[INFO] cloning repository https://github.com/kmfiguerrez/rust-topics
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kmfiguerrez/rust-topics" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkmfiguerrez%2Frust-topics", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkmfiguerrez%2Frust-topics'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9e0a9cb068f42679c46b8116120196753e97414b
[INFO] testing kmfiguerrez/rust-topics against try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkmfiguerrez%2Frust-topics" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kmfiguerrez/rust-topics
[INFO] finished tweaking git repo https://github.com/kmfiguerrez/rust-topics
[INFO] tweaked toml for git repo https://github.com/kmfiguerrez/rust-topics written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kmfiguerrez/rust-topics on toolchain 33835004928d3bf65db4d4712e1330766263b0bd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kmfiguerrez/rust-topics already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3ecf2ed80bf037926c99feb5bc220a1a30ecd6606ea5ffbf36a68fa5c67049a7
[INFO] running `Command { std: "docker" "start" "-a" "3ecf2ed80bf037926c99feb5bc220a1a30ecd6606ea5ffbf36a68fa5c67049a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ecf2ed80bf037926c99feb5bc220a1a30ecd6606ea5ffbf36a68fa5c67049a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ecf2ed80bf037926c99feb5bc220a1a30ecd6606ea5ffbf36a68fa5c67049a7", kill_on_drop: false }`
[INFO] [stdout] 3ecf2ed80bf037926c99feb5bc220a1a30ecd6606ea5ffbf36a68fa5c67049a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f2c2c8957a9c3a2a4dc7edcd2cd1cf59b016fd30be7e64b14655da0c7d92dc1
[INFO] running `Command { std: "docker" "start" "-a" "4f2c2c8957a9c3a2a4dc7edcd2cd1cf59b016fd30be7e64b14655da0c7d92dc1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.105
[INFO] [stderr]    Compiling quote v1.0.43
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling owo-colors v4.2.3
[INFO] [stderr]    Compiling syn v2.0.113
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling rust-topics v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: multiple lines skipped by escaped newline
[INFO] [stdout]   --> src/chapter_fifteen/fifteen_point_six.rs:78:54
[INFO] [stdout]    |
[INFO] [stdout] 78 |     other software development practices to minimize.\n\
[INFO] [stdout]    |  ______________________________________________________^
[INFO] [stdout] 79 | |
[INFO] [stdout] 80 | |   ",
[INFO] [stdout]    | |__^ skipping everything up to and including this point
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `solid_disc`
[INFO] [stdout]    --> src/chapter_thirteen/thirteen_point_two.rs:249:7
[INFO] [stdout]     |
[INFO] [stdout] 249 |   let solid_disc = "\u{2022}";
[INFO] [stdout]     |       ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_solid_disc`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `solid_disc`
[INFO] [stdout]    --> src/chapter_sixteen/sixteen_point_three.rs:165:7
[INFO] [stdout]     |
[INFO] [stdout] 165 |   let solid_disc = "\u{2022}";
[INFO] [stdout]     |       ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_solid_disc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `solid_disc`
[INFO] [stdout]    --> src/chapter_sixteen/sixteen_point_three.rs:184:7
[INFO] [stdout]     |
[INFO] [stdout] 184 |   let solid_disc = "\u{2022}";
[INFO] [stdout]     |       ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_solid_disc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.42s
[INFO] running `Command { std: "docker" "inspect" "4f2c2c8957a9c3a2a4dc7edcd2cd1cf59b016fd30be7e64b14655da0c7d92dc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f2c2c8957a9c3a2a4dc7edcd2cd1cf59b016fd30be7e64b14655da0c7d92dc1", kill_on_drop: false }`
[INFO] [stdout] 4f2c2c8957a9c3a2a4dc7edcd2cd1cf59b016fd30be7e64b14655da0c7d92dc1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c85198af1adbed0308908909aa112ba0fd58420b34b974dc865d4ac580594ef
[INFO] running `Command { std: "docker" "start" "-a" "3c85198af1adbed0308908909aa112ba0fd58420b34b974dc865d4ac580594ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-topics v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: multiple lines skipped by escaped newline
[INFO] [stdout]   --> src/chapter_fifteen/fifteen_point_six.rs:78:54
[INFO] [stdout]    |
[INFO] [stdout] 78 |     other software development practices to minimize.\n\
[INFO] [stdout]    |  ______________________________________________________^
[INFO] [stdout] 79 | |
[INFO] [stdout] 80 | |   ",
[INFO] [stdout]    | |__^ skipping everything up to and including this point
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `solid_disc`
[INFO] [stdout]    --> src/chapter_thirteen/thirteen_point_two.rs:249:7
[INFO] [stdout]     |
[INFO] [stdout] 249 |   let solid_disc = "\u{2022}";
[INFO] [stdout]     |       ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_solid_disc`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `solid_disc`
[INFO] [stdout]    --> src/chapter_sixteen/sixteen_point_three.rs:165:7
[INFO] [stdout]     |
[INFO] [stdout] 165 |   let solid_disc = "\u{2022}";
[INFO] [stdout]     |       ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_solid_disc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `solid_disc`
[INFO] [stdout]    --> src/chapter_sixteen/sixteen_point_three.rs:184:7
[INFO] [stdout]     |
[INFO] [stdout] 184 |   let solid_disc = "\u{2022}";
[INFO] [stdout]     |       ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_solid_disc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple lines skipped by escaped newline
[INFO] [stdout]   --> src/chapter_fifteen/fifteen_point_six.rs:78:54
[INFO] [stdout]    |
[INFO] [stdout] 78 |     other software development practices to minimize.\n\
[INFO] [stdout]    |  ______________________________________________________^
[INFO] [stdout] 79 | |
[INFO] [stdout] 80 | |   ",
[INFO] [stdout]    | |__^ skipping everything up to and including this point
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `solid_disc`
[INFO] [stdout]    --> src/chapter_thirteen/thirteen_point_two.rs:249:7
[INFO] [stdout]     |
[INFO] [stdout] 249 |   let solid_disc = "\u{2022}";
[INFO] [stdout]     |       ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_solid_disc`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `solid_disc`
[INFO] [stdout]    --> src/chapter_sixteen/sixteen_point_three.rs:165:7
[INFO] [stdout]     |
[INFO] [stdout] 165 |   let solid_disc = "\u{2022}";
[INFO] [stdout]     |       ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_solid_disc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `solid_disc`
[INFO] [stdout]    --> src/chapter_sixteen/sixteen_point_three.rs:184:7
[INFO] [stdout]     |
[INFO] [stdout] 184 |   let solid_disc = "\u{2022}";
[INFO] [stdout]     |       ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_solid_disc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.54s
[INFO] running `Command { std: "docker" "inspect" "3c85198af1adbed0308908909aa112ba0fd58420b34b974dc865d4ac580594ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c85198af1adbed0308908909aa112ba0fd58420b34b974dc865d4ac580594ef", kill_on_drop: false }`
[INFO] [stdout] 3c85198af1adbed0308908909aa112ba0fd58420b34b974dc865d4ac580594ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 43544022a5013433083ba89b5459b9bc39fef589282e03784456f22d6ab6b3c0
[INFO] running `Command { std: "docker" "start" "-a" "43544022a5013433083ba89b5459b9bc39fef589282e03784456f22d6ab6b3c0", kill_on_drop: false }`
[INFO] [stderr] warning: multiple lines skipped by escaped newline
[INFO] [stderr]   --> src/chapter_fifteen/fifteen_point_six.rs:78:54
[INFO] [stderr]    |
[INFO] [stderr] 78 |     other software development practices to minimize.\n\
[INFO] [stderr]    |  ______________________________________________________^
[INFO] [stderr] 79 | |
[INFO] [stderr] 80 | |   ",
[INFO] [stderr]    | |__^ skipping everything up to and including this point
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `solid_disc`
[INFO] [stderr]    --> src/chapter_thirteen/thirteen_point_two.rs:249:7
[INFO] [stderr]     |
[INFO] [stderr] 249 |   let solid_disc = "\u{2022}";
[INFO] [stderr]     |       ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_solid_disc`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `solid_disc`
[INFO] [stderr]    --> src/chapter_sixteen/sixteen_point_three.rs:165:7
[INFO] [stderr]     |
[INFO] [stderr] 165 |   let solid_disc = "\u{2022}";
[INFO] [stderr]     |       ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_solid_disc`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `solid_disc`
[INFO] [stderr]    --> src/chapter_sixteen/sixteen_point_three.rs:184:7
[INFO] [stderr]     |
[INFO] [stderr] 184 |   let solid_disc = "\u{2022}";
[INFO] [stderr]     |       ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_solid_disc`
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-topics` (lib) generated 4 warnings (run `cargo fix --lib -p rust-topics` to apply 3 suggestions)
[INFO] [stderr] warning: `rust-topics` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rust_topics-2094761e2aaabf7b)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::one_result ... ok
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_topics-23440785d7a3bec3)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 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] [stderr]    Doc-tests rust_topics
[INFO] [stderr] warning: multiple lines skipped by escaped newline
[INFO] [stderr]   --> src/chapter_fifteen/fifteen_point_six.rs:78:54
[INFO] [stderr]    |
[INFO] [stderr] 78 |     other software development practices to minimize.\n\
[INFO] [stderr]    |  ______________________________________________________^
[INFO] [stderr] 79 | |
[INFO] [stderr] 80 | |   ",
[INFO] [stderr]    | |__^ skipping everything up to and including this point
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stderr] 
[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" "43544022a5013433083ba89b5459b9bc39fef589282e03784456f22d6ab6b3c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43544022a5013433083ba89b5459b9bc39fef589282e03784456f22d6ab6b3c0", kill_on_drop: false }`
[INFO] [stdout] 43544022a5013433083ba89b5459b9bc39fef589282e03784456f22d6ab6b3c0
