[INFO] fetching crate usi 0.4.0...
[INFO] testing usi-0.4.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate usi 0.4.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate usi 0.4.0 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 crates.io crate usi 0.4.0
[INFO] finished tweaking crates.io crate usi 0.4.0
[INFO] tweaked toml for crates.io crate usi 0.4.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 5756ad40c201d77d73497f6c31935f817a59eec770a581d82f5b76e5a3fe8cd0
[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" "5756ad40c201d77d73497f6c31935f817a59eec770a581d82f5b76e5a3fe8cd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5756ad40c201d77d73497f6c31935f817a59eec770a581d82f5b76e5a3fe8cd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5756ad40c201d77d73497f6c31935f817a59eec770a581d82f5b76e5a3fe8cd0", kill_on_drop: false }`
[INFO] [stdout] 5756ad40c201d77d73497f6c31935f817a59eec770a581d82f5b76e5a3fe8cd0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 4bd780472fc5a94cbd94646689f79a48a2cbf2bd6b4735fcb251de071ed5da6b
[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" "4bd780472fc5a94cbd94646689f79a48a2cbf2bd6b4735fcb251de071ed5da6b", kill_on_drop: false }`
[INFO] [stderr]    Compiling usi v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `Command { std: "docker" "inspect" "4bd780472fc5a94cbd94646689f79a48a2cbf2bd6b4735fcb251de071ed5da6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bd780472fc5a94cbd94646689f79a48a2cbf2bd6b4735fcb251de071ed5da6b", kill_on_drop: false }`
[INFO] [stdout] 4bd780472fc5a94cbd94646689f79a48a2cbf2bd6b4735fcb251de071ed5da6b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] [stdout] a0a65f9a1dc326169f52f5eea99ec8eda313611999874295feb4c5b2399e0b4a
[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" "a0a65f9a1dc326169f52f5eea99ec8eda313611999874295feb4c5b2399e0b4a", kill_on_drop: false }`
[INFO] [stderr]    Compiling usi v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "a0a65f9a1dc326169f52f5eea99ec8eda313611999874295feb4c5b2399e0b4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0a65f9a1dc326169f52f5eea99ec8eda313611999874295feb4c5b2399e0b4a", kill_on_drop: false }`
[INFO] [stdout] a0a65f9a1dc326169f52f5eea99ec8eda313611999874295feb4c5b2399e0b4a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] [stdout] e37601c56189530c5ffaf1a5ce32ad96c8df355f69a866aab49b7304063d78c9
[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" "e37601c56189530c5ffaf1a5ce32ad96c8df355f69a866aab49b7304063d78c9", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test gui::tests::to_string ... ok
[INFO] [stdout] test engine::command::tests::parse ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/usi-58e9ff4eb8c73254
[INFO] [stderr]    Doc-tests usi
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/engine/command.rs - engine::command::EngineCommand (line 94) ... ok
[INFO] [stdout] test src/gui.rs - gui::GuiCommand (line 133) ... ok
[INFO] [stdout] test src/lib.rs - (line 8) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.22s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e37601c56189530c5ffaf1a5ce32ad96c8df355f69a866aab49b7304063d78c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e37601c56189530c5ffaf1a5ce32ad96c8df355f69a866aab49b7304063d78c9", kill_on_drop: false }`
[INFO] [stdout] e37601c56189530c5ffaf1a5ce32ad96c8df355f69a866aab49b7304063d78c9