[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] building FabioSeixas/compress-tool-rs against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [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] validating manifest of git repo https://github.com/FabioSeixas/compress-tool-rs on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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] 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ad09508c166948aad670cc5fe41be1326a7882c7aaf8dd85a91fd4074a1cfd20 [INFO] running `Command { std: "docker" "start" "-a" "ad09508c166948aad670cc5fe41be1326a7882c7aaf8dd85a91fd4074a1cfd20", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ad09508c166948aad670cc5fe41be1326a7882c7aaf8dd85a91fd4074a1cfd20", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ad09508c166948aad670cc5fe41be1326a7882c7aaf8dd85a91fd4074a1cfd20", kill_on_drop: false }` [INFO] [stdout] ad09508c166948aad670cc5fe41be1326a7882c7aaf8dd85a91fd4074a1cfd20 [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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9b8a41c0d6d671bd07d6d03d70286cbe6287753477ee948c83af595839bd552c [INFO] running `Command { std: "docker" "start" "-a" "9b8a41c0d6d671bd07d6d03d70286cbe6287753477ee948c83af595839bd552c", kill_on_drop: false }` [INFO] [stderr] Compiling once_cell v1.19.0 [INFO] [stderr] Compiling 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)]` 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)]` 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 is discouraged [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)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static is discouraged [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 is discouraged [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] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.39s [INFO] running `Command { std: "docker" "inspect" "9b8a41c0d6d671bd07d6d03d70286cbe6287753477ee948c83af595839bd552c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9b8a41c0d6d671bd07d6d03d70286cbe6287753477ee948c83af595839bd552c", kill_on_drop: false }` [INFO] [stdout] 9b8a41c0d6d671bd07d6d03d70286cbe6287753477ee948c83af595839bd552c [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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9f571aa182f006e0230e1ccc6812e4af82912399abdd46ae237567e01955c23d [INFO] running `Command { std: "docker" "start" "-a" "9f571aa182f006e0230e1ccc6812e4af82912399abdd46ae237567e01955c23d", kill_on_drop: false }` [INFO] [stderr] Compiling 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)]` 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)]` 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 is discouraged [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)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static is discouraged [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 is discouraged [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] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.15s [INFO] running `Command { std: "docker" "inspect" "9f571aa182f006e0230e1ccc6812e4af82912399abdd46ae237567e01955c23d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9f571aa182f006e0230e1ccc6812e4af82912399abdd46ae237567e01955c23d", kill_on_drop: false }` [INFO] [stdout] 9f571aa182f006e0230e1ccc6812e4af82912399abdd46ae237567e01955c23d