[INFO] fetching crate minitask 0.1.2...
[INFO] checking minitask-0.1.2 against 6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa for pr-159356
[INFO] extracting crate minitask 0.1.2 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate minitask 0.1.2
[INFO] finished tweaking crates.io crate minitask 0.1.2
[INFO] tweaked toml for crates.io crate minitask 0.1.2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate minitask 0.1.2 on toolchain 6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate minitask 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:c36f533e8924a726b63f9d01e781fa8c8c28c96d1d595403829afb31452ee0f5" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] b8d2d2462f1a941f90a50489a96f75d79085817c4288fbcc18a4a4b1631d7820
[INFO] running `Command { std: "docker" "start" "b8d2d2462f1a941f90a50489a96f75d79085817c4288fbcc18a4a4b1631d7820", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b8d2d2462f1a941f90a50489a96f75d79085817c4288fbcc18a4a4b1631d7820", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b8d2d2462f1a941f90a50489a96f75d79085817c4288fbcc18a4a4b1631d7820" "/opt/rustwide/cargo-home/bin/cargo" "+6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b8d2d2462f1a941f90a50489a96f75d79085817c4288fbcc18a4a4b1631d7820", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b8d2d2462f1a941f90a50489a96f75d79085817c4288fbcc18a4a4b1631d7820" "/opt/rustwide/cargo-home/bin/cargo" "+6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-io v0.3.31
[INFO] [stderr]    Compiling rustix v1.0.8
[INFO] [stderr]     Checking linux-raw-sys v0.9.4
[INFO] [stderr]     Checking slab v0.4.10
[INFO] [stderr]     Checking event-listener v5.4.0
[INFO] [stderr]     Checking futures-lite v2.6.0
[INFO] [stderr]     Checking piper v0.2.4
[INFO] [stderr]     Checking event-listener-strategy v0.5.4
[INFO] [stderr]     Checking async-channel v2.5.0
[INFO] [stderr]     Checking async-lock v3.4.0
[INFO] [stderr]     Checking minitask v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking blocking v1.6.2
[INFO] [stderr]     Checking async-executor v1.13.2
[INFO] [stderr]     Checking async-fs v2.1.3
[INFO] [stderr]     Checking polling v3.9.0
[INFO] [stderr]     Checking async-io v2.5.0
[INFO] [stderr]     Checking async-signal v0.2.12
[INFO] [stderr]     Checking async-net v2.0.0
[INFO] [stderr]     Checking async-process v2.4.0
[INFO] [stderr]     Checking smol v2.0.2
[INFO] [stdout] error: crater fail !! problematic pattern detected !!
[INFO] [stdout]    --> src/lib.rs:166:17
[INFO] [stdout]     |
[INFO] [stdout] 166 |       let Some((core::any::TypeId { .. }, TaskUpdate::Message(message))) = tasks.next().await
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type is defined in crate `core`
[INFO] [stdout]     = note: `#[deny(rest_pattern_match_on_struct_with_all_private_fields)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `minitask` (lib test) due to 2 previous errors
[INFO] [stdout] error: crater fail !! problematic pattern detected !!
[INFO] [stdout]    --> src/lib.rs:173:17
[INFO] [stdout]     |
[INFO] [stdout] 173 |       let Some((core::any::TypeId { .. }, TaskUpdate::Finished(result))) = tasks.next().await
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type is defined in crate `core`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b8d2d2462f1a941f90a50489a96f75d79085817c4288fbcc18a4a4b1631d7820", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8d2d2462f1a941f90a50489a96f75d79085817c4288fbcc18a4a4b1631d7820", kill_on_drop: false }`
[INFO] [stdout] b8d2d2462f1a941f90a50489a96f75d79085817c4288fbcc18a4a4b1631d7820
