[INFO] cloning repository https://github.com/sty00A4/luo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sty00A4/luo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsty00A4%2Fluo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsty00A4%2Fluo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ae168c76a1a66038a62109c7a991586bd82da0e2
[INFO] checking sty00A4/luo against master#91c0823ee63e793d990bb9fed898dc95b5d6db51 for pr-125741
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsty00A4%2Fluo" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sty00A4/luo 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/sty00A4/luo
[INFO] finished tweaking git repo https://github.com/sty00A4/luo
[INFO] tweaked toml for git repo https://github.com/sty00A4/luo written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/sty00A4/luo 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 026855a9d7261f0a986bdfa6d3b80b9823503b1850802f8f4c52db442a7b2dd1
[INFO] running `Command { std: "docker" "start" "-a" "026855a9d7261f0a986bdfa6d3b80b9823503b1850802f8f4c52db442a7b2dd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "026855a9d7261f0a986bdfa6d3b80b9823503b1850802f8f4c52db442a7b2dd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "026855a9d7261f0a986bdfa6d3b80b9823503b1850802f8f4c52db442a7b2dd1", kill_on_drop: false }`
[INFO] [stdout] 026855a9d7261f0a986bdfa6d3b80b9823503b1850802f8f4c52db442a7b2dd1
[ERROR] this task or one of its parent failed!
[ERROR] command failed: exit status: 1
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking sty00A4/luo against try#0525276e4a85ae0a91f6f7447e501e2981e77908 for pr-125741
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsty00A4%2Fluo" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sty00A4/luo on toolchain 0525276e4a85ae0a91f6f7447e501e2981e77908
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0525276e4a85ae0a91f6f7447e501e2981e77908" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sty00A4/luo
[INFO] finished tweaking git repo https://github.com/sty00A4/luo
[INFO] tweaked toml for git repo https://github.com/sty00A4/luo written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/sty00A4/luo 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" "+0525276e4a85ae0a91f6f7447e501e2981e77908" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+0525276e4a85ae0a91f6f7447e501e2981e77908" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c8843f01aaedad4681d4089ef535362111f206bb7d4161b756b2466c269cfe0e
[INFO] running `Command { std: "docker" "start" "-a" "c8843f01aaedad4681d4089ef535362111f206bb7d4161b756b2466c269cfe0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c8843f01aaedad4681d4089ef535362111f206bb7d4161b756b2466c269cfe0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8843f01aaedad4681d4089ef535362111f206bb7d4161b756b2466c269cfe0e", kill_on_drop: false }`
[INFO] [stdout] c8843f01aaedad4681d4089ef535362111f206bb7d4161b756b2466c269cfe0e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+0525276e4a85ae0a91f6f7447e501e2981e77908" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9545c2c67c34a215497d5ac8f61973af7473527181ac62b280aea1ef6edcc0d0
[INFO] running `Command { std: "docker" "start" "-a" "9545c2c67c34a215497d5ac8f61973af7473527181ac62b280aea1ef6edcc0d0", kill_on_drop: false }`
[INFO] [stderr]     Checking luo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "9545c2c67c34a215497d5ac8f61973af7473527181ac62b280aea1ef6edcc0d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9545c2c67c34a215497d5ac8f61973af7473527181ac62b280aea1ef6edcc0d0", kill_on_drop: false }`
[INFO] [stdout] 9545c2c67c34a215497d5ac8f61973af7473527181ac62b280aea1ef6edcc0d0