[INFO] fetching crate sensitive 0.9.4...
[INFO] testing sensitive-0.9.4 against 1.59.0 for beta-1.60-1
[INFO] extracting crate sensitive 0.9.4 into /workspace/builds/worker-85/source
[INFO] validating manifest of crates.io crate sensitive 0.9.4 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 sensitive 0.9.4
[INFO] finished tweaking crates.io crate sensitive 0.9.4
[INFO] tweaked toml for crates.io crate sensitive 0.9.4 written to /workspace/builds/worker-85/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] [stderr]     Blocking waiting for file lock on package cache
[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-85/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/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] fcb95b577e90b6e98de138464799cc051c1f8fd753ca4fdb7e28b201cb480c78
[INFO] running `Command { std: "docker" "start" "-a" "fcb95b577e90b6e98de138464799cc051c1f8fd753ca4fdb7e28b201cb480c78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fcb95b577e90b6e98de138464799cc051c1f8fd753ca4fdb7e28b201cb480c78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcb95b577e90b6e98de138464799cc051c1f8fd753ca4fdb7e28b201cb480c78", kill_on_drop: false }`
[INFO] [stdout] fcb95b577e90b6e98de138464799cc051c1f8fd753ca4fdb7e28b201cb480c78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-85/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] 1f302fecd37b0b49d7151049824a290a76f4cf00dd52193789442e03f75c36a0
[INFO] running `Command { std: "docker" "start" "-a" "1f302fecd37b0b49d7151049824a290a76f4cf00dd52193789442e03f75c36a0", 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling tinyvec v1.5.1
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling sensitive v0.9.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0658]: use of unstable library feature 'vec_spare_capacity'
[INFO] [stdout]    --> 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] running `Command { std: "docker" "inspect" "1f302fecd37b0b49d7151049824a290a76f4cf00dd52193789442e03f75c36a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f302fecd37b0b49d7151049824a290a76f4cf00dd52193789442e03f75c36a0", kill_on_drop: false }`
[INFO] [stdout] 1f302fecd37b0b49d7151049824a290a76f4cf00dd52193789442e03f75c36a0