[INFO] cloning repository https://github.com/powpow58/doing_math_in_python_exercises_in_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/powpow58/doing_math_in_python_exercises_in_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpowpow58%2Fdoing_math_in_python_exercises_in_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpowpow58%2Fdoing_math_in_python_exercises_in_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9dae087100883e90a17119e151b8feef6b9b1990
[INFO] testing powpow58/doing_math_in_python_exercises_in_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%2Fpowpow58%2Fdoing_math_in_python_exercises_in_rust" "/workspace/builds/worker-27/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-27/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/powpow58/doing_math_in_python_exercises_in_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/powpow58/doing_math_in_python_exercises_in_rust
[INFO] finished tweaking git repo https://github.com/powpow58/doing_math_in_python_exercises_in_rust
[INFO] tweaked toml for git repo https://github.com/powpow58/doing_math_in_python_exercises_in_rust written to /workspace/builds/worker-27/source/Cargo.toml
[INFO] crate git repo https://github.com/powpow58/doing_math_in_python_exercises_in_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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] 29e821defe8eaf9d7c9765d3b768ae938fd11f102b9825958d99899df1a3347e
[INFO] running `Command { std: "docker" "start" "-a" "29e821defe8eaf9d7c9765d3b768ae938fd11f102b9825958d99899df1a3347e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29e821defe8eaf9d7c9765d3b768ae938fd11f102b9825958d99899df1a3347e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29e821defe8eaf9d7c9765d3b768ae938fd11f102b9825958d99899df1a3347e", kill_on_drop: false }`
[INFO] [stdout] 29e821defe8eaf9d7c9765d3b768ae938fd11f102b9825958d99899df1a3347e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] 16320ca776223074ba3e193804df8b0f0347aa8a5276470ab18f0ec93a9fde6b
[INFO] running `Command { std: "docker" "start" "-a" "16320ca776223074ba3e193804df8b0f0347aa8a5276470ab18f0ec93a9fde6b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling libc v0.2.109
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling askama_escape v0.3.0
[INFO] [stderr]    Compiling humansize v1.1.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling ryu v1.0.6
[INFO] [stderr]    Compiling serde_json v1.0.72
[INFO] [stderr]    Compiling num-traits v0.2.14
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[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling rand_core v0.5.1
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[INFO] [stderr]    Compiling rand_distr v0.2.2
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling toml v0.5.8
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[INFO] [stderr]    Compiling askama v0.9.0
[INFO] [stderr]    Compiling plotly v0.6.0
[INFO] [stderr]    Compiling doing_math_in_python_exercises_in_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.94s
[INFO] running `Command { std: "docker" "inspect" "16320ca776223074ba3e193804df8b0f0347aa8a5276470ab18f0ec93a9fde6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16320ca776223074ba3e193804df8b0f0347aa8a5276470ab18f0ec93a9fde6b", kill_on_drop: false }`
[INFO] [stdout] 16320ca776223074ba3e193804df8b0f0347aa8a5276470ab18f0ec93a9fde6b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] 51dce69ca963c1d5bbeaf49c161912a3279027bb7b3f64dc89c427a8ae83c312
[INFO] running `Command { std: "docker" "start" "-a" "51dce69ca963c1d5bbeaf49c161912a3279027bb7b3f64dc89c427a8ae83c312", kill_on_drop: false }`
[INFO] [stderr]    Compiling doing_math_in_python_exercises_in_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "51dce69ca963c1d5bbeaf49c161912a3279027bb7b3f64dc89c427a8ae83c312", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51dce69ca963c1d5bbeaf49c161912a3279027bb7b3f64dc89c427a8ae83c312", kill_on_drop: false }`
[INFO] [stdout] 51dce69ca963c1d5bbeaf49c161912a3279027bb7b3f64dc89c427a8ae83c312
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] ad35d437b402aba28fcbbdf7ae69411ec7f77e12a8499d94dc2f7ff896e551df
[INFO] running `Command { std: "docker" "start" "-a" "ad35d437b402aba28fcbbdf7ae69411ec7f77e12a8499d94dc2f7ff896e551df", kill_on_drop: false }`
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[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/exploring_a_quadratic_function_visually-1084995a342eacb4)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/exploring_the_relationship_between_fibonacci_sequence_and_golden_ratio-a4f5fb8f1f1cc9ca)
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[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fractionc_calculator-c2b532f2d454ef2b)
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[INFO] running `Command { std: "docker" "inspect" "ad35d437b402aba28fcbbdf7ae69411ec7f77e12a8499d94dc2f7ff896e551df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad35d437b402aba28fcbbdf7ae69411ec7f77e12a8499d94dc2f7ff896e551df", kill_on_drop: false }`
[INFO] [stdout] ad35d437b402aba28fcbbdf7ae69411ec7f77e12a8499d94dc2f7ff896e551df