[INFO] fetching crate tracing-chrometrace 0.1.4...
[INFO] testing tracing-chrometrace-0.1.4 against 1.59.0 for beta-1.60-1
[INFO] extracting crate tracing-chrometrace 0.1.4 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate tracing-chrometrace 0.1.4 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tracing-chrometrace 0.1.4
[INFO] finished tweaking crates.io crate tracing-chrometrace 0.1.4
[INFO] tweaked toml for crates.io crate tracing-chrometrace 0.1.4 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0e69f51abbcd9cc6e93a44767b79ff73bcec05f10a2e492bb3952dbdcd9f6298
[INFO] running `Command { std: "docker" "start" "-a" "0e69f51abbcd9cc6e93a44767b79ff73bcec05f10a2e492bb3952dbdcd9f6298", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e69f51abbcd9cc6e93a44767b79ff73bcec05f10a2e492bb3952dbdcd9f6298", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e69f51abbcd9cc6e93a44767b79ff73bcec05f10a2e492bb3952dbdcd9f6298", kill_on_drop: false }`
[INFO] [stdout] 0e69f51abbcd9cc6e93a44767b79ff73bcec05f10a2e492bb3952dbdcd9f6298
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38c7b7eacb9bfd80c5b24512155a2177d4c2ec0091cda9417941358b38f7cf35
[INFO] running `Command { std: "docker" "start" "-a" "38c7b7eacb9bfd80c5b24512155a2177d4c2ec0091cda9417941358b38f7cf35", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling strum_macros v0.22.0
[INFO] [stderr]    Compiling matchers v0.1.0
[INFO] [stderr]    Compiling tracing-subscriber v0.3.9
[INFO] [stderr]    Compiling strum v0.22.0
[INFO] [stderr]    Compiling tracing-chrometrace v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | #![feature(thread_id_value)]
[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 `tracing-chrometrace` 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" "38c7b7eacb9bfd80c5b24512155a2177d4c2ec0091cda9417941358b38f7cf35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38c7b7eacb9bfd80c5b24512155a2177d4c2ec0091cda9417941358b38f7cf35", kill_on_drop: false }`
[INFO] [stdout] 38c7b7eacb9bfd80c5b24512155a2177d4c2ec0091cda9417941358b38f7cf35