[INFO] fetching crate wrap-debug 0.1.1...
[INFO] testing wrap-debug-0.1.1 against 1.60.0 for beta-1.61-1
[INFO] extracting crate wrap-debug 0.1.1 into /workspace/builds/worker-49/source
[INFO] validating manifest of crates.io crate wrap-debug 0.1.1 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 wrap-debug 0.1.1
[INFO] finished tweaking crates.io crate wrap-debug 0.1.1
[INFO] tweaked toml for crates.io crate wrap-debug 0.1.1 written to /workspace/builds/worker-49/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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] 8338a77b4cddd5a4f9b854428979378dcca64ae13cf9a51b395dd0ba692bd3d8
[INFO] running `Command { std: "docker" "start" "-a" "8338a77b4cddd5a4f9b854428979378dcca64ae13cf9a51b395dd0ba692bd3d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8338a77b4cddd5a4f9b854428979378dcca64ae13cf9a51b395dd0ba692bd3d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8338a77b4cddd5a4f9b854428979378dcca64ae13cf9a51b395dd0ba692bd3d8", kill_on_drop: false }`
[INFO] [stdout] 8338a77b4cddd5a4f9b854428979378dcca64ae13cf9a51b395dd0ba692bd3d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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] f18ff9c1ba6271748ab828daf13fb75d3170c434596b8e844195d2aa7bc4902a
[INFO] running `Command { std: "docker" "start" "-a" "f18ff9c1ba6271748ab828daf13fb75d3170c434596b8e844195d2aa7bc4902a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling wrap-debug v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/lib.rs:31:23
[INFO] [stdout]    |
[INFO] [stdout] 31 |         fmt.write_str(unsafe { type_name::<T>() })
[INFO] [stdout]    |                       ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(core_intrinsics)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wrap-debug` due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "f18ff9c1ba6271748ab828daf13fb75d3170c434596b8e844195d2aa7bc4902a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f18ff9c1ba6271748ab828daf13fb75d3170c434596b8e844195d2aa7bc4902a", kill_on_drop: false }`
[INFO] [stdout] f18ff9c1ba6271748ab828daf13fb75d3170c434596b8e844195d2aa7bc4902a