[INFO] cloning repository https://github.com/slang-rs/slang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/slang-rs/slang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fslang-rs%2Fslang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fslang-rs%2Fslang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f8b8ff2ca308b6a1465c225b3121afb5dc4198d7
[INFO] checking slang-rs/slang against master#0a8629bff642c3c3b84bb644c0099194f063b627 for pr-86231
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fslang-rs%2Fslang" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/slang-rs/slang on toolchain 0a8629bff642c3c3b84bb644c0099194f063b627
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/slang-rs/slang
[INFO] finished tweaking git repo https://github.com/slang-rs/slang
[INFO] tweaked toml for git repo https://github.com/slang-rs/slang written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/slang-rs/slang already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4cc3c29a1be5e39611f7edcf12f914e0725c4d359e776eb646b8019c21866f9a
[INFO] running `Command { std: "docker" "start" "-a" "4cc3c29a1be5e39611f7edcf12f914e0725c4d359e776eb646b8019c21866f9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4cc3c29a1be5e39611f7edcf12f914e0725c4d359e776eb646b8019c21866f9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cc3c29a1be5e39611f7edcf12f914e0725c4d359e776eb646b8019c21866f9a", kill_on_drop: false }`
[INFO] [stdout] 4cc3c29a1be5e39611f7edcf12f914e0725c4d359e776eb646b8019c21866f9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 78ec1bddd2e743e6b9815ed630d5f150a082afc02501378b58ce233798cf9f69
[INFO] running `Command { std: "docker" "start" "-a" "78ec1bddd2e743e6b9815ed630d5f150a082afc02501378b58ce233798cf9f69", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking slang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "78ec1bddd2e743e6b9815ed630d5f150a082afc02501378b58ce233798cf9f69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78ec1bddd2e743e6b9815ed630d5f150a082afc02501378b58ce233798cf9f69", kill_on_drop: false }`
[INFO] [stdout] 78ec1bddd2e743e6b9815ed630d5f150a082afc02501378b58ce233798cf9f69