[INFO] cloning repository https://github.com/djmcgill/domingler [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/djmcgill/domingler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdjmcgill%2Fdomingler", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdjmcgill%2Fdomingler'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b7fd9a261dd5764fa34f8e91c87ba93c0a7be982 [INFO] checking djmcgill/domingler against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdjmcgill%2Fdomingler" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/djmcgill/domingler 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/djmcgill/domingler [INFO] finished tweaking git repo https://github.com/djmcgill/domingler [INFO] tweaked toml for git repo https://github.com/djmcgill/domingler written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/djmcgill/domingler 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-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] 5eb36980133a34aa32852a73aaec1f6ff5aa156438d8e8871bea1dc987bcbe51 [INFO] running `Command { std: "docker" "start" "-a" "5eb36980133a34aa32852a73aaec1f6ff5aa156438d8e8871bea1dc987bcbe51", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5eb36980133a34aa32852a73aaec1f6ff5aa156438d8e8871bea1dc987bcbe51", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5eb36980133a34aa32852a73aaec1f6ff5aa156438d8e8871bea1dc987bcbe51", kill_on_drop: false }` [INFO] [stdout] 5eb36980133a34aa32852a73aaec1f6ff5aa156438d8e8871bea1dc987bcbe51 [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] 0e27118b8af532fa49f433da1903854dfef680992597ebc0d1f03f3975c7e2af [INFO] running `Command { std: "docker" "start" "-a" "0e27118b8af532fa49f433da1903854dfef680992597ebc0d1f03f3975c7e2af", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Checking ucd-util v0.1.3 [INFO] [stderr] Compiling regex v1.1.7 [INFO] [stderr] Checking utf8-ranges v1.0.3 [INFO] [stderr] Checking maplit v1.0.1 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking regex-syntax v0.6.7 [INFO] [stderr] Checking aho-corasick v0.7.3 [INFO] [stderr] Checking domingler v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> src/mapper.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 16 | { btreeset![721, 724, 733, 795, 805, 813, 818, 847, 875, 893, 900, 920, 1091] }; [INFO] [stdout] | ^^ ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_braces)]` on by default [INFO] [stdout] help: remove these braces [INFO] [stdout] | [INFO] [stdout] 16 - { btreeset![721, 724, 733, 795, 805, 813, 818, 847, 875, 893, 900, 920, 1091] }; [INFO] [stdout] 16 + btreeset![721, 724, 733, 795, 805, 813, 818, 847, 875, 893, 900, 920, 1091]; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> src/mapper.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 16 | { btreeset![721, 724, 733, 795, 805, 813, 818, 847, 875, 893, 900, 920, 1091] }; [INFO] [stdout] | ^^ ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_braces)]` on by default [INFO] [stdout] help: remove these braces [INFO] [stdout] | [INFO] [stdout] 16 - { btreeset![721, 724, 733, 795, 805, 813, 818, 847, 875, 893, 900, 920, 1091] }; [INFO] [stdout] 16 + btreeset![721, 724, 733, 795, 805, 813, 818, 847, 875, 893, 900, 920, 1091]; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `poptype_implicit_definition_count` is assigned to, but never used [INFO] [stdout] --> src/mapper.rs:50:13 [INFO] [stdout] | [INFO] [stdout] 50 | let mut poptype_implicit_definition_count = 0; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_poptype_implicit_definition_count` instead [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `enchantments_implicit_definition_count` [INFO] [stdout] --> src/mapper.rs:54:13 [INFO] [stdout] | [INFO] [stdout] 54 | let mut enchantments_implicit_definition_count = 0; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_enchantments_implicit_definition_count` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `poptype_implicit_definition_count` is assigned to, but never used [INFO] [stdout] --> src/mapper.rs:50:13 [INFO] [stdout] | [INFO] [stdout] 50 | let mut poptype_implicit_definition_count = 0; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_poptype_implicit_definition_count` instead [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `enchantments_implicit_definition_count` [INFO] [stdout] --> src/mapper.rs:54:13 [INFO] [stdout] | [INFO] [stdout] 54 | let mut enchantments_implicit_definition_count = 0; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_enchantments_implicit_definition_count` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/mapper.rs:54:9 [INFO] [stdout] | [INFO] [stdout] 54 | let mut enchantments_implicit_definition_count = 0; [INFO] [stdout] | ----^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/mapper.rs:54:9 [INFO] [stdout] | [INFO] [stdout] 54 | let mut enchantments_implicit_definition_count = 0; [INFO] [stdout] | ----^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/main.rs:165:25 [INFO] [stdout] | [INFO] [stdout] 165 | Err(e) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/main.rs:165:25 [INFO] [stdout] | [INFO] [stdout] 165 | Err(e) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `events` is never read [INFO] [stdout] --> src/mod_definition.rs:41:9 [INFO] [stdout] | [INFO] [stdout] 31 | pub struct ModDefinition<'a> { [INFO] [stdout] | ------------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 41 | pub events: Definition<'a>, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `events` is never read [INFO] [stdout] --> src/mod_definition.rs:41:9 [INFO] [stdout] | [INFO] [stdout] 31 | pub struct ModDefinition<'a> { [INFO] [stdout] | ------------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 41 | pub events: Definition<'a>, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [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 1.66s [INFO] running `Command { std: "docker" "inspect" "0e27118b8af532fa49f433da1903854dfef680992597ebc0d1f03f3975c7e2af", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0e27118b8af532fa49f433da1903854dfef680992597ebc0d1f03f3975c7e2af", kill_on_drop: false }` [INFO] [stdout] 0e27118b8af532fa49f433da1903854dfef680992597ebc0d1f03f3975c7e2af [INFO] checking djmcgill/domingler against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdjmcgill%2Fdomingler" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/djmcgill/domingler 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/djmcgill/domingler [INFO] finished tweaking git repo https://github.com/djmcgill/domingler [INFO] tweaked toml for git repo https://github.com/djmcgill/domingler written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/djmcgill/domingler 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] 4f8a7ad76e45d08746c5b5e2b90d76e10bd76ed402559594f901692d135c427d [INFO] running `Command { std: "docker" "start" "-a" "4f8a7ad76e45d08746c5b5e2b90d76e10bd76ed402559594f901692d135c427d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4f8a7ad76e45d08746c5b5e2b90d76e10bd76ed402559594f901692d135c427d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4f8a7ad76e45d08746c5b5e2b90d76e10bd76ed402559594f901692d135c427d", kill_on_drop: false }` [INFO] [stdout] 4f8a7ad76e45d08746c5b5e2b90d76e10bd76ed402559594f901692d135c427d [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] d39d6303af79ae4274978b1740b3957b74747c5271bf0b9bdcd7c790eda177e1 [INFO] running `Command { std: "docker" "start" "-a" "d39d6303af79ae4274978b1740b3957b74747c5271bf0b9bdcd7c790eda177e1", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Compiling regex v1.1.7 [INFO] [stderr] Checking ucd-util v0.1.3 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Checking utf8-ranges v1.0.3 [INFO] [stderr] Checking maplit v1.0.1 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking regex-syntax v0.6.7 [INFO] [stderr] Checking aho-corasick v0.7.3 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.1.7/src/exec.rs:797:13 [INFO] [stdout] | [INFO] [stdout] 797 | / match dfa::Fsm::reverse( [INFO] [stdout] 798 | | &self.ro.dfa_reverse, [INFO] [stdout] 799 | | self.cache, [INFO] [stdout] 800 | | false, [INFO] [stdout] ... | [INFO] [stdout] 811 | | Quit => return Some(Quit), [INFO] [stdout] 812 | | }; [INFO] [stdout] | |_____________^ cannot infer type [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 `regex` (lib) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "d39d6303af79ae4274978b1740b3957b74747c5271bf0b9bdcd7c790eda177e1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d39d6303af79ae4274978b1740b3957b74747c5271bf0b9bdcd7c790eda177e1", kill_on_drop: false }` [INFO] [stdout] d39d6303af79ae4274978b1740b3957b74747c5271bf0b9bdcd7c790eda177e1