[INFO] fetching crate repose 0.1.0...
[INFO] testing repose-0.1.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate repose 0.1.0 into /workspace/builds/worker-54/source
[INFO] validating manifest of crates.io crate repose 0.1.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate repose 0.1.0
[INFO] finished tweaking crates.io crate repose 0.1.0
[INFO] tweaked toml for crates.io crate repose 0.1.0 written to /workspace/builds/worker-54/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", 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]  Downloading crates ...
[INFO] [stderr]   Downloaded uname v0.1.1
[INFO] [stderr]   Downloaded libarchive3-sys v0.1.2
[INFO] [stderr]   Downloaded libarchive v0.1.1
[INFO] [stderr]   Downloaded nom v2.2.1
[INFO] [stderr]   Downloaded base64 v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a783089e8f326447be3af4fcc35768f5c6fbd409d5e5c7c027cf91f57bee8202
[INFO] running `Command { std: "docker" "start" "-a" "a783089e8f326447be3af4fcc35768f5c6fbd409d5e5c7c027cf91f57bee8202", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a783089e8f326447be3af4fcc35768f5c6fbd409d5e5c7c027cf91f57bee8202", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a783089e8f326447be3af4fcc35768f5c6fbd409d5e5c7c027cf91f57bee8202", kill_on_drop: false }`
[INFO] [stdout] a783089e8f326447be3af4fcc35768f5c6fbd409d5e5c7c027cf91f57bee8202
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d26ed3767182d070dbb23b854f1ec7dd770d41b3d8c65db997f874bb0f765c18
[INFO] running `Command { std: "docker" "start" "-a" "d26ed3767182d070dbb23b854f1ec7dd770d41b3d8c65db997f874bb0f765c18", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling nom v2.2.1
[INFO] [stderr]    Compiling libarchive3-sys v0.1.2
[INFO] [stderr]    Compiling base64 v0.3.1
[INFO] [stderr]    Compiling uname v0.1.1
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling libarchive v0.1.1
[INFO] [stderr]    Compiling repose v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(slice_patterns)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `slice_patterns` has been stable since 1.42.0 and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `repose` due to 2 previous errors
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d26ed3767182d070dbb23b854f1ec7dd770d41b3d8c65db997f874bb0f765c18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d26ed3767182d070dbb23b854f1ec7dd770d41b3d8c65db997f874bb0f765c18", kill_on_drop: false }`
[INFO] [stdout] d26ed3767182d070dbb23b854f1ec7dd770d41b3d8c65db997f874bb0f765c18