[INFO] fetching crate git-bfg 0.2.0...
[INFO] testing git-bfg-0.2.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate git-bfg 0.2.0 into /workspace/builds/worker-16/source
[INFO] validating manifest of crates.io crate git-bfg 0.2.0 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] started tweaking crates.io crate git-bfg 0.2.0
[INFO] finished tweaking crates.io crate git-bfg 0.2.0
[INFO] tweaked toml for crates.io crate git-bfg 0.2.0 written to /workspace/builds/worker-16/source/Cargo.toml
[INFO] crate crates.io crate git-bfg 0.2.0 already has a lockfile, it will not be regenerated
[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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded byte-unit v4.0.13
[INFO] [stderr]   Downloaded project-root v0.2.2
[INFO] [stderr]   Downloaded sorted-vec v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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] 62c594806b3374716644cf8c0b8c528d63ffc20900b22fe717d091b1294276e1
[INFO] running `Command { std: "docker" "start" "-a" "62c594806b3374716644cf8c0b8c528d63ffc20900b22fe717d091b1294276e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62c594806b3374716644cf8c0b8c528d63ffc20900b22fe717d091b1294276e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62c594806b3374716644cf8c0b8c528d63ffc20900b22fe717d091b1294276e1", kill_on_drop: false }`
[INFO] [stdout] 62c594806b3374716644cf8c0b8c528d63ffc20900b22fe717d091b1294276e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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] b838f85a8c0a82819764b68d8223807dfbd1b08ca35099022ec20b6c7a75195c
[INFO] running `Command { std: "docker" "start" "-a" "b838f85a8c0a82819764b68d8223807dfbd1b08ca35099022ec20b6c7a75195c", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]    Compiling openssl-probe v0.1.5
[INFO] [stderr]    Compiling textwrap v0.14.2
[INFO] [stderr]    Compiling utf8-width v0.1.5
[INFO] [stderr]    Compiling sorted-vec v0.7.0
[INFO] [stderr]    Compiling project-root v0.2.2
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling os_str_bytes v6.0.0
[INFO] [stderr]    Compiling byte-unit v4.0.13
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling clap v3.0.14
[INFO] [stderr]    Compiling openssl-sys v0.9.72
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling libssh2-sys v0.2.23
[INFO] [stderr]    Compiling libgit2-sys v0.12.26+1.3.0
[INFO] [stderr]    Compiling git2 v0.13.25
[INFO] [stderr]    Compiling git-bfg v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(int_log)]
[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 `git-bfg` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "b838f85a8c0a82819764b68d8223807dfbd1b08ca35099022ec20b6c7a75195c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b838f85a8c0a82819764b68d8223807dfbd1b08ca35099022ec20b6c7a75195c", kill_on_drop: false }`
[INFO] [stdout] b838f85a8c0a82819764b68d8223807dfbd1b08ca35099022ec20b6c7a75195c