[INFO] cloning repository https://github.com/5angXR/ch8_collections
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/5angXR/ch8_collections" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F5angXR%2Fch8_collections", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F5angXR%2Fch8_collections'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fd0a6b01910d151c6a8991ce333e1b69e8ab7c7d
[INFO] checking 5angXR/ch8_collections against try#a3dffdb3a32d0dedc198f9de7d43173f3eb6727b for pr-136303
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F5angXR%2Fch8_collections" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/5angXR/ch8_collections on toolchain a3dffdb3a32d0dedc198f9de7d43173f3eb6727b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3dffdb3a32d0dedc198f9de7d43173f3eb6727b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/5angXR/ch8_collections
[INFO] finished tweaking git repo https://github.com/5angXR/ch8_collections
[INFO] tweaked toml for git repo https://github.com/5angXR/ch8_collections written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/5angXR/ch8_collections 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" "+a3dffdb3a32d0dedc198f9de7d43173f3eb6727b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+a3dffdb3a32d0dedc198f9de7d43173f3eb6727b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3a1ca9e2416cc85edebadf2ca64804a15b6669fa85102d4f15629f69bce9fc9d
[INFO] running `Command { std: "docker" "start" "-a" "3a1ca9e2416cc85edebadf2ca64804a15b6669fa85102d4f15629f69bce9fc9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a1ca9e2416cc85edebadf2ca64804a15b6669fa85102d4f15629f69bce9fc9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a1ca9e2416cc85edebadf2ca64804a15b6669fa85102d4f15629f69bce9fc9d", kill_on_drop: false }`
[INFO] [stdout] 3a1ca9e2416cc85edebadf2ca64804a15b6669fa85102d4f15629f69bce9fc9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+a3dffdb3a32d0dedc198f9de7d43173f3eb6727b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b844bd71016035408948e66d0291d5b79ac874f6425d94a8c2bc4ec1d29cd48e
[INFO] running `Command { std: "docker" "start" "-a" "b844bd71016035408948e66d0291d5b79ac874f6425d94a8c2bc4ec1d29cd48e", kill_on_drop: false }`
[INFO] [stderr]     Checking ch8_collections v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "b844bd71016035408948e66d0291d5b79ac874f6425d94a8c2bc4ec1d29cd48e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b844bd71016035408948e66d0291d5b79ac874f6425d94a8c2bc4ec1d29cd48e", kill_on_drop: false }`
[INFO] [stdout] b844bd71016035408948e66d0291d5b79ac874f6425d94a8c2bc4ec1d29cd48e
