[INFO] cloning repository https://github.com/twaters/mq_arbiter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/twaters/mq_arbiter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwaters%2Fmq_arbiter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwaters%2Fmq_arbiter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 87dbdd56c40c40176561cb80f1109009300ef7dc
[INFO] testing twaters/mq_arbiter against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwaters%2Fmq_arbiter" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/twaters/mq_arbiter on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/twaters/mq_arbiter
[INFO] finished tweaking git repo https://github.com/twaters/mq_arbiter
[INFO] tweaked toml for git repo https://github.com/twaters/mq_arbiter written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/twaters/mq_arbiter already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "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] 15b1e475d06d9af4aabc0531b4b971c749691c0dc4a79cc83156f0f62201bd66
[INFO] running `Command { std: "docker" "start" "-a" "15b1e475d06d9af4aabc0531b4b971c749691c0dc4a79cc83156f0f62201bd66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "15b1e475d06d9af4aabc0531b4b971c749691c0dc4a79cc83156f0f62201bd66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15b1e475d06d9af4aabc0531b4b971c749691c0dc4a79cc83156f0f62201bd66", kill_on_drop: false }`
[INFO] [stdout] 15b1e475d06d9af4aabc0531b4b971c749691c0dc4a79cc83156f0f62201bd66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "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] af51eb514b4179e099b468299f7aa43723cec0bf4c63b3a87580b857b4163d7a
[INFO] running `Command { std: "docker" "start" "-a" "af51eb514b4179e099b468299f7aa43723cec0bf4c63b3a87580b857b4163d7a", kill_on_drop: false }`
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling zmq v0.9.2
[INFO] [stderr]    Compiling metadeps v1.1.2
[INFO] [stderr]    Compiling zmq-sys v0.11.0
[INFO] [stderr]    Compiling arbiter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `zmq::Message::from_slice`: Use the `From` trait instead.
[INFO] [stdout]    --> src/main.rs:214:29
[INFO] [stdout]     |
[INFO] [stdout] 214 |         let state = zmq::Message::from_slice(i.to_string().as_bytes());
[INFO] [stdout]     |                                   ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `message`
[INFO] [stdout]   --> src/main.rs:55:22
[INFO] [stdout]    |
[INFO] [stdout] 55 | fn is_checksum_valid(message: &Vec<zmq::Message>) -> bool {
[INFO] [stdout]    |                      ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `registration_message`
[INFO] [stdout]    --> src/main.rs:103:38
[INFO] [stdout]     |
[INFO] [stdout] 103 | ...y_name : &str, registration_message : &zmq::Message, children : &mut HashMap<String, zmq::Socket>, ctx : &zmq::Context) {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_registration_message`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `checksum`
[INFO] [stdout]    --> src/main.rs:186:8
[INFO] [stdout]     |
[INFO] [stdout] 186 |             let checksum = message.swap_remove(7);
[INFO] [stdout]     |                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_checksum`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.73s
[INFO] running `Command { std: "docker" "inspect" "af51eb514b4179e099b468299f7aa43723cec0bf4c63b3a87580b857b4163d7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af51eb514b4179e099b468299f7aa43723cec0bf4c63b3a87580b857b4163d7a", kill_on_drop: false }`
[INFO] [stdout] af51eb514b4179e099b468299f7aa43723cec0bf4c63b3a87580b857b4163d7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--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] 02519e429b66420a00b8446b6b83c2e51cc245aa7d86b3f6427224fa2eddc551
[INFO] running `Command { std: "docker" "start" "-a" "02519e429b66420a00b8446b6b83c2e51cc245aa7d86b3f6427224fa2eddc551", kill_on_drop: false }`
[INFO] [stderr]    Compiling arbiter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `zmq::Message::from_slice`: Use the `From` trait instead.
[INFO] [stdout]    --> src/main.rs:214:29
[INFO] [stdout]     |
[INFO] [stdout] 214 |         let state = zmq::Message::from_slice(i.to_string().as_bytes());
[INFO] [stdout]     |                                   ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `message`
[INFO] [stdout]   --> src/main.rs:55:22
[INFO] [stdout]    |
[INFO] [stdout] 55 | fn is_checksum_valid(message: &Vec<zmq::Message>) -> bool {
[INFO] [stdout]    |                      ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `registration_message`
[INFO] [stdout]    --> src/main.rs:103:38
[INFO] [stdout]     |
[INFO] [stdout] 103 | ...y_name : &str, registration_message : &zmq::Message, children : &mut HashMap<String, zmq::Socket>, ctx : &zmq::Context) {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_registration_message`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `checksum`
[INFO] [stdout]    --> src/main.rs:186:8
[INFO] [stdout]     |
[INFO] [stdout] 186 |             let checksum = message.swap_remove(7);
[INFO] [stdout]     |                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_checksum`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.22s
[INFO] running `Command { std: "docker" "inspect" "02519e429b66420a00b8446b6b83c2e51cc245aa7d86b3f6427224fa2eddc551", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02519e429b66420a00b8446b6b83c2e51cc245aa7d86b3f6427224fa2eddc551", kill_on_drop: false }`
[INFO] [stdout] 02519e429b66420a00b8446b6b83c2e51cc245aa7d86b3f6427224fa2eddc551
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", 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] 9f9f8a7f01722ab9e3b9a6c2d65b98eae1c630d3d2de335f9d6d8925eebbf75c
[INFO] running `Command { std: "docker" "start" "-a" "9f9f8a7f01722ab9e3b9a6c2d65b98eae1c630d3d2de335f9d6d8925eebbf75c", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated associated function `zmq::Message::from_slice`: Use the `From` trait instead.
[INFO] [stderr]    --> src/main.rs:214:29
[INFO] [stderr]     |
[INFO] [stderr] 214 |         let state = zmq::Message::from_slice(i.to_string().as_bytes());
[INFO] [stderr]     |                                   ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `message`
[INFO] [stderr]   --> src/main.rs:55:22
[INFO] [stderr]    |
[INFO] [stderr] 55 | fn is_checksum_valid(message: &Vec<zmq::Message>) -> bool {
[INFO] [stderr]    |                      ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `registration_message`
[INFO] [stderr]    --> src/main.rs:103:38
[INFO] [stderr]     |
[INFO] [stderr] 103 | ...y_name : &str, registration_message : &zmq::Message, children : &mut HashMap<String, zmq::Socket>, ctx : &zmq::Context) {
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_registration_message`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `checksum`
[INFO] [stderr]    --> src/main.rs:186:8
[INFO] [stderr]     |
[INFO] [stderr] 186 |             let checksum = message.swap_remove(7);
[INFO] [stderr]     |                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_checksum`
[INFO] [stderr] 
[INFO] [stderr] warning: `arbiter` (bin "arbiter" test) generated 4 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/arbiter-4b72ca976b45b11f)
[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" "9f9f8a7f01722ab9e3b9a6c2d65b98eae1c630d3d2de335f9d6d8925eebbf75c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f9f8a7f01722ab9e3b9a6c2d65b98eae1c630d3d2de335f9d6d8925eebbf75c", kill_on_drop: false }`
[INFO] [stdout] 9f9f8a7f01722ab9e3b9a6c2d65b98eae1c630d3d2de335f9d6d8925eebbf75c