[INFO] cloning repository https://github.com/randomtwdude/tohorank
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/randomtwdude/tohorank" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frandomtwdude%2Ftohorank", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frandomtwdude%2Ftohorank'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e5805a691689c1474c980a72f2feb1ae6b3efb07
[INFO] checking randomtwdude/tohorank against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frandomtwdude%2Ftohorank" "/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/randomtwdude/tohorank
[INFO] finished tweaking git repo https://github.com/randomtwdude/tohorank
[INFO] tweaked toml for git repo https://github.com/randomtwdude/tohorank written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/randomtwdude/tohorank on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/randomtwdude/tohorank 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b73c460d52002a886bdcaa99d8ee70e628586826f1f80af66e4c291d6ddad258
[INFO] running `Command { std: "docker" "start" "-a" "b73c460d52002a886bdcaa99d8ee70e628586826f1f80af66e4c291d6ddad258", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b73c460d52002a886bdcaa99d8ee70e628586826f1f80af66e4c291d6ddad258", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b73c460d52002a886bdcaa99d8ee70e628586826f1f80af66e4c291d6ddad258", kill_on_drop: false }`
[INFO] [stdout] b73c460d52002a886bdcaa99d8ee70e628586826f1f80af66e4c291d6ddad258
[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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 24237c8b5c4b5ee55b1c4e1e4e181b52a958e8ae2ef669adb22fd62c52e7c613
[INFO] running `Command { std: "docker" "start" "-a" "24237c8b5c4b5ee55b1c4e1e4e181b52a958e8ae2ef669adb22fd62c52e7c613", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]     Checking bitflags v2.5.0
[INFO] [stderr]    Compiling rustix v0.38.32
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling rustversion v1.0.15
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking linux-raw-sys v0.4.13
[INFO] [stderr]     Checking colored v2.1.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking option-ext v0.2.0
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking unicode-segmentation v1.11.0
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]    Compiling nix v0.28.0
[INFO] [stderr]     Checking drawille v0.3.0
[INFO] [stderr]     Checking iana-time-zone v0.1.60
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking home v0.5.9
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking termplot v0.1.1
[INFO] [stderr]     Checking strum v0.26.2
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking fuzzy-matcher v0.3.7
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking chrono v0.4.38
[INFO] [stderr]     Checking getrandom v0.2.14
[INFO] [stderr]     Checking dirs-sys v0.4.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking dirs v5.0.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking fd-lock v4.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling strum_macros v0.26.2
[INFO] [stderr]     Checking rustyline v14.0.0
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking tohorank v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/main.rs:170:33
[INFO] [stdout]     |
[INFO] [stdout] 170 |                         None => String::from_str("").unwrap(),
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tohorank` (bin "tohorank") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/main.rs:170:33
[INFO] [stdout]     |
[INFO] [stdout] 170 |                         None => String::from_str("").unwrap(),
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tohorank` (bin "tohorank" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "24237c8b5c4b5ee55b1c4e1e4e181b52a958e8ae2ef669adb22fd62c52e7c613", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24237c8b5c4b5ee55b1c4e1e4e181b52a958e8ae2ef669adb22fd62c52e7c613", kill_on_drop: false }`
[INFO] [stdout] 24237c8b5c4b5ee55b1c4e1e4e181b52a958e8ae2ef669adb22fd62c52e7c613