[INFO] fetching crate cargo-swagger 0.1.0...
[INFO] checking cargo-swagger-0.1.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate cargo-swagger 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate cargo-swagger 0.1.0 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-swagger 0.1.0
[INFO] finished tweaking crates.io crate cargo-swagger 0.1.0
[INFO] tweaked toml for crates.io crate cargo-swagger 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 32 packages
[INFO] [stderr]       Adding aho-corasick v0.6.10 (latest: v1.1.3)
[INFO] [stderr]       Adding docopt v0.8.3 (latest: v1.1.1)
[INFO] [stderr]       Adding dtoa v0.4.8 (latest: v1.0.9)
[INFO] [stderr]       Adding error-chain v0.11.0 (latest: v0.12.4)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding regex v0.2.11 (latest: v1.10.4)
[INFO] [stderr]       Adding regex-syntax v0.5.6 (latest: v0.8.3)
[INFO] [stderr]       Adding serde_yaml v0.7.5 (latest: v0.9.34+deprecated)
[INFO] [stderr]       Adding strsim v0.6.0 (latest: v0.11.1)
[INFO] [stderr]       Adding thread_local v0.3.6 (latest: v1.1.8)
[INFO] [stderr]       Adding ucd-util v0.1.10 (latest: v0.2.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded error-chain v0.11.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4d2e0ba7c5d1e9ac1f836b113d7351b745357e9b171a6b12f4931e27fffd71ec
[INFO] running `Command { std: "docker" "start" "-a" "4d2e0ba7c5d1e9ac1f836b113d7351b745357e9b171a6b12f4931e27fffd71ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d2e0ba7c5d1e9ac1f836b113d7351b745357e9b171a6b12f4931e27fffd71ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d2e0ba7c5d1e9ac1f836b113d7351b745357e9b171a6b12f4931e27fffd71ec", kill_on_drop: false }`
[INFO] [stdout] 4d2e0ba7c5d1e9ac1f836b113d7351b745357e9b171a6b12f4931e27fffd71ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93deeea854f9f086dcab5ca3adadc20630bee9105a27e3ce7ecd630a67534d11
[INFO] running `Command { std: "docker" "start" "-a" "93deeea854f9f086dcab5ca3adadc20630bee9105a27e3ce7ecd630a67534d11", kill_on_drop: false }`
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking backtrace v0.3.71
[INFO] [stderr]     Checking serde_yaml v0.7.5
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking docopt v0.8.3
[INFO] [stderr]     Checking cargo-swagger v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.38s
[INFO] running `Command { std: "docker" "inspect" "93deeea854f9f086dcab5ca3adadc20630bee9105a27e3ce7ecd630a67534d11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93deeea854f9f086dcab5ca3adadc20630bee9105a27e3ce7ecd630a67534d11", kill_on_drop: false }`
[INFO] [stdout] 93deeea854f9f086dcab5ca3adadc20630bee9105a27e3ce7ecd630a67534d11
[INFO] checking cargo-swagger-0.1.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate cargo-swagger 0.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate cargo-swagger 0.1.0 on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-swagger 0.1.0
[INFO] finished tweaking crates.io crate cargo-swagger 0.1.0
[INFO] tweaked toml for crates.io crate cargo-swagger 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b8d4fb5df1b67321b5ef36fefc3e0aff89ce63cd6555cd9edc8ab22c259e1c4f
[INFO] running `Command { std: "docker" "start" "-a" "b8d4fb5df1b67321b5ef36fefc3e0aff89ce63cd6555cd9edc8ab22c259e1c4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b8d4fb5df1b67321b5ef36fefc3e0aff89ce63cd6555cd9edc8ab22c259e1c4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8d4fb5df1b67321b5ef36fefc3e0aff89ce63cd6555cd9edc8ab22c259e1c4f", kill_on_drop: false }`
[INFO] [stdout] b8d4fb5df1b67321b5ef36fefc3e0aff89ce63cd6555cd9edc8ab22c259e1c4f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a770c597173bd56ce4f6f4600b8fa79d64f21fc765413707769ff4106a8b064
[INFO] running `Command { std: "docker" "start" "-a" "7a770c597173bd56ce4f6f4600b8fa79d64f21fc765413707769ff4106a8b064", kill_on_drop: false }`
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking utf8-ranges v1.0.5
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]    Compiling backtrace v0.3.71
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/miniz_oxide-0.7.2/src/inflate/core.rs:1196:9
[INFO] [stdout]      |
[INFO] [stdout] 1196 | /         match state {
[INFO] [stdout] 1197 | |             Start => generate_state!(state, 'state_machine, {
[INFO] [stdout] 1198 | |                 l.bit_buf = 0;
[INFO] [stdout] 1199 | |                 l.num_bits = 0;
[INFO] [stdout] ...    |
[INFO] [stdout] 1741 | |             _ => break TINFLStatus::Failed,
[INFO] [stdout] 1742 | |         };
[INFO] [stdout]      | |_________^ cannot infer type
[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 E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `miniz_oxide` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-0.2.11/src/exec.rs:756:13
[INFO] [stdout]     |
[INFO] [stdout] 756 | /             match dfa::Fsm::reverse(
[INFO] [stdout] 757 | |                 &self.ro.dfa_reverse,
[INFO] [stdout] 758 | |                 self.cache,
[INFO] [stdout] 759 | |                 false,
[INFO] [stdout] ...   |
[INFO] [stdout] 766 | |                 Quit => return Some(Quit),
[INFO] [stdout] 767 | |             };
[INFO] [stdout]     | |_____________^ cannot infer type
[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 E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `regex` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "7a770c597173bd56ce4f6f4600b8fa79d64f21fc765413707769ff4106a8b064", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a770c597173bd56ce4f6f4600b8fa79d64f21fc765413707769ff4106a8b064", kill_on_drop: false }`
[INFO] [stdout] 7a770c597173bd56ce4f6f4600b8fa79d64f21fc765413707769ff4106a8b064