[INFO] fetching crate challenge-prompt 0.3.0...
[INFO] testing challenge-prompt-0.3.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate challenge-prompt 0.3.0 into /workspace/builds/worker-105/source
[INFO] validating manifest of crates.io crate challenge-prompt 0.3.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate challenge-prompt 0.3.0
[INFO] finished tweaking crates.io crate challenge-prompt 0.3.0
[INFO] tweaked toml for crates.io crate challenge-prompt 0.3.0 written to /workspace/builds/worker-105/source/Cargo.toml
[INFO] crate crates.io crate challenge-prompt 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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 float-cmp v0.9.0
[INFO] [stderr]   Downloaded argh_derive v0.1.7
[INFO] [stderr]   Downloaded argh_shared v0.1.7
[INFO] [stderr]   Downloaded argh v0.1.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1d6c39ed7f0dc10892128f7997e6e766aaf65ac55820e76e55e94bd5f8f2b361
[INFO] running `Command { std: "docker" "start" "-a" "1d6c39ed7f0dc10892128f7997e6e766aaf65ac55820e76e55e94bd5f8f2b361", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d6c39ed7f0dc10892128f7997e6e766aaf65ac55820e76e55e94bd5f8f2b361", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d6c39ed7f0dc10892128f7997e6e766aaf65ac55820e76e55e94bd5f8f2b361", kill_on_drop: false }`
[INFO] [stdout] 1d6c39ed7f0dc10892128f7997e6e766aaf65ac55820e76e55e94bd5f8f2b361
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3adcc9640aa08dd760429391509916b1f3e214129ffe57860c5d3b34a7b5be25
[INFO] running `Command { std: "docker" "start" "-a" "3adcc9640aa08dd760429391509916b1f3e214129ffe57860c5d3b34a7b5be25", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.84
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling argh_shared v0.1.7
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling argh_derive v0.1.7
[INFO] [stderr]    Compiling argh v0.1.7
[INFO] [stderr]    Compiling challenge-prompt v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.46s
[INFO] running `Command { std: "docker" "inspect" "3adcc9640aa08dd760429391509916b1f3e214129ffe57860c5d3b34a7b5be25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3adcc9640aa08dd760429391509916b1f3e214129ffe57860c5d3b34a7b5be25", kill_on_drop: false }`
[INFO] [stdout] 3adcc9640aa08dd760429391509916b1f3e214129ffe57860c5d3b34a7b5be25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 70cf0a26904536f69fc9d248bdc8b98ca270adc10e78441a1bd938f1c9d0a9b5
[INFO] running `Command { std: "docker" "start" "-a" "70cf0a26904536f69fc9d248bdc8b98ca270adc10e78441a1bd938f1c9d0a9b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling predicates-core v1.0.2
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling normalize-line-endings v0.3.0
[INFO] [stderr]    Compiling termtree v0.2.3
[INFO] [stderr]    Compiling difflib v0.4.0
[INFO] [stderr]    Compiling predicates-tree v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling float-cmp v0.9.0
[INFO] [stderr]    Compiling predicates v2.1.0
[INFO] [stderr]    Compiling assert_cmd v2.0.2
[INFO] [stderr]    Compiling challenge-prompt v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 31.03s
[INFO] running `Command { std: "docker" "inspect" "70cf0a26904536f69fc9d248bdc8b98ca270adc10e78441a1bd938f1c9d0a9b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70cf0a26904536f69fc9d248bdc8b98ca270adc10e78441a1bd938f1c9d0a9b5", kill_on_drop: false }`
[INFO] [stdout] 70cf0a26904536f69fc9d248bdc8b98ca270adc10e78441a1bd938f1c9d0a9b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e35ac2e2e7f149669228d652922d54b500602d711a9d177225490097ad2f466d
[INFO] running `Command { std: "docker" "start" "-a" "e35ac2e2e7f149669228d652922d54b500602d711a9d177225490097ad2f466d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.62s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/challenge_prompt-43c0d43d1064473a)
[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]      Running unittests (/opt/rustwide/target/debug/deps/challenge_prompt-d914f6f32446ff4c)
[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]      Running tests/cli_tests.rs (/opt/rustwide/target/debug/deps/cli_tests-3d3a6feb5d6342ad)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test retry_challenge ... ok
[INFO] [stdout] test arithmetic_challenge ... ok
[INFO] [stdout] test phrase_challenge ... ok
[INFO] [stderr]    Doc-tests challenge-prompt
[INFO] [stdout] test yes_no_challenge ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.25s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 19) ... ignored
[INFO] [stdout] test src/lib.rs - (line 32) - compile ... ok
[INFO] [stdout] test src/rng.rs - rng::Rng::u32 (line 57) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.42s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e35ac2e2e7f149669228d652922d54b500602d711a9d177225490097ad2f466d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e35ac2e2e7f149669228d652922d54b500602d711a9d177225490097ad2f466d", kill_on_drop: false }`
[INFO] [stdout] e35ac2e2e7f149669228d652922d54b500602d711a9d177225490097ad2f466d