[INFO] cloning repository https://github.com/yoshuawuyts/rust-swagger-to-md
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yoshuawuyts/rust-swagger-to-md" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyoshuawuyts%2Frust-swagger-to-md", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyoshuawuyts%2Frust-swagger-to-md'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 70c7824a330fbb44eff821f7f7968af62c323b59
[INFO] checking yoshuawuyts/rust-swagger-to-md against master#c3def263a44e07e09ae6d57abfc8650227fb4972 for pr-118916
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyoshuawuyts%2Frust-swagger-to-md" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yoshuawuyts/rust-swagger-to-md on toolchain c3def263a44e07e09ae6d57abfc8650227fb4972
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c3def263a44e07e09ae6d57abfc8650227fb4972" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yoshuawuyts/rust-swagger-to-md
[INFO] finished tweaking git repo https://github.com/yoshuawuyts/rust-swagger-to-md
[INFO] tweaked toml for git repo https://github.com/yoshuawuyts/rust-swagger-to-md written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/yoshuawuyts/rust-swagger-to-md already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c3def263a44e07e09ae6d57abfc8650227fb4972" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking yoshuawuyts/rust-swagger-to-md against try#3d5258f568a4b4970d455e4e29f39fd691b5a41a for pr-118916
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyoshuawuyts%2Frust-swagger-to-md" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yoshuawuyts/rust-swagger-to-md on toolchain 3d5258f568a4b4970d455e4e29f39fd691b5a41a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3d5258f568a4b4970d455e4e29f39fd691b5a41a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yoshuawuyts/rust-swagger-to-md
[INFO] finished tweaking git repo https://github.com/yoshuawuyts/rust-swagger-to-md
[INFO] tweaked toml for git repo https://github.com/yoshuawuyts/rust-swagger-to-md written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/yoshuawuyts/rust-swagger-to-md already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3d5258f568a4b4970d455e4e29f39fd691b5a41a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde v0.6.14
[INFO] [stderr]   Downloaded rustc-serialize v0.3.18
[INFO] [stderr]   Downloaded serde_json v0.6.0
[INFO] [stderr]   Downloaded num v0.1.31
[INFO] [stderr]   Downloaded libc v0.2.7
[INFO] [stderr]   Downloaded aster v0.13.1
[INFO] [stderr]   Downloaded serde_codegen v0.6.14
[INFO] [stderr]   Downloaded quasi v0.7.0
[INFO] [stderr]   Downloaded quasi_codegen v0.7.0
[INFO] [stderr]   Downloaded quasi_macros v0.7.0
[INFO] [stderr]   Downloaded serde_macros v0.6.14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3d5258f568a4b4970d455e4e29f39fd691b5a41a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c3c32fdec60dead7cef96d217652210db5d54c7ac5cb12afdbf36831cd8c776c
[INFO] running `Command { std: "docker" "start" "-a" "c3c32fdec60dead7cef96d217652210db5d54c7ac5cb12afdbf36831cd8c776c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3c32fdec60dead7cef96d217652210db5d54c7ac5cb12afdbf36831cd8c776c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3c32fdec60dead7cef96d217652210db5d54c7ac5cb12afdbf36831cd8c776c", kill_on_drop: false }`
[INFO] [stdout] c3c32fdec60dead7cef96d217652210db5d54c7ac5cb12afdbf36831cd8c776c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3d5258f568a4b4970d455e4e29f39fd691b5a41a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7c677baa8c4fcf37a6579e878d6924d9b5a1a1ecaa7d93605ec27ad79c1df5c
[INFO] running `Command { std: "docker" "start" "-a" "e7c677baa8c4fcf37a6579e878d6924d9b5a1a1ecaa7d93605ec27ad79c1df5c", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.7
[INFO] [stderr]    Compiling aster v0.13.1
[INFO] [stderr]     Checking rustc-serialize v0.3.18
[INFO] [stderr]    Compiling serde_codegen v0.6.14
[INFO] [stderr]    Compiling quasi v0.7.0
[INFO] [stderr]     Checking getopts v0.2.14
[INFO] [stdout] error[E0463]: can't find crate for `syntax`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/aster-0.13.1/src/lib.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | extern crate syntax;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `syntax`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/quasi-0.7.0/src/lib.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | extern crate syntax;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `panictry` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/quasi-0.7.0/src/lib.rs:340:9
[INFO] [stdout]     |
[INFO] [stdout] 340 |         panictry!(parser.parse_expr())
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `panictry` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/quasi-0.7.0/src/lib.rs:344:9
[INFO] [stdout]     |
[INFO] [stdout] 344 |         panictry!(parser.parse_item())
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `panictry` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/quasi-0.7.0/src/lib.rs:348:9
[INFO] [stdout]     |
[INFO] [stdout] 348 |         panictry!(parser.parse_pat())
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `panictry` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/quasi-0.7.0/src/lib.rs:352:9
[INFO] [stdout]     |
[INFO] [stdout] 352 |         panictry!(parser.parse_arm())
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `panictry` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/quasi-0.7.0/src/lib.rs:356:9
[INFO] [stdout]     |
[INFO] [stdout] 356 |         panictry!(parser.parse_ty())
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `panictry` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/quasi-0.7.0/src/lib.rs:360:5
[INFO] [stdout]     |
[INFO] [stdout] 360 |     panictry!(parser.parse_stmt())
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `panictry` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/quasi-0.7.0/src/lib.rs:364:9
[INFO] [stdout]     |
[INFO] [stdout] 364 |         panictry!(parser.parse_attribute(permit_inner))
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0642]: patterns aren't allowed in functions without bodies
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.3.18/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] [stdout] error: aborting due to 8 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `quasi` (lib) due to 9 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `aster` (lib) due to 2 previous errors
[INFO] [stdout] error[E0503]: cannot use `state` because it was mutably borrowed
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/getopts-0.2.14/src/lib.rs:1008:25
[INFO] [stdout]      |
[INFO] [stdout] 955  |     let mut machine = |cont: &mut bool, (i, c): (usize, char)| {
[INFO] [stdout]      |                       ---------------------------------------- `state` is borrowed here
[INFO] [stdout] ...
[INFO] [stdout] 959  |         state = match (state, whitespace, limit) {
[INFO] [stdout]      |         ----- borrow occurs due to use of `state` in closure
[INFO] [stdout] ...
[INFO] [stdout] 1008 |     while cont && match state { B | C => true, A => false } {
[INFO] [stdout]      |                         ^^^^^ use of borrowed `state`
[INFO] [stdout] 1009 |         machine(&mut cont, (fake_i, ' '));
[INFO] [stdout]      |         ------- borrow later used here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0503`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `getopts` (lib) due to 2 previous errors
[INFO] [stdout] error: aborting due to 1 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` (lib) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "e7c677baa8c4fcf37a6579e878d6924d9b5a1a1ecaa7d93605ec27ad79c1df5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7c677baa8c4fcf37a6579e878d6924d9b5a1a1ecaa7d93605ec27ad79c1df5c", kill_on_drop: false }`
[INFO] [stdout] e7c677baa8c4fcf37a6579e878d6924d9b5a1a1ecaa7d93605ec27ad79c1df5c