[INFO] cloning repository https://github.com/nixwork/rust-learning-loops
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nixwork/rust-learning-loops" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnixwork%2Frust-learning-loops", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnixwork%2Frust-learning-loops'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fc87bd2a3bf5f68eb8960cfac8a2e38b5fcffb2c
[INFO] testing nixwork/rust-learning-loops against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnixwork%2Frust-learning-loops" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nixwork/rust-learning-loops on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nixwork/rust-learning-loops
[INFO] finished tweaking git repo https://github.com/nixwork/rust-learning-loops
[INFO] tweaked toml for git repo https://github.com/nixwork/rust-learning-loops written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/nixwork/rust-learning-loops already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 255cd8bbe8f340e8a88cc693feec89c18f6d3170a0cb6b15208abb68bfcfbbc4
[INFO] running `Command { std: "docker" "start" "-a" "255cd8bbe8f340e8a88cc693feec89c18f6d3170a0cb6b15208abb68bfcfbbc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "255cd8bbe8f340e8a88cc693feec89c18f6d3170a0cb6b15208abb68bfcfbbc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "255cd8bbe8f340e8a88cc693feec89c18f6d3170a0cb6b15208abb68bfcfbbc4", kill_on_drop: false }`
[INFO] [stdout] 255cd8bbe8f340e8a88cc693feec89c18f6d3170a0cb6b15208abb68bfcfbbc4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 539db97ce6ab2c560c74c2a1c0635f1bfb8d6225c7d6db3006c2f2030fd86635
[INFO] running `Command { std: "docker" "start" "-a" "539db97ce6ab2c560c74c2a1c0635f1bfb8d6225c7d6db3006c2f2030fd86635", kill_on_drop: false }`
[INFO] [stderr]    Compiling loops v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "539db97ce6ab2c560c74c2a1c0635f1bfb8d6225c7d6db3006c2f2030fd86635", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "539db97ce6ab2c560c74c2a1c0635f1bfb8d6225c7d6db3006c2f2030fd86635", kill_on_drop: false }`
[INFO] [stdout] 539db97ce6ab2c560c74c2a1c0635f1bfb8d6225c7d6db3006c2f2030fd86635
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb5629a9662203b8f6c32e58b93ec64d1a844a7bff62f5a9e261e4997bd39d8e
[INFO] running `Command { std: "docker" "start" "-a" "cb5629a9662203b8f6c32e58b93ec64d1a844a7bff62f5a9e261e4997bd39d8e", kill_on_drop: false }`
[INFO] [stderr]    Compiling loops v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "cb5629a9662203b8f6c32e58b93ec64d1a844a7bff62f5a9e261e4997bd39d8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb5629a9662203b8f6c32e58b93ec64d1a844a7bff62f5a9e261e4997bd39d8e", kill_on_drop: false }`
[INFO] [stdout] cb5629a9662203b8f6c32e58b93ec64d1a844a7bff62f5a9e261e4997bd39d8e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 96b5699967cbde0384133bbc609d59c7b7252ed3cf3a00c4f481b1ca70ac5c79
[INFO] running `Command { std: "docker" "start" "-a" "96b5699967cbde0384133bbc609d59c7b7252ed3cf3a00c4f481b1ca70ac5c79", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/loops-82551351ee4a3440)
[INFO] running `Command { std: "docker" "inspect" "96b5699967cbde0384133bbc609d59c7b7252ed3cf3a00c4f481b1ca70ac5c79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96b5699967cbde0384133bbc609d59c7b7252ed3cf3a00c4f481b1ca70ac5c79", kill_on_drop: false }`
[INFO] [stdout] 96b5699967cbde0384133bbc609d59c7b7252ed3cf3a00c4f481b1ca70ac5c79