[INFO] cloning repository https://github.com/house-of-vanity/cmus-notify
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/house-of-vanity/cmus-notify" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhouse-of-vanity%2Fcmus-notify", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhouse-of-vanity%2Fcmus-notify'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 29fc1a10e5b1c8eb37d1eb053c6fd827b6812e9f
[INFO] checking house-of-vanity/cmus-notify against master#ddaf12390d3ffb7d5ba74491a48f3cd528e5d777 for pr-146504
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhouse-of-vanity%2Fcmus-notify" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/house-of-vanity/cmus-notify
[INFO] finished tweaking git repo https://github.com/house-of-vanity/cmus-notify
[INFO] tweaked toml for git repo https://github.com/house-of-vanity/cmus-notify written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/house-of-vanity/cmus-notify on toolchain ddaf12390d3ffb7d5ba74491a48f3cd528e5d777
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ddaf12390d3ffb7d5ba74491a48f3cd528e5d777" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/house-of-vanity/cmus-notify 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" "+ddaf12390d3ffb7d5ba74491a48f3cd528e5d777" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libdbus-sys v0.2.1
[INFO] [stderr]   Downloaded notify-rust v3.6.3
[INFO] [stderr]   Downloaded mac-notification-sys v0.3.0
[INFO] [stderr]   Downloaded cc v1.0.52
[INFO] [stderr]   Downloaded libc v0.2.69
[INFO] [stderr]   Downloaded dbus v0.8.2
[INFO] [stderr]   Downloaded dbus v0.6.5
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ddaf12390d3ffb7d5ba74491a48f3cd528e5d777" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0585a7323eb9cabf5740b267c375fdf26d3f38e42cf94881c5b4479b0cc8a30e
[INFO] running `Command { std: "docker" "start" "-a" "0585a7323eb9cabf5740b267c375fdf26d3f38e42cf94881c5b4479b0cc8a30e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0585a7323eb9cabf5740b267c375fdf26d3f38e42cf94881c5b4479b0cc8a30e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0585a7323eb9cabf5740b267c375fdf26d3f38e42cf94881c5b4479b0cc8a30e", kill_on_drop: false }`
[INFO] [stdout] 0585a7323eb9cabf5740b267c375fdf26d3f38e42cf94881c5b4479b0cc8a30e
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ddaf12390d3ffb7d5ba74491a48f3cd528e5d777" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e370a8f21dbfc714e23143c1faacc74c214328a714410766a969a4e48f6fd0a2
[INFO] running `Command { std: "docker" "start" "-a" "e370a8f21dbfc714e23143c1faacc74c214328a714410766a969a4e48f6fd0a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling libdbus-sys v0.2.1
[INFO] [stderr]     Checking dbus v0.6.5
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking dbus v0.8.2
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking notify-rust v3.6.3
[INFO] [stderr]     Checking cmus-notify v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:77:5
[INFO] [stdout]    |
[INFO] [stdout] 77 | /     Notification::new()
[INFO] [stdout] 78 | |         .summary(&format!("{}", track_info.title,))
[INFO] [stdout] 79 | |         .appname("Cmus")
[INFO] [stdout] 80 | |         .body(&format!(
[INFO] [stdout] ...  |
[INFO] [stdout] 86 | |         .icon("music")
[INFO] [stdout] 87 | |         .show()
[INFO] [stdout]    | |_______________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 77 |     let _ = Notification::new()
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:77:5
[INFO] [stdout]    |
[INFO] [stdout] 77 | /     Notification::new()
[INFO] [stdout] 78 | |         .summary(&format!("{}", track_info.title,))
[INFO] [stdout] 79 | |         .appname("Cmus")
[INFO] [stdout] 80 | |         .body(&format!(
[INFO] [stdout] ...  |
[INFO] [stdout] 86 | |         .icon("music")
[INFO] [stdout] 87 | |         .show()
[INFO] [stdout]    | |_______________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 77 |     let _ = Notification::new()
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.91s
[INFO] running `Command { std: "docker" "inspect" "e370a8f21dbfc714e23143c1faacc74c214328a714410766a969a4e48f6fd0a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e370a8f21dbfc714e23143c1faacc74c214328a714410766a969a4e48f6fd0a2", kill_on_drop: false }`
[INFO] [stdout] e370a8f21dbfc714e23143c1faacc74c214328a714410766a969a4e48f6fd0a2