[INFO] fetching crate ofdb-boundary 0.12.7...
[INFO] checking ofdb-boundary-0.12.7 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate ofdb-boundary 0.12.7 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate ofdb-boundary 0.12.7 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 ofdb-boundary 0.12.7
[INFO] finished tweaking crates.io crate ofdb-boundary 0.12.7
[INFO] tweaked toml for crates.io crate ofdb-boundary 0.12.7 written to /workspace/builds/worker-3-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 70 packages
[INFO] [stderr]       Adding base64 v0.13.1 (latest: v0.22.0)
[INFO] [stderr]       Adding block-buffer v0.9.0 (latest: v0.10.4)
[INFO] [stderr]       Adding blowfish v0.7.0 (latest: v0.9.1)
[INFO] [stderr]       Adding cipher v0.2.5 (latest: v0.4.4)
[INFO] [stderr]       Adding crypto-mac v0.10.1 (latest: v0.11.1)
[INFO] [stderr]       Adding digest v0.9.0 (latest: v0.10.7)
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.0.0)
[INFO] [stderr]       Adding heck v0.4.1 (latest: v0.5.0)
[INFO] [stderr]       Adding hmac v0.10.1 (latest: v0.12.1)
[INFO] [stderr]       Adding md-5 v0.9.1 (latest: v0.10.6)
[INFO] [stderr]       Adding sha-1 v0.9.8 (latest: v0.10.1)
[INFO] [stderr]       Adding sha2 v0.9.9 (latest: v0.10.8)
[INFO] [stderr]       Adding strum v0.25.0 (latest: v0.26.2)
[INFO] [stderr]       Adding strum_macros v0.25.3 (latest: v0.26.2)
[INFO] [stderr]       Adding subtle v2.4.1 (latest: v2.5.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[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 mailparse v0.14.1
[INFO] [stderr]   Downloaded quoted_printable v0.5.0
[INFO] [stderr]   Downloaded pwhash v1.0.0
[INFO] [stderr]   Downloaded charset v0.1.3
[INFO] [stderr]   Downloaded ofdb-entities v0.12.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] c351805fe6b0f939c255d673006144a1bf629e7427abfc222f744f5f20f6a2fd
[INFO] running `Command { std: "docker" "start" "-a" "c351805fe6b0f939c255d673006144a1bf629e7427abfc222f744f5f20f6a2fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c351805fe6b0f939c255d673006144a1bf629e7427abfc222f744f5f20f6a2fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c351805fe6b0f939c255d673006144a1bf629e7427abfc222f744f5f20f6a2fd", kill_on_drop: false }`
[INFO] [stdout] c351805fe6b0f939c255d673006144a1bf629e7427abfc222f744f5f20f6a2fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 9daedaa8463245f0fdb1e4357b107e48971bd11fbdf0421f052356a613a81dc9
[INFO] running `Command { std: "docker" "start" "-a" "9daedaa8463245f0fdb1e4357b107e48971bd11fbdf0421f052356a613a81dc9", kill_on_drop: false }`
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking charset v0.1.3
[INFO] [stderr]     Checking quoted_printable v0.5.0
[INFO] [stderr]    Compiling time-macros v0.2.17
[INFO] [stderr]     Checking itertools v0.12.1
[INFO] [stderr]     Checking bs58 v0.5.1
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking cipher v0.2.5
[INFO] [stderr]     Checking uuid v1.8.0
[INFO] [stderr]     Checking sha-1 v0.9.8
[INFO] [stderr]     Checking md-5 v0.9.1
[INFO] [stderr]     Checking crypto-mac v0.10.1
[INFO] [stderr]     Checking mailparse v0.14.1
[INFO] [stderr]     Checking hmac v0.10.1
[INFO] [stderr]     Checking blowfish v0.7.0
[INFO] [stderr]     Checking pwhash v1.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling strum_macros v0.25.3
[INFO] [stderr]    Compiling num-derive v0.4.2
[INFO] [stderr]     Checking thiserror v1.0.58
[INFO] [stderr]     Checking strum v0.25.0
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking deranged v0.3.11
[INFO] [stderr]     Checking time v0.3.34
[INFO] [stderr]     Checking ofdb-entities v0.12.7
[INFO] [stderr]     Checking ofdb-boundary v0.12.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.21s
[INFO] running `Command { std: "docker" "inspect" "9daedaa8463245f0fdb1e4357b107e48971bd11fbdf0421f052356a613a81dc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9daedaa8463245f0fdb1e4357b107e48971bd11fbdf0421f052356a613a81dc9", kill_on_drop: false }`
[INFO] [stdout] 9daedaa8463245f0fdb1e4357b107e48971bd11fbdf0421f052356a613a81dc9
[INFO] checking ofdb-boundary-0.12.7 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate ofdb-boundary 0.12.7 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate ofdb-boundary 0.12.7 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 ofdb-boundary 0.12.7
[INFO] finished tweaking crates.io crate ofdb-boundary 0.12.7
[INFO] tweaked toml for crates.io crate ofdb-boundary 0.12.7 written to /workspace/builds/worker-3-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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] efbe501758e461b26c4cfb945f772a7d3e50e35c2299af2e531b64c619d51c2d
[INFO] running `Command { std: "docker" "start" "-a" "efbe501758e461b26c4cfb945f772a7d3e50e35c2299af2e531b64c619d51c2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "efbe501758e461b26c4cfb945f772a7d3e50e35c2299af2e531b64c619d51c2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efbe501758e461b26c4cfb945f772a7d3e50e35c2299af2e531b64c619d51c2d", kill_on_drop: false }`
[INFO] [stdout] efbe501758e461b26c4cfb945f772a7d3e50e35c2299af2e531b64c619d51c2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 8f8c3c8969f0e61022c723a7cf6e03eae91cbf60a62410f615b7f95ecf05ac3f
[INFO] running `Command { std: "docker" "start" "-a" "8f8c3c8969f0e61022c723a7cf6e03eae91cbf60a62410f615b7f95ecf05ac3f", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]     Checking encoding_rs v0.8.33
[INFO] [stderr]    Compiling time-macros v0.2.17
[INFO] [stderr]     Checking quoted_printable v0.5.0
[INFO] [stderr]     Checking data-encoding v2.5.0
[INFO] [stderr]     Checking bs58 v0.5.1
[INFO] [stderr]     Checking cipher v0.2.5
[INFO] [stderr]     Checking itertools v0.12.1
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking md-5 v0.9.1
[INFO] [stderr]     Checking sha-1 v0.9.8
[INFO] [stderr]     Checking uuid v1.8.0
[INFO] [stderr]     Checking crypto-mac v0.10.1
[INFO] [stderr]     Checking blowfish v0.7.0
[INFO] [stderr]     Checking hmac v0.10.1
[INFO] [stderr]     Checking pwhash v1.0.0
[INFO] [stderr]     Checking charset v0.1.3
[INFO] [stderr]     Checking mailparse v0.14.1
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/mailparse-0.14.1/src/header.rs:85:9
[INFO] [stdout]     |
[INFO] [stdout] 85  | /         match find_from(line, ix_search, "=?") {
[INFO] [stdout] 86  | |             Some(v) => {
[INFO] [stdout] 87  | |                 let ix_begin = v + 2;
[INFO] [stdout] 88  | |                 if !is_boundary(line, ix_begin.checked_sub(3)) {
[INFO] [stdout] ...   |
[INFO] [stdout] 123 | |             }
[INFO] [stdout] 124 | |         };
[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 `mailparse` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "8f8c3c8969f0e61022c723a7cf6e03eae91cbf60a62410f615b7f95ecf05ac3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f8c3c8969f0e61022c723a7cf6e03eae91cbf60a62410f615b7f95ecf05ac3f", kill_on_drop: false }`
[INFO] [stdout] 8f8c3c8969f0e61022c723a7cf6e03eae91cbf60a62410f615b7f95ecf05ac3f