[INFO] fetching crate error-enum 0.2.2... [INFO] checking error-enum-0.2.2 against master#1280928a99ad3ef2c5735b42dc8852456ae3b974 for pr-120798 [INFO] extracting crate error-enum 0.2.2 into /workspace/builds/worker-5-tc1/source [INFO] validating manifest of crates.io crate error-enum 0.2.2 on toolchain 1280928a99ad3ef2c5735b42dc8852456ae3b974 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1280928a99ad3ef2c5735b42dc8852456ae3b974" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate error-enum 0.2.2 [INFO] finished tweaking crates.io crate error-enum 0.2.2 [INFO] tweaked toml for crates.io crate error-enum 0.2.2 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate crates.io crate error-enum 0.2.2 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" "+1280928a99ad3ef2c5735b42dc8852456ae3b974" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded annotate-snippets v0.9.1 [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" "+1280928a99ad3ef2c5735b42dc8852456ae3b974" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f7725ba87d501d28b1520f3816252fd577223b4ad22331901027d1eca42a11a5 [INFO] running `Command { std: "docker" "start" "-a" "f7725ba87d501d28b1520f3816252fd577223b4ad22331901027d1eca42a11a5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f7725ba87d501d28b1520f3816252fd577223b4ad22331901027d1eca42a11a5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f7725ba87d501d28b1520f3816252fd577223b4ad22331901027d1eca42a11a5", kill_on_drop: false }` [INFO] [stdout] f7725ba87d501d28b1520f3816252fd577223b4ad22331901027d1eca42a11a5 [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" "+1280928a99ad3ef2c5735b42dc8852456ae3b974" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5076793871cc8ac97242084f381faec06b2c4e1f180a4257cd57a6ebb6e04d1c [INFO] running `Command { std: "docker" "start" "-a" "5076793871cc8ac97242084f381faec06b2c4e1f180a4257cd57a6ebb6e04d1c", kill_on_drop: false }` [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking annotate-snippets v0.9.1 [INFO] [stderr] Checking syn v2.0.37 [INFO] [stderr] Checking error-enum v0.2.2 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.78s [INFO] running `Command { std: "docker" "inspect" "5076793871cc8ac97242084f381faec06b2c4e1f180a4257cd57a6ebb6e04d1c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5076793871cc8ac97242084f381faec06b2c4e1f180a4257cd57a6ebb6e04d1c", kill_on_drop: false }` [INFO] [stdout] 5076793871cc8ac97242084f381faec06b2c4e1f180a4257cd57a6ebb6e04d1c [INFO] checking error-enum-0.2.2 against try#9b9e20bc79549d80ab413f49d990713851172cc1 for pr-120798 [INFO] extracting crate error-enum 0.2.2 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate error-enum 0.2.2 on toolchain 9b9e20bc79549d80ab413f49d990713851172cc1 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9b9e20bc79549d80ab413f49d990713851172cc1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate error-enum 0.2.2 [INFO] finished tweaking crates.io crate error-enum 0.2.2 [INFO] tweaked toml for crates.io crate error-enum 0.2.2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate crates.io crate error-enum 0.2.2 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" "+9b9e20bc79549d80ab413f49d990713851172cc1" "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" "+9b9e20bc79549d80ab413f49d990713851172cc1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f0e4de3523accf7f1d61f25484d696a54bb198dfe430d1c767106e17a1d7c620 [INFO] running `Command { std: "docker" "start" "-a" "f0e4de3523accf7f1d61f25484d696a54bb198dfe430d1c767106e17a1d7c620", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f0e4de3523accf7f1d61f25484d696a54bb198dfe430d1c767106e17a1d7c620", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f0e4de3523accf7f1d61f25484d696a54bb198dfe430d1c767106e17a1d7c620", kill_on_drop: false }` [INFO] [stdout] f0e4de3523accf7f1d61f25484d696a54bb198dfe430d1c767106e17a1d7c620 [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" "+9b9e20bc79549d80ab413f49d990713851172cc1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 80686385e669176680875b2bb49e64f6a2863d792cd84152d4ee698dc8606c10 [INFO] running `Command { std: "docker" "start" "-a" "80686385e669176680875b2bb49e64f6a2863d792cd84152d4ee698dc8606c10", kill_on_drop: false }` [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking annotate-snippets v0.9.1 [INFO] [stderr] Checking syn v2.0.37 [INFO] [stderr] Checking error-enum v0.2.2 (/opt/rustwide/workdir) [INFO] [stdout] error[E0283]: type annotations needed [INFO] [stdout] --> src/lib.rs:101:27 [INFO] [stdout] | [INFO] [stdout] 101 | .flat_map(|node| node.get_variants(format!("{prefix}{}", code.to_string()))) [INFO] [stdout] | -------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | type must be known at this point [INFO] [stdout] | [INFO] [stdout] = note: cannot satisfy `_: IntoIterator` [INFO] [stdout] note: required by a bound in `flat_map` [INFO] [stdout] --> /rustc/9b9e20bc79549d80ab413f49d990713851172cc1/library/core/src/iter/traits/iterator.rs:1503:5 [INFO] [stdout] help: try giving this closure an explicit return type [INFO] [stdout] | [INFO] [stdout] 101 | .flat_map(|node| -> /* Type */ { node.get_variants(format!("{prefix}{}", code.to_string())) }) [INFO] [stdout] | +++++++++++++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0283]: type annotations needed [INFO] [stdout] --> src/lib.rs:101:27 [INFO] [stdout] | [INFO] [stdout] 101 | .flat_map(|node| node.get_variants(format!("{prefix}{}", code.to_string()))) [INFO] [stdout] | -------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | type must be known at this point [INFO] [stdout] | [INFO] [stdout] = note: cannot satisfy `_: IntoIterator` [INFO] [stdout] note: required by a bound in `flat_map` [INFO] [stdout] --> /rustc/9b9e20bc79549d80ab413f49d990713851172cc1/library/core/src/iter/traits/iterator.rs:1503:5 [INFO] [stdout] help: try giving this closure an explicit return type [INFO] [stdout] | [INFO] [stdout] 101 | .flat_map(|node| -> /* Type */ { node.get_variants(format!("{prefix}{}", code.to_string())) }) [INFO] [stdout] | +++++++++++++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: concrete type differs from previous defining opaque type use [INFO] [stdout] --> src/lib.rs:97:59 [INFO] [stdout] | [INFO] [stdout] 97 | ) -> impl Iterator { [INFO] [stdout] | ___________________________________________________________^ [INFO] [stdout] 98 | | match self { [INFO] [stdout] 99 | | Self::Prefix(code, _desc, children) => children [INFO] [stdout] 100 | | .iter() [INFO] [stdout] ... | [INFO] [stdout] 108 | | } [INFO] [stdout] 109 | | } [INFO] [stdout] | |_____^ expected `{type error}`, got `std::vec::IntoIter<(std::string::String, &ErrorVariant)>` [INFO] [stdout] | [INFO] [stdout] note: previous use here [INFO] [stdout] --> src/lib.rs:101:39 [INFO] [stdout] | [INFO] [stdout] 101 | .flat_map(|node| node.get_variants(format!("{prefix}{}", code.to_string()))) [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 E0283`. [INFO] [stdout] [INFO] [stdout] error: concrete type differs from previous defining opaque type use [INFO] [stdout] --> src/lib.rs:97:59 [INFO] [stdout] | [INFO] [stdout] 97 | ) -> impl Iterator { [INFO] [stdout] | ___________________________________________________________^ [INFO] [stdout] 98 | | match self { [INFO] [stdout] 99 | | Self::Prefix(code, _desc, children) => children [INFO] [stdout] 100 | | .iter() [INFO] [stdout] ... | [INFO] [stdout] 108 | | } [INFO] [stdout] 109 | | } [INFO] [stdout] | |_____^ expected `{type error}`, got `std::vec::IntoIter<(std::string::String, &ErrorVariant)>` [INFO] [stdout] | [INFO] [stdout] note: previous use here [INFO] [stdout] --> src/lib.rs:101:39 [INFO] [stdout] | [INFO] [stdout] 101 | .flat_map(|node| node.get_variants(format!("{prefix}{}", code.to_string()))) [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 E0283`. [INFO] [stdout] [INFO] [stderr] error: could not compile `error-enum` (lib test) due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `error-enum` (lib) due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "80686385e669176680875b2bb49e64f6a2863d792cd84152d4ee698dc8606c10", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "80686385e669176680875b2bb49e64f6a2863d792cd84152d4ee698dc8606c10", kill_on_drop: false }` [INFO] [stdout] 80686385e669176680875b2bb49e64f6a2863d792cd84152d4ee698dc8606c10