Dec 17 15:40:48.773 INFO checking sergorl/merkle_hash_tree against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252 Dec 17 15:40:48.773 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/sergorl/merkle_hash_tree:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"` Dec 17 15:40:49.368 INFO [stdout] b213e425bda5849827bbcac3dc665f9d091f523c19fcd229b15dce4a31a08d55 Dec 17 15:40:49.376 INFO running `"docker" "start" "-a" "b213e425bda5849827bbcac3dc665f9d091f523c19fcd229b15dce4a31a08d55"` Dec 17 15:40:50.760 INFO [stderr] Checking num_cpus v1.8.0 Dec 17 15:40:50.760 INFO [stderr] Checking num_cpus v0.2.13 Dec 17 15:40:50.773 INFO [stderr] Checking rust-crypto v0.2.36 Dec 17 15:40:51.192 INFO [stderr] Checking rayon-core v1.3.0 Dec 17 15:40:52.088 INFO [stderr] Checking rayon v0.9.0 Dec 17 15:40:58.243 INFO [stderr] Checking merkle_hash_tree v0.1.0 (/opt/crater/workdir) Dec 17 15:40:58.724 INFO [stderr] warning: unused variable: `num_thread` Dec 17 15:40:58.724 INFO [stderr] --> src/lib.rs:272:13 Dec 17 15:40:58.724 INFO [stderr] | Dec 17 15:40:58.724 INFO [stderr] 272 | let num_thread: usize; Dec 17 15:40:58.724 INFO [stderr] | ^^^^^^^^^^ help: consider using `_num_thread` instead Dec 17 15:40:58.724 INFO [stderr] | Dec 17 15:40:58.724 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 17 15:40:58.724 INFO [stderr] Dec 17 15:40:58.724 INFO [stderr] warning: unused variable: `num_cpus` Dec 17 15:40:58.724 INFO [stderr] --> src/lib.rs:255:78 Dec 17 15:40:58.724 INFO [stderr] | Dec 17 15:40:58.724 INFO [stderr] 255 | fn create_hash_level(hash_tree: &mut Vec>, pool: &rayon::ThreadPool, num_cpus: usize) { Dec 17 15:40:58.724 INFO [stderr] | ^^^^^^^^ help: consider using `_num_cpus` instead Dec 17 15:40:58.724 INFO [stderr] Dec 17 15:40:58.724 INFO [stderr] warning: unused variable: `num_cpus` Dec 17 15:40:58.724 INFO [stderr] --> src/lib.rs:305:5 Dec 17 15:40:58.724 INFO [stderr] | Dec 17 15:40:58.724 INFO [stderr] 305 | num_cpus: usize, Dec 17 15:40:58.724 INFO [stderr] | ^^^^^^^^ help: consider using `_num_cpus` instead Dec 17 15:40:58.724 INFO [stderr] Dec 17 15:40:58.760 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 17 15:40:58.760 INFO [stderr] --> src/lib.rs:158:9 Dec 17 15:40:58.760 INFO [stderr] | Dec 17 15:40:58.760 INFO [stderr] 158 | write!(f, "{}\n", "Tree: "); Dec 17 15:40:58.760 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 17 15:40:58.760 INFO [stderr] | Dec 17 15:40:58.760 INFO [stderr] = note: #[warn(unused_must_use)] on by default Dec 17 15:40:58.760 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 17 15:40:58.760 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 17 15:40:58.760 INFO [stderr] Dec 17 15:40:58.760 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 17 15:40:58.760 INFO [stderr] --> src/lib.rs:161:13 Dec 17 15:40:58.760 INFO [stderr] | Dec 17 15:40:58.760 INFO [stderr] 161 | write!(f, "Level {}: \n", level); Dec 17 15:40:58.760 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 17 15:40:58.760 INFO [stderr] | Dec 17 15:40:58.760 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 17 15:40:58.760 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 17 15:40:58.760 INFO [stderr] Dec 17 15:40:58.760 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 17 15:40:58.760 INFO [stderr] --> src/lib.rs:164:17 Dec 17 15:40:58.760 INFO [stderr] | Dec 17 15:40:58.760 INFO [stderr] 164 | write!(f, "hash {}: {}\n", index, to_hex_string(hash)); Dec 17 15:40:58.760 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 17 15:40:58.760 INFO [stderr] | Dec 17 15:40:58.760 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 17 15:40:58.760 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 17 15:40:58.760 INFO [stderr] Dec 17 15:40:58.760 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 17 15:40:58.760 INFO [stderr] --> src/lib.rs:170:13 Dec 17 15:40:58.760 INFO [stderr] | Dec 17 15:40:58.760 INFO [stderr] 170 | / write!( Dec 17 15:40:58.760 INFO [stderr] 171 | | f, Dec 17 15:40:58.760 INFO [stderr] 172 | | "{}\n", Dec 17 15:40:58.760 INFO [stderr] 173 | | "--------------------------------------------------------------------" Dec 17 15:40:58.760 INFO [stderr] 174 | | ); Dec 17 15:40:58.760 INFO [stderr] | |______________^ Dec 17 15:40:58.760 INFO [stderr] | Dec 17 15:40:58.760 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 17 15:40:58.760 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 17 15:40:58.760 INFO [stderr] Dec 17 15:40:58.804 INFO [stderr] warning: unused variable: `num_thread` Dec 17 15:40:58.804 INFO [stderr] --> src/lib.rs:272:13 Dec 17 15:40:58.804 INFO [stderr] | Dec 17 15:40:58.804 INFO [stderr] 272 | let num_thread: usize; Dec 17 15:40:58.804 INFO [stderr] | ^^^^^^^^^^ help: consider using `_num_thread` instead Dec 17 15:40:58.804 INFO [stderr] | Dec 17 15:40:58.804 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 17 15:40:58.804 INFO [stderr] Dec 17 15:40:58.804 INFO [stderr] warning: unused variable: `num_cpus` Dec 17 15:40:58.804 INFO [stderr] --> src/lib.rs:255:78 Dec 17 15:40:58.804 INFO [stderr] | Dec 17 15:40:58.804 INFO [stderr] 255 | fn create_hash_level(hash_tree: &mut Vec>, pool: &rayon::ThreadPool, num_cpus: usize) { Dec 17 15:40:58.805 INFO [stderr] | ^^^^^^^^ help: consider using `_num_cpus` instead Dec 17 15:40:58.805 INFO [stderr] Dec 17 15:40:58.805 INFO [stderr] warning: unused variable: `num_cpus` Dec 17 15:40:58.805 INFO [stderr] --> src/lib.rs:305:5 Dec 17 15:40:58.805 INFO [stderr] | Dec 17 15:40:58.805 INFO [stderr] 305 | num_cpus: usize, Dec 17 15:40:58.805 INFO [stderr] | ^^^^^^^^ help: consider using `_num_cpus` instead Dec 17 15:40:58.805 INFO [stderr] Dec 17 15:40:58.877 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 17 15:40:58.877 INFO [stderr] --> src/lib.rs:158:9 Dec 17 15:40:58.877 INFO [stderr] | Dec 17 15:40:58.877 INFO [stderr] 158 | write!(f, "{}\n", "Tree: "); Dec 17 15:40:58.877 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 17 15:40:58.877 INFO [stderr] | Dec 17 15:40:58.877 INFO [stderr] = note: #[warn(unused_must_use)] on by default Dec 17 15:40:58.877 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 17 15:40:58.878 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 17 15:40:58.878 INFO [stderr] Dec 17 15:40:58.878 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 17 15:40:58.878 INFO [stderr] --> src/lib.rs:161:13 Dec 17 15:40:58.878 INFO [stderr] | Dec 17 15:40:58.878 INFO [stderr] 161 | write!(f, "Level {}: \n", level); Dec 17 15:40:58.878 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 17 15:40:58.878 INFO [stderr] | Dec 17 15:40:58.878 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 17 15:40:58.878 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 17 15:40:58.878 INFO [stderr] Dec 17 15:40:58.878 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 17 15:40:58.878 INFO [stderr] --> src/lib.rs:164:17 Dec 17 15:40:58.878 INFO [stderr] | Dec 17 15:40:58.878 INFO [stderr] 164 | write!(f, "hash {}: {}\n", index, to_hex_string(hash)); Dec 17 15:40:58.878 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 17 15:40:58.878 INFO [stderr] | Dec 17 15:40:58.878 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 17 15:40:58.878 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 17 15:40:58.878 INFO [stderr] Dec 17 15:40:58.878 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 17 15:40:58.878 INFO [stderr] --> src/lib.rs:170:13 Dec 17 15:40:58.878 INFO [stderr] | Dec 17 15:40:58.878 INFO [stderr] 170 | / write!( Dec 17 15:40:58.878 INFO [stderr] 171 | | f, Dec 17 15:40:58.878 INFO [stderr] 172 | | "{}\n", Dec 17 15:40:58.878 INFO [stderr] 173 | | "--------------------------------------------------------------------" Dec 17 15:40:58.878 INFO [stderr] 174 | | ); Dec 17 15:40:58.878 INFO [stderr] | |______________^ Dec 17 15:40:58.878 INFO [stderr] | Dec 17 15:40:58.878 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 17 15:40:58.878 INFO [stderr] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) Dec 17 15:40:58.878 INFO [stderr] Dec 17 15:40:59.404 INFO [stderr] warning: unused import: `rand::Rng` Dec 17 15:40:59.404 INFO [stderr] --> benches/bench.rs:9:5 Dec 17 15:40:59.404 INFO [stderr] | Dec 17 15:40:59.404 INFO [stderr] 9 | use rand::Rng; Dec 17 15:40:59.404 INFO [stderr] | ^^^^^^^^^ Dec 17 15:40:59.404 INFO [stderr] | Dec 17 15:40:59.404 INFO [stderr] = note: #[warn(unused_imports)] on by default Dec 17 15:40:59.404 INFO [stderr] Dec 17 15:40:59.488 INFO [stderr] warning: unused import: `merkle_tree::to_hex_string` Dec 17 15:40:59.488 INFO [stderr] --> src/main.rs:6:5 Dec 17 15:40:59.488 INFO [stderr] | Dec 17 15:40:59.488 INFO [stderr] 6 | use merkle_tree::to_hex_string; Dec 17 15:40:59.488 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 17 15:40:59.488 INFO [stderr] | Dec 17 15:40:59.488 INFO [stderr] = note: #[warn(unused_imports)] on by default Dec 17 15:40:59.488 INFO [stderr] Dec 17 15:40:59.536 INFO [stderr] warning: unused variable: `start` Dec 17 15:40:59.536 INFO [stderr] --> src/main.rs:23:9 Dec 17 15:40:59.536 INFO [stderr] | Dec 17 15:40:59.536 INFO [stderr] 23 | let start = PreciseTime::now(); Dec 17 15:40:59.536 INFO [stderr] | ^^^^^ help: consider using `_start` instead Dec 17 15:40:59.536 INFO [stderr] | Dec 17 15:40:59.536 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 17 15:40:59.536 INFO [stderr] Dec 17 15:40:59.536 INFO [stderr] warning: unused variable: `end` Dec 17 15:40:59.536 INFO [stderr] --> src/main.rs:25:9 Dec 17 15:40:59.536 INFO [stderr] | Dec 17 15:40:59.536 INFO [stderr] 25 | let end = PreciseTime::now(); Dec 17 15:40:59.536 INFO [stderr] | ^^^ help: consider using `_end` instead Dec 17 15:40:59.536 INFO [stderr] Dec 17 15:40:59.538 INFO [stderr] warning: variable does not need to be mutable Dec 17 15:40:59.538 INFO [stderr] --> src/main.rs:18:9 Dec 17 15:40:59.538 INFO [stderr] | Dec 17 15:40:59.538 INFO [stderr] 18 | let mut num_block: usize = 8 * 2; Dec 17 15:40:59.538 INFO [stderr] | ----^^^^^^^^^ Dec 17 15:40:59.538 INFO [stderr] | | Dec 17 15:40:59.538 INFO [stderr] | help: remove this `mut` Dec 17 15:40:59.538 INFO [stderr] | Dec 17 15:40:59.542 INFO [stderr] = note: #[warn(unused_mut)] on by default Dec 17 15:40:59.542 INFO [stderr] Dec 17 15:40:59.542 INFO [stderr] warning: variable does not need to be mutable Dec 17 15:40:59.542 INFO [stderr] --> src/main.rs:19:9 Dec 17 15:40:59.542 INFO [stderr] | Dec 17 15:40:59.542 INFO [stderr] 19 | let mut size_block: usize = 32; Dec 17 15:40:59.542 INFO [stderr] | ----^^^^^^^^^^ Dec 17 15:40:59.542 INFO [stderr] | | Dec 17 15:40:59.542 INFO [stderr] | help: remove this `mut` Dec 17 15:40:59.542 INFO [stderr] Dec 17 15:40:59.556 INFO [stderr] warning: unused import: `crypto::digest::Digest` Dec 17 15:40:59.556 INFO [stderr] --> tests/test.rs:10:5 Dec 17 15:40:59.556 INFO [stderr] | Dec 17 15:40:59.556 INFO [stderr] 10 | use crypto::digest::Digest; Dec 17 15:40:59.556 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ Dec 17 15:40:59.556 INFO [stderr] | Dec 17 15:40:59.556 INFO [stderr] = note: #[warn(unused_imports)] on by default Dec 17 15:40:59.556 INFO [stderr] Dec 17 15:40:59.556 INFO [stderr] warning: unused import: `rand::Rng` Dec 17 15:40:59.556 INFO [stderr] --> tests/test.rs:12:5 Dec 17 15:40:59.556 INFO [stderr] | Dec 17 15:40:59.556 INFO [stderr] 12 | use rand::Rng; Dec 17 15:40:59.556 INFO [stderr] | ^^^^^^^^^ Dec 17 15:40:59.556 INFO [stderr] Dec 17 15:40:59.613 INFO [stderr] warning: unused import: `merkle_tree::to_hex_string` Dec 17 15:40:59.613 INFO [stderr] --> src/main.rs:6:5 Dec 17 15:40:59.613 INFO [stderr] | Dec 17 15:40:59.613 INFO [stderr] 6 | use merkle_tree::to_hex_string; Dec 17 15:40:59.613 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 17 15:40:59.613 INFO [stderr] | Dec 17 15:40:59.613 INFO [stderr] = note: #[warn(unused_imports)] on by default Dec 17 15:40:59.613 INFO [stderr] Dec 17 15:40:59.672 INFO [stderr] warning: unused variable: `start` Dec 17 15:40:59.672 INFO [stderr] --> src/main.rs:23:9 Dec 17 15:40:59.672 INFO [stderr] | Dec 17 15:40:59.672 INFO [stderr] 23 | let start = PreciseTime::now(); Dec 17 15:40:59.672 INFO [stderr] | ^^^^^ help: consider using `_start` instead Dec 17 15:40:59.672 INFO [stderr] | Dec 17 15:40:59.672 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 17 15:40:59.672 INFO [stderr] Dec 17 15:40:59.672 INFO [stderr] warning: unused variable: `end` Dec 17 15:40:59.672 INFO [stderr] --> src/main.rs:25:9 Dec 17 15:40:59.672 INFO [stderr] | Dec 17 15:40:59.672 INFO [stderr] 25 | let end = PreciseTime::now(); Dec 17 15:40:59.672 INFO [stderr] | ^^^ help: consider using `_end` instead Dec 17 15:40:59.672 INFO [stderr] Dec 17 15:40:59.684 INFO [stderr] warning: unused variable: `tree` Dec 17 15:40:59.684 INFO [stderr] --> tests/test.rs:66:13 Dec 17 15:40:59.684 INFO [stderr] | Dec 17 15:40:59.684 INFO [stderr] 66 | let tree = MerkleTree::new(&data, num_cpus::get()); Dec 17 15:40:59.684 INFO [stderr] | ^^^^ help: consider using `_tree` instead Dec 17 15:40:59.684 INFO [stderr] | Dec 17 15:40:59.684 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 17 15:40:59.684 INFO [stderr] Dec 17 15:40:59.684 INFO [stderr] warning: unused variable: `tree` Dec 17 15:40:59.684 INFO [stderr] --> tests/test.rs:74:13 Dec 17 15:40:59.684 INFO [stderr] | Dec 17 15:40:59.684 INFO [stderr] 74 | let tree = MerkleTree::new(&data, num_cpus::get()); Dec 17 15:40:59.684 INFO [stderr] | ^^^^ help: consider using `_tree` instead Dec 17 15:40:59.684 INFO [stderr] Dec 17 15:40:59.684 INFO [stderr] warning: unused variable: `tree` Dec 17 15:40:59.684 INFO [stderr] --> tests/test.rs:82:13 Dec 17 15:40:59.684 INFO [stderr] | Dec 17 15:40:59.684 INFO [stderr] 82 | let tree = MerkleTree::new(&data, num_cpus::get()); Dec 17 15:40:59.684 INFO [stderr] | ^^^^ help: consider using `_tree` instead Dec 17 15:40:59.684 INFO [stderr] Dec 17 15:40:59.692 INFO [stderr] warning: variable does not need to be mutable Dec 17 15:40:59.692 INFO [stderr] --> src/main.rs:18:9 Dec 17 15:40:59.692 INFO [stderr] | Dec 17 15:40:59.692 INFO [stderr] 18 | let mut num_block: usize = 8 * 2; Dec 17 15:40:59.692 INFO [stderr] | ----^^^^^^^^^ Dec 17 15:40:59.692 INFO [stderr] | | Dec 17 15:40:59.692 INFO [stderr] | help: remove this `mut` Dec 17 15:40:59.692 INFO [stderr] | Dec 17 15:40:59.692 INFO [stderr] = note: #[warn(unused_mut)] on by default Dec 17 15:40:59.692 INFO [stderr] Dec 17 15:40:59.692 INFO [stderr] warning: variable does not need to be mutable Dec 17 15:40:59.692 INFO [stderr] --> src/main.rs:19:9 Dec 17 15:40:59.692 INFO [stderr] | Dec 17 15:40:59.692 INFO [stderr] 19 | let mut size_block: usize = 32; Dec 17 15:40:59.692 INFO [stderr] | ----^^^^^^^^^^ Dec 17 15:40:59.692 INFO [stderr] | | Dec 17 15:40:59.692 INFO [stderr] | help: remove this `mut` Dec 17 15:40:59.692 INFO [stderr] Dec 17 15:40:59.822 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 9.15s Dec 17 15:41:01.232 INFO running `"docker" "inspect" "b213e425bda5849827bbcac3dc665f9d091f523c19fcd229b15dce4a31a08d55"` Dec 17 15:41:01.542 INFO running `"docker" "rm" "-f" "b213e425bda5849827bbcac3dc665f9d091f523c19fcd229b15dce4a31a08d55"` Dec 17 15:41:02.000 INFO [stdout] b213e425bda5849827bbcac3dc665f9d091f523c19fcd229b15dce4a31a08d55