[INFO] cloning repository https://github.com/gnawinganimal/flashcards
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gnawinganimal/flashcards" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgnawinganimal%2Fflashcards", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgnawinganimal%2Fflashcards'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5d9a1dea92182f976ceb5ebdd9ab413ca1216722
[INFO] testing gnawinganimal/flashcards against try#c066bf6804adc55193b71afdff6a56922f4a8689+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_in_2025-retry-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgnawinganimal%2Fflashcards" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/gnawinganimal/flashcards
[INFO] finished tweaking git repo https://github.com/gnawinganimal/flashcards
[INFO] tweaked toml for git repo https://github.com/gnawinganimal/flashcards written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/gnawinganimal/flashcards on toolchain c066bf6804adc55193b71afdff6a56922f4a8689
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c066bf6804adc55193b71afdff6a56922f4a8689" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/gnawinganimal/flashcards 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" "+c066bf6804adc55193b71afdff6a56922f4a8689" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+c066bf6804adc55193b71afdff6a56922f4a8689" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 97b8fa37432cf7df20a076be070fc633127bcd1bf4b177742f19bf31ff6aef0d
[INFO] running `Command { std: "docker" "start" "-a" "97b8fa37432cf7df20a076be070fc633127bcd1bf4b177742f19bf31ff6aef0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97b8fa37432cf7df20a076be070fc633127bcd1bf4b177742f19bf31ff6aef0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97b8fa37432cf7df20a076be070fc633127bcd1bf4b177742f19bf31ff6aef0d", kill_on_drop: false }`
[INFO] [stdout] 97b8fa37432cf7df20a076be070fc633127bcd1bf4b177742f19bf31ff6aef0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+c066bf6804adc55193b71afdff6a56922f4a8689" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] c951614afebc9ea5e1b57733a8102d5e581b103ebbaeaaa27a76c9d556f2bcc3
[INFO] running `Command { std: "docker" "start" "-a" "c951614afebc9ea5e1b57733a8102d5e581b103ebbaeaaa27a76c9d556f2bcc3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling flashcards v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `btree_map::Iter`
[INFO] [stdout]  --> src/session.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{btree_map::Iter, HashMap};
[INFO] [stdout]   |                        ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `schema::Kind`
[INFO] [stdout]  --> src/session.rs:4:38
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::{deck::Deck, card::Value, schema::Kind};
[INFO] [stdout]   |                                      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.60s
[INFO] running `Command { std: "docker" "inspect" "c951614afebc9ea5e1b57733a8102d5e581b103ebbaeaaa27a76c9d556f2bcc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c951614afebc9ea5e1b57733a8102d5e581b103ebbaeaaa27a76c9d556f2bcc3", kill_on_drop: false }`
[INFO] [stdout] c951614afebc9ea5e1b57733a8102d5e581b103ebbaeaaa27a76c9d556f2bcc3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+c066bf6804adc55193b71afdff6a56922f4a8689" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] eb700a5e5645b7cad870e4f0d24ea8fb6528202212ad9f143353163aee59b3ca
[INFO] running `Command { std: "docker" "start" "-a" "eb700a5e5645b7cad870e4f0d24ea8fb6528202212ad9f143353163aee59b3ca", kill_on_drop: false }`
[INFO] [stderr]    Compiling flashcards v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `btree_map::Iter`
[INFO] [stdout]  --> src/session.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{btree_map::Iter, HashMap};
[INFO] [stdout]   |                        ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `schema::Kind`
[INFO] [stdout]  --> src/session.rs:4:38
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::{deck::Deck, card::Value, schema::Kind};
[INFO] [stdout]   |                                      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "eb700a5e5645b7cad870e4f0d24ea8fb6528202212ad9f143353163aee59b3ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb700a5e5645b7cad870e4f0d24ea8fb6528202212ad9f143353163aee59b3ca", kill_on_drop: false }`
[INFO] [stdout] eb700a5e5645b7cad870e4f0d24ea8fb6528202212ad9f143353163aee59b3ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+c066bf6804adc55193b71afdff6a56922f4a8689" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 8d8ba1caeefd740271cc084104724d56eb5743df7259c0c6c140000a4d95b446
[INFO] running `Command { std: "docker" "start" "-a" "8d8ba1caeefd740271cc084104724d56eb5743df7259c0c6c140000a4d95b446", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `btree_map::Iter`
[INFO] [stderr]  --> src/session.rs:1:24
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections::{btree_map::Iter, HashMap};
[INFO] [stderr]   |                        ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `schema::Kind`
[INFO] [stderr]  --> src/session.rs:4:38
[INFO] [stderr]   |
[INFO] [stderr] 4 | use crate::{deck::Deck, card::Value, schema::Kind};
[INFO] [stderr]   |                                      ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `flashcards` (bin "flashcards" test) generated 2 warnings (run `cargo fix --bin "flashcards" --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/flashcards-9be1eeb5b7dc2222)
[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" "8d8ba1caeefd740271cc084104724d56eb5743df7259c0c6c140000a4d95b446", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d8ba1caeefd740271cc084104724d56eb5743df7259c0c6c140000a4d95b446", kill_on_drop: false }`
[INFO] [stdout] 8d8ba1caeefd740271cc084104724d56eb5743df7259c0c6c140000a4d95b446