[INFO] cloning repository https://github.com/vangroan/grok-bump [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vangroan/grok-bump" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvangroan%2Fgrok-bump", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvangroan%2Fgrok-bump'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ea97532978cf79e0cb0047a2bbc5cafbd09b578d [INFO] checking vangroan/grok-bump against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvangroan%2Fgrok-bump" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/vangroan/grok-bump 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 git repo https://github.com/vangroan/grok-bump [INFO] finished tweaking git repo https://github.com/vangroan/grok-bump [INFO] tweaked toml for git repo https://github.com/vangroan/grok-bump written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/vangroan/grok-bump 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] 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6df0adb89e4d7fca68fc9b6fd61fac96678f960a16eee224953e52abb8659833 [INFO] running `Command { std: "docker" "start" "-a" "6df0adb89e4d7fca68fc9b6fd61fac96678f960a16eee224953e52abb8659833", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6df0adb89e4d7fca68fc9b6fd61fac96678f960a16eee224953e52abb8659833", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6df0adb89e4d7fca68fc9b6fd61fac96678f960a16eee224953e52abb8659833", kill_on_drop: false }` [INFO] [stdout] 6df0adb89e4d7fca68fc9b6fd61fac96678f960a16eee224953e52abb8659833 [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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 069b2fbf2d808e7ee96e5dde01828bcf6475a48e1d593f1f10c0d1073971a000 [INFO] running `Command { std: "docker" "start" "-a" "069b2fbf2d808e7ee96e5dde01828bcf6475a48e1d593f1f10c0d1073971a000", kill_on_drop: false }` [INFO] [stderr] Checking bumpalo v3.14.0 [INFO] [stderr] Checking grok-bump v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variants `Sub`, `Mul`, `Div`, and `Mod` are never constructed [INFO] [stdout] --> src/main.rs:52:5 [INFO] [stdout] | [INFO] [stdout] 50 | enum BinaryOperator { [INFO] [stdout] | -------------- variants in this enum [INFO] [stdout] 51 | Add, [INFO] [stdout] 52 | Sub, [INFO] [stdout] | ^^^ [INFO] [stdout] 53 | Mul, [INFO] [stdout] | ^^^ [INFO] [stdout] 54 | Div, [INFO] [stdout] | ^^^ [INFO] [stdout] 55 | Mod, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `BinaryOperator` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `bump` is never read [INFO] [stdout] --> src/main.rs:61:5 [INFO] [stdout] | [INFO] [stdout] 59 | struct SyntaxTree<'a> { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 60 | root: Ast<'a>, [INFO] [stdout] 61 | bump: &'a Bump, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `SyntaxTree` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0`, `1`, and `2` are never read [INFO] [stdout] --> src/main.rs:307:9 [INFO] [stdout] | [INFO] [stdout] 307 | Add(u8, u8, u8), [INFO] [stdout] | --- ^^ ^^ ^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 307 | Add((), (), ()), [INFO] [stdout] | ~~ ~~ ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> src/main.rs:312:25 [INFO] [stdout] | [INFO] [stdout] 312 | LoadConstant_Number(u8, isize), [INFO] [stdout] | ------------------- ^^ ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 312 | LoadConstant_Number((), ()), [INFO] [stdout] | ~~ ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> src/main.rs:313:25 [INFO] [stdout] | [INFO] [stdout] 313 | LoadConstant_String(u8, String), [INFO] [stdout] | ------------------- ^^ ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 313 | LoadConstant_String((), ()), [INFO] [stdout] | ~~ ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:315:15 [INFO] [stdout] | [INFO] [stdout] 315 | StoreZero(u8), [INFO] [stdout] | --------- ^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 315 | StoreZero(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Sub`, `Mul`, `Div`, and `Mod` are never constructed [INFO] [stdout] --> src/main.rs:52:5 [INFO] [stdout] | [INFO] [stdout] 50 | enum BinaryOperator { [INFO] [stdout] | -------------- variants in this enum [INFO] [stdout] 51 | Add, [INFO] [stdout] 52 | Sub, [INFO] [stdout] | ^^^ [INFO] [stdout] 53 | Mul, [INFO] [stdout] | ^^^ [INFO] [stdout] 54 | Div, [INFO] [stdout] | ^^^ [INFO] [stdout] 55 | Mod, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `BinaryOperator` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `bump` is never read [INFO] [stdout] --> src/main.rs:61:5 [INFO] [stdout] | [INFO] [stdout] 59 | struct SyntaxTree<'a> { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 60 | root: Ast<'a>, [INFO] [stdout] 61 | bump: &'a Bump, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `SyntaxTree` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0`, `1`, and `2` are never read [INFO] [stdout] --> src/main.rs:307:9 [INFO] [stdout] | [INFO] [stdout] 307 | Add(u8, u8, u8), [INFO] [stdout] | --- ^^ ^^ ^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 307 | Add((), (), ()), [INFO] [stdout] | ~~ ~~ ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> src/main.rs:312:25 [INFO] [stdout] | [INFO] [stdout] 312 | LoadConstant_Number(u8, isize), [INFO] [stdout] | ------------------- ^^ ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 312 | LoadConstant_Number((), ()), [INFO] [stdout] | ~~ ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> src/main.rs:313:25 [INFO] [stdout] | [INFO] [stdout] 313 | LoadConstant_String(u8, String), [INFO] [stdout] | ------------------- ^^ ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 313 | LoadConstant_String((), ()), [INFO] [stdout] | ~~ ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:315:15 [INFO] [stdout] | [INFO] [stdout] 315 | StoreZero(u8), [INFO] [stdout] | --------- ^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 315 | StoreZero(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.41s [INFO] running `Command { std: "docker" "inspect" "069b2fbf2d808e7ee96e5dde01828bcf6475a48e1d593f1f10c0d1073971a000", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "069b2fbf2d808e7ee96e5dde01828bcf6475a48e1d593f1f10c0d1073971a000", kill_on_drop: false }` [INFO] [stdout] 069b2fbf2d808e7ee96e5dde01828bcf6475a48e1d593f1f10c0d1073971a000 [INFO] checking vangroan/grok-bump against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvangroan%2Fgrok-bump" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/vangroan/grok-bump 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 git repo https://github.com/vangroan/grok-bump [INFO] finished tweaking git repo https://github.com/vangroan/grok-bump [INFO] tweaked toml for git repo https://github.com/vangroan/grok-bump written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/vangroan/grok-bump 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-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b379bd71549d48466e05ef6783239dcec93ea135e94479ffd0d2464296021139 [INFO] running `Command { std: "docker" "start" "-a" "b379bd71549d48466e05ef6783239dcec93ea135e94479ffd0d2464296021139", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b379bd71549d48466e05ef6783239dcec93ea135e94479ffd0d2464296021139", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b379bd71549d48466e05ef6783239dcec93ea135e94479ffd0d2464296021139", kill_on_drop: false }` [INFO] [stdout] b379bd71549d48466e05ef6783239dcec93ea135e94479ffd0d2464296021139 [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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] de9876642856af47a738b4f4b08064cbb6eaea3dcb3eab9d0490f0241ce10b5c [INFO] running `Command { std: "docker" "start" "-a" "de9876642856af47a738b4f4b08064cbb6eaea3dcb3eab9d0490f0241ce10b5c", kill_on_drop: false }` [INFO] [stderr] Checking bumpalo v3.14.0 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bumpalo-3.14.0/src/collections/str/lossy.rs:82:28 [INFO] [stdout] | [INFO] [stdout] 82 | () => {{ [INFO] [stdout] | ____________________________^ [INFO] [stdout] 83 | | unsafe { [INFO] [stdout] 84 | | let r = Utf8LossyChunk { [INFO] [stdout] 85 | | valid: str::from_utf8_unchecked(&self.source[0..i_]), [INFO] [stdout] ... | [INFO] [stdout] 90 | | } [INFO] [stdout] 91 | | }}; [INFO] [stdout] | |_____________________^ cannot infer type [INFO] [stdout] ... [INFO] [stdout] 97 | error!(); [INFO] [stdout] | -------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `error` (in Nightly builds, run with -Z macro-backtrace for more info) [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 `bumpalo` (lib) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "de9876642856af47a738b4f4b08064cbb6eaea3dcb3eab9d0490f0241ce10b5c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "de9876642856af47a738b4f4b08064cbb6eaea3dcb3eab9d0490f0241ce10b5c", kill_on_drop: false }` [INFO] [stdout] de9876642856af47a738b4f4b08064cbb6eaea3dcb3eab9d0490f0241ce10b5c