[INFO] fetching crate checkdigit 0.1.0...
[INFO] testing checkdigit-0.1.0 against beta-2022-04-10 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 beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d4855237800e3fb9b1b46e998aaf0d22d6d5bfefa7b08cf55a22fcbc2825f95b
[INFO] running `Command { std: "docker" "start" "-a" "d4855237800e3fb9b1b46e998aaf0d22d6d5bfefa7b08cf55a22fcbc2825f95b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d4855237800e3fb9b1b46e998aaf0d22d6d5bfefa7b08cf55a22fcbc2825f95b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4855237800e3fb9b1b46e998aaf0d22d6d5bfefa7b08cf55a22fcbc2825f95b", kill_on_drop: false }`
[INFO] [stdout] d4855237800e3fb9b1b46e998aaf0d22d6d5bfefa7b08cf55a22fcbc2825f95b
[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" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab5b265f89f549b398208d8b2da66e59368324c8868ce24ebcad84b6924ebcde
[INFO] running `Command { std: "docker" "start" "-a" "ab5b265f89f549b398208d8b2da66e59368324c8868ce24ebcad84b6924ebcde", 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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.75s
[INFO] running `Command { std: "docker" "inspect" "ab5b265f89f549b398208d8b2da66e59368324c8868ce24ebcad84b6924ebcde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab5b265f89f549b398208d8b2da66e59368324c8868ce24ebcad84b6924ebcde", kill_on_drop: false }`
[INFO] [stdout] ab5b265f89f549b398208d8b2da66e59368324c8868ce24ebcad84b6924ebcde
[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" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 147edfaf1284dcc1f813a1a80135b2a901f08f17e6fee131846c90b285fd50f1
[INFO] running `Command { std: "docker" "start" "-a" "147edfaf1284dcc1f813a1a80135b2a901f08f17e6fee131846c90b285fd50f1", kill_on_drop: false }`
[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 1.33s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/checkdigit-412f6d06a9042673)
[INFO] [stderr]   Executable tests/ref_luhn.rs (/opt/rustwide/target/debug/deps/ref_luhn-2886024830e1b4c2)
[INFO] running `Command { std: "docker" "inspect" "147edfaf1284dcc1f813a1a80135b2a901f08f17e6fee131846c90b285fd50f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "147edfaf1284dcc1f813a1a80135b2a901f08f17e6fee131846c90b285fd50f1", kill_on_drop: false }`
[INFO] [stdout] 147edfaf1284dcc1f813a1a80135b2a901f08f17e6fee131846c90b285fd50f1
[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" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a4637f51cb9ed27e2d5ea021ec2eb3ec68247e981a3e2c905daecb188f5d7a94
[INFO] running `Command { std: "docker" "start" "-a" "a4637f51cb9ed27e2d5ea021ec2eb3ec68247e981a3e2c905daecb188f5d7a94", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 2.26s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/checkdigit-412f6d06a9042673)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test util::charmap::tests::convert_chars_lossy ... ok
[INFO] [stdout] test util::charmap::tests::convert_nums ... ok
[INFO] [stdout] test util::charmap::tests::from_str ... ok
[INFO] [stdout] test util::tests::build_protected_apend ... ok
[INFO] [stdout] test util::charmap::tests::convert_chars ... ok
[INFO] [stdout] test util::tests::split_protected_tail_n ... ok
[INFO] [stdout] test util::charmap::tests::with_numset ... ok
[INFO] [stdout] test util::charmap::tests::with_numset_different_lengths - should panic ... ok
[INFO] [stdout] test util::charmap::tests::from_str_duplicate - 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] test util::charmap::tests::convert_nums_unknown - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/ref_luhn.rs (/opt/rustwide/target/debug/deps/ref_luhn-2886024830e1b4c2)
[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 0.10s
[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" "a4637f51cb9ed27e2d5ea021ec2eb3ec68247e981a3e2c905daecb188f5d7a94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4637f51cb9ed27e2d5ea021ec2eb3ec68247e981a3e2c905daecb188f5d7a94", kill_on_drop: false }`
[INFO] [stdout] a4637f51cb9ed27e2d5ea021ec2eb3ec68247e981a3e2c905daecb188f5d7a94