[INFO] cloning repository https://github.com/dariuswiles/rust-snippets
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dariuswiles/rust-snippets" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdariuswiles%2Frust-snippets", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdariuswiles%2Frust-snippets'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1ef0c52ae7ce87889f03244a2940e178c4775573
[INFO] checking dariuswiles/rust-snippets against master#e3c43e64eceb00e13b1932229aa9b2d774e6af96 for pr-95953
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdariuswiles%2Frust-snippets" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dariuswiles/rust-snippets on toolchain e3c43e64eceb00e13b1932229aa9b2d774e6af96
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e3c43e64eceb00e13b1932229aa9b2d774e6af96" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dariuswiles/rust-snippets
[INFO] finished tweaking git repo https://github.com/dariuswiles/rust-snippets
[INFO] tweaked toml for git repo https://github.com/dariuswiles/rust-snippets written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/dariuswiles/rust-snippets already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e3c43e64eceb00e13b1932229aa9b2d774e6af96" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+e3c43e64eceb00e13b1932229aa9b2d774e6af96" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c6ea2066e3c4f88794a71dfc4317f85586a1743c092cd3ff3ef605261c882786
[INFO] running `Command { std: "docker" "start" "-a" "c6ea2066e3c4f88794a71dfc4317f85586a1743c092cd3ff3ef605261c882786", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6ea2066e3c4f88794a71dfc4317f85586a1743c092cd3ff3ef605261c882786", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6ea2066e3c4f88794a71dfc4317f85586a1743c092cd3ff3ef605261c882786", kill_on_drop: false }`
[INFO] [stdout] c6ea2066e3c4f88794a71dfc4317f85586a1743c092cd3ff3ef605261c882786
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+e3c43e64eceb00e13b1932229aa9b2d774e6af96" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6e320f78085c1b179daae8a6050e3828b5df5d1fc8fee9b0fc4449424ca7aa4
[INFO] running `Command { std: "docker" "start" "-a" "b6e320f78085c1b179daae8a6050e3828b5df5d1fc8fee9b0fc4449424ca7aa4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]     Checking generic-struct-functions v0.1.0 (/opt/rustwide/workdir/generic-struct-functions)
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking thread-worker v0.1.0 (/opt/rustwide/workdir/thread-worker)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.20s
[INFO] running `Command { std: "docker" "inspect" "b6e320f78085c1b179daae8a6050e3828b5df5d1fc8fee9b0fc4449424ca7aa4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6e320f78085c1b179daae8a6050e3828b5df5d1fc8fee9b0fc4449424ca7aa4", kill_on_drop: false }`
[INFO] [stdout] b6e320f78085c1b179daae8a6050e3828b5df5d1fc8fee9b0fc4449424ca7aa4