[INFO] cloning repository https://github.com/jazminsofiaf/bc-crawl
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jazminsofiaf/bc-crawl" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjazminsofiaf%2Fbc-crawl", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjazminsofiaf%2Fbc-crawl'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 73f63847aa06612acaad1b7f48ce3aaab41eca83
[INFO] testing jazminsofiaf/bc-crawl against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjazminsofiaf%2Fbc-crawl" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jazminsofiaf/bc-crawl on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jazminsofiaf/bc-crawl
[INFO] finished tweaking git repo https://github.com/jazminsofiaf/bc-crawl
[INFO] tweaked toml for git repo https://github.com/jazminsofiaf/bc-crawl written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/jazminsofiaf/bc-crawl already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ferris-says v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e6a1597a0fc44ef5dd43a1d1cf9357cfce743783b4af3d3733cea3611fa8311d
[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" "e6a1597a0fc44ef5dd43a1d1cf9357cfce743783b4af3d3733cea3611fa8311d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6a1597a0fc44ef5dd43a1d1cf9357cfce743783b4af3d3733cea3611fa8311d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6a1597a0fc44ef5dd43a1d1cf9357cfce743783b4af3d3733cea3611fa8311d", kill_on_drop: false }`
[INFO] [stdout] e6a1597a0fc44ef5dd43a1d1cf9357cfce743783b4af3d3733cea3611fa8311d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 06d9b2a9736b3267c6997ad8d347e476db44ada1857ad9118444ca8b7e03f307
[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" "06d9b2a9736b3267c6997ad8d347e476db44ada1857ad9118444ca8b7e03f307", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling smallvec v0.4.5
[INFO] [stderr]    Compiling backtrace-sys v0.1.35
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling socket2 v0.3.12
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling backtrace v0.3.46
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling dns-lookup v1.0.1
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling sha2 v0.8.1
[INFO] [stderr]    Compiling ferris-says v0.1.2
[INFO] [stderr]    Compiling bc-crawl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/main.rs:599:19
[INFO] [stdout]     |
[INFO] [stdout] 588 | /     loop {
[INFO] [stdout] 589 | |         let new_peer: String = address_channel_receiver.recv().unwrap();
[INFO] [stdout] 590 | |         if is_waiting(new_peer.clone()){
[INFO] [stdout] 591 | |             connecting_start_channel_sender.send(new_peer).unwrap();
[INFO] [stdout] ...   |
[INFO] [stdout] 595 | |         }
[INFO] [stdout] 596 | |     }
[INFO] [stdout]     | |_____- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 599 |       for thread in thread_handlers {
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `UNIT_8_END`
[INFO] [stdout]   --> src/main.rs:79:1
[INFO] [stdout]    |
[INFO] [stdout] 79 | const UNIT_8_END: usize = 2;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.71s
[INFO] running `Command { std: "docker" "inspect" "06d9b2a9736b3267c6997ad8d347e476db44ada1857ad9118444ca8b7e03f307", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06d9b2a9736b3267c6997ad8d347e476db44ada1857ad9118444ca8b7e03f307", kill_on_drop: false }`
[INFO] [stdout] 06d9b2a9736b3267c6997ad8d347e476db44ada1857ad9118444ca8b7e03f307
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ac36ea51bad5ec991402ed8eff953ef6a0fbfbce4b58b6628e3d8ed10b1e6e8
[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" "2ac36ea51bad5ec991402ed8eff953ef6a0fbfbce4b58b6628e3d8ed10b1e6e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling bc-crawl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/main.rs:599:19
[INFO] [stdout]     |
[INFO] [stdout] 588 | /     loop {
[INFO] [stdout] 589 | |         let new_peer: String = address_channel_receiver.recv().unwrap();
[INFO] [stdout] 590 | |         if is_waiting(new_peer.clone()){
[INFO] [stdout] 591 | |             connecting_start_channel_sender.send(new_peer).unwrap();
[INFO] [stdout] ...   |
[INFO] [stdout] 595 | |         }
[INFO] [stdout] 596 | |     }
[INFO] [stdout]     | |_____- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 599 |       for thread in thread_handlers {
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `UNIT_8_END`
[INFO] [stdout]   --> src/main.rs:79:1
[INFO] [stdout]    |
[INFO] [stdout] 79 | const UNIT_8_END: usize = 2;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.05s
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2ac36ea51bad5ec991402ed8eff953ef6a0fbfbce4b58b6628e3d8ed10b1e6e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ac36ea51bad5ec991402ed8eff953ef6a0fbfbce4b58b6628e3d8ed10b1e6e8", kill_on_drop: false }`
[INFO] [stdout] 2ac36ea51bad5ec991402ed8eff953ef6a0fbfbce4b58b6628e3d8ed10b1e6e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 61fe9607771ee666c1675c81ff87de978796fcc16191cc21242402088881d2fc
[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" "61fe9607771ee666c1675c81ff87de978796fcc16191cc21242402088881d2fc", kill_on_drop: false }`
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/main.rs:599:19
[INFO] [stderr]     |
[INFO] [stderr] 588 | /     loop {
[INFO] [stderr] 589 | |         let new_peer: String = address_channel_receiver.recv().unwrap();
[INFO] [stderr] 590 | |         if is_waiting(new_peer.clone()){
[INFO] [stderr] 591 | |             connecting_start_channel_sender.send(new_peer).unwrap();
[INFO] [stderr] ...   |
[INFO] [stderr] 595 | |         }
[INFO] [stderr] 596 | |     }
[INFO] [stderr]     | |_____- any code following this expression is unreachable
[INFO] [stderr] ...
[INFO] [stderr] 599 |       for thread in thread_handlers {
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `UNIT_8_END`
[INFO] [stderr]   --> src/main.rs:79:1
[INFO] [stderr]    |
[INFO] [stderr] 79 | const UNIT_8_END: usize = 2;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/bc_crawl-701253dd14a89184
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "61fe9607771ee666c1675c81ff87de978796fcc16191cc21242402088881d2fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61fe9607771ee666c1675c81ff87de978796fcc16191cc21242402088881d2fc", kill_on_drop: false }`
[INFO] [stdout] 61fe9607771ee666c1675c81ff87de978796fcc16191cc21242402088881d2fc