[INFO] cloning repository https://github.com/justjake/appear-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/justjake/appear-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustjake%2Fappear-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustjake%2Fappear-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] fc931d99a304a49047603c45072bba39b7c40f0a [INFO] checking justjake/appear-rs against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustjake%2Fappear-rs" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/justjake/appear-rs 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/justjake/appear-rs [INFO] finished tweaking git repo https://github.com/justjake/appear-rs [INFO] tweaked toml for git repo https://github.com/justjake/appear-rs written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/justjake/appear-rs 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 simple-error v0.1.10 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 7abe8238811e2ac8d0307f572d7156838b27591bb8dcd784e6c7ddbacb2d03bb [INFO] running `Command { std: "docker" "start" "-a" "7abe8238811e2ac8d0307f572d7156838b27591bb8dcd784e6c7ddbacb2d03bb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7abe8238811e2ac8d0307f572d7156838b27591bb8dcd784e6c7ddbacb2d03bb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7abe8238811e2ac8d0307f572d7156838b27591bb8dcd784e6c7ddbacb2d03bb", kill_on_drop: false }` [INFO] [stdout] 7abe8238811e2ac8d0307f572d7156838b27591bb8dcd784e6c7ddbacb2d03bb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 474cbe18e0a8989d25c89f63a19445ba6d8b3947999a88381bee2a45083291c5 [INFO] running `Command { std: "docker" "start" "-a" "474cbe18e0a8989d25c89f63a19445ba6d8b3947999a88381bee2a45083291c5", kill_on_drop: false }` [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking libc v0.2.39 [INFO] [stderr] Checking lazy_static v1.0.0 [INFO] [stderr] Checking ucd-util v0.1.1 [INFO] [stderr] Compiling regex v0.2.10 [INFO] [stderr] Checking utf8-ranges v1.0.0 [INFO] [stderr] Checking simple-error v0.1.10 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking regex-syntax v0.5.3 [INFO] [stderr] Checking thread_local v0.3.5 [INFO] [stderr] Checking memchr v2.0.1 [INFO] [stderr] Checking aho-corasick v0.6.4 [INFO] [stderr] Checking appear-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Option` is imported redundantly [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::option::Option; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Option` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/main.rs:36:15 [INFO] [stdout] | [INFO] [stdout] 36 | let out = try!(Command::new("ps") [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Option` is imported redundantly [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::option::Option; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Option` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/main.rs:36:15 [INFO] [stdout] | [INFO] [stdout] 36 | let out = try!(Command::new("ps") [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred [INFO] [stdout] --> src/main.rs:32:5 [INFO] [stdout] | [INFO] [stdout] 32 | / lazy_static! { [INFO] [stdout] 33 | | static ref SPACES: Regex = Regex::new(r"\s+").unwrap(); [INFO] [stdout] 34 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred [INFO] [stdout] --> src/main.rs:32:5 [INFO] [stdout] | [INFO] [stdout] 32 | / lazy_static! { [INFO] [stdout] 33 | | static ref SPACES: Regex = Regex::new(r"\s+").unwrap(); [INFO] [stdout] 34 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `pid`, `command`, and `ppid` are never read [INFO] [stdout] --> src/main.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 24 | struct ProcessInfo { [INFO] [stdout] | ----------- fields in this struct [INFO] [stdout] 25 | pid: i32, [INFO] [stdout] | ^^^ [INFO] [stdout] 26 | command: String, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 27 | ppid: Option, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ProcessInfo` 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 `pid`, `command`, and `ppid` are never read [INFO] [stdout] --> src/main.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 24 | struct ProcessInfo { [INFO] [stdout] | ----------- fields in this struct [INFO] [stdout] 25 | pid: i32, [INFO] [stdout] | ^^^ [INFO] [stdout] 26 | command: String, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 27 | ppid: Option, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ProcessInfo` 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: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.44s [INFO] running `Command { std: "docker" "inspect" "474cbe18e0a8989d25c89f63a19445ba6d8b3947999a88381bee2a45083291c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "474cbe18e0a8989d25c89f63a19445ba6d8b3947999a88381bee2a45083291c5", kill_on_drop: false }` [INFO] [stdout] 474cbe18e0a8989d25c89f63a19445ba6d8b3947999a88381bee2a45083291c5 [INFO] checking justjake/appear-rs against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustjake%2Fappear-rs" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/justjake/appear-rs 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/justjake/appear-rs [INFO] finished tweaking git repo https://github.com/justjake/appear-rs [INFO] tweaked toml for git repo https://github.com/justjake/appear-rs written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/justjake/appear-rs 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 423a2a9739f184fb0642a18b946907bf91a81d330f78299168e5d19bbb3caf7e [INFO] running `Command { std: "docker" "start" "-a" "423a2a9739f184fb0642a18b946907bf91a81d330f78299168e5d19bbb3caf7e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "423a2a9739f184fb0642a18b946907bf91a81d330f78299168e5d19bbb3caf7e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "423a2a9739f184fb0642a18b946907bf91a81d330f78299168e5d19bbb3caf7e", kill_on_drop: false }` [INFO] [stdout] 423a2a9739f184fb0642a18b946907bf91a81d330f78299168e5d19bbb3caf7e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 8e8b2c32b4582d34223ac567c4386957cbe2168a964c0d7fc8685b4d7686c662 [INFO] running `Command { std: "docker" "start" "-a" "8e8b2c32b4582d34223ac567c4386957cbe2168a964c0d7fc8685b4d7686c662", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.39 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking lazy_static v1.0.0 [INFO] [stderr] Checking ucd-util v0.1.1 [INFO] [stderr] Compiling regex v0.2.10 [INFO] [stderr] Checking utf8-ranges v1.0.0 [INFO] [stderr] Checking simple-error v0.1.10 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking regex-syntax v0.5.3 [INFO] [stderr] Checking thread_local v0.3.5 [INFO] [stderr] Checking memchr v2.0.1 [INFO] [stderr] Checking aho-corasick v0.6.4 [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] running `Command { std: "docker" "inspect" "8e8b2c32b4582d34223ac567c4386957cbe2168a964c0d7fc8685b4d7686c662", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8e8b2c32b4582d34223ac567c4386957cbe2168a964c0d7fc8685b4d7686c662", kill_on_drop: false }` [INFO] [stdout] 8e8b2c32b4582d34223ac567c4386957cbe2168a964c0d7fc8685b4d7686c662