[INFO] fetching crate cmus-status-line 1.1.1...
[INFO] checking cmus-status-line-1.1.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate cmus-status-line 1.1.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate cmus-status-line 1.1.1 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "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-2-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "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 failure_derive v0.1.6
[INFO] [stderr]   Downloaded quote v1.0.2
[INFO] [stderr]   Downloaded arrayref v0.3.5
[INFO] [stderr]   Downloaded constant_time_eq v0.1.4
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[INFO] [stderr]   Downloaded serde v1.0.102
[INFO] [stderr]   Downloaded synstructure v0.12.3
[INFO] [stderr]   Downloaded cc v1.0.47
[INFO] [stderr]   Downloaded rustc-demangle v0.1.16
[INFO] [stderr]   Downloaded backtrace v0.3.40
[INFO] [stderr]   Downloaded htmlescape v0.3.1
[INFO] [stderr]   Downloaded regex-syntax v0.6.12
[INFO] [stderr]   Downloaded libc v0.2.65
[INFO] [stderr]   Downloaded backtrace-sys v0.1.32
[INFO] [stderr]   Downloaded regex v1.3.1
[INFO] [stderr]   Downloaded syn v1.0.8
[INFO] [stderr]   Downloaded aho-corasick v0.7.6
[INFO] [stderr]   Downloaded failure v0.1.6
[INFO] [stderr]   Downloaded rand_os v0.1.3
[INFO] [stderr]   Downloaded arrayvec v0.5.1
[INFO] [stderr]   Downloaded blake2b_simd v0.5.9
[INFO] [stderr]   Downloaded rust-argon2 v0.5.1
[INFO] [stderr]   Downloaded proc-macro2 v1.0.6
[INFO] [stderr]   Downloaded toml v0.5.5
[INFO] [stderr]   Downloaded redox_users v0.3.1
[INFO] [stderr]   Downloaded dirs-sys v0.3.4
[INFO] [stderr]   Downloaded memchr v2.2.1
[INFO] [stderr]   Downloaded byteorder v1.3.2
[INFO] [stderr]   Downloaded base64 v0.10.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 38ae416f0d4093f08e4efa75b164024bca67e4da0a9972eb9577fa39e38b850c
[INFO] running `Command { std: "docker" "start" "-a" "38ae416f0d4093f08e4efa75b164024bca67e4da0a9972eb9577fa39e38b850c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "38ae416f0d4093f08e4efa75b164024bca67e4da0a9972eb9577fa39e38b850c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38ae416f0d4093f08e4efa75b164024bca67e4da0a9972eb9577fa39e38b850c", kill_on_drop: false }`
[INFO] [stdout] 38ae416f0d4093f08e4efa75b164024bca67e4da0a9972eb9577fa39e38b850c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 27c81a30f0005acd9e0ec2d1d8238bf79d55e9d6f528d62a76ac547d1fa2776c
[INFO] running `Command { std: "docker" "start" "-a" "27c81a30f0005acd9e0ec2d1d8238bf79d55e9d6f528d62a76ac547d1fa2776c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[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: 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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.47s
[INFO] running `Command { std: "docker" "inspect" "27c81a30f0005acd9e0ec2d1d8238bf79d55e9d6f528d62a76ac547d1fa2776c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27c81a30f0005acd9e0ec2d1d8238bf79d55e9d6f528d62a76ac547d1fa2776c", kill_on_drop: false }`
[INFO] [stdout] 27c81a30f0005acd9e0ec2d1d8238bf79d55e9d6f528d62a76ac547d1fa2776c