[INFO] cloning repository https://github.com/sdbondi/tower-examples
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sdbondi/tower-examples" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsdbondi%2Ftower-examples", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsdbondi%2Ftower-examples'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 05080a8e931e8b1316c5756b4bed9ccb1f4d3374
[INFO] testing sdbondi/tower-examples against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsdbondi%2Ftower-examples" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sdbondi/tower-examples on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sdbondi/tower-examples
[INFO] finished tweaking git repo https://github.com/sdbondi/tower-examples
[INFO] tweaked toml for git repo https://github.com/sdbondi/tower-examples written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/sdbondi/tower-examples already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tower-load-shed v0.1.0
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[INFO] [stderr]   Downloaded tracing-core v0.1.2
[INFO] [stderr]   Downloaded tracing v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0280574344f4f531dfe03d8344a3c3328a243f41ac82f46a2e7a252dc263430d
[INFO] running `Command { std: "docker" "start" "-a" "0280574344f4f531dfe03d8344a3c3328a243f41ac82f46a2e7a252dc263430d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0280574344f4f531dfe03d8344a3c3328a243f41ac82f46a2e7a252dc263430d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0280574344f4f531dfe03d8344a3c3328a243f41ac82f46a2e7a252dc263430d", kill_on_drop: false }`
[INFO] [stdout] 0280574344f4f531dfe03d8344a3c3328a243f41ac82f46a2e7a252dc263430d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed15c613cc8c4f95acdd8e9783c01d1864a235aa3375b56e7e21bfae852089de
[INFO] running `Command { std: "docker" "start" "-a" "ed15c613cc8c4f95acdd8e9783c01d1864a235aa3375b56e7e21bfae852089de", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling futures v0.1.28
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling autocfg v0.1.5
[INFO] [stderr]    Compiling owning_ref v0.4.0
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling tracing-core v0.1.2
[INFO] [stderr]    Compiling lock_api v0.1.5
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling tracing v0.1.3
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[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 v1.10.1
[INFO] [stderr]    Compiling tokio-executor v0.1.8
[INFO] [stderr]    Compiling tower-service v0.2.0
[INFO] [stderr]    Compiling tokio-sync v0.1.6
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling tower-layer v0.1.0
[INFO] [stderr]    Compiling tower-discover v0.1.0
[INFO] [stderr]    Compiling tokio-timer v0.2.11
[INFO] [stderr]    Compiling tokio-current-thread v0.1.6
[INFO] [stderr]    Compiling tower-load-shed v0.1.0
[INFO] [stderr]    Compiling mio v0.6.19
[INFO] [stderr]    Compiling tower-buffer v0.1.1
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling tower-retry v0.1.0
[INFO] [stderr]    Compiling tower-limit v0.1.0
[INFO] [stderr]    Compiling tower-timeout v0.1.1
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling tower-util v0.1.0
[INFO] [stderr]    Compiling tokio-threadpool v0.1.15
[INFO] [stderr]    Compiling tower v0.1.1
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling tokio-fs v0.1.6
[INFO] [stderr]    Compiling tokio-reactor v0.1.9
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling tokio-uds v0.2.5
[INFO] [stderr]    Compiling tokio-udp v0.1.3
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling tcpstream-play v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.51s
[INFO] running `Command { std: "docker" "inspect" "ed15c613cc8c4f95acdd8e9783c01d1864a235aa3375b56e7e21bfae852089de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed15c613cc8c4f95acdd8e9783c01d1864a235aa3375b56e7e21bfae852089de", kill_on_drop: false }`
[INFO] [stdout] ed15c613cc8c4f95acdd8e9783c01d1864a235aa3375b56e7e21bfae852089de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d193a43470ee1566e478b3f6d2f96c7cec235dead45bbffd40e843702f4d48f
[INFO] running `Command { std: "docker" "start" "-a" "5d193a43470ee1566e478b3f6d2f96c7cec235dead45bbffd40e843702f4d48f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling tcpstream-play v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `tokio::codec::BytesCodec`
[INFO] [stdout]  --> examples/simple_server.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use tokio::codec::BytesCodec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/simple_server.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |     let mut handler = Handler::new(socket);
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "5d193a43470ee1566e478b3f6d2f96c7cec235dead45bbffd40e843702f4d48f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d193a43470ee1566e478b3f6d2f96c7cec235dead45bbffd40e843702f4d48f", kill_on_drop: false }`
[INFO] [stdout] 5d193a43470ee1566e478b3f6d2f96c7cec235dead45bbffd40e843702f4d48f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ee9d3b29b7430b2af60b5327f5a835d05314a6af4522ecdc4d7b13f4dc441d24
[INFO] running `Command { std: "docker" "start" "-a" "ee9d3b29b7430b2af60b5327f5a835d05314a6af4522ecdc4d7b13f4dc441d24", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `tokio::codec::BytesCodec`
[INFO] [stderr]  --> examples/simple_server.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use tokio::codec::BytesCodec;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> examples/simple_server.rs:59:9
[INFO] [stderr]    |
[INFO] [stderr] 59 |     let mut handler = Handler::new(socket);
[INFO] [stderr]    |         ----^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `tcpstream-play` (example "simple_server") generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tcpstream_play-9cc5a5585f101a32)
[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" "ee9d3b29b7430b2af60b5327f5a835d05314a6af4522ecdc4d7b13f4dc441d24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee9d3b29b7430b2af60b5327f5a835d05314a6af4522ecdc4d7b13f4dc441d24", kill_on_drop: false }`
[INFO] [stdout] ee9d3b29b7430b2af60b5327f5a835d05314a6af4522ecdc4d7b13f4dc441d24