[INFO] cloning repository https://github.com/silverjam/rslow [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/silverjam/rslow" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsilverjam%2Frslow", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsilverjam%2Frslow'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e867d5e4502ac2c5425959aa78fac1d1279fa8fb [INFO] checking silverjam/rslow against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsilverjam%2Frslow" "/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/silverjam/rslow 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/silverjam/rslow [INFO] finished tweaking git repo https://github.com/silverjam/rslow [INFO] tweaked toml for git repo https://github.com/silverjam/rslow written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/silverjam/rslow 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 crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded yaml-rust v0.3.5 [INFO] [stderr] Downloaded env_logger v0.4.3 [INFO] [stderr] Downloaded atty v0.2.2 [INFO] [stderr] Downloaded ansi_term v0.9.0 [INFO] [stderr] Downloaded strsim v0.6.0 [INFO] [stderr] Downloaded term_size v0.3.0 [INFO] [stderr] Downloaded aho-corasick v0.6.3 [INFO] [stderr] Downloaded textwrap v0.8.0 [INFO] [stderr] Downloaded memchr v1.0.1 [INFO] [stderr] Downloaded lazy_static v0.2.8 [INFO] [stderr] Downloaded thread_local v0.3.4 [INFO] [stderr] Downloaded regex-syntax v0.4.1 [INFO] [stderr] Downloaded clap v2.26.2 [INFO] [stderr] Downloaded libc v0.2.30 [INFO] [stderr] Downloaded regex v0.2.2 [INFO] [stderr] Downloaded log v0.3.8 [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] f7bd117135bdc737f1a0d328362565b2370a7070759dbd316e7e32aa97a5af58 [INFO] running `Command { std: "docker" "start" "-a" "f7bd117135bdc737f1a0d328362565b2370a7070759dbd316e7e32aa97a5af58", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f7bd117135bdc737f1a0d328362565b2370a7070759dbd316e7e32aa97a5af58", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f7bd117135bdc737f1a0d328362565b2370a7070759dbd316e7e32aa97a5af58", kill_on_drop: false }` [INFO] [stdout] f7bd117135bdc737f1a0d328362565b2370a7070759dbd316e7e32aa97a5af58 [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] 5bb977d778dea8a6924e6bf8ca6bfaa592f10c46e1c0adfccbdc3a596bdede5d [INFO] running `Command { std: "docker" "start" "-a" "5bb977d778dea8a6924e6bf8ca6bfaa592f10c46e1c0adfccbdc3a596bdede5d", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.30 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking lazy_static v0.2.8 [INFO] [stderr] Checking utf8-ranges v1.0.0 [INFO] [stderr] Checking unicode-width v0.1.4 [INFO] [stderr] Checking regex-syntax v0.4.1 [INFO] [stderr] Checking ansi_term v0.9.0 [INFO] [stderr] Checking log v0.3.8 [INFO] [stderr] Checking vec_map v0.8.0 [INFO] [stderr] Checking strsim v0.6.0 [INFO] [stderr] Checking yaml-rust v0.3.5 [INFO] [stderr] Checking bitflags v0.9.1 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking thread_local v0.3.4 [INFO] [stderr] Checking memchr v1.0.1 [INFO] [stderr] Checking term_size v0.3.0 [INFO] [stderr] Checking atty v0.2.2 [INFO] [stderr] Checking textwrap v0.8.0 [INFO] [stderr] Checking aho-corasick v0.6.3 [INFO] [stderr] Checking clap v2.26.2 [INFO] [stderr] Checking regex v0.2.2 [INFO] [stderr] Checking env_logger v0.4.3 [INFO] [stderr] Checking rslow v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/main.rs:86:24 [INFO] [stdout] | [INFO] [stdout] 86 | panic!(error.to_string()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] help: add a "{}" format string to `Display` the message [INFO] [stdout] | [INFO] [stdout] 86 | panic!("{}", error.to_string()); [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/main.rs:86:24 [INFO] [stdout] | [INFO] [stdout] 86 | panic!(error.to_string()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] help: add a "{}" format string to `Display` the message [INFO] [stdout] | [INFO] [stdout] 86 | panic!("{}", error.to_string()); [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.96s [INFO] running `Command { std: "docker" "inspect" "5bb977d778dea8a6924e6bf8ca6bfaa592f10c46e1c0adfccbdc3a596bdede5d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5bb977d778dea8a6924e6bf8ca6bfaa592f10c46e1c0adfccbdc3a596bdede5d", kill_on_drop: false }` [INFO] [stdout] 5bb977d778dea8a6924e6bf8ca6bfaa592f10c46e1c0adfccbdc3a596bdede5d [INFO] checking silverjam/rslow against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsilverjam%2Frslow" "/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/silverjam/rslow 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/silverjam/rslow [INFO] finished tweaking git repo https://github.com/silverjam/rslow [INFO] tweaked toml for git repo https://github.com/silverjam/rslow written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/silverjam/rslow 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] 2fad99027ea13033fe2ef507480d88776bb0a037641df0da6ccb5f2998c6e882 [INFO] running `Command { std: "docker" "start" "-a" "2fad99027ea13033fe2ef507480d88776bb0a037641df0da6ccb5f2998c6e882", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2fad99027ea13033fe2ef507480d88776bb0a037641df0da6ccb5f2998c6e882", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2fad99027ea13033fe2ef507480d88776bb0a037641df0da6ccb5f2998c6e882", kill_on_drop: false }` [INFO] [stdout] 2fad99027ea13033fe2ef507480d88776bb0a037641df0da6ccb5f2998c6e882 [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] 7d6dc1562ede0228724cccfeb923b1ee609a4dcde88880a26e6625323e274da7 [INFO] running `Command { std: "docker" "start" "-a" "7d6dc1562ede0228724cccfeb923b1ee609a4dcde88880a26e6625323e274da7", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.30 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking lazy_static v0.2.8 [INFO] [stderr] Checking utf8-ranges v1.0.0 [INFO] [stderr] Checking unicode-width v0.1.4 [INFO] [stderr] Checking regex-syntax v0.4.1 [INFO] [stderr] Checking vec_map v0.8.0 [INFO] [stderr] Checking yaml-rust v0.3.5 [INFO] [stderr] Checking bitflags v0.9.1 [INFO] [stderr] Checking ansi_term v0.9.0 [INFO] [stderr] Checking strsim v0.6.0 [INFO] [stderr] Checking log v0.3.8 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking thread_local v0.3.4 [INFO] [stderr] Checking memchr v1.0.1 [INFO] [stderr] Checking term_size v0.3.0 [INFO] [stderr] Checking atty v0.2.2 [INFO] [stderr] Checking textwrap v0.8.0 [INFO] [stderr] Checking aho-corasick v0.6.3 [INFO] [stderr] Checking clap v2.26.2 [INFO] [stderr] Checking regex v0.2.2 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-0.2.2/src/exec.rs:738:13 [INFO] [stdout] | [INFO] [stdout] 738 | / match dfa::Fsm::reverse( [INFO] [stdout] 739 | | &self.ro.dfa_reverse, [INFO] [stdout] 740 | | &self.cache, [INFO] [stdout] 741 | | false, [INFO] [stdout] ... | [INFO] [stdout] 748 | | Quit => return Some(Quit), [INFO] [stdout] 749 | | }; [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" "7d6dc1562ede0228724cccfeb923b1ee609a4dcde88880a26e6625323e274da7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7d6dc1562ede0228724cccfeb923b1ee609a4dcde88880a26e6625323e274da7", kill_on_drop: false }` [INFO] [stdout] 7d6dc1562ede0228724cccfeb923b1ee609a4dcde88880a26e6625323e274da7