[INFO] cloning repository https://github.com/Summer-of-Rust/sor-lab-intro-williamdual
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Summer-of-Rust/sor-lab-intro-williamdual" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSummer-of-Rust%2Fsor-lab-intro-williamdual", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSummer-of-Rust%2Fsor-lab-intro-williamdual'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 636140e8fb76f951a32793aaf01a51b1d8acb19c
[INFO] checking Summer-of-Rust/sor-lab-intro-williamdual against try#8c500c7cefd54fd11d57295f3771d576be9ee415 for pr-145113
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSummer-of-Rust%2Fsor-lab-intro-williamdual" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Summer-of-Rust/sor-lab-intro-williamdual
[INFO] finished tweaking git repo https://github.com/Summer-of-Rust/sor-lab-intro-williamdual
[INFO] tweaked toml for git repo https://github.com/Summer-of-Rust/sor-lab-intro-williamdual written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Summer-of-Rust/sor-lab-intro-williamdual on toolchain 8c500c7cefd54fd11d57295f3771d576be9ee415
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c500c7cefd54fd11d57295f3771d576be9ee415" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Summer-of-Rust/sor-lab-intro-williamdual 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" "+8c500c7cefd54fd11d57295f3771d576be9ee415" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+8c500c7cefd54fd11d57295f3771d576be9ee415" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fbbc92888fd6f8c77a8fca628c4121af53a0932ec5c2781be72c90bdff83bbde
[INFO] running `Command { std: "docker" "start" "-a" "fbbc92888fd6f8c77a8fca628c4121af53a0932ec5c2781be72c90bdff83bbde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fbbc92888fd6f8c77a8fca628c4121af53a0932ec5c2781be72c90bdff83bbde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbbc92888fd6f8c77a8fca628c4121af53a0932ec5c2781be72c90bdff83bbde", kill_on_drop: false }`
[INFO] [stdout] fbbc92888fd6f8c77a8fca628c4121af53a0932ec5c2781be72c90bdff83bbde
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+8c500c7cefd54fd11d57295f3771d576be9ee415" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 57fc782e7385f9186c6a24d40c706940015e5bae70bb845cbdc37e4f4cbaea20
[INFO] running `Command { std: "docker" "start" "-a" "57fc782e7385f9186c6a24d40c706940015e5bae70bb845cbdc37e4f4cbaea20", kill_on_drop: false }`
[INFO] [stderr]     Checking sor-lab-1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] running `Command { std: "docker" "inspect" "57fc782e7385f9186c6a24d40c706940015e5bae70bb845cbdc37e4f4cbaea20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57fc782e7385f9186c6a24d40c706940015e5bae70bb845cbdc37e4f4cbaea20", kill_on_drop: false }`
[INFO] [stdout] 57fc782e7385f9186c6a24d40c706940015e5bae70bb845cbdc37e4f4cbaea20