[INFO] fetching crate waystone 0.1.0...
[INFO] testing waystone-0.1.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate waystone 0.1.0 into /workspace/builds/worker-55/source
[INFO] validating manifest of crates.io crate waystone 0.1.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate waystone 0.1.0
[INFO] finished tweaking crates.io crate waystone 0.1.0
[INFO] tweaked toml for crates.io crate waystone 0.1.0 written to /workspace/builds/worker-55/source/Cargo.toml
[INFO] crate crates.io crate waystone 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--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 waystone-client v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bc2562ba6ab550df5e7d8e22970d23b6955b15b2cfec7c82541b69b08f4e8b92
[INFO] running `Command { std: "docker" "start" "-a" "bc2562ba6ab550df5e7d8e22970d23b6955b15b2cfec7c82541b69b08f4e8b92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc2562ba6ab550df5e7d8e22970d23b6955b15b2cfec7c82541b69b08f4e8b92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc2562ba6ab550df5e7d8e22970d23b6955b15b2cfec7c82541b69b08f4e8b92", kill_on_drop: false }`
[INFO] [stdout] bc2562ba6ab550df5e7d8e22970d23b6955b15b2cfec7c82541b69b08f4e8b92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5cf1cbeaa623242f254ff5f91ead04ab299104ade5b788543fe7fa22b5ab705a
[INFO] running `Command { std: "docker" "start" "-a" "5cf1cbeaa623242f254ff5f91ead04ab299104ade5b788543fe7fa22b5ab705a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling waystone-client v0.1.0
[INFO] [stderr]    Compiling waystone v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `display`
[INFO] [stdout]  --> src/main.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let display = Display::connect().unwrap();
[INFO] [stdout]   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_display`
[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 1.15s
[INFO] running `Command { std: "docker" "inspect" "5cf1cbeaa623242f254ff5f91ead04ab299104ade5b788543fe7fa22b5ab705a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cf1cbeaa623242f254ff5f91ead04ab299104ade5b788543fe7fa22b5ab705a", kill_on_drop: false }`
[INFO] [stdout] 5cf1cbeaa623242f254ff5f91ead04ab299104ade5b788543fe7fa22b5ab705a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ea1e13fd812e0b218813a7598d5f6762dd97e7993e6ef17db6fe8f00dbfc374
[INFO] running `Command { std: "docker" "start" "-a" "2ea1e13fd812e0b218813a7598d5f6762dd97e7993e6ef17db6fe8f00dbfc374", kill_on_drop: false }`
[INFO] [stderr]    Compiling waystone v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `display`
[INFO] [stdout]  --> src/main.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let display = Display::connect().unwrap();
[INFO] [stdout]   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_display`
[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 0.39s
[INFO] running `Command { std: "docker" "inspect" "2ea1e13fd812e0b218813a7598d5f6762dd97e7993e6ef17db6fe8f00dbfc374", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ea1e13fd812e0b218813a7598d5f6762dd97e7993e6ef17db6fe8f00dbfc374", kill_on_drop: false }`
[INFO] [stdout] 2ea1e13fd812e0b218813a7598d5f6762dd97e7993e6ef17db6fe8f00dbfc374
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 14b56f262930570c683d220c68791ffb3c19920dfdabc3888d8f9840a859cf7a
[INFO] running `Command { std: "docker" "start" "-a" "14b56f262930570c683d220c68791ffb3c19920dfdabc3888d8f9840a859cf7a", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `display`
[INFO] [stderr]  --> src/main.rs:4:9
[INFO] [stderr]   |
[INFO] [stderr] 4 |     let display = Display::connect().unwrap();
[INFO] [stderr]   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_display`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `waystone` (bin "waystone" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/waystone-6abdeddcd09c1b18)
[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" "14b56f262930570c683d220c68791ffb3c19920dfdabc3888d8f9840a859cf7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14b56f262930570c683d220c68791ffb3c19920dfdabc3888d8f9840a859cf7a", kill_on_drop: false }`
[INFO] [stdout] 14b56f262930570c683d220c68791ffb3c19920dfdabc3888d8f9840a859cf7a