[INFO] fetching crate async_once 0.2.1...
[INFO] checking async_once-0.2.1 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate async_once 0.2.1 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate async_once 0.2.1 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async_once 0.2.1
[INFO] finished tweaking crates.io crate async_once 0.2.1
[INFO] tweaked toml for crates.io crate async_once 0.2.1 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 214c582ad01a6bcf83d188a1d99adb8f504cd94fe13b18941b1e333760b46712
[INFO] running `Command { std: "docker" "start" "-a" "214c582ad01a6bcf83d188a1d99adb8f504cd94fe13b18941b1e333760b46712", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "214c582ad01a6bcf83d188a1d99adb8f504cd94fe13b18941b1e333760b46712", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "214c582ad01a6bcf83d188a1d99adb8f504cd94fe13b18941b1e333760b46712", kill_on_drop: false }`
[INFO] [stdout] 214c582ad01a6bcf83d188a1d99adb8f504cd94fe13b18941b1e333760b46712
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ff3f39a0e1d69e15f46cf01d83cb31ff3d2429b3f845a4ebcca53c28f252def
[INFO] running `Command { std: "docker" "start" "-a" "1ff3f39a0e1d69e15f46cf01d83cb31ff3d2429b3f845a4ebcca53c28f252def", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling libc v0.2.102
[INFO] [stderr]     Checking futures-io v0.3.17
[INFO] [stderr]     Checking fastrand v1.5.0
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]    Compiling signal-hook v0.3.10
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]     Checking async_once v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.7
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking async-lock v2.4.0
[INFO] [stderr]    Compiling tokio v0.3.7
[INFO] [stderr]     Checking crossbeam-utils v0.8.5
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]    Compiling ctor v0.1.21
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking crossbeam-epoch v0.9.5
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking async-executor v1.4.1
[INFO] [stderr]     Checking async-fs v1.5.0
[INFO] [stderr]     Checking socket2 v0.4.2
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking plotters v0.3.1
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.78
[INFO] [stderr]     Checking polling v2.1.0
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking async-io v1.6.0
[INFO] [stderr]     Checking async-process v1.2.0
[INFO] [stderr]     Checking async-global-executor v2.0.2
[INFO] [stderr]     Checking async-net v1.6.1
[INFO] [stderr]     Checking async-std v1.10.0
[INFO] [stderr]     Checking smol v1.2.5
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.78
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.78
[INFO] [stderr]     Checking criterion v0.3.5
[INFO] [stderr]     Checking wasm-bindgen v0.2.78
[INFO] [stderr]     Checking js-sys v0.3.55
[INFO] [stderr]     Checking console_error_panic_hook v0.1.6
[INFO] [stderr]     Checking web-sys v0.3.55
[INFO] [stderr]     Checking wasm-bindgen-futures v0.4.28
[INFO] [stderr]     Checking wasm-bindgen-test v0.3.28
[INFO] [stderr]     Checking gloo-timers v0.2.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.27s
[INFO] running `Command { std: "docker" "inspect" "1ff3f39a0e1d69e15f46cf01d83cb31ff3d2429b3f845a4ebcca53c28f252def", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ff3f39a0e1d69e15f46cf01d83cb31ff3d2429b3f845a4ebcca53c28f252def", kill_on_drop: false }`
[INFO] [stdout] 1ff3f39a0e1d69e15f46cf01d83cb31ff3d2429b3f845a4ebcca53c28f252def