[INFO] updating cached repository https://github.com/bencelaszlo/randoom
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ee40e5642f5a4b94183176744d855c0b8150b647
[INFO] testing bencelaszlo/randoom against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbencelaszlo%2Frandoom" "work/builds/worker-3/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bencelaszlo/randoom 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 git repo https://github.com/bencelaszlo/randoom
[INFO] finished tweaking git repo https://github.com/bencelaszlo/randoom
[INFO] tweaked toml for git repo https://github.com/bencelaszlo/randoom written to work/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/bencelaszlo/randoom already has a lockfile, it will not be regenerated
[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-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/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] 248acc314905b4a84c5f37a3273aae2372c9dbb592ef5e716871d4fdcfed5f52
[INFO] running `"docker" "start" "-a" "248acc314905b4a84c5f37a3273aae2372c9dbb592ef5e716871d4fdcfed5f52"`
[INFO] [stderr]    Compiling winapi v0.3.7
[INFO] [stderr]    Compiling serde v1.0.94
[INFO] [stderr]    Compiling term_size v0.3.1
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling winconsole v0.10.0
[INFO] [stderr]    Compiling colored v1.8.0
[INFO] [stderr]    Compiling serde_json v1.0.40
[INFO] [stderr]    Compiling randoom v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/io.rs:48:13
[INFO] [stderr]    |
[INFO] [stderr] 48 |         let mut processed_line: String = line.split_whitespace().collect(); // Remove whitespaces from the string
[INFO] [stderr]    |             ----^^^^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_letter_char`
[INFO] [stderr]   --> src/generator.rs:79:1
[INFO] [stderr]    |
[INFO] [stderr] 79 | fn is_letter_char(c: u8) -> bool {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `read_lines_from_file`
[INFO] [stderr]   --> src/io.rs:42:1
[INFO] [stderr]    |
[INFO] [stderr] 42 | fn read_lines_from_file(file_path: String, json_string: &mut String) -> std::io::Result<()> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `deserialize_json_schema`
[INFO] [stderr]   --> src/io.rs:55:1
[INFO] [stderr]    |
[INFO] [stderr] 55 | pub fn deserialize_json_schema(file_path: String) -> std::io::Result<()> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.49s
[INFO] running `"docker" "inspect" "248acc314905b4a84c5f37a3273aae2372c9dbb592ef5e716871d4fdcfed5f52"`
[INFO] running `"docker" "rm" "-f" "248acc314905b4a84c5f37a3273aae2372c9dbb592ef5e716871d4fdcfed5f52"`
[INFO] [stdout] 248acc314905b4a84c5f37a3273aae2372c9dbb592ef5e716871d4fdcfed5f52
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/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] 328b0eb855a9c2b9a439facb37b58ae82ac67e3623c64f8b5b602c9e214b4a84
[INFO] running `"docker" "start" "-a" "328b0eb855a9c2b9a439facb37b58ae82ac67e3623c64f8b5b602c9e214b4a84"`
[INFO] [stderr]    Compiling randoom v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/io.rs:48:13
[INFO] [stderr]    |
[INFO] [stderr] 48 |         let mut processed_line: String = line.split_whitespace().collect(); // Remove whitespaces from the string
[INFO] [stderr]    |             ----^^^^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_letter_char`
[INFO] [stderr]   --> src/generator.rs:79:1
[INFO] [stderr]    |
[INFO] [stderr] 79 | fn is_letter_char(c: u8) -> bool {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `read_lines_from_file`
[INFO] [stderr]   --> src/io.rs:42:1
[INFO] [stderr]    |
[INFO] [stderr] 42 | fn read_lines_from_file(file_path: String, json_string: &mut String) -> std::io::Result<()> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `deserialize_json_schema`
[INFO] [stderr]   --> src/io.rs:55:1
[INFO] [stderr]    |
[INFO] [stderr] 55 | pub fn deserialize_json_schema(file_path: String) -> std::io::Result<()> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `"docker" "inspect" "328b0eb855a9c2b9a439facb37b58ae82ac67e3623c64f8b5b602c9e214b4a84"`
[INFO] running `"docker" "rm" "-f" "328b0eb855a9c2b9a439facb37b58ae82ac67e3623c64f8b5b602c9e214b4a84"`
[INFO] [stdout] 328b0eb855a9c2b9a439facb37b58ae82ac67e3623c64f8b5b602c9e214b4a84
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/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] d3f66d47ab6c6d89f512950470c2f94706bae2b3d2a0b8c6bad40b6bdb1603cc
[INFO] running `"docker" "start" "-a" "d3f66d47ab6c6d89f512950470c2f94706bae2b3d2a0b8c6bad40b6bdb1603cc"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/randoom-e26a30ec00ce870d
[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" "d3f66d47ab6c6d89f512950470c2f94706bae2b3d2a0b8c6bad40b6bdb1603cc"`
[INFO] running `"docker" "rm" "-f" "d3f66d47ab6c6d89f512950470c2f94706bae2b3d2a0b8c6bad40b6bdb1603cc"`
[INFO] [stdout] d3f66d47ab6c6d89f512950470c2f94706bae2b3d2a0b8c6bad40b6bdb1603cc