[INFO] cloning repository https://github.com/maxi0604/cachecache
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/maxi0604/cachecache" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaxi0604%2Fcachecache", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaxi0604%2Fcachecache'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f9256331b044357d85fb00a54af6aa8cce5c17ff
[INFO] checking maxi0604/cachecache 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%2Fmaxi0604%2Fcachecache" "/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/maxi0604/cachecache
[INFO] finished tweaking git repo https://github.com/maxi0604/cachecache
[INFO] tweaked toml for git repo https://github.com/maxi0604/cachecache written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/maxi0604/cachecache 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/maxi0604/cachecache 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-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] ddc856fbbc889bcbbb51a2a38efc6304f257ce16a244d7cd3cc9efcb3e2390a6
[INFO] running `Command { std: "docker" "start" "-a" "ddc856fbbc889bcbbb51a2a38efc6304f257ce16a244d7cd3cc9efcb3e2390a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ddc856fbbc889bcbbb51a2a38efc6304f257ce16a244d7cd3cc9efcb3e2390a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddc856fbbc889bcbbb51a2a38efc6304f257ce16a244d7cd3cc9efcb3e2390a6", kill_on_drop: false }`
[INFO] [stdout] ddc856fbbc889bcbbb51a2a38efc6304f257ce16a244d7cd3cc9efcb3e2390a6
[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] b08477e016a0ebb3c8fd8ff30cd32753e8c038eb66c6b0c29139e0641e2ecf69
[INFO] running `Command { std: "docker" "start" "-a" "b08477e016a0ebb3c8fd8ff30cd32753e8c038eb66c6b0c29139e0641e2ecf69", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]    Compiling winnow v0.5.15
[INFO] [stderr]    Compiling target-lexicon v0.12.11
[INFO] [stderr]    Compiling smallvec v1.11.0
[INFO] [stderr]    Compiling version-compare v0.1.1
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling syn v2.0.31
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling thiserror v1.0.48
[INFO] [stderr]     Checking futures-channel v0.3.28
[INFO] [stderr]     Checking memchr v2.6.3
[INFO] [stderr]    Compiling semver v1.0.18
[INFO] [stderr]    Compiling gio v0.17.10
[INFO] [stderr]    Compiling cfg-expr v0.15.4
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling field-offset v0.3.6
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling serde_spanned v0.6.3
[INFO] [stderr]    Compiling toml_datetime v0.6.3
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling thiserror-impl v1.0.48
[INFO] [stderr]    Compiling toml v0.7.7
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling system-deps v6.1.1
[INFO] [stderr]    Compiling glib-macros v0.17.10
[INFO] [stderr]    Compiling gtk4-macros v0.6.6
[INFO] [stderr]     Checking futures-executor v0.3.28
[INFO] [stderr]    Compiling glib-sys v0.17.10
[INFO] [stderr]    Compiling gobject-sys v0.17.10
[INFO] [stderr]    Compiling gio-sys v0.17.10
[INFO] [stderr]    Compiling cairo-sys-rs v0.17.10
[INFO] [stderr]    Compiling pango-sys v0.17.10
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.17.10
[INFO] [stderr]    Compiling gdk4-sys v0.6.3
[INFO] [stderr]    Compiling graphene-sys v0.17.10
[INFO] [stderr]    Compiling gsk4-sys v0.6.3
[INFO] [stderr]    Compiling gtk4-sys v0.6.3
[INFO] [stderr]    Compiling libadwaita-sys v0.4.4
[INFO] [stderr]     Checking glib v0.17.10
[INFO] [stderr]     Checking cairo-rs v0.17.10
[INFO] [stderr]     Checking graphene-rs v0.17.10
[INFO] [stderr]     Checking gdk-pixbuf v0.17.10
[INFO] [stderr]     Checking pango v0.17.10
[INFO] [stderr]     Checking gdk4 v0.6.3
[INFO] [stderr]     Checking gsk4 v0.6.3
[INFO] [stderr]     Checking gtk4 v0.6.6
[INFO] [stderr]     Checking libadwaita v0.4.4
[INFO] [stderr]     Checking cachecache v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `InvalidArgumentsError` is never constructed
[INFO] [stdout]   --> src/sim.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub struct InvalidArgumentsError;
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u64, Infallible>
[INFO] [stdout]   --> src/main.rs:28:57
[INFO] [stdout]    |
[INFO] [stdout] 28 |             println!("{}", sim::format_cache_line(line, (i as u64 / cache.n_sets()).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<i32, Infallible>
[INFO] [stdout]    --> src/main.rs:179:47
[INFO] [stdout]     |
[INFO] [stdout] 179 |                         let line_index: i32 = (i as i32).try_into().unwrap();
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u64, Infallible>
[INFO] [stdout]    --> src/main.rs:181:39
[INFO] [stdout]     |
[INFO] [stdout] 181 |                         let li: u64 = (line_index as u64 / cache.n_sets()).try_into().unwrap();
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cachecache` (bin "cachecache") due to 3 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: struct `InvalidArgumentsError` is never constructed
[INFO] [stdout]   --> src/sim.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub struct InvalidArgumentsError;
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u64, Infallible>
[INFO] [stdout]   --> src/main.rs:28:57
[INFO] [stdout]    |
[INFO] [stdout] 28 |             println!("{}", sim::format_cache_line(line, (i as u64 / cache.n_sets()).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<i32, Infallible>
[INFO] [stdout]    --> src/main.rs:179:47
[INFO] [stdout]     |
[INFO] [stdout] 179 |                         let line_index: i32 = (i as i32).try_into().unwrap();
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u64, Infallible>
[INFO] [stdout]    --> src/main.rs:181:39
[INFO] [stdout]     |
[INFO] [stdout] 181 |                         let li: u64 = (line_index as u64 / cache.n_sets()).try_into().unwrap();
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cachecache` (bin "cachecache" test) due to 3 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "b08477e016a0ebb3c8fd8ff30cd32753e8c038eb66c6b0c29139e0641e2ecf69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b08477e016a0ebb3c8fd8ff30cd32753e8c038eb66c6b0c29139e0641e2ecf69", kill_on_drop: false }`
[INFO] [stdout] b08477e016a0ebb3c8fd8ff30cd32753e8c038eb66c6b0c29139e0641e2ecf69