[INFO] cloning repository https://github.com/Kenkron/vai
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Kenkron/vai" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKenkron%2Fvai", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKenkron%2Fvai'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1205e4e05a02f8aa23730c7970604a3a4c94cabe
[INFO] checking Kenkron/vai against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKenkron%2Fvai" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Kenkron/vai 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 git repo https://github.com/Kenkron/vai
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/Kenkron/vai
[INFO] tweaked toml for git repo https://github.com/Kenkron/vai written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Kenkron/vai 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]  Downloading crates ...
[INFO] [stderr]   Downloaded zerocopy v0.7.25
[INFO] [stderr]   Downloaded zerocopy-derive v0.7.25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 5381dbe8452e02556e71559b84f28fb572867ee706f09d65ba94bbd0b1764101
[INFO] running `Command { std: "docker" "start" "-a" "5381dbe8452e02556e71559b84f28fb572867ee706f09d65ba94bbd0b1764101", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5381dbe8452e02556e71559b84f28fb572867ee706f09d65ba94bbd0b1764101", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5381dbe8452e02556e71559b84f28fb572867ee706f09d65ba94bbd0b1764101", kill_on_drop: false }`
[INFO] [stdout] 5381dbe8452e02556e71559b84f28fb572867ee706f09d65ba94bbd0b1764101
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 2ef6203b24ee008835ec0da154bf97ef1ddd5d7faecfcbfeff01842eeb8bbfc7
[INFO] running `Command { std: "docker" "start" "-a" "2ef6203b24ee008835ec0da154bf97ef1ddd5d7faecfcbfeff01842eeb8bbfc7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]     Checking bytemuck v1.14.0
[INFO] [stderr]    Compiling matrixmultiply v0.3.8
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking safe_arch v0.7.1
[INFO] [stderr]     Checking wide v0.7.13
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rayon-core v1.12.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rayon v1.8.0
[INFO] [stderr]     Checking num-integer v0.1.45
[INFO] [stderr]     Checking num-complex v0.4.4
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking num-rational v0.4.1
[INFO] [stderr]     Checking simba v0.8.1
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]    Compiling nalgebra-macros v0.2.1
[INFO] [stderr]     Checking nalgebra v0.32.3
[INFO] [stderr]     Checking vai v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.82s
[INFO] running `Command { std: "docker" "inspect" "2ef6203b24ee008835ec0da154bf97ef1ddd5d7faecfcbfeff01842eeb8bbfc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ef6203b24ee008835ec0da154bf97ef1ddd5d7faecfcbfeff01842eeb8bbfc7", kill_on_drop: false }`
[INFO] [stdout] 2ef6203b24ee008835ec0da154bf97ef1ddd5d7faecfcbfeff01842eeb8bbfc7