[INFO] fetching crate ace 0.2.0...
[INFO] testing ace-0.2.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate ace 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate ace 0.2.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ace 0.2.0
[INFO] finished tweaking crates.io crate ace 0.2.0
[INFO] tweaked toml for crates.io crate ace 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate ace 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1b34ebdda008a86f6074b30a8ccf846e4a0ec081813f76ecfe82f9d2c0f1849f
[INFO] running `Command { std: "docker" "start" "-a" "1b34ebdda008a86f6074b30a8ccf846e4a0ec081813f76ecfe82f9d2c0f1849f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b34ebdda008a86f6074b30a8ccf846e4a0ec081813f76ecfe82f9d2c0f1849f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b34ebdda008a86f6074b30a8ccf846e4a0ec081813f76ecfe82f9d2c0f1849f", kill_on_drop: false }`
[INFO] [stdout] 1b34ebdda008a86f6074b30a8ccf846e4a0ec081813f76ecfe82f9d2c0f1849f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 998c0ffc827da6ec9e0011798df0afec6e433f51e7594d9f4d51d658d9305979
[INFO] running `Command { std: "docker" "start" "-a" "998c0ffc827da6ec9e0011798df0afec6e433f51e7594d9f4d51d658d9305979", kill_on_drop: false }`
[INFO] [stderr]    Compiling ace v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "998c0ffc827da6ec9e0011798df0afec6e433f51e7594d9f4d51d658d9305979", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "998c0ffc827da6ec9e0011798df0afec6e433f51e7594d9f4d51d658d9305979", kill_on_drop: false }`
[INFO] [stdout] 998c0ffc827da6ec9e0011798df0afec6e433f51e7594d9f4d51d658d9305979
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] faaeba763138661a4af787661b0807874ac1cba9b54a90a7192fb49325234eb1
[INFO] running `Command { std: "docker" "start" "-a" "faaeba763138661a4af787661b0807874ac1cba9b54a90a7192fb49325234eb1", kill_on_drop: false }`
[INFO] [stderr]    Compiling ace v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.37s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/ace-3b835ea4f283c252)
[INFO] running `Command { std: "docker" "inspect" "faaeba763138661a4af787661b0807874ac1cba9b54a90a7192fb49325234eb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "faaeba763138661a4af787661b0807874ac1cba9b54a90a7192fb49325234eb1", kill_on_drop: false }`
[INFO] [stdout] faaeba763138661a4af787661b0807874ac1cba9b54a90a7192fb49325234eb1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f1e01e70d48feb6bd5a67799993c8b725ac1ed42f497c02b94586f18a0a7a34a
[INFO] running `Command { std: "docker" "start" "-a" "f1e01e70d48feb6bd5a67799993c8b725ac1ed42f497c02b94586f18a0a7a34a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ace-3b835ea4f283c252)
[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 ace
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - App (line 3) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.42s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f1e01e70d48feb6bd5a67799993c8b725ac1ed42f497c02b94586f18a0a7a34a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1e01e70d48feb6bd5a67799993c8b725ac1ed42f497c02b94586f18a0a7a34a", kill_on_drop: false }`
[INFO] [stdout] f1e01e70d48feb6bd5a67799993c8b725ac1ed42f497c02b94586f18a0a7a34a