[INFO] fetching crate cargo-include-licenses 0.0.1...
[INFO] testing cargo-include-licenses-0.0.1 against 1.54.0 for beta-1.55-1
[INFO] extracting crate cargo-include-licenses 0.0.1 into /workspace/builds/worker-103/source
[INFO] validating manifest of crates.io crate cargo-include-licenses 0.0.1 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-include-licenses 0.0.1
[INFO] finished tweaking crates.io crate cargo-include-licenses 0.0.1
[INFO] tweaked toml for crates.io crate cargo-include-licenses 0.0.1 written to /workspace/builds/worker-103/source/Cargo.toml
[INFO] crate crates.io crate cargo-include-licenses 0.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2fd1f750dc4dce014f05ae5113b5e99f4a2df281483f0ff44ec4e3bf0ccfdccd
[INFO] running `Command { std: "docker" "start" "-a" "2fd1f750dc4dce014f05ae5113b5e99f4a2df281483f0ff44ec4e3bf0ccfdccd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2fd1f750dc4dce014f05ae5113b5e99f4a2df281483f0ff44ec4e3bf0ccfdccd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fd1f750dc4dce014f05ae5113b5e99f4a2df281483f0ff44ec4e3bf0ccfdccd", kill_on_drop: false }`
[INFO] [stdout] 2fd1f750dc4dce014f05ae5113b5e99f4a2df281483f0ff44ec4e3bf0ccfdccd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1cf6c3f48e13aaf9f6349fed808063291d64d5e769a121960574be327534b5f2
[INFO] running `Command { std: "docker" "start" "-a" "1cf6c3f48e13aaf9f6349fed808063291d64d5e769a121960574be327534b5f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling camino v1.0.4
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling walkdir v0.1.8
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling copy_dir v0.1.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling cargo-platform v0.1.1
[INFO] [stderr]    Compiling cargo_metadata v0.13.1
[INFO] [stderr]    Compiling cargo-include-licenses v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:29:1
[INFO] [stdout]    |
[INFO] [stdout] 29 | #![feature(once_cell)]
[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 `cargo-include-licenses`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "1cf6c3f48e13aaf9f6349fed808063291d64d5e769a121960574be327534b5f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cf6c3f48e13aaf9f6349fed808063291d64d5e769a121960574be327534b5f2", kill_on_drop: false }`
[INFO] [stdout] 1cf6c3f48e13aaf9f6349fed808063291d64d5e769a121960574be327534b5f2
