[INFO] fetching crate checkdigit 0.1.0...
[INFO] testing checkdigit-0.1.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate checkdigit 0.1.0 into /workspace/builds/worker-101/source
[INFO] validating manifest of crates.io crate checkdigit 0.1.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate checkdigit 0.1.0
[INFO] finished tweaking crates.io crate checkdigit 0.1.0
[INFO] tweaked toml for crates.io crate checkdigit 0.1.0 written to /workspace/builds/worker-101/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d256de43d5fe6d0ff354371c49b9547d05e1b7a6a3cc4dab2cc427714fa795b2
[INFO] running `Command { std: "docker" "start" "-a" "d256de43d5fe6d0ff354371c49b9547d05e1b7a6a3cc4dab2cc427714fa795b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d256de43d5fe6d0ff354371c49b9547d05e1b7a6a3cc4dab2cc427714fa795b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d256de43d5fe6d0ff354371c49b9547d05e1b7a6a3cc4dab2cc427714fa795b2", kill_on_drop: false }`
[INFO] [stdout] d256de43d5fe6d0ff354371c49b9547d05e1b7a6a3cc4dab2cc427714fa795b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8a28dd60111ffe6cbc9aa9f1d8b611b2667aa03f4c8d69501b18714210d3d32
[INFO] running `Command { std: "docker" "start" "-a" "e8a28dd60111ffe6cbc9aa9f1d8b611b2667aa03f4c8d69501b18714210d3d32", kill_on_drop: false }`
[INFO] [stderr]    Compiling checkdigit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.43s
[INFO] running `Command { std: "docker" "inspect" "e8a28dd60111ffe6cbc9aa9f1d8b611b2667aa03f4c8d69501b18714210d3d32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8a28dd60111ffe6cbc9aa9f1d8b611b2667aa03f4c8d69501b18714210d3d32", kill_on_drop: false }`
[INFO] [stdout] e8a28dd60111ffe6cbc9aa9f1d8b611b2667aa03f4c8d69501b18714210d3d32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a923a8f3a52ad53e5c846c0caffedf1b6edef4681345c4b6c7eb2727353c6ade
[INFO] running `Command { std: "docker" "start" "-a" "a923a8f3a52ad53e5c846c0caffedf1b6edef4681345c4b6c7eb2727353c6ade", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling checkdigit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `from` that must be used
[INFO] [stdout]    --> src/util/charmap.rs:130:9
[INFO] [stdout]     |
[INFO] [stdout] 130 |         CharMap::<u8>::from("0123405");
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.12s
[INFO] running `Command { std: "docker" "inspect" "a923a8f3a52ad53e5c846c0caffedf1b6edef4681345c4b6c7eb2727353c6ade", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a923a8f3a52ad53e5c846c0caffedf1b6edef4681345c4b6c7eb2727353c6ade", kill_on_drop: false }`
[INFO] [stdout] a923a8f3a52ad53e5c846c0caffedf1b6edef4681345c4b6c7eb2727353c6ade
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b577d83e95b0d10ff3f56699229988ee7d2f36bf8b39b1467474aa89c298fccd
[INFO] running `Command { std: "docker" "start" "-a" "b577d83e95b0d10ff3f56699229988ee7d2f36bf8b39b1467474aa89c298fccd", kill_on_drop: false }`
[INFO] [stderr] warning: unused return value of `from` that must be used
[INFO] [stderr]    --> src/util/charmap.rs:130:9
[INFO] [stderr]     |
[INFO] [stderr] 130 |         CharMap::<u8>::from("0123405");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `checkdigit` (lib test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/checkdigit-0a9dc46f1742c60e)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test util::charmap::tests::convert_chars_lossy ... ok
[INFO] [stdout] test util::charmap::tests::convert_chars ... ok
[INFO] [stdout] test util::charmap::tests::convert_nums ... ok
[INFO] [stdout] test util::charmap::tests::from_str ... ok
[INFO] [stdout] test util::charmap::tests::with_numset ... ok
[INFO] [stdout] test util::tests::build_protected_apend ... ok
[INFO] [stdout] test util::tests::split_protected_tail_n ... ok
[INFO] [stdout] test util::charmap::tests::convert_nums_unknown - should panic ... ok
[INFO] [stdout] test util::charmap::tests::from_str_duplicate - should panic ... ok
[INFO] [stdout] test util::charmap::tests::with_numset_different_lengths - should panic ... ok
[INFO] [stdout] test util::charmap::tests::with_numset_duplicate_char - should panic ... ok
[INFO] [stdout] test util::charmap::tests::with_numset_duplicate_num - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/ref_luhn.rs (/opt/rustwide/target/debug/deps/ref_luhn-1d48017e0f028e7b)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_ref_luhn ... ok
[INFO] [stderr]    Doc-tests checkdigit
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[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" "b577d83e95b0d10ff3f56699229988ee7d2f36bf8b39b1467474aa89c298fccd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b577d83e95b0d10ff3f56699229988ee7d2f36bf8b39b1467474aa89c298fccd", kill_on_drop: false }`
[INFO] [stdout] b577d83e95b0d10ff3f56699229988ee7d2f36bf8b39b1467474aa89c298fccd