[INFO] cloning repository https://github.com/sassman/edu-tdd-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sassman/edu-tdd-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsassman%2Fedu-tdd-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsassman%2Fedu-tdd-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b9bb52521fd80bbc1da33faa43282b2ef1b08f98
[INFO] testing sassman/edu-tdd-rust against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsassman%2Fedu-tdd-rust" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sassman/edu-tdd-rust on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sassman/edu-tdd-rust
[INFO] finished tweaking git repo https://github.com/sassman/edu-tdd-rust
[INFO] tweaked toml for git repo https://github.com/sassman/edu-tdd-rust written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/sassman/edu-tdd-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 028279d6cef48b75b69b28acd0622202f6bd9bdde8d4892e1399ee11380b1d1f
[INFO] running `Command { std: "docker" "start" "-a" "028279d6cef48b75b69b28acd0622202f6bd9bdde8d4892e1399ee11380b1d1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "028279d6cef48b75b69b28acd0622202f6bd9bdde8d4892e1399ee11380b1d1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "028279d6cef48b75b69b28acd0622202f6bd9bdde8d4892e1399ee11380b1d1f", kill_on_drop: false }`
[INFO] [stdout] 028279d6cef48b75b69b28acd0622202f6bd9bdde8d4892e1399ee11380b1d1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6387ee106d045ca7c5559ebdf80ff24566e9b103ea7c27e1a91624b91bcb809c
[INFO] running `Command { std: "docker" "start" "-a" "6387ee106d045ca7c5559ebdf80ff24566e9b103ea7c27e1a91624b91bcb809c", kill_on_drop: false }`
[INFO] [stderr]    Compiling dev_challenge_47 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.57s
[INFO] running `Command { std: "docker" "inspect" "6387ee106d045ca7c5559ebdf80ff24566e9b103ea7c27e1a91624b91bcb809c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6387ee106d045ca7c5559ebdf80ff24566e9b103ea7c27e1a91624b91bcb809c", kill_on_drop: false }`
[INFO] [stdout] 6387ee106d045ca7c5559ebdf80ff24566e9b103ea7c27e1a91624b91bcb809c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e5ccf3e0cabb1d5db07ce2da62e93099bce2c03bab47175e15d1c7130004d4b9
[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" "e5ccf3e0cabb1d5db07ce2da62e93099bce2c03bab47175e15d1c7130004d4b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling speculate v0.1.2
[INFO] [stderr]    Compiling dev_challenge_47 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 17.27s
[INFO] running `Command { std: "docker" "inspect" "e5ccf3e0cabb1d5db07ce2da62e93099bce2c03bab47175e15d1c7130004d4b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5ccf3e0cabb1d5db07ce2da62e93099bce2c03bab47175e15d1c7130004d4b9", kill_on_drop: false }`
[INFO] [stdout] e5ccf3e0cabb1d5db07ce2da62e93099bce2c03bab47175e15d1c7130004d4b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8cc1d7c92c2e4d9f04e83ad1099f41843c26b57e9653ff47ff489f8f1bdba553
[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" "8cc1d7c92c2e4d9f04e83ad1099f41843c26b57e9653ff47ff489f8f1bdba553", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/dev_challenge_47-9a8e33b25ea81071)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/alphabet_position_spec.rs (/opt/rustwide/target/debug/deps/alphabet_position_spec-482812847f4b20f2)
[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/alphabet_position_test.rs (/opt/rustwide/target/debug/deps/alphabet_position_test-b2159e9b26f63bf3)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dev_challenge_47
[INFO] [stdout] running 4 tests
[INFO] [stdout] test speculate_0::alphabet_position::test_should_ignore_non_characters ... ok
[INFO] [stdout] test speculate_0::alphabet_position::test_should_replace_the_full_test_sentence ... ok
[INFO] [stdout] test speculate_0::alphabet_position::test_should_replace_A_with_1 ... ok
[INFO] [stdout] test speculate_0::alphabet_position::test_should_replace_a_with_1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test it_should_ignore_non_characters ... ok
[INFO] [stdout] test it_should_replace_the_a_with_1 ... ok
[INFO] [stdout] test it_should_replace_the_capital_a_with_1 ... ok
[INFO] [stdout] test it_should_replace_the_sentence ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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" "8cc1d7c92c2e4d9f04e83ad1099f41843c26b57e9653ff47ff489f8f1bdba553", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cc1d7c92c2e4d9f04e83ad1099f41843c26b57e9653ff47ff489f8f1bdba553", kill_on_drop: false }`
[INFO] [stdout] 8cc1d7c92c2e4d9f04e83ad1099f41843c26b57e9653ff47ff489f8f1bdba553