[INFO] fetching crate ircv3 0.0.1...
[INFO] checking ircv3-0.0.1 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate ircv3 0.0.1 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate ircv3 0.0.1 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 ircv3 0.0.1
[INFO] finished tweaking crates.io crate ircv3 0.0.1
[INFO] tweaked toml for crates.io crate ircv3 0.0.1 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] 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] 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] def28b3152c334a3a64d2a30b5311aaba370a2ce95109bb8d6ac5ae56de7b877
[INFO] running `Command { std: "docker" "start" "-a" "def28b3152c334a3a64d2a30b5311aaba370a2ce95109bb8d6ac5ae56de7b877", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "def28b3152c334a3a64d2a30b5311aaba370a2ce95109bb8d6ac5ae56de7b877", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "def28b3152c334a3a64d2a30b5311aaba370a2ce95109bb8d6ac5ae56de7b877", kill_on_drop: false }`
[INFO] [stdout] def28b3152c334a3a64d2a30b5311aaba370a2ce95109bb8d6ac5ae56de7b877
[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] 7c79c23295bcb67cad4d6d74fa0e2fe0dec6ce3c10d4c871b88912d01c135d0a
[INFO] running `Command { std: "docker" "start" "-a" "7c79c23295bcb67cad4d6d74fa0e2fe0dec6ce3c10d4c871b88912d01c135d0a", kill_on_drop: false }`
[INFO] [stderr]     Checking ircv3 v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] running `Command { std: "docker" "inspect" "7c79c23295bcb67cad4d6d74fa0e2fe0dec6ce3c10d4c871b88912d01c135d0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c79c23295bcb67cad4d6d74fa0e2fe0dec6ce3c10d4c871b88912d01c135d0a", kill_on_drop: false }`
[INFO] [stdout] 7c79c23295bcb67cad4d6d74fa0e2fe0dec6ce3c10d4c871b88912d01c135d0a
[INFO] checking ircv3-0.0.1 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate ircv3 0.0.1 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate ircv3 0.0.1 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 ircv3 0.0.1
[INFO] finished tweaking crates.io crate ircv3 0.0.1
[INFO] tweaked toml for crates.io crate ircv3 0.0.1 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] 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] ebf524ddb6acac5f4818482100083c3a77be81d805fddb6503cc10ba590a3714
[INFO] running `Command { std: "docker" "start" "-a" "ebf524ddb6acac5f4818482100083c3a77be81d805fddb6503cc10ba590a3714", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ebf524ddb6acac5f4818482100083c3a77be81d805fddb6503cc10ba590a3714", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebf524ddb6acac5f4818482100083c3a77be81d805fddb6503cc10ba590a3714", kill_on_drop: false }`
[INFO] [stdout] ebf524ddb6acac5f4818482100083c3a77be81d805fddb6503cc10ba590a3714
[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] 069c1649dfa66b4c8a651438604664c6c35354110861578f8d6f048e0ca725f2
[INFO] running `Command { std: "docker" "start" "-a" "069c1649dfa66b4c8a651438604664c6c35354110861578f8d6f048e0ca725f2", kill_on_drop: false }`
[INFO] [stderr]     Checking ircv3 v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/parsers/message.rs:71:17
[INFO] [stdout]    |
[INFO] [stdout] 71 | /                 match next_occurance {
[INFO] [stdout] 72 | |                     Some(pos) => {
[INFO] [stdout] 73 | |                         let token = &trimmed[0..pos];
[INFO] [stdout] 74 | |                         let remainder = &trimmed[pos..trimmed.len()];
[INFO] [stdout] ...  |
[INFO] [stdout] 80 | |                     }
[INFO] [stdout] 81 | |                 };
[INFO] [stdout]    | |_________________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/parsers/message.rs:71:17
[INFO] [stdout]    |
[INFO] [stdout] 71 | /                 match next_occurance {
[INFO] [stdout] 72 | |                     Some(pos) => {
[INFO] [stdout] 73 | |                         let token = &trimmed[0..pos];
[INFO] [stdout] 74 | |                         let remainder = &trimmed[pos..trimmed.len()];
[INFO] [stdout] ...  |
[INFO] [stdout] 80 | |                     }
[INFO] [stdout] 81 | |                 };
[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 `ircv3` (lib) due to 2 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 E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ircv3` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "069c1649dfa66b4c8a651438604664c6c35354110861578f8d6f048e0ca725f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "069c1649dfa66b4c8a651438604664c6c35354110861578f8d6f048e0ca725f2", kill_on_drop: false }`
[INFO] [stdout] 069c1649dfa66b4c8a651438604664c6c35354110861578f8d6f048e0ca725f2