[INFO] cloning repository https://github.com/ProCynic/hello-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ProCynic/hello-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FProCynic%2Fhello-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FProCynic%2Fhello-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c765f4a5be06a6192d02bb7f1a1e45489585f028
[INFO] testing ProCynic/hello-rust against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FProCynic%2Fhello-rust" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ProCynic/hello-rust on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ProCynic/hello-rust
[INFO] finished tweaking git repo https://github.com/ProCynic/hello-rust
[INFO] tweaked toml for git repo https://github.com/ProCynic/hello-rust written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/ProCynic/hello-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "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 route-recognizer v0.1.11
[INFO] [stderr]   Downloaded matches v0.1.2
[INFO] [stderr]   Downloaded phf_shared v0.7.3
[INFO] [stderr]   Downloaded openssl v0.6.4
[INFO] [stderr]   Downloaded phf v0.7.3
[INFO] [stderr]   Downloaded phf_generator v0.7.3
[INFO] [stderr]   Downloaded bodyparser v0.0.6
[INFO] [stderr]   Downloaded iron v0.1.20
[INFO] [stderr]   Downloaded error v0.1.7
[INFO] [stderr]   Downloaded language-tags v0.0.7
[INFO] [stderr]   Downloaded pkg-config v0.3.5
[INFO] [stderr]   Downloaded lazy_static v0.1.12
[INFO] [stderr]   Downloaded tempdir v0.3.4
[INFO] [stderr]   Downloaded url v0.2.36
[INFO] [stderr]   Downloaded cookie v0.1.21
[INFO] [stderr]   Downloaded unicase v0.1.0
[INFO] [stderr]   Downloaded hyper v0.6.6
[INFO] [stderr]   Downloaded persistent v0.0.6
[INFO] [stderr]   Downloaded gcc v0.3.12
[INFO] [stderr]   Downloaded solicit v0.4.0
[INFO] [stderr]   Downloaded debug-builders v0.1.0
[INFO] [stderr]   Downloaded router v0.0.10
[INFO] [stderr]   Downloaded winapi v0.2.1
[INFO] [stderr]   Downloaded mime v0.0.12
[INFO] [stderr]   Downloaded rand v0.3.9
[INFO] [stderr]   Downloaded pnacl-build-helper v1.4.9
[INFO] [stderr]   Downloaded postgres v0.9.4
[INFO] [stderr]   Downloaded openssl-sys v0.6.4
[INFO] [stderr]   Downloaded rustc-serialize v0.3.15
[INFO] [stderr]   Downloaded httparse v0.1.5
[INFO] [stderr]   Downloaded num_cpus v0.2.6
[INFO] [stderr]   Downloaded kernel32-sys v0.1.3
[INFO] [stderr]   Downloaded advapi32-sys v0.1.2
[INFO] [stderr]   Downloaded phf_codegen v0.7.3
[INFO] [stderr]   Downloaded bitflags v0.3.2
[INFO] [stderr]   Downloaded byteorder v0.3.11
[INFO] [stderr]   Downloaded bufstream v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 643a6970d0afec01d98e449703f06d098ce10f4b9d4b507942236853cfc9a2bc
[INFO] running `Command { std: "docker" "start" "-a" "643a6970d0afec01d98e449703f06d098ce10f4b9d4b507942236853cfc9a2bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "643a6970d0afec01d98e449703f06d098ce10f4b9d4b507942236853cfc9a2bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "643a6970d0afec01d98e449703f06d098ce10f4b9d4b507942236853cfc9a2bc", kill_on_drop: false }`
[INFO] [stdout] 643a6970d0afec01d98e449703f06d098ce10f4b9d4b507942236853cfc9a2bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b405139e3e42031fd084ef02ab897b78b1c5f5e57881ee44f95aed835a367b3
[INFO] running `Command { std: "docker" "start" "-a" "5b405139e3e42031fd084ef02ab897b78b1c5f5e57881ee44f95aed835a367b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.1.8
[INFO] [stderr]    Compiling winapi v0.2.1
[INFO] [stderr]    Compiling pkg-config v0.3.5
[INFO] [stderr]    Compiling gcc v0.3.12
[INFO] [stderr]    Compiling rustc-serialize v0.3.15
[INFO] [stderr]    Compiling bitflags v0.3.2
[INFO] [stderr]    Compiling lazy_static v0.1.12
[INFO] [stderr]    Compiling matches v0.1.2
[INFO] [stderr]    Compiling phf_shared v0.7.3
[INFO] [stderr]    Compiling httparse v0.1.5
[INFO] [stderr]    Compiling language-tags v0.0.7
[INFO] [stderr]    Compiling unicase v0.1.0
[INFO] [stderr]    Compiling debug-builders v0.1.0
[INFO] [stderr]    Compiling byteorder v0.3.11
[INFO] [stderr]    Compiling route-recognizer v0.1.11
[INFO] [stderr]    Compiling bufstream v0.1.1
[INFO] [stderr]    Compiling kernel32-sys v0.1.3
[INFO] [stderr]    Compiling advapi32-sys v0.1.2
[INFO] [stderr]    Compiling error v0.1.7
[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-0.3.15/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]    Compiling log v0.3.1
[INFO] [stderr]    Compiling num_cpus v0.2.6
[INFO] [stderr]    Compiling phf v0.7.3
[INFO] [stderr]    Compiling hpack v0.2.0
[INFO] [stderr]    Compiling mime v0.0.12
[INFO] [stdout] error[E0277]: the size for values of type `Self` cannot be known at compilation time
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.15/src/serialize.rs:201:41
[INFO] [stdout]     |
[INFO] [stdout] 201 |     fn decode<D: Decoder>(d: &mut D) -> Result<Self, D::Error>;
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]     |
[INFO] [stdout] help: consider further restricting `Self`
[INFO] [stdout]     |
[INFO] [stdout] 201 |     fn decode<D: Decoder>(d: &mut D) -> Result<Self, D::Error> where Self: Sized;
[INFO] [stdout]     |                                                                ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustc-serialize`
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0642.
[INFO] [stdout] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "5b405139e3e42031fd084ef02ab897b78b1c5f5e57881ee44f95aed835a367b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b405139e3e42031fd084ef02ab897b78b1c5f5e57881ee44f95aed835a367b3", kill_on_drop: false }`
[INFO] [stdout] 5b405139e3e42031fd084ef02ab897b78b1c5f5e57881ee44f95aed835a367b3