[INFO] fetching crate ref_arena 0.1.1...
[INFO] checking ref_arena-0.1.1 against try#121a90d34197f711021eeb158e7f4184b8be8ceb for pr-140313
[INFO] extracting crate ref_arena 0.1.1 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate ref_arena 0.1.1 on toolchain 121a90d34197f711021eeb158e7f4184b8be8ceb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+121a90d34197f711021eeb158e7f4184b8be8ceb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ref_arena 0.1.1
[INFO] finished tweaking crates.io crate ref_arena 0.1.1
[INFO] tweaked toml for crates.io crate ref_arena 0.1.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+121a90d34197f711021eeb158e7f4184b8be8ceb" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 3 packages to latest compatible versions
[INFO] [stderr]       Adding brunch v0.5.3 (available: v0.9.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+121a90d34197f711021eeb158e7f4184b8be8ceb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+121a90d34197f711021eeb158e7f4184b8be8ceb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6bedfdd680647b173e5039b47262d1c5ef41bf71a0a6c366bd94c8141be4708d
[INFO] running `Command { std: "docker" "start" "-a" "6bedfdd680647b173e5039b47262d1c5ef41bf71a0a6c366bd94c8141be4708d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6bedfdd680647b173e5039b47262d1c5ef41bf71a0a6c366bd94c8141be4708d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bedfdd680647b173e5039b47262d1c5ef41bf71a0a6c366bd94c8141be4708d", kill_on_drop: false }`
[INFO] [stdout] 6bedfdd680647b173e5039b47262d1c5ef41bf71a0a6c366bd94c8141be4708d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+121a90d34197f711021eeb158e7f4184b8be8ceb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b5d1bc292fe5e809ce5870119f2d79206a97d9ea44fd12b8affd516568a0c60
[INFO] running `Command { std: "docker" "start" "-a" "8b5d1bc292fe5e809ce5870119f2d79206a97d9ea44fd12b8affd516568a0c60", kill_on_drop: false }`
[INFO] [stderr]    Compiling dactyl v0.7.4
[INFO] [stderr]     Checking unicode-width v0.1.14
[INFO] [stderr]     Checking ref_arena v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking brunch v0.5.3
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.39s
[INFO] running `Command { std: "docker" "inspect" "8b5d1bc292fe5e809ce5870119f2d79206a97d9ea44fd12b8affd516568a0c60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b5d1bc292fe5e809ce5870119f2d79206a97d9ea44fd12b8affd516568a0c60", kill_on_drop: false }`
[INFO] [stdout] 8b5d1bc292fe5e809ce5870119f2d79206a97d9ea44fd12b8affd516568a0c60