[INFO] fetching crate rfc2253 0.1.0... [INFO] checking rfc2253-0.1.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate rfc2253 0.1.0 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate rfc2253 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 rfc2253 0.1.0 [INFO] finished tweaking crates.io crate rfc2253 0.1.0 [INFO] tweaked toml for crates.io crate rfc2253 0.1.0 written to /workspace/builds/worker-0-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-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 9e7293c1878bde177c87dcbf1fb174092c028df6c6232273eb15679857e3c4b7 [INFO] running `Command { std: "docker" "start" "-a" "9e7293c1878bde177c87dcbf1fb174092c028df6c6232273eb15679857e3c4b7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9e7293c1878bde177c87dcbf1fb174092c028df6c6232273eb15679857e3c4b7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9e7293c1878bde177c87dcbf1fb174092c028df6c6232273eb15679857e3c4b7", kill_on_drop: false }` [INFO] [stdout] 9e7293c1878bde177c87dcbf1fb174092c028df6c6232273eb15679857e3c4b7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 4b053c57427cc212ecf999821b38616ed515a31db05ad92e0886727f4e2d0954 [INFO] running `Command { std: "docker" "start" "-a" "4b053c57427cc212ecf999821b38616ed515a31db05ad92e0886727f4e2d0954", kill_on_drop: false }` [INFO] [stderr] Checking rfc2253 v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.09s [INFO] running `Command { std: "docker" "inspect" "4b053c57427cc212ecf999821b38616ed515a31db05ad92e0886727f4e2d0954", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4b053c57427cc212ecf999821b38616ed515a31db05ad92e0886727f4e2d0954", kill_on_drop: false }` [INFO] [stdout] 4b053c57427cc212ecf999821b38616ed515a31db05ad92e0886727f4e2d0954 [INFO] checking rfc2253-0.1.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate rfc2253 0.1.0 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate rfc2253 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 rfc2253 0.1.0 [INFO] finished tweaking crates.io crate rfc2253 0.1.0 [INFO] tweaked toml for crates.io crate rfc2253 0.1.0 written to /workspace/builds/worker-0-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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] f6b22110736918f7a3ce5276d291f7c88e09caf0fa881bb245ff490bdc7ea505 [INFO] running `Command { std: "docker" "start" "-a" "f6b22110736918f7a3ce5276d291f7c88e09caf0fa881bb245ff490bdc7ea505", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f6b22110736918f7a3ce5276d291f7c88e09caf0fa881bb245ff490bdc7ea505", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f6b22110736918f7a3ce5276d291f7c88e09caf0fa881bb245ff490bdc7ea505", kill_on_drop: false }` [INFO] [stdout] f6b22110736918f7a3ce5276d291f7c88e09caf0fa881bb245ff490bdc7ea505 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 10b667d808eb9a43bc96778816ed4e37ad5e0eff3705411dae7d6ecd0f599da1 [INFO] running `Command { std: "docker" "start" "-a" "10b667d808eb9a43bc96778816ed4e37ad5e0eff3705411dae7d6ecd0f599da1", kill_on_drop: false }` [INFO] [stderr] Checking rfc2253 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _` [INFO] [stdout] --> src/rfc2253.rs:323:5 [INFO] [stdout] | [INFO] [stdout] 323 | / match std::char::from_u32(i) { [INFO] [stdout] 324 | | Some(c) => return Ok(c.to_string()), [INFO] [stdout] 325 | | None => return Err(()) [INFO] [stdout] 326 | | }, [INFO] [stdout] | |_________________^ cannot satisfy `_ -> _` [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 E0284`. [INFO] [stdout] [INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _` [INFO] [stdout] --> src/rfc2253.rs:323:5 [INFO] [stdout] | [INFO] [stdout] 323 | / match std::char::from_u32(i) { [INFO] [stdout] 324 | | Some(c) => return Ok(c.to_string()), [INFO] [stdout] 325 | | None => return Err(()) [INFO] [stdout] 326 | | }, [INFO] [stdout] | |_________________^ cannot satisfy `_ -> _` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rfc2253` (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 E0284`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rfc2253` (lib test) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "10b667d808eb9a43bc96778816ed4e37ad5e0eff3705411dae7d6ecd0f599da1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "10b667d808eb9a43bc96778816ed4e37ad5e0eff3705411dae7d6ecd0f599da1", kill_on_drop: false }` [INFO] [stdout] 10b667d808eb9a43bc96778816ed4e37ad5e0eff3705411dae7d6ecd0f599da1