[INFO] cloning repository https://github.com/Random767/rust-task-manager
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Random767/rust-task-manager" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRandom767%2Frust-task-manager", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRandom767%2Frust-task-manager'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c085914e613b8a005e24568f6d770778723d2367
[INFO] checking Random767/rust-task-manager 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%2FRandom767%2Frust-task-manager" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Random767/rust-task-manager
[INFO] finished tweaking git repo https://github.com/Random767/rust-task-manager
[INFO] tweaked toml for git repo https://github.com/Random767/rust-task-manager written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Random767/rust-task-manager 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/Random767/rust-task-manager 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 23 packages to latest compatible versions
[INFO] [stderr]       Adding anstream v0.6.20 (available: v0.6.21)
[INFO] [stderr]       Adding anstyle v1.0.13
[INFO] [stderr]       Adding anstyle-parse v0.2.7
[INFO] [stderr]       Adding anstyle-query v1.1.4
[INFO] [stderr]       Adding anstyle-wincon v3.0.10
[INFO] [stderr]       Adding clap v4.5.51
[INFO] [stderr]       Adding clap_builder v4.5.51
[INFO] [stderr]       Adding clap_lex v0.7.6
[INFO] [stderr]       Adding colorchoice v1.0.4
[INFO] [stderr]       Adding is_terminal_polyfill v1.70.2
[INFO] [stderr]       Adding once_cell_polyfill v1.70.2
[INFO] [stderr]       Adding strsim v0.11.1
[INFO] [stderr]       Adding windows-link v0.2.1
[INFO] [stderr]       Adding windows-sys v0.60.2
[INFO] [stderr]       Adding windows-targets v0.53.5
[INFO] [stderr]       Adding windows_aarch64_gnullvm v0.53.1
[INFO] [stderr]       Adding windows_aarch64_msvc v0.53.1
[INFO] [stderr]       Adding windows_i686_gnu v0.53.1
[INFO] [stderr]       Adding windows_i686_gnullvm v0.53.1
[INFO] [stderr]       Adding windows_i686_msvc v0.53.1
[INFO] [stderr]       Adding windows_x86_64_gnu v0.53.1
[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.53.1
[INFO] [stderr]       Adding windows_x86_64_msvc v0.53.1
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 2d860453726857c0a5b95153c8a2a0fabcf053d071a894e02fb8a0412524f355
[INFO] running `Command { std: "docker" "start" "-a" "2d860453726857c0a5b95153c8a2a0fabcf053d071a894e02fb8a0412524f355", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d860453726857c0a5b95153c8a2a0fabcf053d071a894e02fb8a0412524f355", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d860453726857c0a5b95153c8a2a0fabcf053d071a894e02fb8a0412524f355", kill_on_drop: false }`
[INFO] [stdout] 2d860453726857c0a5b95153c8a2a0fabcf053d071a894e02fb8a0412524f355
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 90651dc6ccd8aa68d37dc0baa2d2de13a6efaf258d2286ae4829c3baecae5e5d
[INFO] running `Command { std: "docker" "start" "-a" "90651dc6ccd8aa68d37dc0baa2d2de13a6efaf258d2286ae4829c3baecae5e5d", kill_on_drop: false }`
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]    Compiling rustix v0.38.31
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking bitflags v2.4.2
[INFO] [stderr]     Checking smallvec v1.13.1
[INFO] [stderr]     Checking linux-raw-sys v0.4.13
[INFO] [stderr]     Checking anstyle v1.0.13
[INFO] [stderr]     Checking is_terminal_polyfill v1.70.2
[INFO] [stderr]     Checking clap_lex v0.7.6
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking home v0.5.9
[INFO] [stderr]     Checking unicode-segmentation v1.11.0
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking anstyle-parse v0.2.7
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]     Checking anstream v0.6.20
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]     Checking clap_builder v4.5.51
[INFO] [stderr]     Checking nix v0.27.1
[INFO] [stderr]     Checking fd-lock v4.0.2
[INFO] [stderr]     Checking clap v4.5.51
[INFO] [stderr]     Checking rustyline v13.0.0
[INFO] [stderr]     Checking todolist v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<&str, Infallible>
[INFO] [stdout]   --> src/main.rs:99:35
[INFO] [stdout]    |
[INFO] [stdout] 99 |     let index = find_index(tasks, args.try_into().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 `todolist` (bin "todolist" test) due to 3 previous errors
[INFO] [stdout] error: this type will no longer be must used: Result<&str, Infallible>
[INFO] [stdout]    --> src/main.rs:114:35
[INFO] [stdout]     |
[INFO] [stdout] 114 |     let index = find_index(tasks, args.try_into().unwrap());
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<&str, Infallible>
[INFO] [stdout]    --> src/main.rs:129:35
[INFO] [stdout]     |
[INFO] [stdout] 129 |     let index = find_index(tasks, args.try_into().unwrap());
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&str, Infallible>
[INFO] [stdout]   --> src/main.rs:99:35
[INFO] [stdout]    |
[INFO] [stdout] 99 |     let index = find_index(tasks, args.try_into().unwrap());
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&str, Infallible>
[INFO] [stdout]    --> src/main.rs:114:35
[INFO] [stdout]     |
[INFO] [stdout] 114 |     let index = find_index(tasks, args.try_into().unwrap());
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&str, Infallible>
[INFO] [stdout]    --> src/main.rs:129:35
[INFO] [stdout]     |
[INFO] [stdout] 129 |     let index = find_index(tasks, args.try_into().unwrap());
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `todolist` (bin "todolist") due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "90651dc6ccd8aa68d37dc0baa2d2de13a6efaf258d2286ae4829c3baecae5e5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90651dc6ccd8aa68d37dc0baa2d2de13a6efaf258d2286ae4829c3baecae5e5d", kill_on_drop: false }`
[INFO] [stdout] 90651dc6ccd8aa68d37dc0baa2d2de13a6efaf258d2286ae4829c3baecae5e5d