[INFO] fetching crate mif 0.3.0... [INFO] checking mif-0.3.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate mif 0.3.0 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate mif 0.3.0 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 mif 0.3.0 [INFO] finished tweaking crates.io crate mif 0.3.0 [INFO] tweaked toml for crates.io crate mif 0.3.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate crates.io crate mif 0.3.0 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded os_str_bytes v2.3.2 [INFO] [stderr] Downloaded clap_derive v3.0.0-beta.1 [INFO] [stderr] Downloaded clap v3.0.0-beta.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 77b09f5b73fca102361502b2f582f867e8adadd3bf8aac93de164abaa1ea09df [INFO] running `Command { std: "docker" "start" "-a" "77b09f5b73fca102361502b2f582f867e8adadd3bf8aac93de164abaa1ea09df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "77b09f5b73fca102361502b2f582f867e8adadd3bf8aac93de164abaa1ea09df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "77b09f5b73fca102361502b2f582f867e8adadd3bf8aac93de164abaa1ea09df", kill_on_drop: false }` [INFO] [stdout] 77b09f5b73fca102361502b2f582f867e8adadd3bf8aac93de164abaa1ea09df [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] c75991951e874b5038cfe295697a15100ff1c13daf81db401ea368294ea256bf [INFO] running `Command { std: "docker" "start" "-a" "c75991951e874b5038cfe295697a15100ff1c13daf81db401ea368294ea256bf", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.38 [INFO] [stderr] Compiling libc v0.2.74 [INFO] [stderr] Compiling anyhow v1.0.32 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Checking os_str_bytes v2.3.2 [INFO] [stderr] Checking termcolor v1.1.0 [INFO] [stderr] Compiling proc-macro-error-attr v0.4.12 [INFO] [stderr] Compiling hashbrown v0.8.2 [INFO] [stderr] Compiling indexmap v1.5.1 [INFO] [stderr] Compiling proc-macro-error v0.4.12 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling syn-mid v0.5.0 [INFO] [stderr] Compiling serde_derive v1.0.114 [INFO] [stderr] Compiling thiserror-impl v1.0.20 [INFO] [stderr] Checking thiserror v1.0.20 [INFO] [stderr] Compiling clap_derive v3.0.0-beta.1 [INFO] [stderr] Checking serde v1.0.114 [INFO] [stderr] Checking toml v0.5.6 [INFO] [stderr] Checking clap v3.0.0-beta.1 [INFO] [stderr] Checking mif v0.3.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.37s [INFO] running `Command { std: "docker" "inspect" "c75991951e874b5038cfe295697a15100ff1c13daf81db401ea368294ea256bf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c75991951e874b5038cfe295697a15100ff1c13daf81db401ea368294ea256bf", kill_on_drop: false }` [INFO] [stdout] c75991951e874b5038cfe295697a15100ff1c13daf81db401ea368294ea256bf [INFO] checking mif-0.3.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate mif 0.3.0 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate mif 0.3.0 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 mif 0.3.0 [INFO] finished tweaking crates.io crate mif 0.3.0 [INFO] tweaked toml for crates.io crate mif 0.3.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate crates.io crate mif 0.3.0 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] e153772b60cc62340dee4bc77b283ae74b43ffd3ff8874a6412e051439232674 [INFO] running `Command { std: "docker" "start" "-a" "e153772b60cc62340dee4bc77b283ae74b43ffd3ff8874a6412e051439232674", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e153772b60cc62340dee4bc77b283ae74b43ffd3ff8874a6412e051439232674", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e153772b60cc62340dee4bc77b283ae74b43ffd3ff8874a6412e051439232674", kill_on_drop: false }` [INFO] [stdout] e153772b60cc62340dee4bc77b283ae74b43ffd3ff8874a6412e051439232674 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] fb6143e3f3f8e6e7c4ae6b5dfb1409ab93f537eadf05f1ae9422a89313bf10df [INFO] running `Command { std: "docker" "start" "-a" "fb6143e3f3f8e6e7c4ae6b5dfb1409ab93f537eadf05f1ae9422a89313bf10df", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.19 [INFO] [stderr] Compiling syn v1.0.38 [INFO] [stderr] Compiling serde v1.0.114 [INFO] [stderr] Compiling libc v0.2.74 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Compiling anyhow v1.0.32 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Checking os_str_bytes v2.3.2 [INFO] [stderr] Compiling proc-macro-error-attr v0.4.12 [INFO] [stderr] Compiling hashbrown v0.8.2 [INFO] [stderr] Compiling serde_derive v1.0.114 [INFO] [stderr] Compiling proc-macro-error v0.4.12 [INFO] [stderr] Compiling indexmap v1.5.1 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Checking termcolor v1.1.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling syn-mid v0.5.0 [INFO] [stderr] Compiling thiserror-impl v1.0.20 [INFO] [stderr] Compiling clap_derive v3.0.0-beta.1 [INFO] [stderr] Checking thiserror v1.0.20 [INFO] [stderr] Checking clap v3.0.0-beta.1 [INFO] [stderr] Checking toml v0.5.6 [INFO] [stderr] Checking mif v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> src/lib.rs:258:6 [INFO] [stdout] | [INFO] [stdout] 258 | Err(ValueOutOfWidth(self.depth, self.width()))?; [INFO] [stdout] | ^^^ cannot infer type of the type parameter `T` declared on the enum `Result` [INFO] [stdout] | [INFO] [stdout] help: consider specifying the generic arguments [INFO] [stdout] | [INFO] [stdout] 258 | Err::(ValueOutOfWidth(self.depth, self.width()))?; [INFO] [stdout] | ++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> src/lib.rs:287:4 [INFO] [stdout] | [INFO] [stdout] 287 | Err(MissingWords(depth - words))?; [INFO] [stdout] | ^^^ cannot infer type of the type parameter `T` declared on the enum `Result` [INFO] [stdout] | [INFO] [stdout] help: consider specifying the generic arguments [INFO] [stdout] | [INFO] [stdout] 287 | Err::(MissingWords(depth - words))?; [INFO] [stdout] | ++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> src/lib.rs:258:6 [INFO] [stdout] | [INFO] [stdout] 258 | Err(ValueOutOfWidth(self.depth, self.width()))?; [INFO] [stdout] | ^^^ cannot infer type of the type parameter `T` declared on the enum `Result` [INFO] [stdout] | [INFO] [stdout] help: consider specifying the generic arguments [INFO] [stdout] | [INFO] [stdout] 258 | Err::(ValueOutOfWidth(self.depth, self.width()))?; [INFO] [stdout] | ++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> src/lib.rs:287:4 [INFO] [stdout] | [INFO] [stdout] 287 | Err(MissingWords(depth - words))?; [INFO] [stdout] | ^^^ cannot infer type of the type parameter `T` declared on the enum `Result` [INFO] [stdout] | [INFO] [stdout] help: consider specifying the generic arguments [INFO] [stdout] | [INFO] [stdout] 287 | Err::(MissingWords(depth - words))?; [INFO] [stdout] | ++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stderr] error: could not compile `mif` (lib test) due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `mif` (lib) due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "fb6143e3f3f8e6e7c4ae6b5dfb1409ab93f537eadf05f1ae9422a89313bf10df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fb6143e3f3f8e6e7c4ae6b5dfb1409ab93f537eadf05f1ae9422a89313bf10df", kill_on_drop: false }` [INFO] [stdout] fb6143e3f3f8e6e7c4ae6b5dfb1409ab93f537eadf05f1ae9422a89313bf10df