[INFO] fetching crate thruster-app 0.9.0-alpha.2...
[INFO] testing thruster-app-0.9.0-alpha.2 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate thruster-app 0.9.0-alpha.2 into /workspace/builds/worker-19/source
[INFO] validating manifest of crates.io crate thruster-app 0.9.0-alpha.2 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate thruster-app 0.9.0-alpha.2
[INFO] finished tweaking crates.io crate thruster-app 0.9.0-alpha.2
[INFO] tweaked toml for crates.io crate thruster-app 0.9.0-alpha.2 written to /workspace/builds/worker-19/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b06e97375e95e260a77790b1787dc6d34ddbc4b900a043032c533952ac9be10
[INFO] running `Command { std: "docker" "start" "-a" "6b06e97375e95e260a77790b1787dc6d34ddbc4b900a043032c533952ac9be10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b06e97375e95e260a77790b1787dc6d34ddbc4b900a043032c533952ac9be10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b06e97375e95e260a77790b1787dc6d34ddbc4b900a043032c533952ac9be10", kill_on_drop: false }`
[INFO] [stdout] 6b06e97375e95e260a77790b1787dc6d34ddbc4b900a043032c533952ac9be10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2cd7138c25b7270389b0d06c9adac97b4d7c6198febc52a02771d7a803699667
[INFO] running `Command { std: "docker" "start" "-a" "2cd7138c25b7270389b0d06c9adac97b4d7c6198febc52a02771d7a803699667", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling futures-sink v0.3.17
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling pin-project-lite v0.1.12
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling thruster-core-async-await v0.9.0-alpha.2
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling templatify v0.2.3
[INFO] [stderr]    Compiling http v0.1.21
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling tokio-util v0.2.0
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling thruster-core v0.9.0-alpha.2
[INFO] [stderr]    Compiling thruster-middleware v0.9.0-alpha.2
[INFO] [stderr]    Compiling thruster-async-await v0.9.0-alpha.2
[INFO] [stderr]    Compiling futures-executor v0.3.17
[INFO] [stderr]    Compiling thruster-proc v0.9.0-alpha.2
[INFO] [stderr]    Compiling futures v0.3.17
[INFO] [stderr]    Compiling thruster-context v0.9.0-alpha.2
[INFO] [stderr]    Compiling thruster-app v0.9.0-alpha.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.00s
[INFO] running `Command { std: "docker" "inspect" "2cd7138c25b7270389b0d06c9adac97b4d7c6198febc52a02771d7a803699667", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cd7138c25b7270389b0d06c9adac97b4d7c6198febc52a02771d7a803699667", kill_on_drop: false }`
[INFO] [stdout] 2cd7138c25b7270389b0d06c9adac97b4d7c6198febc52a02771d7a803699667
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4433c68a8a2b9df53cd586e8c60cfc32bcdf8c5f28e0bd98107f6c6fe518ba32
[INFO] running `Command { std: "docker" "start" "-a" "4433c68a8a2b9df53cd586e8c60cfc32bcdf8c5f28e0bd98107f6c6fe518ba32", 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 thruster-app v0.9.0-alpha.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` 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 2.15s
[INFO] running `Command { std: "docker" "inspect" "4433c68a8a2b9df53cd586e8c60cfc32bcdf8c5f28e0bd98107f6c6fe518ba32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4433c68a8a2b9df53cd586e8c60cfc32bcdf8c5f28e0bd98107f6c6fe518ba32", kill_on_drop: false }`
[INFO] [stdout] 4433c68a8a2b9df53cd586e8c60cfc32bcdf8c5f28e0bd98107f6c6fe518ba32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 208d014bd8a8d862a2ddd2c96c0a0419d89eb98db177acf3f0a677c3bf16ab8d
[INFO] running `Command { std: "docker" "start" "-a" "208d014bd8a8d862a2ddd2c96c0a0419d89eb98db177acf3f0a677c3bf16ab8d", kill_on_drop: false }`
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/lib.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `thruster-app` (lib test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.23s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/thruster_app-5a38af5ab730e50c)
[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] [stderr]    Doc-tests thruster-app
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/app.rs - app::App (line 55) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "208d014bd8a8d862a2ddd2c96c0a0419d89eb98db177acf3f0a677c3bf16ab8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "208d014bd8a8d862a2ddd2c96c0a0419d89eb98db177acf3f0a677c3bf16ab8d", kill_on_drop: false }`
[INFO] [stdout] 208d014bd8a8d862a2ddd2c96c0a0419d89eb98db177acf3f0a677c3bf16ab8d