[INFO] cloning repository https://github.com/manchoz/patchberry [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/manchoz/patchberry" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmanchoz%2Fpatchberry", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmanchoz%2Fpatchberry'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b0edec77226f3798344d93545c07f062c8944a6b [INFO] checking manchoz/patchberry against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmanchoz%2Fpatchberry" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/manchoz/patchberry 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/manchoz/patchberry [INFO] finished tweaking git repo https://github.com/manchoz/patchberry [INFO] tweaked toml for git repo https://github.com/manchoz/patchberry written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/manchoz/patchberry 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-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 4d6c560ed7a4b30d70c98b7c9d33d60e996356b4b5f83687eb04a91ef5683847 [INFO] running `Command { std: "docker" "start" "-a" "4d6c560ed7a4b30d70c98b7c9d33d60e996356b4b5f83687eb04a91ef5683847", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4d6c560ed7a4b30d70c98b7c9d33d60e996356b4b5f83687eb04a91ef5683847", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4d6c560ed7a4b30d70c98b7c9d33d60e996356b4b5f83687eb04a91ef5683847", kill_on_drop: false }` [INFO] [stdout] 4d6c560ed7a4b30d70c98b7c9d33d60e996356b4b5f83687eb04a91ef5683847 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 4e5f35338c29bf6acefd68ec748f34dc89846b41bb3b8801ddf8861798cd2e23 [INFO] running `Command { std: "docker" "start" "-a" "4e5f35338c29bf6acefd68ec748f34dc89846b41bb3b8801ddf8861798cd2e23", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.19 [INFO] [stderr] Compiling libc v0.2.76 [INFO] [stderr] Compiling syn v1.0.39 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking regex-syntax v0.6.26 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking either v1.6.0 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking itertools v0.9.0 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking regex v1.5.5 [INFO] [stderr] Compiling structopt-derive v0.4.10 [INFO] [stderr] Checking structopt v0.3.17 [INFO] [stderr] Checking patchberry v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: fields `id`, `usb`, and `name` are never read [INFO] [stdout] --> src/lib.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 13 | pub struct Card { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 14 | id: u32, [INFO] [stdout] | ^^ [INFO] [stdout] 15 | usb: String, [INFO] [stdout] | ^^^ [INFO] [stdout] 16 | name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Card` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `src` and `dst` are never read [INFO] [stdout] --> src/lib.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 26 | pub struct Connection { [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] 27 | src: Port, [INFO] [stdout] | ^^^ [INFO] [stdout] 28 | dst: Port, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Connection` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> src/lib.rs:49:5 [INFO] [stdout] | [INFO] [stdout] 47 | struct AlsaPort { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 48 | id: u32, [INFO] [stdout] 49 | name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `AlsaPort` 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 `kind` and `card` are never read [INFO] [stdout] --> src/lib.rs:63:5 [INFO] [stdout] | [INFO] [stdout] 60 | struct AlsaInfo { [INFO] [stdout] | -------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 63 | kind: AlsaKind, [INFO] [stdout] | ^^^^ [INFO] [stdout] 64 | card: u32, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `AlsaInfo` 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 `name`, `status`, `alsa`, and `ports` are never read [INFO] [stdout] --> src/lib.rs:75:5 [INFO] [stdout] | [INFO] [stdout] 74 | pub struct Client { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 75 | name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] 76 | status: ClientStatus, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 77 | alsa: AlsaInfo, [INFO] [stdout] | ^^^^ [INFO] [stdout] 78 | ports: Vec, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Client` 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 `id`, `usb`, and `name` are never read [INFO] [stdout] --> src/lib.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 13 | pub struct Card { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 14 | id: u32, [INFO] [stdout] | ^^ [INFO] [stdout] 15 | usb: String, [INFO] [stdout] | ^^^ [INFO] [stdout] 16 | name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Card` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `src` and `dst` are never read [INFO] [stdout] --> src/lib.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 26 | pub struct Connection { [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] 27 | src: Port, [INFO] [stdout] | ^^^ [INFO] [stdout] 28 | dst: Port, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Connection` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> src/lib.rs:49:5 [INFO] [stdout] | [INFO] [stdout] 47 | struct AlsaPort { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 48 | id: u32, [INFO] [stdout] 49 | name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `AlsaPort` 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 `kind` and `card` are never read [INFO] [stdout] --> src/lib.rs:63:5 [INFO] [stdout] | [INFO] [stdout] 60 | struct AlsaInfo { [INFO] [stdout] | -------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 63 | kind: AlsaKind, [INFO] [stdout] | ^^^^ [INFO] [stdout] 64 | card: u32, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `AlsaInfo` 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 `name`, `status`, `alsa`, and `ports` are never read [INFO] [stdout] --> src/lib.rs:75:5 [INFO] [stdout] | [INFO] [stdout] 74 | pub struct Client { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 75 | name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] 76 | status: ClientStatus, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 77 | alsa: AlsaInfo, [INFO] [stdout] | ^^^^ [INFO] [stdout] 78 | ports: Vec, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Client` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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 3.39s [INFO] running `Command { std: "docker" "inspect" "4e5f35338c29bf6acefd68ec748f34dc89846b41bb3b8801ddf8861798cd2e23", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4e5f35338c29bf6acefd68ec748f34dc89846b41bb3b8801ddf8861798cd2e23", kill_on_drop: false }` [INFO] [stdout] 4e5f35338c29bf6acefd68ec748f34dc89846b41bb3b8801ddf8861798cd2e23 [INFO] checking manchoz/patchberry against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmanchoz%2Fpatchberry" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/manchoz/patchberry 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/manchoz/patchberry [INFO] finished tweaking git repo https://github.com/manchoz/patchberry [INFO] tweaked toml for git repo https://github.com/manchoz/patchberry written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/manchoz/patchberry 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 6a08ff10e24b47b0abb3a293c4fb42f337333ff77c378d4f0263102da04f5f5c [INFO] running `Command { std: "docker" "start" "-a" "6a08ff10e24b47b0abb3a293c4fb42f337333ff77c378d4f0263102da04f5f5c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6a08ff10e24b47b0abb3a293c4fb42f337333ff77c378d4f0263102da04f5f5c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6a08ff10e24b47b0abb3a293c4fb42f337333ff77c378d4f0263102da04f5f5c", kill_on_drop: false }` [INFO] [stdout] 6a08ff10e24b47b0abb3a293c4fb42f337333ff77c378d4f0263102da04f5f5c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 46e160abd732879bb90dccd1921d8c511fe565c85569b7eab4431478e497c6a0 [INFO] running `Command { std: "docker" "start" "-a" "46e160abd732879bb90dccd1921d8c511fe565c85569b7eab4431478e497c6a0", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.19 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling libc v0.2.76 [INFO] [stderr] Compiling syn v1.0.39 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking either v1.6.0 [INFO] [stderr] Checking regex-syntax v0.6.26 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking itertools v0.9.0 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking regex v1.5.5 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.5.5/src/exec.rs:848:13 [INFO] [stdout] | [INFO] [stdout] 848 | / match dfa::Fsm::reverse( [INFO] [stdout] 849 | | &self.ro.dfa_reverse, [INFO] [stdout] 850 | | self.cache.value(), [INFO] [stdout] 851 | | false, [INFO] [stdout] ... | [INFO] [stdout] 862 | | Quit => return Some(Quit), [INFO] [stdout] 863 | | }; [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" "46e160abd732879bb90dccd1921d8c511fe565c85569b7eab4431478e497c6a0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "46e160abd732879bb90dccd1921d8c511fe565c85569b7eab4431478e497c6a0", kill_on_drop: false }` [INFO] [stdout] 46e160abd732879bb90dccd1921d8c511fe565c85569b7eab4431478e497c6a0