[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] fixing FabioSeixas/compress-tool-rs against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=end=2015,2024 for pr-157817-2
[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 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "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" "+622891a4e29178280638a6b63a8908bde2c0c854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 2759c91af59b9843184a43382c4ca4eaf39f2aff6f9f0967d73c7133fb368d62
[INFO] running `Command { std: "docker" "start" "2759c91af59b9843184a43382c4ca4eaf39f2aff6f9f0967d73c7133fb368d62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "2759c91af59b9843184a43382c4ca4eaf39f2aff6f9f0967d73c7133fb368d62" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2759c91af59b9843184a43382c4ca4eaf39f2aff6f9f0967d73c7133fb368d62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "2759c91af59b9843184a43382c4ca4eaf39f2aff6f9f0967d73c7133fb368d62" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=end=2015,2024", kill_on_drop: false }`
[INFO] [stderr] crater-edition-check: migrating to next edition
[INFO] [stderr]    Migrating Cargo.toml from 2021 edition to 2024
[INFO] [stderr]     Checking compress-tool v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Migrating src/main.rs from 2021 edition to 2024
[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: 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: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: `--force-warn static-mut-refs` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout] help: this type already provides "interior mutability", so its binding doesn't need to be declared as mutable
[INFO] [stdout]    |
[INFO] [stdout]  8 - static mut CHARS_COUNT: OnceCell<CharsMap> = OnceCell::new();
[INFO] [stdout]  8 + static CHARS_COUNT: OnceCell<CharsMap> = OnceCell::new();
[INFO] [stdout]    |
[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: 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: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] help: this type already provides "interior mutability", so its binding doesn't need to be declared as mutable
[INFO] [stdout]    |
[INFO] [stdout]  8 - static mut CHARS_COUNT: OnceCell<CharsMap> = OnceCell::new();
[INFO] [stdout]  8 + static CHARS_COUNT: OnceCell<CharsMap> = OnceCell::new();
[INFO] [stdout]    |
[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: 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]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] help: this type already provides "interior mutability", so its binding doesn't need to be declared as mutable
[INFO] [stdout]    |
[INFO] [stdout]  8 - static mut CHARS_COUNT: OnceCell<CharsMap> = OnceCell::new();
[INFO] [stdout]  8 + static CHARS_COUNT: OnceCell<CharsMap> = OnceCell::new();
[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: 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: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: `--force-warn static-mut-refs` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout] help: this type already provides "interior mutability", so its binding doesn't need to be declared as mutable
[INFO] [stdout]    |
[INFO] [stdout]  8 - static mut CHARS_COUNT: OnceCell<CharsMap> = OnceCell::new();
[INFO] [stdout]  8 + static CHARS_COUNT: OnceCell<CharsMap> = OnceCell::new();
[INFO] [stdout]    |
[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: 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: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] help: this type already provides "interior mutability", so its binding doesn't need to be declared as mutable
[INFO] [stdout]    |
[INFO] [stdout]  8 - static mut CHARS_COUNT: OnceCell<CharsMap> = OnceCell::new();
[INFO] [stdout]  8 + static CHARS_COUNT: OnceCell<CharsMap> = OnceCell::new();
[INFO] [stdout]    |
[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: 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]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] help: this type already provides "interior mutability", so its binding doesn't need to be declared as mutable
[INFO] [stdout]    |
[INFO] [stdout]  8 - static mut CHARS_COUNT: OnceCell<CharsMap> = OnceCell::new();
[INFO] [stdout]  8 + static CHARS_COUNT: OnceCell<CharsMap> = OnceCell::new();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] [stderr] crater-edition-check: compress-tool v0.1.0 (/opt/rustwide/workdir) updating edition from 2021 to 2024
[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: 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] error: 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: 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: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: `#[deny(static_mut_refs)]` (part of `#[deny(rust_2024_compatibility)]`) on by default
[INFO] [stdout] help: this type already provides "interior mutability", so its binding doesn't need to be declared as mutable
[INFO] [stdout]    |
[INFO] [stdout]  8 - static mut CHARS_COUNT: OnceCell<CharsMap> = OnceCell::new();
[INFO] [stdout]  8 + static CHARS_COUNT: OnceCell<CharsMap> = OnceCell::new();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: 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: 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: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] help: this type already provides "interior mutability", so its binding doesn't need to be declared as mutable
[INFO] [stdout]    |
[INFO] [stdout]  8 - static mut CHARS_COUNT: OnceCell<CharsMap> = OnceCell::new();
[INFO] [stdout]  8 + static CHARS_COUNT: OnceCell<CharsMap> = OnceCell::new();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: 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: 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]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] help: this type already provides "interior mutability", so its binding doesn't need to be declared as mutable
[INFO] [stdout]    |
[INFO] [stdout]  8 - static mut CHARS_COUNT: OnceCell<CharsMap> = OnceCell::new();
[INFO] [stdout]  8 + static CHARS_COUNT: OnceCell<CharsMap> = OnceCell::new();
[INFO] [stdout]    |
[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] [stderr] error: could not compile `compress-tool` (bin "compress-tool") due to 3 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `compress-tool` (bin "compress-tool" test) due to 3 previous errors; 3 warnings emitted
[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] error: 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: 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: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: `#[deny(static_mut_refs)]` (part of `#[deny(rust_2024_compatibility)]`) on by default
[INFO] [stdout] help: this type already provides "interior mutability", so its binding doesn't need to be declared as mutable
[INFO] [stdout]    |
[INFO] [stdout]  8 - static mut CHARS_COUNT: OnceCell<CharsMap> = OnceCell::new();
[INFO] [stdout]  8 + static CHARS_COUNT: OnceCell<CharsMap> = OnceCell::new();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: 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: 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: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] help: this type already provides "interior mutability", so its binding doesn't need to be declared as mutable
[INFO] [stdout]    |
[INFO] [stdout]  8 - static mut CHARS_COUNT: OnceCell<CharsMap> = OnceCell::new();
[INFO] [stdout]  8 + static CHARS_COUNT: OnceCell<CharsMap> = OnceCell::new();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: 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: 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]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] help: this type already provides "interior mutability", so its binding doesn't need to be declared as mutable
[INFO] [stdout]    |
[INFO] [stdout]  8 - static mut CHARS_COUNT: OnceCell<CharsMap> = OnceCell::new();
[INFO] [stdout]  8 + static CHARS_COUNT: OnceCell<CharsMap> = OnceCell::new();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2759c91af59b9843184a43382c4ca4eaf39f2aff6f9f0967d73c7133fb368d62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2759c91af59b9843184a43382c4ca4eaf39f2aff6f9f0967d73c7133fb368d62", kill_on_drop: false }`
[INFO] [stdout] 2759c91af59b9843184a43382c4ca4eaf39f2aff6f9f0967d73c7133fb368d62
