[INFO] cloning repository https://github.com/FabioSeixas/compress-tool-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FabioSeixas/compress-tool-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFabioSeixas%2Fcompress-tool-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFabioSeixas%2Fcompress-tool-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] fe0bd7e2fb93f47523fed35786653bc31fbf4a46 [INFO] checking FabioSeixas/compress-tool-rs 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%2FFabioSeixas%2Fcompress-tool-rs" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/FabioSeixas/compress-tool-rs [INFO] finished tweaking git repo https://github.com/FabioSeixas/compress-tool-rs [INFO] tweaked toml for git repo https://github.com/FabioSeixas/compress-tool-rs written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/FabioSeixas/compress-tool-rs 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/FabioSeixas/compress-tool-rs 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] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 3757264dfde0568cb74cb2d6ee561a37f87f86fbc68eb8c23ea4cc407eb27dff [INFO] running `Command { std: "docker" "start" "-a" "3757264dfde0568cb74cb2d6ee561a37f87f86fbc68eb8c23ea4cc407eb27dff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3757264dfde0568cb74cb2d6ee561a37f87f86fbc68eb8c23ea4cc407eb27dff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3757264dfde0568cb74cb2d6ee561a37f87f86fbc68eb8c23ea4cc407eb27dff", kill_on_drop: false }` [INFO] [stdout] 3757264dfde0568cb74cb2d6ee561a37f87f86fbc68eb8c23ea4cc407eb27dff [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] febc7c730238937179cb0d73f703ce408d3001d772358b439332a74d144921ee [INFO] running `Command { std: "docker" "start" "-a" "febc7c730238937179cb0d73f703ce408d3001d772358b439332a74d144921ee", kill_on_drop: false }` [INFO] [stderr] Checking once_cell v1.19.0 [INFO] [stderr] Checking compress-tool v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `fmt::format` [INFO] [stdout] --> src/main.rs:2:48 [INFO] [stdout] | [INFO] [stdout] 2 | use std::{cell::RefCell, collections::HashMap, fmt::format, fs::File, io::Read}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `fmt::format` [INFO] [stdout] --> src/main.rs:2:48 [INFO] [stdout] | [INFO] [stdout] 2 | use std::{cell::RefCell, collections::HashMap, fmt::format, fs::File, io::Read}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `is_leaf` is never used [INFO] [stdout] --> src/tree.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 6 | trait BaseNode { [INFO] [stdout] | -------- method in this trait [INFO] [stdout] 7 | fn is_leaf(&self) -> bool; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `print_list` is never used [INFO] [stdout] --> src/tree.rs:95:4 [INFO] [stdout] | [INFO] [stdout] 95 | fn print_list(list: &Vec) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static [INFO] [stdout] --> src/main.rs:23:13 [INFO] [stdout] | [INFO] [stdout] 23 | / CHARS_COUNT [INFO] [stdout] 24 | | .set(CharsMap::new()) [INFO] [stdout] | |_____________________________________^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static [INFO] [stdout] --> src/main.rs:29:28 [INFO] [stdout] | [INFO] [stdout] 29 | let map = unsafe { CHARS_COUNT.get().expect("error while...").map.borrow() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static [INFO] [stdout] --> src/main.rs:34:28 [INFO] [stdout] | [INFO] [stdout] 34 | let map = unsafe { CHARS_COUNT.get_mut().expect("error while...").map.get_mut() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/write_file.rs:98:45 [INFO] [stdout] | [INFO] [stdout] 98 | let index_32: u32 = index [INFO] [stdout] | _____________________________________________^ [INFO] [stdout] 99 | | .clone() [INFO] [stdout] 100 | | .try_into() [INFO] [stdout] | |_______________________________________^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `is_leaf` is never used [INFO] [stdout] --> src/tree.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 6 | trait BaseNode { [INFO] [stdout] | -------- method in this trait [INFO] [stdout] 7 | fn is_leaf(&self) -> bool; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `compress-tool` (bin "compress-tool" test) due to 1 previous error; 6 warnings emitted [INFO] [stdout] warning: function `print_list` is never used [INFO] [stdout] --> src/tree.rs:95:4 [INFO] [stdout] | [INFO] [stdout] 95 | fn print_list(list: &Vec) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: creating a shared reference to mutable static [INFO] [stdout] --> src/main.rs:23:13 [INFO] [stdout] | [INFO] [stdout] 23 | / CHARS_COUNT [INFO] [stdout] 24 | | .set(CharsMap::new()) [INFO] [stdout] | |_____________________________________^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static [INFO] [stdout] --> src/main.rs:29:28 [INFO] [stdout] | [INFO] [stdout] 29 | let map = unsafe { CHARS_COUNT.get().expect("error while...").map.borrow() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static [INFO] [stdout] --> src/main.rs:34:28 [INFO] [stdout] | [INFO] [stdout] 34 | let map = unsafe { CHARS_COUNT.get_mut().expect("error while...").map.get_mut() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/write_file.rs:98:45 [INFO] [stdout] | [INFO] [stdout] 98 | let index_32: u32 = index [INFO] [stdout] | _____________________________________________^ [INFO] [stdout] 99 | | .clone() [INFO] [stdout] 100 | | .try_into() [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 `compress-tool` (bin "compress-tool") due to 1 previous error; 6 warnings emitted [INFO] running `Command { std: "docker" "inspect" "febc7c730238937179cb0d73f703ce408d3001d772358b439332a74d144921ee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "febc7c730238937179cb0d73f703ce408d3001d772358b439332a74d144921ee", kill_on_drop: false }` [INFO] [stdout] febc7c730238937179cb0d73f703ce408d3001d772358b439332a74d144921ee