[INFO] fetching crate cmus-status-line 1.1.1... [INFO] checking cmus-status-line-1.1.1 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate cmus-status-line 1.1.1 into /workspace/builds/worker-7-tc1/source [INFO] validating manifest of crates.io crate cmus-status-line 1.1.1 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 crates.io crate cmus-status-line 1.1.1 [INFO] finished tweaking crates.io crate cmus-status-line 1.1.1 [INFO] tweaked toml for crates.io crate cmus-status-line 1.1.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate crates.io crate cmus-status-line 1.1.1 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 serde_derive v1.0.102 [INFO] [stderr] Downloaded serde v1.0.102 [INFO] [stderr] Downloaded blake2b_simd v0.5.9 [INFO] [stderr] Downloaded htmlescape v0.3.1 [INFO] [stderr] Downloaded ron v0.5.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] affa6c674dbc1243e1c760b194df397bcfa20a7c1d618a443ec4e93b6b60883d [INFO] running `Command { std: "docker" "start" "-a" "affa6c674dbc1243e1c760b194df397bcfa20a7c1d618a443ec4e93b6b60883d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "affa6c674dbc1243e1c760b194df397bcfa20a7c1d618a443ec4e93b6b60883d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "affa6c674dbc1243e1c760b194df397bcfa20a7c1d618a443ec4e93b6b60883d", kill_on_drop: false }` [INFO] [stdout] affa6c674dbc1243e1c760b194df397bcfa20a7c1d618a443ec4e93b6b60883d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] f9aed067537a1eccfb1530d3551b6b3e9294196e17bf8218f7a6ac155807872d [INFO] running `Command { std: "docker" "start" "-a" "f9aed067537a1eccfb1530d3551b6b3e9294196e17bf8218f7a6ac155807872d", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.8 [INFO] [stderr] Compiling serde v1.0.102 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling libc v0.2.65 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking regex-syntax v0.6.12 [INFO] [stderr] Checking htmlescape v0.3.1 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking aho-corasick v0.7.6 [INFO] [stderr] Checking base64 v0.10.1 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking dirs-sys v0.3.4 [INFO] [stderr] Checking dirs v2.0.2 [INFO] [stderr] Checking regex v1.3.1 [INFO] [stderr] Compiling serde_derive v1.0.102 [INFO] [stderr] Checking ron v0.5.1 [INFO] [stderr] Checking toml v0.5.5 [INFO] [stderr] Checking cmus-status-line v1.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `super::CmusPlaybackStatus` [INFO] [stdout] --> src/cmus_status/data/mod.rs:6:13 [INFO] [stdout] | [INFO] [stdout] 6 | pub use super::CmusPlaybackStatus; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `CmusTime`, `Seconds` [INFO] [stdout] --> src/cmus_status/data/mod.rs:7:21 [INFO] [stdout] | [INFO] [stdout] 7 | pub use super::{CmusTime, Seconds}; [INFO] [stdout] | ^^^^^^^^ ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::CmusPlaybackStatus` [INFO] [stdout] --> src/cmus_status/data/mod.rs:6:13 [INFO] [stdout] | [INFO] [stdout] 6 | pub use super::CmusPlaybackStatus; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `CmusTime`, `Seconds` [INFO] [stdout] --> src/cmus_status/data/mod.rs:7:21 [INFO] [stdout] | [INFO] [stdout] 7 | pub use super::{CmusTime, Seconds}; [INFO] [stdout] | ^^^^^^^^ ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `settings` is never read [INFO] [stdout] --> src/cmus_status/data/mod.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 20 | pub struct CmusData { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 25 | settings: CmusSettings, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `CmusData` 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: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `settings` is never read [INFO] [stdout] --> src/cmus_status/data/mod.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 20 | pub struct CmusData { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 25 | settings: CmusSettings, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `CmusData` 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: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.81s [INFO] running `Command { std: "docker" "inspect" "f9aed067537a1eccfb1530d3551b6b3e9294196e17bf8218f7a6ac155807872d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f9aed067537a1eccfb1530d3551b6b3e9294196e17bf8218f7a6ac155807872d", kill_on_drop: false }` [INFO] [stdout] f9aed067537a1eccfb1530d3551b6b3e9294196e17bf8218f7a6ac155807872d [INFO] checking cmus-status-line-1.1.1 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate cmus-status-line 1.1.1 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate cmus-status-line 1.1.1 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 crates.io crate cmus-status-line 1.1.1 [INFO] finished tweaking crates.io crate cmus-status-line 1.1.1 [INFO] tweaked toml for crates.io crate cmus-status-line 1.1.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate crates.io crate cmus-status-line 1.1.1 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] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 9e17faadf69d6055ceba4b15f0ddb771965a5f8a752a00593c53016e43c5af7f [INFO] running `Command { std: "docker" "start" "-a" "9e17faadf69d6055ceba4b15f0ddb771965a5f8a752a00593c53016e43c5af7f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9e17faadf69d6055ceba4b15f0ddb771965a5f8a752a00593c53016e43c5af7f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9e17faadf69d6055ceba4b15f0ddb771965a5f8a752a00593c53016e43c5af7f", kill_on_drop: false }` [INFO] [stdout] 9e17faadf69d6055ceba4b15f0ddb771965a5f8a752a00593c53016e43c5af7f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 35a0769bf48cf9629f1e6b34de6a8e0642a03bee2adfde1da35ef5153fdf5be7 [INFO] running `Command { std: "docker" "start" "-a" "35a0769bf48cf9629f1e6b34de6a8e0642a03bee2adfde1da35ef5153fdf5be7", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.8 [INFO] [stderr] Compiling serde v1.0.102 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling libc v0.2.65 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking regex-syntax v0.6.12 [INFO] [stderr] Checking htmlescape v0.3.1 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking base64 v0.10.1 [INFO] [stderr] Checking aho-corasick v0.7.6 [INFO] [stderr] Checking dirs-sys v0.3.4 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking dirs v2.0.2 [INFO] [stderr] Checking regex v1.3.1 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.3.1/src/exec.rs:838:13 [INFO] [stdout] | [INFO] [stdout] 838 | / match dfa::Fsm::reverse( [INFO] [stdout] 839 | | &self.ro.dfa_reverse, [INFO] [stdout] 840 | | self.cache.value(), [INFO] [stdout] 841 | | false, [INFO] [stdout] ... | [INFO] [stdout] 852 | | Quit => return Some(Quit), [INFO] [stdout] 853 | | }; [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" "35a0769bf48cf9629f1e6b34de6a8e0642a03bee2adfde1da35ef5153fdf5be7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "35a0769bf48cf9629f1e6b34de6a8e0642a03bee2adfde1da35ef5153fdf5be7", kill_on_drop: false }` [INFO] [stdout] 35a0769bf48cf9629f1e6b34de6a8e0642a03bee2adfde1da35ef5153fdf5be7