[INFO] cloning repository https://github.com/sagudev/lac
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sagudev/lac" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsagudev%2Flac", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsagudev%2Flac'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c87ad2ca542f3b6df61cbc06121af49a438eed76
[INFO] checking sagudev/lac against master#91c0823ee63e793d990bb9fed898dc95b5d6db51 for pr-125384-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsagudev%2Flac" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sagudev/lac on toolchain 91c0823ee63e793d990bb9fed898dc95b5d6db51
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+91c0823ee63e793d990bb9fed898dc95b5d6db51" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sagudev/lac
[INFO] finished tweaking git repo https://github.com/sagudev/lac
[INFO] tweaked toml for git repo https://github.com/sagudev/lac written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/sagudev/lac 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" "+91c0823ee63e793d990bb9fed898dc95b5d6db51" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hermit-abi v0.1.18
[INFO] [stderr]   Downloaded num_cpus v1.13.0
[INFO] [stderr]   Downloaded cpufeatures v0.1.4
[INFO] [stderr]   Downloaded generic-array v0.14.4
[INFO] [stderr]   Downloaded hound v3.4.0
[INFO] [stderr]   Downloaded typenum v1.13.0
[INFO] [stderr]   Downloaded sha2 v0.9.5
[INFO] [stderr]   Downloaded argh_shared v0.1.4
[INFO] [stderr]   Downloaded async-channel v1.6.1
[INFO] [stderr]   Downloaded gloo-timers v0.2.1
[INFO] [stderr]   Downloaded instant v0.1.9
[INFO] [stderr]   Downloaded polling v2.0.3
[INFO] [stderr]   Downloaded argh_derive v0.1.4
[INFO] [stderr]   Downloaded unicode-segmentation v1.7.1
[INFO] [stderr]   Downloaded syn v1.0.73
[INFO] [stderr]   Downloaded cc v1.0.68
[INFO] [stderr]   Downloaded wepoll-sys v3.0.1
[INFO] [stderr]   Downloaded async-io v1.4.1
[INFO] [stderr]   Downloaded async-task v4.0.3
[INFO] [stderr]   Downloaded signal-hook v0.3.9
[INFO] [stderr]   Downloaded async-process v1.1.0
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.5
[INFO] [stderr]   Downloaded value-bag v1.0.0-alpha.7
[INFO] [stderr]   Downloaded async-std v1.10.0
[INFO] [stderr]   Downloaded futures-channel v0.3.15
[INFO] [stderr]   Downloaded futures-util v0.3.15
[INFO] [stderr]   Downloaded libc v0.2.97
[INFO] [stderr]   Downloaded argh v0.1.4
[INFO] [stderr]   Downloaded async-recursion v0.3.2
[INFO] [stderr]   Downloaded async-executor v1.4.1
[INFO] [stderr]   Downloaded async-global-executor v2.0.2
[INFO] [stderr]   Downloaded async-lock v2.4.0
[INFO] [stderr]   Downloaded cache-padded v1.1.1
[INFO] [stderr]   Downloaded concurrent-queue v1.2.2
[INFO] [stderr]   Downloaded atomic-waker v1.0.0
[INFO] [stderr]   Downloaded event-listener v2.5.1
[INFO] [stderr]   Downloaded parking v2.0.0
[INFO] [stderr]   Downloaded futures-lite v1.12.0
[INFO] [stderr]   Downloaded claxon v0.4.3
[INFO] [stderr]   Downloaded proc-macro2 v1.0.27
[INFO] [stderr]   Downloaded pin-project-lite v0.2.6
[INFO] [stderr]   Downloaded futures v0.3.15
[INFO] [stderr]   Downloaded socket2 v0.4.0
[INFO] [stderr]   Downloaded fastrand v1.4.1
[INFO] [stderr]   Downloaded ctor v0.1.20
[INFO] [stderr]   Downloaded futures-sink v0.3.15
[INFO] [stderr]   Downloaded once_cell v1.7.2
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.24
[INFO] [stderr]   Downloaded futures-executor v0.3.15
[INFO] [stderr]   Downloaded futures-core v0.3.15
[INFO] [stderr]   Downloaded futures-io v0.3.15
[INFO] [stderr]   Downloaded futures-macro v0.3.15
[INFO] [stderr]   Downloaded futures-task v0.3.15
[INFO] [stderr]   Downloaded blocking v1.0.2
[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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+91c0823ee63e793d990bb9fed898dc95b5d6db51" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 51f32c5723c55c52fc7fa07d2ae46eefac0a5b03d13ece3406a255233e0b0a36
[INFO] running `Command { std: "docker" "start" "-a" "51f32c5723c55c52fc7fa07d2ae46eefac0a5b03d13ece3406a255233e0b0a36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51f32c5723c55c52fc7fa07d2ae46eefac0a5b03d13ece3406a255233e0b0a36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51f32c5723c55c52fc7fa07d2ae46eefac0a5b03d13ece3406a255233e0b0a36", kill_on_drop: false }`
[INFO] [stdout] 51f32c5723c55c52fc7fa07d2ae46eefac0a5b03d13ece3406a255233e0b0a36
[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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+91c0823ee63e793d990bb9fed898dc95b5d6db51" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 283d2fd1e5436d6b981bbec0776887c668d3d592e9eb67282bf73a4b64fa97e0
[INFO] running `Command { std: "docker" "start" "-a" "283d2fd1e5436d6b981bbec0776887c668d3d592e9eb67282bf73a4b64fa97e0", kill_on_drop: false }`
[INFO] [stderr]     Checking lac v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "283d2fd1e5436d6b981bbec0776887c668d3d592e9eb67282bf73a4b64fa97e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "283d2fd1e5436d6b981bbec0776887c668d3d592e9eb67282bf73a4b64fa97e0", kill_on_drop: false }`
[INFO] [stdout] 283d2fd1e5436d6b981bbec0776887c668d3d592e9eb67282bf73a4b64fa97e0