[INFO] cloning repository https://github.com/sam-roth/fractals
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sam-roth/fractals" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsam-roth%2Ffractals", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsam-roth%2Ffractals'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7aeb018005808fb581a4fa2520a39a0429d3b393
[INFO] testing sam-roth/fractals against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsam-roth%2Ffractals" "/workspace/builds/worker-26/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-26/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sam-roth/fractals on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sam-roth/fractals
[INFO] finished tweaking git repo https://github.com/sam-roth/fractals
[INFO] tweaked toml for git repo https://github.com/sam-roth/fractals written to /workspace/builds/worker-26/source/Cargo.toml
[INFO] crate git repo https://github.com/sam-roth/fractals already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libloading v0.2.4
[INFO] [stderr]   Downloaded target_build_utils v0.1.1
[INFO] [stderr]   Downloaded serde_json v0.8.2
[INFO] [stderr]   Downloaded glutin v0.6.1
[INFO] [stderr]   Downloaded gleam v0.2.22
[INFO] [stderr]   Downloaded serde v0.8.12
[INFO] [stderr]   Downloaded x11-dl v2.9.0
[INFO] [stderr]   Downloaded gcc v0.3.36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a87764bd06c2b8e64786e3f634abb4628d7872d5c6528311f261a06a5042459
[INFO] running `Command { std: "docker" "start" "-a" "6a87764bd06c2b8e64786e3f634abb4628d7872d5c6528311f261a06a5042459", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a87764bd06c2b8e64786e3f634abb4628d7872d5c6528311f261a06a5042459", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a87764bd06c2b8e64786e3f634abb4628d7872d5c6528311f261a06a5042459", kill_on_drop: false }`
[INFO] [stdout] 6a87764bd06c2b8e64786e3f634abb4628d7872d5c6528311f261a06a5042459
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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=warn" "-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" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f3b69fc74f1f717648746d4e159a03475a4b929e506d401f3ef769b3617f9b3e
[INFO] running `Command { std: "docker" "start" "-a" "f3b69fc74f1f717648746d4e159a03475a4b929e506d401f3ef769b3617f9b3e", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v0.8.12
[INFO] [stderr]    Compiling gcc v0.3.36
[INFO] [stderr]    Compiling rustc-serialize v0.3.19
[INFO] [stderr]    Compiling x11-dl v2.9.0
[INFO] [stderr]    Compiling glutin v0.6.1
[INFO] [stdout] error[E0642]: patterns aren't allowed in functions without bodies
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/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] [stderr]    Compiling backtrace-sys v0.1.4
[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` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "f3b69fc74f1f717648746d4e159a03475a4b929e506d401f3ef769b3617f9b3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3b69fc74f1f717648746d4e159a03475a4b929e506d401f3ef769b3617f9b3e", kill_on_drop: false }`
[INFO] [stdout] f3b69fc74f1f717648746d4e159a03475a4b929e506d401f3ef769b3617f9b3e