[INFO] fetching crate core-to-core-latency 1.2.0...
[INFO] checking core-to-core-latency-1.2.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate core-to-core-latency 1.2.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate core-to-core-latency 1.2.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate core-to-core-latency 1.2.0
[INFO] finished tweaking crates.io crate core-to-core-latency 1.2.0
[INFO] tweaked toml for crates.io crate core-to-core-latency 1.2.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate core-to-core-latency 1.2.0 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quanta v0.10.1
[INFO] [stderr]   Downloaded raw-cpuid v10.6.0
[INFO] [stderr]   Downloaded clap_derive v3.2.18
[INFO] [stderr]   Downloaded core_affinity v0.5.10
[INFO] [stderr]   Downloaded textwrap v0.15.1
[INFO] [stderr]   Downloaded matrixmultiply v0.3.2
[INFO] [stderr]   Downloaded clap v3.2.22
[INFO] [stderr]   Downloaded syn v1.0.100
[INFO] [stderr]   Downloaded libc v0.2.133
[INFO] [stderr]   Downloaded web-sys v0.3.60
[INFO] [stderr]   Downloaded num-complex v0.4.2
[INFO] [stderr]   Downloaded ordered-float v3.1.0
[INFO] [stderr]   Downloaded once_cell v1.14.0
[INFO] [stderr]   Downloaded unicode-ident v1.0.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0158d33ae7d7a7af4435fdf42c6fe534ff13637143fe0cf4caa98031c104e27e
[INFO] running `Command { std: "docker" "start" "-a" "0158d33ae7d7a7af4435fdf42c6fe534ff13637143fe0cf4caa98031c104e27e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0158d33ae7d7a7af4435fdf42c6fe534ff13637143fe0cf4caa98031c104e27e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0158d33ae7d7a7af4435fdf42c6fe534ff13637143fe0cf4caa98031c104e27e", kill_on_drop: false }`
[INFO] [stdout] 0158d33ae7d7a7af4435fdf42c6fe534ff13637143fe0cf4caa98031c104e27e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a73a34a504b5ec1178a6283a633b3878c856142ded08d1d3724144475419d0a
[INFO] running `Command { std: "docker" "start" "-a" "2a73a34a504b5ec1178a6283a633b3878c856142ded08d1d3724144475419d0a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling libc v0.2.133
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling syn v1.0.100
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling crossbeam-utils v0.8.11
[INFO] [stderr]     Checking once_cell v1.14.0
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking os_str_bytes v6.3.0
[INFO] [stderr]     Checking matrixmultiply v0.3.2
[INFO] [stderr]     Checking raw-cpuid v10.6.0
[INFO] [stderr]     Checking textwrap v0.15.1
[INFO] [stderr]     Checking cache-padded v1.2.0
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking quanta v0.10.1
[INFO] [stderr]     Checking num-complex v0.4.2
[INFO] [stderr]     Checking ordered-float v3.1.0
[INFO] [stderr]     Checking core_affinity v0.5.10
[INFO] [stderr]     Checking ndarray v0.15.6
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v3.2.18
[INFO] [stderr]     Checking clap v3.2.22
[INFO] [stderr]     Checking core-to-core-latency v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.10s
[INFO] running `Command { std: "docker" "inspect" "2a73a34a504b5ec1178a6283a633b3878c856142ded08d1d3724144475419d0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a73a34a504b5ec1178a6283a633b3878c856142ded08d1d3724144475419d0a", kill_on_drop: false }`
[INFO] [stdout] 2a73a34a504b5ec1178a6283a633b3878c856142ded08d1d3724144475419d0a