[INFO] crate fre 0.2.0 is already in cache
[INFO] testing fre-0.2.0 against 1.38.0 for beta-1.39-1
[INFO] extracting crate fre 0.2.0 into work/builds/worker-6/source
[INFO] validating manifest of crates.io crate fre 0.2.0 on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate fre 0.2.0
[INFO] finished tweaking crates.io crate fre 0.2.0
[INFO] tweaked toml for crates.io crate fre 0.2.0 written to work/builds/worker-6/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 81583e171b2968c923a1dc6e8a8a2f2b86535ad1a67d8798959e909ff8a2513a
[INFO] running `"docker" "start" "-a" "81583e171b2968c923a1dc6e8a8a2f2b86535ad1a67d8798959e909ff8a2513a"`
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling directories v1.0.2
[INFO] [stderr]    Compiling spectral v0.6.0
[INFO] [stderr]    Compiling serde_json v1.0.41
[INFO] [stderr]    Compiling chrono v0.4.9
[INFO] [stderr]    Compiling escargot v0.3.1
[INFO] [stderr]    Compiling assert_cmd v0.10.2
[INFO] [stderr]    Compiling fre v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `Path`
[INFO] [stderr]  --> src/store/mod.rs:9:17
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::path::{Path, PathBuf};
[INFO] [stderr]   |                 ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path::PathBuf`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::path::PathBuf;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.63s
[INFO] running `"docker" "inspect" "81583e171b2968c923a1dc6e8a8a2f2b86535ad1a67d8798959e909ff8a2513a"`
[INFO] running `"docker" "rm" "-f" "81583e171b2968c923a1dc6e8a8a2f2b86535ad1a67d8798959e909ff8a2513a"`
[INFO] [stdout] 81583e171b2968c923a1dc6e8a8a2f2b86535ad1a67d8798959e909ff8a2513a
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] e0a2021363eca6761f3576aa17ab7b89f7e62ddb62888b93696138fee3942c0d
[INFO] running `"docker" "start" "-a" "e0a2021363eca6761f3576aa17ab7b89f7e62ddb62888b93696138fee3942c0d"`
[INFO] [stderr]    Compiling fre v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::path::PathBuf`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::path::PathBuf;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Path`
[INFO] [stderr]  --> src/store/mod.rs:9:17
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::path::{Path, PathBuf};
[INFO] [stderr]   |                 ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::common`
[INFO] [stderr]  --> tests/integration/flags.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use super::common;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.49s
[INFO] running `"docker" "inspect" "e0a2021363eca6761f3576aa17ab7b89f7e62ddb62888b93696138fee3942c0d"`
[INFO] running `"docker" "rm" "-f" "e0a2021363eca6761f3576aa17ab7b89f7e62ddb62888b93696138fee3942c0d"`
[INFO] [stdout] e0a2021363eca6761f3576aa17ab7b89f7e62ddb62888b93696138fee3942c0d
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] e00fc96d04c1bc30131d88b247cd628d2d6c1f1c0d83313ada9241da7a116a97
[INFO] running `"docker" "start" "-a" "e00fc96d04c1bc30131d88b247cd628d2d6c1f1c0d83313ada9241da7a116a97"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fre-1983be4ffc2d12e0
[INFO] [stdout] 
[INFO] [stdout] running 30 tests
[INFO] [stdout] test stats::tests::compare_with_enum ... ok
[INFO] [stdout] test stats::tests::compare_with_func ... ok
[INFO] [stdout] test stats::tests::get_frecency_one_half_life ... ok
[INFO] [stdout] test stats::tests::get_frecency_two_half_lives ... ok
[INFO] [stdout] test stats::tests::new_item_stats ... ok
[INFO] [stdout] test stats::tests::reset_time ... ok
[INFO] [stdout] test stats::tests::set_half_life ... ok
[INFO] [stdout] test stats::tests::secs_since_access ... ok
[INFO] [stdout] test stats::tests::to_string_no_stats ... ok
[INFO] [stdout] test stats::tests::secs_elapsed_one_second ... ok
[INFO] [stdout] test stats::tests::to_string_stats ... ok
[INFO] [stdout] test stats::tests::update_last_access ... ok
[INFO] [stdout] test store::tests::add_existing ... ok
[INFO] [stdout] test stats::tests::update_score ... ok
[INFO] [stdout] test store::tests::add_new ... ok
[INFO] [stdout] test store::tests::adjust_existing ... ok
[INFO] [stdout] test store::tests::adjust_new ... ok
[INFO] [stdout] test stats::tests::update_num_accesses ... ok
[INFO] [stdout] test args::tests::get_store_path_full ... ok
[INFO] [stdout] test args::tests::get_store_path_file ... ok
[INFO] [stdout] test store::tests::reset_time ... ok
[INFO] [stdout] test store::tests::set_halflife ... ok
[INFO] [stdout] test store::tests::get_not_exists ... ok
[INFO] [stdout] test store::tests::sorted_frecent ... ok
[INFO] [stdout] test store::tests::sorted_frecent2 ... ok
[INFO] [stdout] test store::tests::truncate_greater ... ok
[INFO] [stdout] test store::tests::sorted_frequent ... ok
[INFO] [stdout] test store::tests::truncate_less ... ok
[INFO] [stdout] test store::tests::sorted_recent ... ok
[INFO] [stdout] test store::tests::get_exists ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 30 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fre-67912c16d3244246
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lib-320b7bdd6981198d
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] test integration::errors::non_writable ... ok
[INFO] [stdout] test integration::flags::version_long ... ok
[INFO] [stdout] test integration::sort::sorted_invalid ... ok
[INFO] [stdout] test integration::sort::limit ... ok
[INFO] [stdout] test integration::sort::limit_too_many ... ok
[INFO] [stdout] test integration::flags::version_short ... ok
[INFO] [stdout] test integration::errors::invalid_store ... ok
[INFO] [stdout] test integration::sort::sorted_frecent ... ok
[INFO] [stdout] test integration::sort::sorted_recent ... ok
[INFO] [stdout] test integration::sort::sorted_frequent ... ok
[INFO] [stdout] test integration::sort::sorted_stats ... ok
[INFO] [stdout] test integration::sort::change_half_life_maintain_frecency ... ok
[INFO] [stdout] test integration::sort::change_half_life_new_decay ... ok
[INFO] [stdout] test integration::weight::add_create ... ok
[INFO] [stdout] test integration::sort::truncate ... ok
[INFO] [stdout] test integration::weight::add_existing_exists ... ok
[INFO] [stdout] test integration::weight::add_existing_increases ... ok
[INFO] [stdout] test integration::weight::decrease_accesses ... ok
[INFO] [stdout] test integration::weight::decrease_score ... ok
[INFO] [stdout] test integration::weight::increase_accesses ... ok
[INFO] [stdout] test integration::weight::increase_score ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fre
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "e00fc96d04c1bc30131d88b247cd628d2d6c1f1c0d83313ada9241da7a116a97"`
[INFO] running `"docker" "rm" "-f" "e00fc96d04c1bc30131d88b247cd628d2d6c1f1c0d83313ada9241da7a116a97"`
[INFO] [stdout] e00fc96d04c1bc30131d88b247cd628d2d6c1f1c0d83313ada9241da7a116a97