[INFO] cloning repository https://github.com/collinsmith/rust-by-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/collinsmith/rust-by-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcollinsmith%2Frust-by-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcollinsmith%2Frust-by-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a198148af655a4d5fbd1b4fe7bd16c046395606b
[INFO] checking collinsmith/rust-by-example against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcollinsmith%2Frust-by-example" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/collinsmith/rust-by-example on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/collinsmith/rust-by-example
[INFO] finished tweaking git repo https://github.com/collinsmith/rust-by-example
[INFO] tweaked toml for git repo https://github.com/collinsmith/rust-by-example written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/collinsmith/rust-by-example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 491a98ebe23406e445d92d08ed6561857f9ae97cd6a6da980f9a9e860a4e8f07
[INFO] running `Command { std: "docker" "start" "-a" "491a98ebe23406e445d92d08ed6561857f9ae97cd6a6da980f9a9e860a4e8f07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "491a98ebe23406e445d92d08ed6561857f9ae97cd6a6da980f9a9e860a4e8f07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "491a98ebe23406e445d92d08ed6561857f9ae97cd6a6da980f9a9e860a4e8f07", kill_on_drop: false }`
[INFO] [stdout] 491a98ebe23406e445d92d08ed6561857f9ae97cd6a6da980f9a9e860a4e8f07
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 17825f0fe196462120783676408fa19342a73c8b271bd2140b03498d2485366a
[INFO] running `Command { std: "docker" "start" "-a" "17825f0fe196462120783676408fa19342a73c8b271bd2140b03498d2485366a", kill_on_drop: false }`
[INFO] [stderr]     Checking hello-world v0.1.0 (/opt/rustwide/workdir/1-0-hello-world)
[INFO] [stderr]     Checking debug v0.1.0 (/opt/rustwide/workdir/1-2-1-debug)
[INFO] [stderr]     Checking casting v0.1.0 (/opt/rustwide/workdir/5-1-casting)
[INFO] [stderr]     Checking comments v0.1.0 (/opt/rustwide/workdir/1-1-0-comments)
[INFO] [stderr]     Checking linked_list v0.1.0 (/opt/rustwide/workdir/3-2-3-linked_list)
[INFO] [stderr]     Checking enums v0.1.0 (/opt/rustwide/workdir/3-2-0-enums)
[INFO] [stderr]     Checking tuples v0.1.0 (/opt/rustwide/workdir/2-2-tuples)
[INFO] [stderr]     Checking display v0.1.0 (/opt/rustwide/workdir/1-2-2-display)
[INFO] [stderr]     Checking formatting v0.1.0 (/opt/rustwide/workdir/1-2-3-formatting)
[INFO] [stderr]     Checking formatted-print v0.1.0 (/opt/rustwide/workdir/1-2-0-formatted-print)
[INFO] [stderr]     Checking arrays_and_slices v0.1.0 (/opt/rustwide/workdir/2-3-arrays_and_slices)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "17825f0fe196462120783676408fa19342a73c8b271bd2140b03498d2485366a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17825f0fe196462120783676408fa19342a73c8b271bd2140b03498d2485366a", kill_on_drop: false }`
[INFO] [stdout] 17825f0fe196462120783676408fa19342a73c8b271bd2140b03498d2485366a