[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 master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a 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-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/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-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/FabioSeixas/compress-tool-rs on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 79abb4e2e8c9a6c85b596aa42138915bbb7a0b94b014d4ad5d9ae09c664bc932
[INFO] running `Command { std: "docker" "start" "-a" "79abb4e2e8c9a6c85b596aa42138915bbb7a0b94b014d4ad5d9ae09c664bc932", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "79abb4e2e8c9a6c85b596aa42138915bbb7a0b94b014d4ad5d9ae09c664bc932", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79abb4e2e8c9a6c85b596aa42138915bbb7a0b94b014d4ad5d9ae09c664bc932", kill_on_drop: false }`
[INFO] [stdout] 79abb4e2e8c9a6c85b596aa42138915bbb7a0b94b014d4ad5d9ae09c664bc932
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 02a60b8d20c421f1fda01199e0e394b3439a048090a6178a7b91f0f2d101da11
[INFO] running `Command { std: "docker" "start" "-a" "02a60b8d20c421f1fda01199e0e394b3439a048090a6178a7b91f0f2d101da11", 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<SortedListType>) {
[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 <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[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 <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[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 <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[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] 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<SortedListType>) {
[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 <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[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 <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[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 <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "02a60b8d20c421f1fda01199e0e394b3439a048090a6178a7b91f0f2d101da11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02a60b8d20c421f1fda01199e0e394b3439a048090a6178a7b91f0f2d101da11", kill_on_drop: false }`
[INFO] [stdout] 02a60b8d20c421f1fda01199e0e394b3439a048090a6178a7b91f0f2d101da11
