[INFO] fetching crate rever 0.0.1... [INFO] checking rever-0.0.1 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate rever 0.0.1 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate rever 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 rever 0.0.1 [INFO] finished tweaking crates.io crate rever 0.0.1 [INFO] tweaked toml for crates.io crate rever 0.0.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate crates.io crate rever 0.0.1 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 syn v1.0.94 [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] 65c07b26d3420a0cab1f41a5e0d7d679fd660952d2d776d3fc16c64b3dea5b60 [INFO] running `Command { std: "docker" "start" "-a" "65c07b26d3420a0cab1f41a5e0d7d679fd660952d2d776d3fc16c64b3dea5b60", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "65c07b26d3420a0cab1f41a5e0d7d679fd660952d2d776d3fc16c64b3dea5b60", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "65c07b26d3420a0cab1f41a5e0d7d679fd660952d2d776d3fc16c64b3dea5b60", kill_on_drop: false }` [INFO] [stdout] 65c07b26d3420a0cab1f41a5e0d7d679fd660952d2d776d3fc16c64b3dea5b60 [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] 25e49421f3691155ef57699a6de70d536aab55cd73e753cef73b50b8640fb3ea [INFO] running `Command { std: "docker" "start" "-a" "25e49421f3691155ef57699a6de70d536aab55cd73e753cef73b50b8640fb3ea", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.38 [INFO] [stderr] Compiling unicode-xid v0.2.3 [INFO] [stderr] Compiling syn v1.0.94 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling libc v0.2.125 [INFO] [stderr] Compiling heck v0.4.0 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Compiling beef v0.5.2 [INFO] [stderr] Compiling regex-syntax v0.6.18 [INFO] [stderr] Checking os_str_bytes v6.0.1 [INFO] [stderr] Checking termcolor v1.1.3 [INFO] [stderr] Checking strsim v0.10.0 [INFO] [stderr] Checking textwrap v0.15.0 [INFO] [stderr] Checking clap_lex v0.2.0 [INFO] [stderr] Compiling indexmap v1.8.1 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling clap_derive v3.1.18 [INFO] [stderr] Compiling logos-derive v0.12.1 [INFO] [stderr] Checking clap v3.1.18 [INFO] [stderr] Checking logos v0.12.1 [INFO] [stderr] Checking rever v0.0.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.35s [INFO] running `Command { std: "docker" "inspect" "25e49421f3691155ef57699a6de70d536aab55cd73e753cef73b50b8640fb3ea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "25e49421f3691155ef57699a6de70d536aab55cd73e753cef73b50b8640fb3ea", kill_on_drop: false }` [INFO] [stdout] 25e49421f3691155ef57699a6de70d536aab55cd73e753cef73b50b8640fb3ea [INFO] checking rever-0.0.1 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate rever 0.0.1 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate rever 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 rever 0.0.1 [INFO] finished tweaking crates.io crate rever 0.0.1 [INFO] tweaked toml for crates.io crate rever 0.0.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate crates.io crate rever 0.0.1 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-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] 6881118cca5876f8da3fa2c34ee35da1eaf21bb04e4929636ce4c997c8720258 [INFO] running `Command { std: "docker" "start" "-a" "6881118cca5876f8da3fa2c34ee35da1eaf21bb04e4929636ce4c997c8720258", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6881118cca5876f8da3fa2c34ee35da1eaf21bb04e4929636ce4c997c8720258", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6881118cca5876f8da3fa2c34ee35da1eaf21bb04e4929636ce4c997c8720258", kill_on_drop: false }` [INFO] [stdout] 6881118cca5876f8da3fa2c34ee35da1eaf21bb04e4929636ce4c997c8720258 [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] c0c764236b3ab1ef5dbbe77ce0ee809a97cbce781001d0ce2545b82879afcc90 [INFO] running `Command { std: "docker" "start" "-a" "c0c764236b3ab1ef5dbbe77ce0ee809a97cbce781001d0ce2545b82879afcc90", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.38 [INFO] [stderr] Compiling unicode-xid v0.2.3 [INFO] [stderr] Compiling syn v1.0.94 [INFO] [stderr] Compiling libc v0.2.125 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Compiling heck v0.4.0 [INFO] [stderr] Compiling beef v0.5.2 [INFO] [stderr] Compiling regex-syntax v0.6.18 [INFO] [stderr] Checking os_str_bytes v6.0.1 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Checking textwrap v0.15.0 [INFO] [stderr] Checking termcolor v1.1.3 [INFO] [stderr] Checking strsim v0.10.0 [INFO] [stderr] Checking clap_lex v0.2.0 [INFO] [stderr] Compiling indexmap v1.8.1 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling logos-derive v0.12.1 [INFO] [stderr] Compiling clap_derive v3.1.18 [INFO] [stderr] Checking clap v3.1.18 [INFO] [stderr] Checking logos v0.12.1 [INFO] [stderr] Checking rever v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> src/ast/block_expr.rs:101:4 [INFO] [stdout] | [INFO] [stdout] 101 | Err("newline after block expression")?; [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] 101 | Err::("newline after block expression")?; [INFO] [stdout] | +++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> src/ast/block_expr.rs:101:4 [INFO] [stdout] | [INFO] [stdout] 101 | Err("newline after block expression")?; [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] 101 | Err::("newline after block expression")?; [INFO] [stdout] | +++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> src/ast/statement.rs:262:6 [INFO] [stdout] | [INFO] [stdout] 262 | Err("same variable name as before")?; [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] 262 | Err::("same variable name as before")?; [INFO] [stdout] | +++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> src/ast/statement.rs:262:6 [INFO] [stdout] | [INFO] [stdout] 262 | Err("same variable name as before")?; [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] 262 | Err::("same variable name as before")?; [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 `rever` (bin "rever") due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `rever` (bin "rever" test) due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "c0c764236b3ab1ef5dbbe77ce0ee809a97cbce781001d0ce2545b82879afcc90", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c0c764236b3ab1ef5dbbe77ce0ee809a97cbce781001d0ce2545b82879afcc90", kill_on_drop: false }` [INFO] [stdout] c0c764236b3ab1ef5dbbe77ce0ee809a97cbce781001d0ce2545b82879afcc90