[INFO] cloning repository https://github.com/amty/magreader [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/amty/magreader" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famty%2Fmagreader", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famty%2Fmagreader'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9517eb8dd8f39a6b7e90e63f38cb4d8a89237d62 [INFO] checking amty/magreader against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famty%2Fmagreader" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/amty/magreader 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/amty/magreader [INFO] finished tweaking git repo https://github.com/amty/magreader [INFO] tweaked toml for git repo https://github.com/amty/magreader written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/amty/magreader 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] Updating git repository `https://github.com/amty/markdown.rs` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded csv-core v0.1.4 [INFO] [stderr] Downloaded syn v0.13.4 [INFO] [stderr] Downloaded regex-syntax v0.5.5 [INFO] [stderr] Downloaded regex v0.2.10 [INFO] [stderr] Downloaded csv v1.0.0-beta.5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] d0c712978304843a3bb86b048e86d3c721a9cd7be740ad76a4af7610cf93350a [INFO] running `Command { std: "docker" "start" "-a" "d0c712978304843a3bb86b048e86d3c721a9cd7be740ad76a4af7610cf93350a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d0c712978304843a3bb86b048e86d3c721a9cd7be740ad76a4af7610cf93350a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d0c712978304843a3bb86b048e86d3c721a9cd7be740ad76a4af7610cf93350a", kill_on_drop: false }` [INFO] [stdout] d0c712978304843a3bb86b048e86d3c721a9cd7be740ad76a4af7610cf93350a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] a756e367cef68b4c861eb96ed46b2224f600d5a87af33a5d783db8c9b6f08d15 [INFO] running `Command { std: "docker" "start" "-a" "a756e367cef68b4c861eb96ed46b2224f600d5a87af33a5d783db8c9b6f08d15", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.40 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Compiling regex v0.2.10 [INFO] [stderr] Checking ucd-util v0.1.1 [INFO] [stderr] Checking lazy_static v1.0.0 [INFO] [stderr] Checking utf8-ranges v1.0.0 [INFO] [stderr] Compiling proc-macro2 v0.3.8 [INFO] [stderr] Checking serde v1.0.43 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking pipeline v0.5.0 [INFO] [stderr] Checking regex-syntax v0.5.5 [INFO] [stderr] Checking thread_local v0.3.5 [INFO] [stderr] Compiling quote v0.5.2 [INFO] [stderr] Checking memchr v2.0.1 [INFO] [stderr] Compiling syn v0.13.4 [INFO] [stderr] Checking aho-corasick v0.6.4 [INFO] [stderr] Checking csv-core v0.1.4 [INFO] [stderr] Compiling serde_derive_internals v0.23.1 [INFO] [stderr] Checking markdown v0.2.0 (https://github.com/amty/markdown.rs#788aa512) [INFO] [stderr] Compiling serde_derive v1.0.43 [INFO] [stderr] Checking csv v1.0.0-beta.5 [INFO] [stderr] Checking export-mags v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/main.rs:159:6 [INFO] [stdout] | [INFO] [stdout] 159 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/main.rs:159:6 [INFO] [stdout] | [INFO] [stdout] 159 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:70:37 [INFO] [stdout] | [INFO] [stdout] 70 | links = if let Some(mut ls) = links { [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/main.rs:70:37 [INFO] [stdout] | [INFO] [stdout] 70 | links = if let Some(mut ls) = links { [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/main.rs:93:37 [INFO] [stdout] | [INFO] [stdout] 93 | links = if let Some(mut ls) = links { [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:93:37 [INFO] [stdout] | [INFO] [stdout] 93 | links = if let Some(mut ls) = links { [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:127:24 [INFO] [stdout] | [INFO] [stdout] 127 | let (text, mut ls) = if let Some(mut ls) = links { [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:127:46 [INFO] [stdout] | [INFO] [stdout] 127 | let (text, mut ls) = if let Some(mut ls) = links { [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:127:24 [INFO] [stdout] | [INFO] [stdout] 127 | let (text, mut ls) = if let Some(mut ls) = links { [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:127:46 [INFO] [stdout] | [INFO] [stdout] 127 | let (text, mut ls) = if let Some(mut ls) = links { [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.78s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.13.4 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2` [INFO] running `Command { std: "docker" "inspect" "a756e367cef68b4c861eb96ed46b2224f600d5a87af33a5d783db8c9b6f08d15", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a756e367cef68b4c861eb96ed46b2224f600d5a87af33a5d783db8c9b6f08d15", kill_on_drop: false }` [INFO] [stdout] a756e367cef68b4c861eb96ed46b2224f600d5a87af33a5d783db8c9b6f08d15 [INFO] checking amty/magreader against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famty%2Fmagreader" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/amty/magreader 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/amty/magreader [INFO] finished tweaking git repo https://github.com/amty/magreader [INFO] tweaked toml for git repo https://github.com/amty/magreader written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/amty/magreader 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 6d853679230f863576ab661a91cf904673d2756f5484bcb59bba4b0be2e7c725 [INFO] running `Command { std: "docker" "start" "-a" "6d853679230f863576ab661a91cf904673d2756f5484bcb59bba4b0be2e7c725", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6d853679230f863576ab661a91cf904673d2756f5484bcb59bba4b0be2e7c725", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6d853679230f863576ab661a91cf904673d2756f5484bcb59bba4b0be2e7c725", kill_on_drop: false }` [INFO] [stdout] 6d853679230f863576ab661a91cf904673d2756f5484bcb59bba4b0be2e7c725 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 55a537f82bf15e6736d87f1d5a7a152d0c1813709922533448c45bdd356f697d [INFO] running `Command { std: "docker" "start" "-a" "55a537f82bf15e6736d87f1d5a7a152d0c1813709922533448c45bdd356f697d", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.40 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Compiling regex v0.2.10 [INFO] [stderr] Checking lazy_static v1.0.0 [INFO] [stderr] Checking ucd-util v0.1.1 [INFO] [stderr] Checking utf8-ranges v1.0.0 [INFO] [stderr] Checking pipeline v0.5.0 [INFO] [stderr] Compiling proc-macro2 v0.3.8 [INFO] [stderr] Checking lazy_static v0.2.11 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking serde v1.0.43 [INFO] [stderr] Checking thread_local v0.3.5 [INFO] [stderr] Checking regex-syntax v0.5.5 [INFO] [stderr] Compiling quote v0.5.2 [INFO] [stderr] Checking memchr v2.0.1 [INFO] [stderr] Checking aho-corasick v0.6.4 [INFO] [stderr] Checking csv-core v0.1.4 [INFO] [stderr] Compiling syn v0.13.4 [INFO] [stderr] Compiling serde_derive_internals v0.23.1 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-0.2.10/src/exec.rs:751:13 [INFO] [stdout] | [INFO] [stdout] 751 | / match dfa::Fsm::reverse( [INFO] [stdout] 752 | | &self.ro.dfa_reverse, [INFO] [stdout] 753 | | self.cache, [INFO] [stdout] 754 | | false, [INFO] [stdout] ... | [INFO] [stdout] 761 | | Quit => return Some(Quit), [INFO] [stdout] 762 | | }; [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] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "55a537f82bf15e6736d87f1d5a7a152d0c1813709922533448c45bdd356f697d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "55a537f82bf15e6736d87f1d5a7a152d0c1813709922533448c45bdd356f697d", kill_on_drop: false }` [INFO] [stdout] 55a537f82bf15e6736d87f1d5a7a152d0c1813709922533448c45bdd356f697d