[INFO] fetching crate checkdigit 0.1.0...
[INFO] testing checkdigit-0.1.0 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate checkdigit 0.1.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate checkdigit 0.1.0 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8346cec0f9959fb3c20ba20861a106f0dddfe96abe1a0ce005ac96db59bf5c62
[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" "8346cec0f9959fb3c20ba20861a106f0dddfe96abe1a0ce005ac96db59bf5c62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8346cec0f9959fb3c20ba20861a106f0dddfe96abe1a0ce005ac96db59bf5c62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8346cec0f9959fb3c20ba20861a106f0dddfe96abe1a0ce005ac96db59bf5c62", kill_on_drop: false }`
[INFO] [stdout] 8346cec0f9959fb3c20ba20861a106f0dddfe96abe1a0ce005ac96db59bf5c62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 10cac1ed495e2012d080a61f9290b17ffde65ff407d37450c2e249df34fb844a
[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" "10cac1ed495e2012d080a61f9290b17ffde65ff407d37450c2e249df34fb844a", kill_on_drop: false }`
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling checkdigit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.51s
[INFO] running `Command { std: "docker" "inspect" "10cac1ed495e2012d080a61f9290b17ffde65ff407d37450c2e249df34fb844a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10cac1ed495e2012d080a61f9290b17ffde65ff407d37450c2e249df34fb844a", kill_on_drop: false }`
[INFO] [stdout] 10cac1ed495e2012d080a61f9290b17ffde65ff407d37450c2e249df34fb844a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--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] ca1da26ac3f2eb6ecd58822f2097cc074e7e290db2bc9838b10c3c71818c0f62
[INFO] running `Command { std: "docker" "start" "-a" "ca1da26ac3f2eb6ecd58822f2097cc074e7e290db2bc9838b10c3c71818c0f62", 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 3.00s
[INFO] running `Command { std: "docker" "inspect" "ca1da26ac3f2eb6ecd58822f2097cc074e7e290db2bc9838b10c3c71818c0f62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca1da26ac3f2eb6ecd58822f2097cc074e7e290db2bc9838b10c3c71818c0f62", kill_on_drop: false }`
[INFO] [stdout] ca1da26ac3f2eb6ecd58822f2097cc074e7e290db2bc9838b10c3c71818c0f62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d87b380c5dd7a9fd2d7b8cd41820a6ca78f37537cf4697879d66e64511d20c1c
[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" "d87b380c5dd7a9fd2d7b8cd41820a6ca78f37537cf4697879d66e64511d20c1c", 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] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/checkdigit-aeaa804b9c7b7024)
[INFO] [stdout] running 12 tests
[INFO] [stdout] test util::charmap::tests::convert_chars ... ok
[INFO] [stdout] test util::charmap::tests::convert_nums ... ok
[INFO] [stdout] test util::charmap::tests::convert_chars_lossy ... ok
[INFO] [stdout] test util::tests::build_protected_apend ... ok
[INFO] [stdout] test util::charmap::tests::with_numset ... ok
[INFO] [stdout] test util::charmap::tests::from_str ... 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::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::from_str_duplicate - should panic ... ok
[INFO] [stdout] test util::charmap::tests::with_numset_different_lengths - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running tests/ref_luhn.rs (/opt/rustwide/target/debug/deps/ref_luhn-7f26e9d7fb527773)
[INFO] [stdout] test test_ref_luhn ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests checkdigit
[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" "d87b380c5dd7a9fd2d7b8cd41820a6ca78f37537cf4697879d66e64511d20c1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d87b380c5dd7a9fd2d7b8cd41820a6ca78f37537cf4697879d66e64511d20c1c", kill_on_drop: false }`
[INFO] [stdout] d87b380c5dd7a9fd2d7b8cd41820a6ca78f37537cf4697879d66e64511d20c1c