[INFO] cloning repository https://github.com/John-Steidley/roller
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/John-Steidley/roller" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJohn-Steidley%2Froller", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJohn-Steidley%2Froller'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 13d8d7143e8f476e22002b8c700ed0c1c9bf48b1
[INFO] checking John-Steidley/roller against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJohn-Steidley%2Froller" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/John-Steidley/roller on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/John-Steidley/roller
[INFO] finished tweaking git repo https://github.com/John-Steidley/roller
[INFO] tweaked toml for git repo https://github.com/John-Steidley/roller written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/John-Steidley/roller already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded advapi32-sys v0.1.2
[INFO] [stderr]   Downloaded time v0.1.34
[INFO] [stderr]   Downloaded kernel32-sys v0.2.1
[INFO] [stderr]   Downloaded memchr v0.1.7
[INFO] [stderr]   Downloaded aho-corasick v0.4.0
[INFO] [stderr]   Downloaded rustc-serialize v0.3.16
[INFO] [stderr]   Downloaded libc v0.2.4
[INFO] [stderr]   Downloaded regex-syntax v0.2.2
[INFO] [stderr]   Downloaded regex v0.1.44
[INFO] [stderr]   Downloaded gcc v0.3.21
[INFO] [stderr]   Downloaded winapi v0.2.5
[INFO] [stderr]   Downloaded rand v0.3.12
[INFO] [stderr]   Downloaded rust-crypto v0.2.34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5e2e64b5e28f89e528364060b93de84fc715437786f9d062b2b9a0dd6655316a
[INFO] running `Command { std: "docker" "start" "-a" "5e2e64b5e28f89e528364060b93de84fc715437786f9d062b2b9a0dd6655316a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e2e64b5e28f89e528364060b93de84fc715437786f9d062b2b9a0dd6655316a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e2e64b5e28f89e528364060b93de84fc715437786f9d062b2b9a0dd6655316a", kill_on_drop: false }`
[INFO] [stdout] 5e2e64b5e28f89e528364060b93de84fc715437786f9d062b2b9a0dd6655316a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 50715ce750843c70d517f681220ec55869ccb30c6964d0b035be2d4e6c93aa2d
[INFO] running `Command { std: "docker" "start" "-a" "50715ce750843c70d517f681220ec55869ccb30c6964d0b035be2d4e6c93aa2d", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.4
[INFO] [stderr]     Checking winapi v0.2.5
[INFO] [stderr]    Compiling gcc v0.3.21
[INFO] [stderr]     Checking rustc-serialize v0.3.16
[INFO] [stderr]     Checking libc v0.1.12
[INFO] [stderr]     Checking regex-syntax v0.2.2
[INFO] [stderr]    Compiling advapi32-sys v0.1.2
[INFO] [stderr]    Compiling kernel32-sys v0.2.1
[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-0.3.16/src/serialize.rs:145:45
[INFO] [stdout]     |
[INFO] [stdout] 145 | ...                   &f_name: &str,
[INFO] [stdout]     |                       ^^^^^^^ pattern not allowed in function without body
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking memchr v0.1.7
[INFO] [stderr]     Checking time v0.1.34
[INFO] [stderr]     Checking aho-corasick v0.4.0
[INFO] [stderr]     Checking rand v0.3.12
[INFO] [stderr]    Compiling rust-crypto v0.2.34
[INFO] [stderr]     Checking regex v0.1.44
[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`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "50715ce750843c70d517f681220ec55869ccb30c6964d0b035be2d4e6c93aa2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50715ce750843c70d517f681220ec55869ccb30c6964d0b035be2d4e6c93aa2d", kill_on_drop: false }`
[INFO] [stdout] 50715ce750843c70d517f681220ec55869ccb30c6964d0b035be2d4e6c93aa2d