[INFO] cloning repository https://github.com/koddlers/rust-2021-functional-programming
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/koddlers/rust-2021-functional-programming" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkoddlers%2Frust-2021-functional-programming", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkoddlers%2Frust-2021-functional-programming'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cad8c8acb13afb29619526caebdce7154bf7d7d9
[INFO] building koddlers/rust-2021-functional-programming against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkoddlers%2Frust-2021-functional-programming" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/koddlers/rust-2021-functional-programming
[INFO] finished tweaking git repo https://github.com/koddlers/rust-2021-functional-programming
[INFO] tweaked toml for git repo https://github.com/koddlers/rust-2021-functional-programming written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/koddlers/rust-2021-functional-programming on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/koddlers/rust-2021-functional-programming 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4518b68a39fed0d44f6f1c9d9da538ad9b76593b49bbef6701ddebff18f25800
[INFO] running `Command { std: "docker" "start" "-a" "4518b68a39fed0d44f6f1c9d9da538ad9b76593b49bbef6701ddebff18f25800", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4518b68a39fed0d44f6f1c9d9da538ad9b76593b49bbef6701ddebff18f25800", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4518b68a39fed0d44f6f1c9d9da538ad9b76593b49bbef6701ddebff18f25800", kill_on_drop: false }`
[INFO] [stdout] 4518b68a39fed0d44f6f1c9d9da538ad9b76593b49bbef6701ddebff18f25800
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 27ec645da65f1638d084934199d9f5a6da2760dcc28a4c78499a7c3cce257477
[INFO] running `Command { std: "docker" "start" "-a" "27ec645da65f1638d084934199d9f5a6da2760dcc28a4c78499a7c3cce257477", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-2021-functional-programming v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "27ec645da65f1638d084934199d9f5a6da2760dcc28a4c78499a7c3cce257477", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27ec645da65f1638d084934199d9f5a6da2760dcc28a4c78499a7c3cce257477", kill_on_drop: false }`
[INFO] [stdout] 27ec645da65f1638d084934199d9f5a6da2760dcc28a4c78499a7c3cce257477
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd1b5a2bbda67bfb8dc21c1846f1905aa8d353ca5ddb1b66569c68a67bfeebce
[INFO] running `Command { std: "docker" "start" "-a" "fd1b5a2bbda67bfb8dc21c1846f1905aa8d353ca5ddb1b66569c68a67bfeebce", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-2021-functional-programming v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "fd1b5a2bbda67bfb8dc21c1846f1905aa8d353ca5ddb1b66569c68a67bfeebce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd1b5a2bbda67bfb8dc21c1846f1905aa8d353ca5ddb1b66569c68a67bfeebce", kill_on_drop: false }`
[INFO] [stdout] fd1b5a2bbda67bfb8dc21c1846f1905aa8d353ca5ddb1b66569c68a67bfeebce