[INFO] fetching crate divrem 1.0.0...
[INFO] testing divrem-1.0.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate divrem 1.0.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate divrem 1.0.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6/source/rust-toolchain
[INFO] started tweaking crates.io crate divrem 1.0.0
[INFO] finished tweaking crates.io crate divrem 1.0.0
[INFO] tweaked toml for crates.io crate divrem 1.0.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a2edf21d00198c66b966c1e8434fa78e2885cb723a392a632be6c19356722653
[INFO] running `Command { std: "docker" "start" "-a" "a2edf21d00198c66b966c1e8434fa78e2885cb723a392a632be6c19356722653", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2edf21d00198c66b966c1e8434fa78e2885cb723a392a632be6c19356722653", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2edf21d00198c66b966c1e8434fa78e2885cb723a392a632be6c19356722653", kill_on_drop: false }`
[INFO] [stdout] a2edf21d00198c66b966c1e8434fa78e2885cb723a392a632be6c19356722653
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75ba9fd587a43c598843c67e9f5b7a3c70139fe1b264a56fbe2eda0671c7c498
[INFO] running `Command { std: "docker" "start" "-a" "75ba9fd587a43c598843c67e9f5b7a3c70139fe1b264a56fbe2eda0671c7c498", kill_on_drop: false }`
[INFO] [stderr]    Compiling divrem v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.42s
[INFO] running `Command { std: "docker" "inspect" "75ba9fd587a43c598843c67e9f5b7a3c70139fe1b264a56fbe2eda0671c7c498", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75ba9fd587a43c598843c67e9f5b7a3c70139fe1b264a56fbe2eda0671c7c498", kill_on_drop: false }`
[INFO] [stdout] 75ba9fd587a43c598843c67e9f5b7a3c70139fe1b264a56fbe2eda0671c7c498
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 272c3a74cf2050be8127d40f375fd3d770557fa95c1917c1ea27378502ff9188
[INFO] running `Command { std: "docker" "start" "-a" "272c3a74cf2050be8127d40f375fd3d770557fa95c1917c1ea27378502ff9188", kill_on_drop: false }`
[INFO] [stderr]    Compiling divrem v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> tests/lib.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(concat_idents)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `divrem` due to 2 previous errors
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "272c3a74cf2050be8127d40f375fd3d770557fa95c1917c1ea27378502ff9188", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "272c3a74cf2050be8127d40f375fd3d770557fa95c1917c1ea27378502ff9188", kill_on_drop: false }`
[INFO] [stdout] 272c3a74cf2050be8127d40f375fd3d770557fa95c1917c1ea27378502ff9188