir/jitter)
[INFO] [stderr]    Compiling aho-corasick v0.4.1
[INFO] [stdout] error[E0433]: failed to resolve: could not find `heap` in `alloc`
[INFO] [stdout]   --> jitter/src/jit.rs:15:16
[INFO] [stdout]    |
[INFO] [stdout] 15 |         alloc::heap::allocate(size, alignment)
[INFO] [stdout]    |                ^^^^ could not find `heap` in `alloc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `heap` in `alloc`
[INFO] [stdout]   --> jitter/src/jit.rs:19:16
[INFO] [stdout]    |
[INFO] [stdout] 19 |         alloc::heap::deallocate(addr, size, alignment)
[INFO] [stdout]    |                ^^^^ could not find `heap` in `alloc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> jitter/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(alloc)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> jitter/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(heap_api)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0433, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `coki_jitter` due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "5ba18d225951ee13e6f59f44ec86488c8f6be750eef8d14d8832e4fb5c250de7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ba18d225951ee13e6f59f44ec86488c8f6be750eef8d14d8832e4fb5c250de7", kill_on_drop: false }`
[INFO] [stdout] 5ba18d225951ee13e6f59f44ec86488c8f6be750eef8d14d8832e4fb5c250de7