[INFO] cloning repository https://github.com/shafouz/rust-alarm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shafouz/rust-alarm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshafouz%2Frust-alarm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshafouz%2Frust-alarm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6a9a198b07b54eea8104c534890e516100d1cb0a
[INFO] checking shafouz/rust-alarm against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshafouz%2Frust-alarm" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shafouz/rust-alarm on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/shafouz/rust-alarm
[INFO] finished tweaking git repo https://github.com/shafouz/rust-alarm
[INFO] tweaked toml for git repo https://github.com/shafouz/rust-alarm written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/shafouz/rust-alarm already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d1040e6fa59585dd0ae5f6c027bfa339ff93287c46c3a2fd02bc9694e2540702
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d1040e6fa59585dd0ae5f6c027bfa339ff93287c46c3a2fd02bc9694e2540702", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d1040e6fa59585dd0ae5f6c027bfa339ff93287c46c3a2fd02bc9694e2540702", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1040e6fa59585dd0ae5f6c027bfa339ff93287c46c3a2fd02bc9694e2540702", kill_on_drop: false }`
[INFO] [stdout] d1040e6fa59585dd0ae5f6c027bfa339ff93287c46c3a2fd02bc9694e2540702
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 221e9dd59b6e3ead1249005d2c6ba2ebee9faf7bd9395b04f03285a41800e015
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "221e9dd59b6e3ead1249005d2c6ba2ebee9faf7bd9395b04f03285a41800e015", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libdbus-sys v0.2.1
[INFO] [stderr]     Checking dbus v0.8.4
[INFO] [stderr]     Checking notify-rust v4.0.0
[INFO] [stderr]     Checking alarm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/lib.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 | /         Notification::new()
[INFO] [stdout] 29 | |             .summary("Alarm")
[INFO] [stdout] 30 | |             .body(msg)
[INFO] [stdout] 31 | |             .icon("clock")
[INFO] [stdout] 32 | |             .timeout(0)
[INFO] [stdout] 33 | |             .show();
[INFO] [stdout]    | |____________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/lib.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 | /         Notification::new()
[INFO] [stdout] 29 | |             .summary("Alarm")
[INFO] [stdout] 30 | |             .body(msg)
[INFO] [stdout] 31 | |             .icon("clock")
[INFO] [stdout] 32 | |             .timeout(0)
[INFO] [stdout] 33 | |             .show();
[INFO] [stdout]    | |____________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.66s
[INFO] running `Command { std: "docker" "inspect" "221e9dd59b6e3ead1249005d2c6ba2ebee9faf7bd9395b04f03285a41800e015", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "221e9dd59b6e3ead1249005d2c6ba2ebee9faf7bd9395b04f03285a41800e015", kill_on_drop: false }`
[INFO] [stdout] 221e9dd59b6e3ead1249005d2c6ba2ebee9faf7bd9395b04f03285a41800e015