[INFO] fetching crate rustc-ap-rustc_target 726.0.0...
[INFO] checking rustc-ap-rustc_target-726.0.0 against try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477
[INFO] extracting crate rustc-ap-rustc_target 726.0.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate rustc-ap-rustc_target 726.0.0 on toolchain 3d9fdbff4f377de96b3a51174e7a64086bee9a5c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rustc-ap-rustc_target 726.0.0
[INFO] finished tweaking crates.io crate rustc-ap-rustc_target 726.0.0
[INFO] tweaked toml for crates.io crate rustc-ap-rustc_target 726.0.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "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" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded perf-event-open-sys v1.0.1
[INFO] [stderr]   Downloaded arrayvec v0.7.1
[INFO] [stderr]   Downloaded rustc-ap-rustc_macros v726.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_arena v726.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_index v726.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_data_structures v726.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_serialize v726.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_span v726.0.0
[INFO] [stderr]   Downloaded memmap2 v0.2.3
[INFO] [stderr]   Downloaded measureme v9.1.2
[INFO] [stderr]   Downloaded rustc-ap-rustc_graphviz v726.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bd5fbfa5cf3ea74fa57a31590250c33c8a7e97276fcbef301bef988834067630
[INFO] running `Command { std: "docker" "start" "-a" "bd5fbfa5cf3ea74fa57a31590250c33c8a7e97276fcbef301bef988834067630", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd5fbfa5cf3ea74fa57a31590250c33c8a7e97276fcbef301bef988834067630", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd5fbfa5cf3ea74fa57a31590250c33c8a7e97276fcbef301bef988834067630", kill_on_drop: false }`
[INFO] [stdout] bd5fbfa5cf3ea74fa57a31590250c33c8a7e97276fcbef301bef988834067630
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 66999dbc8100d33ec0b3c17effff2c38edd5da8dd16b37411f236cc40ca7fcd7
[INFO] running `Command { std: "docker" "start" "-a" "66999dbc8100d33ec0b3c17effff2c38edd5da8dd16b37411f236cc40ca7fcd7", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling rustc-rayon-core v0.3.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]     Checking arrayvec v0.7.1
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking rustc-ap-rustc_graphviz v726.0.0
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]     Checking ena v0.14.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling psm v0.1.13
[INFO] [stderr]    Compiling stacker v0.1.14
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking perf-event-open-sys v1.0.1
[INFO] [stderr]     Checking memmap2 v0.2.3
[INFO] [stderr]     Checking jobserver v0.1.22
[INFO] [stderr]     Checking rustc-ap-rustc_serialize v726.0.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking sha-1 v0.9.6
[INFO] [stderr]     Checking sha2 v0.9.5
[INFO] [stderr]     Checking md-5 v0.9.1
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking measureme v9.1.2
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking rustc-rayon v0.3.1
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling rustc-ap-rustc_macros v726.0.0
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking rustc-ap-rustc_index v726.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_data_structures v726.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_arena v726.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_span v726.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_target v726.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.89s
[INFO] running `Command { std: "docker" "inspect" "66999dbc8100d33ec0b3c17effff2c38edd5da8dd16b37411f236cc40ca7fcd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66999dbc8100d33ec0b3c17effff2c38edd5da8dd16b37411f236cc40ca7fcd7", kill_on_drop: false }`
[INFO] [stdout] 66999dbc8100d33ec0b3c17effff2c38edd5da8dd16b37411f236cc40ca7fcd7