[INFO] cloning repository https://github.com/halbgut/mybar
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/halbgut/mybar" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhalbgut%2Fmybar", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhalbgut%2Fmybar'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aad6cb3492f7c06207790413967602b51c411d78
[INFO] testing halbgut/mybar against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhalbgut%2Fmybar" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/halbgut/mybar on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/halbgut/mybar
[INFO] finished tweaking git repo https://github.com/halbgut/mybar
[INFO] tweaked toml for git repo https://github.com/halbgut/mybar written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/halbgut/mybar already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ca14834979cbe9a7d9da8ee76cbc8ccdfa078d658f9a5d560ebbb6ef9241fd5d
[INFO] running `Command { std: "docker" "start" "-a" "ca14834979cbe9a7d9da8ee76cbc8ccdfa078d658f9a5d560ebbb6ef9241fd5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca14834979cbe9a7d9da8ee76cbc8ccdfa078d658f9a5d560ebbb6ef9241fd5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca14834979cbe9a7d9da8ee76cbc8ccdfa078d658f9a5d560ebbb6ef9241fd5d", kill_on_drop: false }`
[INFO] [stdout] ca14834979cbe9a7d9da8ee76cbc8ccdfa078d658f9a5d560ebbb6ef9241fd5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 53d887b92e7bab34921d8ee7bad98468f9a4ee8e0469e15bc99b7867b1ef231c
[INFO] running `Command { std: "docker" "start" "-a" "53d887b92e7bab34921d8ee7bad98468f9a4ee8e0469e15bc99b7867b1ef231c", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.5
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling syn v0.15.42
[INFO] [stderr]    Compiling pkg-config v0.3.15
[INFO] [stderr]    Compiling serde v1.0.98
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling libpulse-sys v1.5.0
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling libpulse-binding v2.6.0
[INFO] [stderr]    Compiling chrono v0.4.7
[INFO] [stderr]    Compiling serde_derive v1.0.98
[INFO] [stderr]    Compiling serde_json v1.0.40
[INFO] [stderr]    Compiling mybar v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `listen`
[INFO] [stdout]    --> src/audio.rs:166:9
[INFO] [stdout]     |
[INFO] [stdout] 166 |      fn listen(&mut self) {
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]    --> src/audio.rs:178:5
[INFO] [stdout]     |
[INFO] [stdout] 178 |     name: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/i3.rs:60:33
[INFO] [stdout]    |
[INFO] [stdout] 60 | ...                   &line_keys.push(item.name.clone());
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 60 |                                 let _ = &line_keys.push(item.name.clone());
[INFO] [stdout]    |                                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.44s
[INFO] running `Command { std: "docker" "inspect" "53d887b92e7bab34921d8ee7bad98468f9a4ee8e0469e15bc99b7867b1ef231c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53d887b92e7bab34921d8ee7bad98468f9a4ee8e0469e15bc99b7867b1ef231c", kill_on_drop: false }`
[INFO] [stdout] 53d887b92e7bab34921d8ee7bad98468f9a4ee8e0469e15bc99b7867b1ef231c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bbc96f03e0dabda895d71701a824a1a3f39577156fc315c62938188c9ce848f3
[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" "bbc96f03e0dabda895d71701a824a1a3f39577156fc315c62938188c9ce848f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling mybar v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `listen`
[INFO] [stdout]    --> src/audio.rs:166:9
[INFO] [stdout]     |
[INFO] [stdout] 166 |      fn listen(&mut self) {
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]    --> src/audio.rs:178:5
[INFO] [stdout]     |
[INFO] [stdout] 178 |     name: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/i3.rs:60:33
[INFO] [stdout]    |
[INFO] [stdout] 60 | ...                   &line_keys.push(item.name.clone());
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 60 |                                 let _ = &line_keys.push(item.name.clone());
[INFO] [stdout]    |                                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "bbc96f03e0dabda895d71701a824a1a3f39577156fc315c62938188c9ce848f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbc96f03e0dabda895d71701a824a1a3f39577156fc315c62938188c9ce848f3", kill_on_drop: false }`
[INFO] [stdout] bbc96f03e0dabda895d71701a824a1a3f39577156fc315c62938188c9ce848f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 773981a483b85659b72ed9ccc49653f749ab4a06a168ec446743babbc5a65f2b
[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" "773981a483b85659b72ed9ccc49653f749ab4a06a168ec446743babbc5a65f2b", kill_on_drop: false }`
[INFO] [stderr] warning: associated function is never used: `listen`
[INFO] [stderr]    --> src/audio.rs:166:9
[INFO] [stderr]     |
[INFO] [stderr] 166 |      fn listen(&mut self) {
[INFO] [stderr]     |         ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `name`
[INFO] [stderr]    --> src/audio.rs:178:5
[INFO] [stderr]     |
[INFO] [stderr] 178 |     name: String,
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]   --> src/i3.rs:60:33
[INFO] [stderr]    |
[INFO] [stderr] 60 | ...                   &line_keys.push(item.name.clone());
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 60 |                                 let _ = &line_keys.push(item.name.clone());
[INFO] [stderr]    |                                 +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `mybar` (bin "mybar" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mybar-09094a9209500d95)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "773981a483b85659b72ed9ccc49653f749ab4a06a168ec446743babbc5a65f2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "773981a483b85659b72ed9ccc49653f749ab4a06a168ec446743babbc5a65f2b", kill_on_drop: false }`
[INFO] [stdout] 773981a483b85659b72ed9ccc49653f749ab4a06a168ec446743babbc5a65f2b