[INFO] cloning repository https://github.com/Technius/tokio-chatserver-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Technius/tokio-chatserver-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTechnius%2Ftokio-chatserver-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTechnius%2Ftokio-chatserver-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3af98e84698fe09821b421e898b89180dc60b608
[INFO] testing Technius/tokio-chatserver-example against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTechnius%2Ftokio-chatserver-example" "/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/Technius/tokio-chatserver-example on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Technius/tokio-chatserver-example
[INFO] finished tweaking git repo https://github.com/Technius/tokio-chatserver-example
[INFO] tweaked toml for git repo https://github.com/Technius/tokio-chatserver-example written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Technius/tokio-chatserver-example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-io v0.1.12
[INFO] [stderr]   Downloaded rand_hc v0.1.0
[INFO] [stderr]   Downloaded tokio-trace-core v0.1.0
[INFO] [stderr]   Downloaded stable_deref_trait v1.1.1
[INFO] [stderr]   Downloaded cloudabi v0.0.3
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[INFO] [stderr]   Downloaded iovec v0.1.2
[INFO] [stderr]   Downloaded smallvec v0.6.9
[INFO] [stderr]   Downloaded tokio v0.1.19
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[INFO] [stderr]   Downloaded rand_os v0.1.3
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[INFO] [stderr]   Downloaded rand_isaac v0.1.1
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[INFO] [stderr]   Downloaded lock_api v0.1.5
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[INFO] [stderr]   Downloaded lazy_static v1.3.0
[INFO] [stderr]   Downloaded kernel32-sys v0.2.2
[INFO] [stderr]   Downloaded ws2_32-sys v0.2.1
[INFO] [stderr]   Downloaded parking_lot v0.7.1
[INFO] [stderr]   Downloaded tokio-codec v0.1.1
[INFO] [stderr]   Downloaded lazycell v1.2.1
[INFO] [stderr]   Downloaded winapi v0.2.8
[INFO] [stderr]   Downloaded mio-uds v0.6.7
[INFO] [stderr]   Downloaded crossbeam-epoch v0.7.1
[INFO] [stderr]   Downloaded crossbeam-deque v0.7.1
[INFO] [stderr]   Downloaded semver v0.9.0
[INFO] [stderr]   Downloaded scopeguard v0.3.3
[INFO] [stderr]   Downloaded rand_pcg v0.1.2
[INFO] [stderr]   Downloaded tokio-current-thread v0.1.6
[INFO] [stderr]   Downloaded tokio-executor v0.1.7
[INFO] [stderr]   Downloaded fuchsia-zircon-sys v0.3.3
[INFO] [stderr]   Downloaded cfg-if v0.1.7
[INFO] [stderr]   Downloaded rand_xorshift v0.1.1
[INFO] [stderr]   Downloaded log v0.4.6
[INFO] [stderr]   Downloaded tokio-uds v0.2.5
[INFO] [stderr]   Downloaded byteorder v1.3.1
[INFO] [stderr]   Downloaded rand_chacha v0.1.1
[INFO] [stderr]   Downloaded rand v0.6.5
[INFO] [stderr]   Downloaded parking_lot_core v0.4.0
[INFO] [stderr]   Downloaded slab v0.4.2
[INFO] [stderr]   Downloaded rustc_version v0.2.3
[INFO] [stderr]   Downloaded crossbeam-queue v0.1.2
[INFO] [stderr]   Downloaded rand_core v0.3.1
[INFO] [stderr]   Downloaded winapi-i686-pc-windows-gnu v0.4.0
[INFO] [stderr]   Downloaded tokio-udp v0.1.3
[INFO] [stderr]   Downloaded winapi v0.3.7
[INFO] [stderr]   Downloaded tokio-threadpool v0.1.14
[INFO] [stderr]   Downloaded winapi-x86_64-pc-windows-gnu v0.4.0
[INFO] [stderr]   Downloaded nodrop v0.1.13
[INFO] [stderr]   Downloaded libc v0.2.51
[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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 550900dbf1a73ee64f0a34f6524ad46c32ff0f718d3b81682840a7d6688f3f7b
[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" "550900dbf1a73ee64f0a34f6524ad46c32ff0f718d3b81682840a7d6688f3f7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "550900dbf1a73ee64f0a34f6524ad46c32ff0f718d3b81682840a7d6688f3f7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "550900dbf1a73ee64f0a34f6524ad46c32ff0f718d3b81682840a7d6688f3f7b", kill_on_drop: false }`
[INFO] [stdout] 550900dbf1a73ee64f0a34f6524ad46c32ff0f718d3b81682840a7d6688f3f7b
[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=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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff515eae7b6d69b08c163d4c8c381b67c5d1db52e377db7faf6bea5461793d26
[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" "ff515eae7b6d69b08c163d4c8c381b67c5d1db52e377db7faf6bea5461793d26", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling num_cpus v1.10.0
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling mio v0.6.16
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling tokio-threadpool v0.1.14
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling tokio-reactor v0.1.9
[INFO] [stderr]    Compiling tokio-fs v0.1.6
[INFO] [stderr]    Compiling tokio-uds v0.2.5
[INFO] [stderr]    Compiling tokio-udp v0.1.3
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling tokio v0.1.19
[INFO] [stderr]    Compiling tokio-chatserver-example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `recipient`
[INFO] [stdout]   --> src/main.rs:98:38
[INFO] [stdout]    |
[INFO] [stdout] 98 |                         if let Some((recipient, recip_sender)) = sender_opt {
[INFO] [stdout]    |                                      ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_recipient`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.42s
[INFO] running `Command { std: "docker" "inspect" "ff515eae7b6d69b08c163d4c8c381b67c5d1db52e377db7faf6bea5461793d26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff515eae7b6d69b08c163d4c8c381b67c5d1db52e377db7faf6bea5461793d26", kill_on_drop: false }`
[INFO] [stdout] ff515eae7b6d69b08c163d4c8c381b67c5d1db52e377db7faf6bea5461793d26
[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=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" "+beta-2021-01-01" "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] 07f27264dc514076ff7cd0a64f7345b85007b460a8b9d91150bcbcdc1229638c
[INFO] running `Command { std: "docker" "start" "-a" "07f27264dc514076ff7cd0a64f7345b85007b460a8b9d91150bcbcdc1229638c", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio-chatserver-example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `recipient`
[INFO] [stdout]   --> src/main.rs:98:38
[INFO] [stdout]    |
[INFO] [stdout] 98 |                         if let Some((recipient, recip_sender)) = sender_opt {
[INFO] [stdout]    |                                      ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_recipient`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.85s
[INFO] running `Command { std: "docker" "inspect" "07f27264dc514076ff7cd0a64f7345b85007b460a8b9d91150bcbcdc1229638c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07f27264dc514076ff7cd0a64f7345b85007b460a8b9d91150bcbcdc1229638c", kill_on_drop: false }`
[INFO] [stdout] 07f27264dc514076ff7cd0a64f7345b85007b460a8b9d91150bcbcdc1229638c
[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=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" "+beta-2021-01-01" "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] eb475afd6abd0c5d080700f69161881f14b2039776a40313bd37307b6f0007e2
[INFO] running `Command { std: "docker" "start" "-a" "eb475afd6abd0c5d080700f69161881f14b2039776a40313bd37307b6f0007e2", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `recipient`
[INFO] [stderr]   --> src/main.rs:98:38
[INFO] [stderr]    |
[INFO] [stderr] 98 |                         if let Some((recipient, recip_sender)) = sender_opt {
[INFO] [stderr]    |                                      ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_recipient`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tokio_chatserver_example-2fd9dade9522070f
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test commands_parse ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "eb475afd6abd0c5d080700f69161881f14b2039776a40313bd37307b6f0007e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb475afd6abd0c5d080700f69161881f14b2039776a40313bd37307b6f0007e2", kill_on_drop: false }`
[INFO] [stdout] eb475afd6abd0c5d080700f69161881f14b2039776a40313bd37307b6f0007e2