[INFO] cloning repository https://github.com/natpen/mildril
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/natpen/mildril" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnatpen%2Fmildril", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnatpen%2Fmildril'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b599c8680a34597d56432a3096f5974252a0972e
[INFO] testing natpen/mildril against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnatpen%2Fmildril" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/natpen/mildril on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/natpen/mildril
[INFO] finished tweaking git repo https://github.com/natpen/mildril
[INFO] tweaked toml for git repo https://github.com/natpen/mildril written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/natpen/mildril already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v0.9.2
[INFO] [stderr]   Downloaded quote v0.3.3
[INFO] [stderr]   Downloaded serde v0.8.15
[INFO] [stderr]   Downloaded html5ever v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 09d51dab2b4a534c617bdfa85c15386296a34e3e3cf27c35ec538862ac60d23a
[INFO] running `Command { std: "docker" "start" "-a" "09d51dab2b4a534c617bdfa85c15386296a34e3e3cf27c35ec538862ac60d23a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09d51dab2b4a534c617bdfa85c15386296a34e3e3cf27c35ec538862ac60d23a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09d51dab2b4a534c617bdfa85c15386296a34e3e3cf27c35ec538862ac60d23a", kill_on_drop: false }`
[INFO] [stdout] 09d51dab2b4a534c617bdfa85c15386296a34e3e3cf27c35ec538862ac60d23a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f60d4159f2a91418b497873fc41dbd9120afb2d9df0c5b34e5ec48cbfb1d104f
[INFO] running `Command { std: "docker" "start" "-a" "f60d4159f2a91418b497873fc41dbd9120afb2d9df0c5b34e5ec48cbfb1d104f", kill_on_drop: false }`
[INFO] [stderr]    Compiling gcc v0.3.37
[INFO] [stderr]    Compiling phf_shared v0.7.17
[INFO] [stderr]    Compiling encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling matches v0.1.3
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling rustc-serialize v0.3.19
[INFO] [stderr]    Compiling quote v0.3.3
[INFO] [stderr]    Compiling unicode-xid v0.0.3
[INFO] [stderr]    Compiling mac v0.0.2
[INFO] [stderr]    Compiling serde v0.8.15
[INFO] [stderr]    Compiling typeable v0.1.2
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling rand v0.3.14
[INFO] [stderr]    Compiling num_cpus v0.2.13
[INFO] [stderr]    Compiling openssl-sys v0.7.17
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling unicase v1.4.0
[INFO] [stderr]    Compiling solicit v0.4.4
[INFO] [stderr]    Compiling time v0.1.35
[INFO] [stderr]    Compiling unreachable v0.1.1
[INFO] [stderr]    Compiling encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-japanese v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-korean v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]    Compiling unicode-bidi v0.2.3
[INFO] [stderr]    Compiling utf-8 v0.6.0
[INFO] [stderr]    Compiling phf v0.7.17
[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 debug_unreachable v0.1.1
[INFO] [stderr]    Compiling futf v0.1.2
[INFO] [stderr]    Compiling syn v0.9.2
[INFO] [stderr]    Compiling idna v0.1.0
[INFO] [stderr]    Compiling encoding v0.2.33
[INFO] [stderr]    Compiling phf_generator v0.7.17
[INFO] [stderr]    Compiling phf_codegen v0.7.17
[INFO] [stderr]    Compiling openssl-sys-extras v0.7.14
[INFO] [stderr]    Compiling openssl v0.7.14
[INFO] [stderr]    Compiling string_cache v0.2.29
[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] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "f60d4159f2a91418b497873fc41dbd9120afb2d9df0c5b34e5ec48cbfb1d104f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f60d4159f2a91418b497873fc41dbd9120afb2d9df0c5b34e5ec48cbfb1d104f", kill_on_drop: false }`
[INFO] [stdout] f60d4159f2a91418b497873fc41dbd9120afb2d9df0c5b34e5ec48cbfb1d104f