[INFO] cloning repository https://github.com/yasuabe/57-exercises-in-Rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yasuabe/57-exercises-in-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyasuabe%2F57-exercises-in-Rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyasuabe%2F57-exercises-in-Rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6d881ef4ea93202bb400274cd1bdd41069e8c8e6 [INFO] checking yasuabe/57-exercises-in-Rust against master#61cc47e367d7be91e13bcd01e4e96e0e233d4f6d for 2025-12-16-next-solver-global [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyasuabe%2F57-exercises-in-Rust" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/yasuabe/57-exercises-in-Rust [INFO] finished tweaking git repo https://github.com/yasuabe/57-exercises-in-Rust [INFO] tweaked toml for git repo https://github.com/yasuabe/57-exercises-in-Rust written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/yasuabe/57-exercises-in-Rust on toolchain 61cc47e367d7be91e13bcd01e4e96e0e233d4f6d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/yasuabe/57-exercises-in-Rust 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" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rustc_version_runtime v0.3.0 [INFO] [stderr] Downloaded mongodb-internal-macros v3.2.3 [INFO] [stderr] Downloaded bson v2.14.0 [INFO] [stderr] Downloaded mongodb v3.2.3 [INFO] [stderr] Downloaded redis v0.29.5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b67ec76c636be1b57a1dfbd529f55b377d8a1d1988ed12fdd3f755c3ee0e05c8 [INFO] running `Command { std: "docker" "start" "-a" "b67ec76c636be1b57a1dfbd529f55b377d8a1d1988ed12fdd3f755c3ee0e05c8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b67ec76c636be1b57a1dfbd529f55b377d8a1d1988ed12fdd3f755c3ee0e05c8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b67ec76c636be1b57a1dfbd529f55b377d8a1d1988ed12fdd3f755c3ee0e05c8", kill_on_drop: false }` [INFO] [stdout] b67ec76c636be1b57a1dfbd529f55b377d8a1d1988ed12fdd3f755c3ee0e05c8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5ffc13f39d5db43d6af21e912b3153eb7c6c3536386d1483030f02af8b0a3b0d [INFO] running `Command { std: "docker" "start" "-a" "5ffc13f39d5db43d6af21e912b3153eb7c6c3536386d1483030f02af8b0a3b0d", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.171 [INFO] [stderr] Checking smallvec v1.15.0 [INFO] [stderr] Checking bitflags v2.9.0 [INFO] [stderr] Compiling syn v2.0.100 [INFO] [stderr] Compiling rustix v0.38.44 [INFO] [stderr] Checking linux-raw-sys v0.4.15 [INFO] [stderr] Compiling winnow v0.7.6 [INFO] [stderr] Compiling toml_datetime v0.6.8 [INFO] [stderr] Checking libloading v0.8.6 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Checking foldhash v0.1.5 [INFO] [stderr] Checking dlib v0.5.2 [INFO] [stderr] Checking hashbrown v0.15.2 [INFO] [stderr] Checking digest v0.10.7 [INFO] [stderr] Compiling wayland-sys v0.31.6 [INFO] [stderr] Checking event-listener v5.4.0 [INFO] [stderr] Compiling jobserver v0.1.33 [INFO] [stderr] Checking arrayvec v0.7.6 [INFO] [stderr] Compiling icu_locid_transform_data v1.5.1 [INFO] [stderr] Checking litemap 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v0.9.1 [INFO] [stderr] Checking serde_with v3.12.0 [INFO] [stderr] Checking humansize v2.1.3 [INFO] [stderr] Checking actix-http v3.10.0 [INFO] [stderr] Compiling pest_derive v2.8.0 [INFO] [stderr] Compiling actix-web-codegen v4.3.0 [INFO] [stderr] Checking actix-server v2.5.1 [INFO] [stderr] Compiling clap_derive v4.5.32 [INFO] [stderr] Checking futures-executor v0.3.31 [INFO] [stderr] Compiling derive-where v1.2.7 [INFO] [stderr] Compiling actix-macros v0.2.4 [INFO] [stderr] Checking rand_xorshift v0.3.0 [INFO] [stderr] Checking sha2 v0.10.8 [INFO] [stderr] Checking sha-1 v0.10.1 [INFO] [stderr] Checking md-5 v0.10.6 [INFO] [stderr] Checking pbkdf2 v0.11.0 [INFO] [stderr] Checking hmac v0.12.1 [INFO] [stderr] Checking combine v4.6.7 [INFO] [stderr] Checking take_mut v0.2.2 [INFO] [stderr] Checking impl-more v0.1.9 [INFO] [stderr] Checking unarray v0.1.4 [INFO] [stderr] Compiling typed-builder v0.10.0 [INFO] [stderr] Checking sha1_smol v1.0.1 [INFO] [stderr] Checking tera v1.20.0 [INFO] [stderr] Checking proptest v1.6.0 [INFO] [stderr] Checking eframe v0.31.1 [INFO] [stderr] Checking reqwest v0.12.15 [INFO] [stderr] Checking actix-web v4.10.2 [INFO] [stderr] Checking itertools v0.14.0 [INFO] [stderr] Checking clap v4.5.36 [INFO] [stderr] Checking mongodb v3.2.3 [INFO] [stderr] Checking redis v0.29.5 [INFO] [stderr] Checking exercises_for_programmer v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/ex36/main.rs:91:13 [INFO] [stdout] | [INFO] [stdout] 91 | let mut numbers = vec![100.0, 200.0, 1000.0, 300.0]; [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/ex53/main.rs:40:23 [INFO] [stdout] | [INFO] [stdout] 40 | fn parse_input(input: &str) -> Command { [INFO] [stdout] | ^^^^ ^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 40 | fn parse_input(input: &str) -> Command<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/ex53/main.rs:40:23 [INFO] [stdout] | [INFO] [stdout] 40 | fn parse_input(input: &str) -> Command { [INFO] [stdout] | ^^^^ ^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 40 | fn parse_input(input: &str) -> Command<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5m 42s [INFO] running `Command { std: "docker" "inspect" "5ffc13f39d5db43d6af21e912b3153eb7c6c3536386d1483030f02af8b0a3b0d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5ffc13f39d5db43d6af21e912b3153eb7c6c3536386d1483030f02af8b0a3b0d", kill_on_drop: false }` [INFO] [stdout] 5ffc13f39d5db43d6af21e912b3153eb7c6c3536386d1483030f02af8b0a3b0d