[INFO] cloning repository https://github.com/haze/lightspeed
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/haze/lightspeed" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhaze%2Flightspeed", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhaze%2Flightspeed'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 83f47a66b4ec84140d8bc60b36181aadfb14515f
[INFO] testing haze/lightspeed against 1.63.0 for beta-1.64-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhaze%2Flightspeed" "/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/haze/lightspeed on toolchain 1.63.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.63.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/haze/lightspeed
[INFO] finished tweaking git repo https://github.com/haze/lightspeed
[INFO] tweaked toml for git repo https://github.com/haze/lightspeed written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/haze/lightspeed already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.63.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/haze/dawn.git`
[INFO] [stderr]     Updating git repository `https://github.com/snapview/tokio-tungstenite.git`
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[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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+1.63.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ec23e10836b3e48fab5d6dea399ba47a941ad2cf7ce86d78bc009362bdc7810a
[INFO] running `Command { std: "docker" "start" "-a" "ec23e10836b3e48fab5d6dea399ba47a941ad2cf7ce86d78bc009362bdc7810a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec23e10836b3e48fab5d6dea399ba47a941ad2cf7ce86d78bc009362bdc7810a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec23e10836b3e48fab5d6dea399ba47a941ad2cf7ce86d78bc009362bdc7810a", kill_on_drop: false }`
[INFO] [stdout] ec23e10836b3e48fab5d6dea399ba47a941ad2cf7ce86d78bc009362bdc7810a
[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" "RUSTDOCFLAGS=--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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+1.63.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2defa765f963ecbc3945e01b70a799aa3357013bcf3b72118ae1638c07b98ba3
[INFO] running `Command { std: "docker" "start" "-a" "2defa765f963ecbc3945e01b70a799aa3357013bcf3b72118ae1638c07b98ba3", kill_on_drop: false }`
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[INFO] [stderr]    Compiling sluice v0.5.2
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[INFO] [stderr]    Compiling serde_json v1.0.48
[INFO] [stderr]    Compiling futures v0.3.4
[INFO] [stderr]    Compiling dawn-model v0.1.0 (https://github.com/haze/dawn.git?branch=master#3c0d0d27)
[INFO] [stderr]    Compiling http-client v1.1.1
[INFO] [stderr]    Compiling surf v2.0.0-alpha.0
[INFO] [stderr]    Compiling hyper v0.13.3
[INFO] [stderr]    Compiling hyper-tls v0.4.1
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[INFO] [stderr]    Compiling dawn-cache-trait v0.1.0 (https://github.com/haze/dawn.git?branch=master#3c0d0d27)
[INFO] [stderr]    Compiling dawn-http v0.1.0 (https://github.com/haze/dawn.git?branch=master#3c0d0d27)
[INFO] [stderr]    Compiling dawn-gateway v0.1.0 (https://github.com/haze/dawn.git?branch=master#3c0d0d27)
[INFO] [stderr]    Compiling dawn-cache-inmemory v0.1.0 (https://github.com/haze/dawn.git?branch=master#3c0d0d27)
[INFO] [stderr]    Compiling dawn-cache v0.1.0 (https://github.com/haze/dawn.git?branch=master#3c0d0d27)
[INFO] [stderr]    Compiling dawn v0.1.0 (https://github.com/haze/dawn.git?branch=master#3c0d0d27)
[INFO] [stderr]    Compiling leptess v0.8.1
[INFO] [stderr]    Compiling lightspeed v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Arc`, `Mutex`
[INFO] [stdout]  --> src/main.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | use async_std::sync::{Arc, Mutex};
[INFO] [stdout]   |                       ^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `MutexError` is never constructed
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | enum LightspeedError {
[INFO] [stdout]    |      --------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 14 |     MutexError,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]    = note: `LightspeedError` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 25s
[INFO] running `Command { std: "docker" "inspect" "2defa765f963ecbc3945e01b70a799aa3357013bcf3b72118ae1638c07b98ba3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2defa765f963ecbc3945e01b70a799aa3357013bcf3b72118ae1638c07b98ba3", kill_on_drop: false }`
[INFO] [stdout] 2defa765f963ecbc3945e01b70a799aa3357013bcf3b72118ae1638c07b98ba3
[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" "RUSTDOCFLAGS=--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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+1.63.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d889f5bbb26b2f7f6eafdce178a438dcb7516ef440caf678cdaae48bf9143335
[INFO] running `Command { std: "docker" "start" "-a" "d889f5bbb26b2f7f6eafdce178a438dcb7516ef440caf678cdaae48bf9143335", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling lightspeed v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Arc`, `Mutex`
[INFO] [stdout]  --> src/main.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | use async_std::sync::{Arc, Mutex};
[INFO] [stdout]   |                       ^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `MutexError` is never constructed
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | enum LightspeedError {
[INFO] [stdout]    |      --------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 14 |     MutexError,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]    = note: `LightspeedError` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.32s
[INFO] running `Command { std: "docker" "inspect" "d889f5bbb26b2f7f6eafdce178a438dcb7516ef440caf678cdaae48bf9143335", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d889f5bbb26b2f7f6eafdce178a438dcb7516ef440caf678cdaae48bf9143335", kill_on_drop: false }`
[INFO] [stdout] d889f5bbb26b2f7f6eafdce178a438dcb7516ef440caf678cdaae48bf9143335
[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" "RUSTDOCFLAGS=--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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+1.63.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1862fcc41c3a9c201a45ec178d67211d8c15530b9f2f3c9d2d031cc8e6ea0373
[INFO] running `Command { std: "docker" "start" "-a" "1862fcc41c3a9c201a45ec178d67211d8c15530b9f2f3c9d2d031cc8e6ea0373", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused imports: `Arc`, `Mutex`
[INFO] [stderr]  --> src/main.rs:1:23
[INFO] [stderr]   |
[INFO] [stderr] 1 | use async_std::sync::{Arc, Mutex};
[INFO] [stderr]   |                       ^^^  ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `MutexError` is never constructed
[INFO] [stderr]   --> src/main.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | enum LightspeedError {
[INFO] [stderr]    |      --------------- variant in this enum
[INFO] [stderr] ...
[INFO] [stderr] 14 |     MutexError,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr]    = note: `LightspeedError` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `lightspeed` (bin "lightspeed" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/lightspeed-2879421871c07117)
[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" "1862fcc41c3a9c201a45ec178d67211d8c15530b9f2f3c9d2d031cc8e6ea0373", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1862fcc41c3a9c201a45ec178d67211d8c15530b9f2f3c9d2d031cc8e6ea0373", kill_on_drop: false }`
[INFO] [stdout] 1862fcc41c3a9c201a45ec178d67211d8c15530b9f2f3c9d2d031cc8e6ea0373