[INFO] fetching crate rustc-ap-rustc_ast 727.0.0...
[INFO] checking rustc-ap-rustc_ast-727.0.0 against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] extracting crate rustc-ap-rustc_ast 727.0.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate rustc-ap-rustc_ast 727.0.0 on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rustc-ap-rustc_ast 727.0.0
[INFO] finished tweaking crates.io crate rustc-ap-rustc_ast 727.0.0
[INFO] tweaked toml for crates.io crate rustc-ap-rustc_ast 727.0.0 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "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" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "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-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e8c94cd3571b883da2783371bc4572d1bdcdcc08ef4893d41b4281e676d09b2d
[INFO] running `Command { std: "docker" "start" "-a" "e8c94cd3571b883da2783371bc4572d1bdcdcc08ef4893d41b4281e676d09b2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8c94cd3571b883da2783371bc4572d1bdcdcc08ef4893d41b4281e676d09b2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8c94cd3571b883da2783371bc4572d1bdcdcc08ef4893d41b4281e676d09b2d", kill_on_drop: false }`
[INFO] [stdout] e8c94cd3571b883da2783371bc4572d1bdcdcc08ef4893d41b4281e676d09b2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 008bb002ca88c20716112c78345de732805a57795175cf0e542ebfc5fde22cc6
[INFO] running `Command { std: "docker" "start" "-a" "008bb002ca88c20716112c78345de732805a57795175cf0e542ebfc5fde22cc6", kill_on_drop: false }`
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling rustc-rayon-core v0.3.1
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking arrayvec v0.7.1
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking rustc-ap-rustc_graphviz v727.0.0
[INFO] [stderr]     Checking cpufeatures v0.2.1
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking instant v0.1.10
[INFO] [stderr]    Compiling psm v0.1.16
[INFO] [stderr]    Compiling stacker v0.1.14
[INFO] [stderr]     Checking rustc-ap-rustc_lexer v727.0.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking memmap2 v0.2.3
[INFO] [stderr]     Checking perf-event-open-sys v1.0.1
[INFO] [stderr]     Checking ena v0.14.0
[INFO] [stderr]     Checking jobserver v0.1.24
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]     Checking rustc-ap-rustc_serialize v727.0.0
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking crossbeam-utils v0.7.2
[INFO] [stderr]     Checking tracing-core v0.1.20
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.4
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking rustc-rayon v0.3.1
[INFO] [stderr]     Checking measureme v9.1.2
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking sha-1 v0.9.8
[INFO] [stderr]     Checking md-5 v0.9.1
[INFO] [stderr]     Checking sha2 v0.9.8
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling rustc-ap-rustc_macros v727.0.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.16
[INFO] [stderr]     Checking tracing v0.1.28
[INFO] [stderr]     Checking rustc-ap-rustc_index v727.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_data_structures v727.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_arena v727.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_span v727.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_ast v727.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `const_fn_transmute` has been stable since 1.56.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | #![feature(const_fn_transmute)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `const_fn_transmute` has been stable since 1.56.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | #![feature(const_fn_transmute)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.51s
[INFO] running `Command { std: "docker" "inspect" "008bb002ca88c20716112c78345de732805a57795175cf0e542ebfc5fde22cc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "008bb002ca88c20716112c78345de732805a57795175cf0e542ebfc5fde22cc6", kill_on_drop: false }`
[INFO] [stdout] 008bb002ca88c20716112c78345de732805a57795175cf0e542ebfc5fde22cc6