[INFO] cloning repository https://github.com/lili-madeline/Rust_Matrix
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lili-madeline/Rust_Matrix" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flili-madeline%2FRust_Matrix", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flili-madeline%2FRust_Matrix'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 948ad972c0cf4aa2197ab59e5616006a79ff03a7
[INFO] checking lili-madeline/Rust_Matrix against try#7df376b035b3d12ff0386ad8b45b76dbe020257b for pr-142712
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flili-madeline%2FRust_Matrix" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/lili-madeline/Rust_Matrix
[INFO] finished tweaking git repo https://github.com/lili-madeline/Rust_Matrix
[INFO] tweaked toml for git repo https://github.com/lili-madeline/Rust_Matrix written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lili-madeline/Rust_Matrix on toolchain 7df376b035b3d12ff0386ad8b45b76dbe020257b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7df376b035b3d12ff0386ad8b45b76dbe020257b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lili-madeline/Rust_Matrix 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" "+7df376b035b3d12ff0386ad8b45b76dbe020257b" "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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+7df376b035b3d12ff0386ad8b45b76dbe020257b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9360257c8faa19e421acb875de6dacc11658e27d816c323efc4416d4f5c562e5
[INFO] running `Command { std: "docker" "start" "-a" "9360257c8faa19e421acb875de6dacc11658e27d816c323efc4416d4f5c562e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9360257c8faa19e421acb875de6dacc11658e27d816c323efc4416d4f5c562e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9360257c8faa19e421acb875de6dacc11658e27d816c323efc4416d4f5c562e5", kill_on_drop: false }`
[INFO] [stdout] 9360257c8faa19e421acb875de6dacc11658e27d816c323efc4416d4f5c562e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+7df376b035b3d12ff0386ad8b45b76dbe020257b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a27c94c4d2b1eb8d1c089d6fc0319d91a0a83b531088130380443c9c287a6004
[INFO] running `Command { std: "docker" "start" "-a" "a27c94c4d2b1eb8d1c089d6fc0319d91a0a83b531088130380443c9c287a6004", kill_on_drop: false }`
[INFO] [stderr]     Checking matrix v0.1.0-alpha (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] running `Command { std: "docker" "inspect" "a27c94c4d2b1eb8d1c089d6fc0319d91a0a83b531088130380443c9c287a6004", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a27c94c4d2b1eb8d1c089d6fc0319d91a0a83b531088130380443c9c287a6004", kill_on_drop: false }`
[INFO] [stdout] a27c94c4d2b1eb8d1c089d6fc0319d91a0a83b531088130380443c9c287a6004