[INFO] cloning repository https://github.com/sector-f/wallst
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sector-f/wallst" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsector-f%2Fwallst", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsector-f%2Fwallst'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1354c628651c0df9b4cac707231917df71e847f6
[INFO] testing sector-f/wallst against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsector-f%2Fwallst" "/workspace/builds/worker-41/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-41/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sector-f/wallst on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sector-f/wallst
[INFO] finished tweaking git repo https://github.com/sector-f/wallst
[INFO] tweaked toml for git repo https://github.com/sector-f/wallst written to /workspace/builds/worker-41/source/Cargo.toml
[INFO] crate git repo https://github.com/sector-f/wallst already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6697abe3384eea69bed88502005398f8f4ecf43b7091b6295da225aed17a1b98
[INFO] running `Command { std: "docker" "start" "-a" "6697abe3384eea69bed88502005398f8f4ecf43b7091b6295da225aed17a1b98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6697abe3384eea69bed88502005398f8f4ecf43b7091b6295da225aed17a1b98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6697abe3384eea69bed88502005398f8f4ecf43b7091b6295da225aed17a1b98", kill_on_drop: false }`
[INFO] [stdout] 6697abe3384eea69bed88502005398f8f4ecf43b7091b6295da225aed17a1b98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e638fd40833840baf723d75edd53007f3da84136fa7592a4ea950c1a24173c6d
[INFO] running `Command { std: "docker" "start" "-a" "e638fd40833840baf723d75edd53007f3da84136fa7592a4ea950c1a24173c6d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.15
[INFO] [stderr]    Compiling num-traits v0.1.35
[INFO] [stderr]    Compiling rustc-serialize v0.3.19
[INFO] [stderr]    Compiling phf_shared v0.7.16
[INFO] [stderr]    Compiling gcc v0.3.35
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling color_quant v1.0.0
[INFO] [stderr]    Compiling inflate v0.1.1
[INFO] [stderr]    Compiling log v0.3.6
[INFO] [stderr]    Compiling scoped_threadpool v0.1.7
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling bitflags v0.5.0
[INFO] [stderr]    Compiling strsim v0.4.1
[INFO] [stderr]    Compiling vec_map v0.6.0
[INFO] [stderr]    Compiling unicode-width v0.1.3
[INFO] [stderr]    Compiling ansi_term v0.7.5
[INFO] [stderr]    Compiling approx v0.1.1
[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 phf v0.7.16
[INFO] [stderr]    Compiling gif v0.9.0
[INFO] [stderr]    Compiling rand v0.3.14
[INFO] [stderr]    Compiling num_cpus v0.2.13
[INFO] [stderr]    Compiling term_size v0.1.1
[INFO] [stderr]    Compiling clap v2.9.3
[INFO] [stderr]    Compiling xcb v0.7.5
[INFO] [stderr]    Compiling num-integer v0.1.32
[INFO] [stderr]    Compiling miniz-sys v0.1.7
[INFO] [stderr]    Compiling num-iter v0.1.32
[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" "e638fd40833840baf723d75edd53007f3da84136fa7592a4ea950c1a24173c6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e638fd40833840baf723d75edd53007f3da84136fa7592a4ea950c1a24173c6d", kill_on_drop: false }`
[INFO] [stdout] e638fd40833840baf723d75edd53007f3da84136fa7592a4ea950c1a24173c6d