[INFO] fetching crate shakmaty 0.21.1...
[INFO] checking shakmaty-0.21.1 against try#f6d7c613ae2d161ff37dbc63cc5abd809c878597 for pr-83850
[INFO] extracting crate shakmaty 0.21.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate shakmaty 0.21.1 on toolchain f6d7c613ae2d161ff37dbc63cc5abd809c878597
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6d7c613ae2d161ff37dbc63cc5abd809c878597" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate shakmaty 0.21.1
[INFO] finished tweaking crates.io crate shakmaty 0.21.1
[INFO] tweaked toml for crates.io crate shakmaty 0.21.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6d7c613ae2d161ff37dbc63cc5abd809c878597" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6d7c613ae2d161ff37dbc63cc5abd809c878597" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+f6d7c613ae2d161ff37dbc63cc5abd809c878597" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 33954e9c98837b97bbcd38d41839c2dd67f8d588959bf8e19e067dee9ed4339d
[INFO] running `Command { std: "docker" "start" "-a" "33954e9c98837b97bbcd38d41839c2dd67f8d588959bf8e19e067dee9ed4339d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "33954e9c98837b97bbcd38d41839c2dd67f8d588959bf8e19e067dee9ed4339d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33954e9c98837b97bbcd38d41839c2dd67f8d588959bf8e19e067dee9ed4339d", kill_on_drop: false }`
[INFO] [stdout] 33954e9c98837b97bbcd38d41839c2dd67f8d588959bf8e19e067dee9ed4339d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+f6d7c613ae2d161ff37dbc63cc5abd809c878597" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1b5a4645519ce2eae1addf21b97c9d607c11e2201a57361c7dc2e6c7676093c
[INFO] running `Command { std: "docker" "start" "-a" "d1b5a4645519ce2eae1addf21b97c9d607c11e2201a57361c7dc2e6c7676093c", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling shakmaty v0.21.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking iai v0.1.1
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking btoi v0.4.2
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> benches/benches.rs:94:1
[INFO] [stdout]     |
[INFO] [stdout] 94  | / iai::main!(
[INFO] [stdout] 95  | |     bench_shallow_perft,
[INFO] [stdout] 96  | |     bench_deep_perft,
[INFO] [stdout] 97  | |     bench_kiwipete,
[INFO] [stdout] ...   |
[INFO] [stdout] 101 | |     bench_play_sans,
[INFO] [stdout] 102 | | );
[INFO] [stdout]     | |_^ expected fn pointer, found fn item
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected reference `&(&'static str, fn())`
[INFO] [stdout]                found reference `&(&'static str, fn() {iai_wrappers::bench_shallow_perft})`
[INFO] [stdout]     = note: this error originates in the macro `iai::main` (in Nightly builds, run with -Z macro-backtrace for more info)
[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 E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `shakmaty` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "d1b5a4645519ce2eae1addf21b97c9d607c11e2201a57361c7dc2e6c7676093c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1b5a4645519ce2eae1addf21b97c9d607c11e2201a57361c7dc2e6c7676093c", kill_on_drop: false }`
[INFO] [stdout] d1b5a4645519ce2eae1addf21b97c9d607c11e2201a57361c7dc2e6c7676093c