[INFO] cloning repository https://github.com/buntine/pfnp-course
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/buntine/pfnp-course" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbuntine%2Fpfnp-course", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbuntine%2Fpfnp-course'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b7cc87ac5307628e4f68dfe8d3a49e560bd248ed
[INFO] checking buntine/pfnp-course against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbuntine%2Fpfnp-course" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/buntine/pfnp-course on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/buntine/pfnp-course
[INFO] finished tweaking git repo https://github.com/buntine/pfnp-course
[INFO] tweaked toml for git repo https://github.com/buntine/pfnp-course written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/buntine/pfnp-course already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num_cpus v0.2.10
[INFO] [stderr]   Downloaded unicase v1.0.1
[INFO] [stderr]   Downloaded num v0.1.28
[INFO] [stderr]   Downloaded plugin v0.2.6
[INFO] [stderr]   Downloaded memchr v0.1.7
[INFO] [stderr]   Downloaded rand v0.3.12
[INFO] [stderr]   Downloaded modifier v0.1.0
[INFO] [stderr]   Downloaded mustache v0.6.3
[INFO] [stderr]   Downloaded aho-corasick v0.4.0
[INFO] [stderr]   Downloaded url v0.2.38
[INFO] [stderr]   Downloaded groupable v0.2.0
[INFO] [stderr]   Downloaded serde v0.6.1
[INFO] [stderr]   Downloaded nickel v0.7.3
[INFO] [stderr]   Downloaded mime v0.1.1
[INFO] [stderr]   Downloaded regex v0.1.43
[INFO] [stderr]   Downloaded hyper v0.6.16
[INFO] [stderr]   Downloaded regex-syntax v0.2.2
[INFO] [stderr]   Downloaded log v0.3.4
[INFO] [stderr]   Downloaded uuid v0.1.18
[INFO] [stderr]   Downloaded traitobject v0.0.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7e86d5a1e572e5d14e77f9f0d292cc4bb47603961ebc0997a6a732c53b661bf6
[INFO] running `Command { std: "docker" "start" "-a" "7e86d5a1e572e5d14e77f9f0d292cc4bb47603961ebc0997a6a732c53b661bf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e86d5a1e572e5d14e77f9f0d292cc4bb47603961ebc0997a6a732c53b661bf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e86d5a1e572e5d14e77f9f0d292cc4bb47603961ebc0997a6a732c53b661bf6", kill_on_drop: false }`
[INFO] [stdout] 7e86d5a1e572e5d14e77f9f0d292cc4bb47603961ebc0997a6a732c53b661bf6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ceff6ab4cfbca40511fdff0e1560f1cdc7561fe5ebc38977e51b599be4f58e13
[INFO] running `Command { std: "docker" "start" "-a" "ceff6ab4cfbca40511fdff0e1560f1cdc7561fe5ebc38977e51b599be4f58e13", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.2
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking winapi v0.2.5
[INFO] [stderr]     Checking rustc-serialize v0.3.16
[INFO] [stderr]     Checking traitobject v0.0.3
[INFO] [stderr]     Checking matches v0.1.2
[INFO] [stderr]     Checking regex-syntax v0.2.2
[INFO] [stderr]     Checking unicase v1.0.1
[INFO] [stderr]     Checking httparse v1.0.0
[INFO] [stderr]     Checking language-tags v0.0.7
[INFO] [stderr]     Checking lazy_static v0.1.15
[INFO] [stderr]     Checking groupable v0.2.0
[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 unsafe-any v0.4.1
[INFO] [stderr]     Checking log v0.3.4
[INFO] [stderr]     Checking memchr v0.1.7
[INFO] [stderr]     Checking aho-corasick v0.4.0
[INFO] [stderr]    Compiling advapi32-sys v0.1.2
[INFO] [stderr]    Compiling kernel32-sys v0.2.1
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]     Checking hpack v0.2.0
[INFO] [stderr]     Checking plugin v0.2.6
[INFO] [stderr]     Checking solicit v0.4.4
[INFO] [stderr]     Checking regex v0.1.43
[INFO] [stderr]     Checking time v0.1.34
[INFO] [stderr]     Checking num_cpus v0.2.10
[INFO] [stderr]     Checking rand v0.3.12
[INFO] [stdout] error[E0446]: private type `SingleSearch` in public interface
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-0.1.43/src/prefix.rs:46:12
[INFO] [stdout]     |
[INFO] [stdout] 46  |     Single(SingleSearch),
[INFO] [stdout]     |            ^^^^^^^^^^^^ can't leak private type
[INFO] [stdout] ...
[INFO] [stdout] 169 | struct SingleSearch {
[INFO] [stdout]     | ------------------- `SingleSearch` declared as private
[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 E0446`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `regex`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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: build failed
[INFO] running `Command { std: "docker" "inspect" "ceff6ab4cfbca40511fdff0e1560f1cdc7561fe5ebc38977e51b599be4f58e13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ceff6ab4cfbca40511fdff0e1560f1cdc7561fe5ebc38977e51b599be4f58e13", kill_on_drop: false }`
[INFO] [stdout] ceff6ab4cfbca40511fdff0e1560f1cdc7561fe5ebc38977e51b599be4f58e13