[INFO] cloning repository https://github.com/neiltbrown/rocker
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/neiltbrown/rocker" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneiltbrown%2Frocker", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneiltbrown%2Frocker'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c91f52a16b5963793aabe2884b67ef931aa1189c
[INFO] testing neiltbrown/rocker against master#67da586efe13aa66eef576ba095e1875ba65fd20 for pr-112849
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneiltbrown%2Frocker" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/neiltbrown/rocker on toolchain 67da586efe13aa66eef576ba095e1875ba65fd20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+67da586efe13aa66eef576ba095e1875ba65fd20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/neiltbrown/rocker
[INFO] finished tweaking git repo https://github.com/neiltbrown/rocker
[INFO] tweaked toml for git repo https://github.com/neiltbrown/rocker written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/neiltbrown/rocker 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" "+67da586efe13aa66eef576ba095e1875ba65fd20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+67da586efe13aa66eef576ba095e1875ba65fd20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9fe570e866cee2af57b8533a0de81f1a87e330879f30c9200040f4e5dfb40fec
[INFO] running `Command { std: "docker" "start" "-a" "9fe570e866cee2af57b8533a0de81f1a87e330879f30c9200040f4e5dfb40fec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9fe570e866cee2af57b8533a0de81f1a87e330879f30c9200040f4e5dfb40fec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fe570e866cee2af57b8533a0de81f1a87e330879f30c9200040f4e5dfb40fec", kill_on_drop: false }`
[INFO] [stdout] 9fe570e866cee2af57b8533a0de81f1a87e330879f30c9200040f4e5dfb40fec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+67da586efe13aa66eef576ba095e1875ba65fd20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5474f6a5c57211245283d727bd26b04ff6c567d1d0909994868780ba35666882
[INFO] running `Command { std: "docker" "start" "-a" "5474f6a5c57211245283d727bd26b04ff6c567d1d0909994868780ba35666882", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustc-serialize v0.3.19
[INFO] [stdout] error[E0642]: patterns aren't allowed in functions without bodies
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.3.19/src/serialize.rs:147:45
[INFO] [stdout]     |
[INFO] [stdout] 147 | ...                   &f_name: &str,
[INFO] [stdout]     |                       ^^^^^^^ pattern not allowed in function without body
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0642`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustc-serialize` (lib) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "5474f6a5c57211245283d727bd26b04ff6c567d1d0909994868780ba35666882", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5474f6a5c57211245283d727bd26b04ff6c567d1d0909994868780ba35666882", kill_on_drop: false }`
[INFO] [stdout] 5474f6a5c57211245283d727bd26b04ff6c567d1d0909994868780ba35666882