[INFO] cloning repository https://github.com/Cherrett/DFA-Learning-Toolkit-Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Cherrett/DFA-Learning-Toolkit-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCherrett%2FDFA-Learning-Toolkit-Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCherrett%2FDFA-Learning-Toolkit-Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 64adeb8a5ee1ca4204a6a6512330db54f9e1ea7c
[INFO] testing Cherrett/DFA-Learning-Toolkit-Rust against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCherrett%2FDFA-Learning-Toolkit-Rust" "/workspace/builds/worker-18/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-18/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Cherrett/DFA-Learning-Toolkit-Rust 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 git repo https://github.com/Cherrett/DFA-Learning-Toolkit-Rust
[INFO] finished tweaking git repo https://github.com/Cherrett/DFA-Learning-Toolkit-Rust
[INFO] tweaked toml for git repo https://github.com/Cherrett/DFA-Learning-Toolkit-Rust written to /workspace/builds/worker-18/source/Cargo.toml
[INFO] crate git repo https://github.com/Cherrett/DFA-Learning-Toolkit-Rust 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 tabwriter v1.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] 5c70809969101001b4d2be85bc49ab792908ace19e03108e009dd0ec6e215bb2
[INFO] running `Command { std: "docker" "start" "-a" "5c70809969101001b4d2be85bc49ab792908ace19e03108e009dd0ec6e215bb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c70809969101001b4d2be85bc49ab792908ace19e03108e009dd0ec6e215bb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c70809969101001b4d2be85bc49ab792908ace19e03108e009dd0ec6e215bb2", kill_on_drop: false }`
[INFO] [stdout] 5c70809969101001b4d2be85bc49ab792908ace19e03108e009dd0ec6e215bb2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] 7ad6eeea16e159b7c87e57f41ca3008b018e144a64675382a212ed7e0aa0e71e
[INFO] running `Command { std: "docker" "start" "-a" "7ad6eeea16e159b7c87e57f41ca3008b018e144a64675382a212ed7e0aa0e71e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling tabwriter v1.2.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling dfa_learning_toolkit v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.93s
[INFO] running `Command { std: "docker" "inspect" "7ad6eeea16e159b7c87e57f41ca3008b018e144a64675382a212ed7e0aa0e71e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ad6eeea16e159b7c87e57f41ca3008b018e144a64675382a212ed7e0aa0e71e", kill_on_drop: false }`
[INFO] [stdout] 7ad6eeea16e159b7c87e57f41ca3008b018e144a64675382a212ed7e0aa0e71e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] bc4615c55994438a1a6969a2aa19e7b028ac1d0872d7b4950f9f2a389b989820
[INFO] running `Command { std: "docker" "start" "-a" "bc4615c55994438a1a6969a2aa19e7b028ac1d0872d7b4950f9f2a389b989820", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling dfa_learning_toolkit v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2m 44s
[INFO] running `Command { std: "docker" "inspect" "bc4615c55994438a1a6969a2aa19e7b028ac1d0872d7b4950f9f2a389b989820", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc4615c55994438a1a6969a2aa19e7b028ac1d0872d7b4950f9f2a389b989820", kill_on_drop: false }`
[INFO] [stdout] bc4615c55994438a1a6969a2aa19e7b028ac1d0872d7b4950f9f2a389b989820
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] 542813a7b481ce2b3ef64c875f92bac074e1f25a142e948dc831c9d3ff126577
[INFO] running `Command { std: "docker" "start" "-a" "542813a7b481ce2b3ef64c875f92bac074e1f25a142e948dc831c9d3ff126577", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 16.58s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/dfa_learning_toolkit-00276bdd819cedd3)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::dfa_json ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/main-bff5f1adc5d3599f)
[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 dfa_learning_toolkit
[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" "542813a7b481ce2b3ef64c875f92bac074e1f25a142e948dc831c9d3ff126577", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "542813a7b481ce2b3ef64c875f92bac074e1f25a142e948dc831c9d3ff126577", kill_on_drop: false }`
[INFO] [stdout] 542813a7b481ce2b3ef64c875f92bac074e1f25a142e948dc831c9d3ff126577