[INFO] fetching crate integrity-scrub 0.5.7...
[INFO] testing integrity-scrub-0.5.7 against 1.59.0 for beta-1.60-1
[INFO] extracting crate integrity-scrub 0.5.7 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate integrity-scrub 0.5.7 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 integrity-scrub 0.5.7
[INFO] finished tweaking crates.io crate integrity-scrub 0.5.7
[INFO] tweaked toml for crates.io crate integrity-scrub 0.5.7 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate integrity-scrub 0.5.7 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-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] b485c32ab82a2b4c6b6651ccea6b540af56c2b916c4e0c5d64bfc16b1c7270be
[INFO] running `Command { std: "docker" "start" "-a" "b485c32ab82a2b4c6b6651ccea6b540af56c2b916c4e0c5d64bfc16b1c7270be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b485c32ab82a2b4c6b6651ccea6b540af56c2b916c4e0c5d64bfc16b1c7270be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b485c32ab82a2b4c6b6651ccea6b540af56c2b916c4e0c5d64bfc16b1c7270be", kill_on_drop: false }`
[INFO] [stdout] b485c32ab82a2b4c6b6651ccea6b540af56c2b916c4e0c5d64bfc16b1c7270be
[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] cef8caa099c996d660439e159c39d8be681d0a6bda325948a6c8cb2004e5933b
[INFO] running `Command { std: "docker" "start" "-a" "cef8caa099c996d660439e159c39d8be681d0a6bda325948a6c8cb2004e5933b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.117
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling bytesize v1.1.0
[INFO] [stderr]    Compiling clap_derive v3.0.14
[INFO] [stderr]    Compiling nix v0.21.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling sensitive v0.9.4
[INFO] [stderr]    Compiling nix v0.23.1
[INFO] [stderr]    Compiling clap v3.0.14
[INFO] [stdout] error[E0658]: use of unstable library feature 'vec_spare_capacity'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/sensitive-0.9.4/src/vec.rs:240:20
[INFO] [stdout]     |
[INFO] [stdout] 240 |         self.inner_mut().spare_capacity_mut()
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #75017 <https://github.com/rust-lang/rust/issues/75017> for more information
[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 E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sensitive` 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" "cef8caa099c996d660439e159c39d8be681d0a6bda325948a6c8cb2004e5933b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cef8caa099c996d660439e159c39d8be681d0a6bda325948a6c8cb2004e5933b", kill_on_drop: false }`
[INFO] [stdout] cef8caa099c996d660439e159c39d8be681d0a6bda325948a6c8cb2004e5933b