[INFO] cloning repository https://github.com/TheSoftwareFactory/pulurobot-sequencer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TheSoftwareFactory/pulurobot-sequencer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheSoftwareFactory%2Fpulurobot-sequencer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheSoftwareFactory%2Fpulurobot-sequencer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0a2bee1ba827cdbde52f9b828e773481d552b701
[INFO] testing TheSoftwareFactory/pulurobot-sequencer against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheSoftwareFactory%2Fpulurobot-sequencer" "/workspace/builds/worker-56/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-56/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TheSoftwareFactory/pulurobot-sequencer on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/TheSoftwareFactory/pulurobot-sequencer
[INFO] finished tweaking git repo https://github.com/TheSoftwareFactory/pulurobot-sequencer
[INFO] tweaked toml for git repo https://github.com/TheSoftwareFactory/pulurobot-sequencer written to /workspace/builds/worker-56/source/Cargo.toml
[INFO] crate git repo https://github.com/TheSoftwareFactory/pulurobot-sequencer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 569c8e0f13152af24e4c8579449c74bac76f8de875f2400fe9d6f85e733ee511
[INFO] running `Command { std: "docker" "start" "-a" "569c8e0f13152af24e4c8579449c74bac76f8de875f2400fe9d6f85e733ee511", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "569c8e0f13152af24e4c8579449c74bac76f8de875f2400fe9d6f85e733ee511", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "569c8e0f13152af24e4c8579449c74bac76f8de875f2400fe9d6f85e733ee511", kill_on_drop: false }`
[INFO] [stdout] 569c8e0f13152af24e4c8579449c74bac76f8de875f2400fe9d6f85e733ee511
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c08dbf52ea9acb071a8ae35bcd6d6a64f5872df19c707b1bdbc92c9561ea44eb
[INFO] running `Command { std: "docker" "start" "-a" "c08dbf52ea9acb071a8ae35bcd6d6a64f5872df19c707b1bdbc92c9561ea44eb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling pulurobot-sequencer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/main.rs:186:17
[INFO] [stdout]     |
[INFO] [stdout] 186 |             Err(e) => {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:89:9
[INFO] [stdout]    |
[INFO] [stdout] 89 |         self.signal_ch.send(true);
[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: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:93:9
[INFO] [stdout]    |
[INFO] [stdout] 93 |         self.signal_ch.send(false);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.05s
[INFO] running `Command { std: "docker" "inspect" "c08dbf52ea9acb071a8ae35bcd6d6a64f5872df19c707b1bdbc92c9561ea44eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c08dbf52ea9acb071a8ae35bcd6d6a64f5872df19c707b1bdbc92c9561ea44eb", kill_on_drop: false }`
[INFO] [stdout] c08dbf52ea9acb071a8ae35bcd6d6a64f5872df19c707b1bdbc92c9561ea44eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d063f7f9343bc2ec6946904a5df310254b378c082c9a4fe1cc14ba9587b3ea61
[INFO] running `Command { std: "docker" "start" "-a" "d063f7f9343bc2ec6946904a5df310254b378c082c9a4fe1cc14ba9587b3ea61", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling pulurobot-sequencer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/main.rs:186:17
[INFO] [stdout]     |
[INFO] [stdout] 186 |             Err(e) => {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:89:9
[INFO] [stdout]    |
[INFO] [stdout] 89 |         self.signal_ch.send(true);
[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: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:93:9
[INFO] [stdout]    |
[INFO] [stdout] 93 |         self.signal_ch.send(false);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.23s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/pulurobot_sequencer-38f8bf6a60f19d80)
[INFO] running `Command { std: "docker" "inspect" "d063f7f9343bc2ec6946904a5df310254b378c082c9a4fe1cc14ba9587b3ea61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d063f7f9343bc2ec6946904a5df310254b378c082c9a4fe1cc14ba9587b3ea61", kill_on_drop: false }`
[INFO] [stdout] d063f7f9343bc2ec6946904a5df310254b378c082c9a4fe1cc14ba9587b3ea61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ace70d296ab98b9eb8fd3c66610c93bdea798990f6fa328e45223f46bef6a7ac
[INFO] running `Command { std: "docker" "start" "-a" "ace70d296ab98b9eb8fd3c66610c93bdea798990f6fa328e45223f46bef6a7ac", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stdout] 
[INFO] [stderr]    --> src/main.rs:186:17
[INFO] [stdout] running 0 tests
[INFO] [stderr]     |
[INFO] [stdout] 
[INFO] [stderr] 186 |             Err(e) => {
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]     |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/main.rs:89:9
[INFO] [stderr]    |
[INFO] [stderr] 89 |         self.signal_ch.send(true);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/main.rs:93:9
[INFO] [stderr]    |
[INFO] [stderr] 93 |         self.signal_ch.send(false);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `pulurobot-sequencer` (bin "pulurobot-sequencer" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.48s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/pulurobot_sequencer-38f8bf6a60f19d80)
[INFO] running `Command { std: "docker" "inspect" "ace70d296ab98b9eb8fd3c66610c93bdea798990f6fa328e45223f46bef6a7ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ace70d296ab98b9eb8fd3c66610c93bdea798990f6fa328e45223f46bef6a7ac", kill_on_drop: false }`
[INFO] [stdout] ace70d296ab98b9eb8fd3c66610c93bdea798990f6fa328e45223f46bef6a7ac