[INFO] cloning repository https://github.com/joshuaTayjo/xml-is-old [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/joshuaTayjo/xml-is-old" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FjoshuaTayjo%2Fxml-is-old", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FjoshuaTayjo%2Fxml-is-old'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] da1881bf6b0e38f0656cf62f263ef227d2054722 [INFO] checking joshuaTayjo/xml-is-old against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FjoshuaTayjo%2Fxml-is-old" "/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/joshuaTayjo/xml-is-old 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/joshuaTayjo/xml-is-old [INFO] finished tweaking git repo https://github.com/joshuaTayjo/xml-is-old [INFO] tweaked toml for git repo https://github.com/joshuaTayjo/xml-is-old written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/joshuaTayjo/xml-is-old 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 aho-corasick v1.0.1 [INFO] [stderr] Downloaded regex-syntax v0.7.2 [INFO] [stderr] Downloaded regex v1.8.3 [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] ad4fc511cd4d00947ab63950dd0dd787288620960ea142ad57f80aea13d8edf6 [INFO] running `Command { std: "docker" "start" "-a" "ad4fc511cd4d00947ab63950dd0dd787288620960ea142ad57f80aea13d8edf6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ad4fc511cd4d00947ab63950dd0dd787288620960ea142ad57f80aea13d8edf6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ad4fc511cd4d00947ab63950dd0dd787288620960ea142ad57f80aea13d8edf6", kill_on_drop: false }` [INFO] [stdout] ad4fc511cd4d00947ab63950dd0dd787288620960ea142ad57f80aea13d8edf6 [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] c741d2db419385855f88dd453ea0b6e924519afd2429489ebb80bbe2c3bcffa2 [INFO] running `Command { std: "docker" "start" "-a" "c741d2db419385855f88dd453ea0b6e924519afd2429489ebb80bbe2c3bcffa2", kill_on_drop: false }` [INFO] [stderr] Checking regex-syntax v0.7.2 [INFO] [stderr] Checking aho-corasick v1.0.1 [INFO] [stderr] Checking regex v1.8.3 [INFO] [stderr] Checking xml_is_old v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: fields `version`, `encoding`, and `root` are never read [INFO] [stdout] --> src/lib.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 5 | pub struct XMLTree { [INFO] [stdout] | ------- fields in this struct [INFO] [stdout] 6 | version: String, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 7 | encoding: String, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 8 | root: XMLNode, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `parent` is never read [INFO] [stdout] --> src/lib.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 12 | pub struct XMLNode { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 15 | parent: Weak, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `XMLNode` 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 `tag_name` and `attributes` are never read [INFO] [stdout] --> src/lib.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 24 | pub struct ElementData { [INFO] [stdout] | ----------- fields in this struct [INFO] [stdout] 25 | tag_name: String, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 26 | attributes: Attributes, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ElementData` 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 `version`, `encoding`, and `root` are never read [INFO] [stdout] --> src/lib.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 5 | pub struct XMLTree { [INFO] [stdout] | ------- fields in this struct [INFO] [stdout] 6 | version: String, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 7 | encoding: String, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 8 | root: XMLNode, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `parent` is never read [INFO] [stdout] --> src/lib.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 12 | pub struct XMLNode { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 15 | parent: Weak, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `XMLNode` 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 `tag_name` and `attributes` are never read [INFO] [stdout] --> src/lib.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 24 | pub struct ElementData { [INFO] [stdout] | ----------- fields in this struct [INFO] [stdout] 25 | tag_name: String, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 26 | attributes: Attributes, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ElementData` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.25s [INFO] running `Command { std: "docker" "inspect" "c741d2db419385855f88dd453ea0b6e924519afd2429489ebb80bbe2c3bcffa2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c741d2db419385855f88dd453ea0b6e924519afd2429489ebb80bbe2c3bcffa2", kill_on_drop: false }` [INFO] [stdout] c741d2db419385855f88dd453ea0b6e924519afd2429489ebb80bbe2c3bcffa2 [INFO] checking joshuaTayjo/xml-is-old against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FjoshuaTayjo%2Fxml-is-old" "/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/joshuaTayjo/xml-is-old 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/joshuaTayjo/xml-is-old [INFO] finished tweaking git repo https://github.com/joshuaTayjo/xml-is-old [INFO] tweaked toml for git repo https://github.com/joshuaTayjo/xml-is-old written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/joshuaTayjo/xml-is-old 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] 96e2bd5a4a4ae4a3b111bb9dede798862c35bc9882cd61888e1fa7c4e6c6e3f5 [INFO] running `Command { std: "docker" "start" "-a" "96e2bd5a4a4ae4a3b111bb9dede798862c35bc9882cd61888e1fa7c4e6c6e3f5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "96e2bd5a4a4ae4a3b111bb9dede798862c35bc9882cd61888e1fa7c4e6c6e3f5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "96e2bd5a4a4ae4a3b111bb9dede798862c35bc9882cd61888e1fa7c4e6c6e3f5", kill_on_drop: false }` [INFO] [stdout] 96e2bd5a4a4ae4a3b111bb9dede798862c35bc9882cd61888e1fa7c4e6c6e3f5 [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] 073153703c38f622461568e56460f5ce26160335b69149b910ac86f5933e0a18 [INFO] running `Command { std: "docker" "start" "-a" "073153703c38f622461568e56460f5ce26160335b69149b910ac86f5933e0a18", kill_on_drop: false }` [INFO] [stderr] Checking aho-corasick v1.0.1 [INFO] [stderr] Checking regex-syntax v0.7.2 [INFO] [stderr] Checking regex v1.8.3 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.8.3/src/exec.rs:899:13 [INFO] [stdout] | [INFO] [stdout] 899 | / match dfa::Fsm::reverse( [INFO] [stdout] 900 | | &self.ro.dfa_reverse, [INFO] [stdout] 901 | | self.cache.value(), [INFO] [stdout] 902 | | false, [INFO] [stdout] ... | [INFO] [stdout] 913 | | Quit => return Some(Quit), [INFO] [stdout] 914 | | }; [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" "073153703c38f622461568e56460f5ce26160335b69149b910ac86f5933e0a18", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "073153703c38f622461568e56460f5ce26160335b69149b910ac86f5933e0a18", kill_on_drop: false }` [INFO] [stdout] 073153703c38f622461568e56460f5ce26160335b69149b910ac86f5933e0a18