[INFO] cloning repository https://github.com/bencelaszlo/randoom [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bencelaszlo/randoom" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbencelaszlo%2Frandoom", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbencelaszlo%2Frandoom'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 685c394b72b6599a8db4e534be8c48f7c69a4960 [INFO] testing bencelaszlo/randoom against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbencelaszlo%2Frandoom" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/bencelaszlo/randoom on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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 /workspace/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 `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a5f01ed05d211152cad8bdc32b7e4153eed7729f45b30e2e204f1d439bd99e43 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "a5f01ed05d211152cad8bdc32b7e4153eed7729f45b30e2e204f1d439bd99e43", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a5f01ed05d211152cad8bdc32b7e4153eed7729f45b30e2e204f1d439bd99e43", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a5f01ed05d211152cad8bdc32b7e4153eed7729f45b30e2e204f1d439bd99e43", kill_on_drop: false }` [INFO] [stdout] a5f01ed05d211152cad8bdc32b7e4153eed7729f45b30e2e204f1d439bd99e43 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] faca16c2fb464c07113f81bbf5565f1194b7fc4ca0b51344c84edf506e787cc4 [INFO] running `Command { std: "docker" "start" "-a" "faca16c2fb464c07113f81bbf5565f1194b7fc4ca0b51344c84edf506e787cc4", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling autocfg v0.1.6 [INFO] [stderr] Compiling getrandom v0.1.12 [INFO] [stderr] Compiling cgmath v0.16.1 [INFO] [stderr] Compiling winapi v0.3.8 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling serde v1.0.101 [INFO] [stderr] Compiling ppv-lite86 v0.2.5 [INFO] [stderr] Compiling unicode-width v0.1.6 [INFO] [stderr] Compiling itoa v0.4.4 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling regex-syntax v0.6.12 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling c2-chacha v0.2.2 [INFO] [stderr] Compiling aho-corasick v0.7.6 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling term_size v0.3.1 [INFO] [stderr] Compiling atty v0.2.13 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_chacha v0.2.1 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling rand v0.7.2 [INFO] [stderr] Compiling num-traits v0.1.43 [INFO] [stderr] Compiling regex v1.3.1 [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] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/io.rs:48:13 [INFO] [stdout] | [INFO] [stdout] 48 | let mut processed_line: String = line.split_whitespace().collect(); // Remove whitespaces from the string [INFO] [stdout] | ----^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `is_letter_char` [INFO] [stdout] --> src/generator.rs:79:4 [INFO] [stdout] | [INFO] [stdout] 79 | fn is_letter_char(c: u8) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `read_lines_from_file` [INFO] [stdout] --> src/io.rs:42:4 [INFO] [stdout] | [INFO] [stdout] 42 | fn read_lines_from_file(file_path: String, json_string: &mut String) -> std::io::Result<()> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `deserialize_json_schema` [INFO] [stdout] --> src/io.rs:55:8 [INFO] [stdout] | [INFO] [stdout] 55 | pub fn deserialize_json_schema(file_path: String) -> std::io::Result<()> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 44.23s [INFO] running `Command { std: "docker" "inspect" "faca16c2fb464c07113f81bbf5565f1194b7fc4ca0b51344c84edf506e787cc4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "faca16c2fb464c07113f81bbf5565f1194b7fc4ca0b51344c84edf506e787cc4", kill_on_drop: false }` [INFO] [stdout] faca16c2fb464c07113f81bbf5565f1194b7fc4ca0b51344c84edf506e787cc4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 554df3a76b1f662c4454ca40303af7256fadfb95bb59ca56411548023475a5cf [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "554df3a76b1f662c4454ca40303af7256fadfb95bb59ca56411548023475a5cf", kill_on_drop: false }` [INFO] [stderr] Compiling randoom v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/io.rs:48:13 [INFO] [stdout] | [INFO] [stdout] 48 | let mut processed_line: String = line.split_whitespace().collect(); // Remove whitespaces from the string [INFO] [stdout] | ----^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `is_letter_char` [INFO] [stdout] --> src/generator.rs:79:4 [INFO] [stdout] | [INFO] [stdout] 79 | fn is_letter_char(c: u8) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `read_lines_from_file` [INFO] [stdout] --> src/io.rs:42:4 [INFO] [stdout] | [INFO] [stdout] 42 | fn read_lines_from_file(file_path: String, json_string: &mut String) -> std::io::Result<()> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `deserialize_json_schema` [INFO] [stdout] --> src/io.rs:55:8 [INFO] [stdout] | [INFO] [stdout] 55 | pub fn deserialize_json_schema(file_path: String) -> std::io::Result<()> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.07s [INFO] running `Command { std: "docker" "inspect" "554df3a76b1f662c4454ca40303af7256fadfb95bb59ca56411548023475a5cf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "554df3a76b1f662c4454ca40303af7256fadfb95bb59ca56411548023475a5cf", kill_on_drop: false }` [INFO] [stdout] 554df3a76b1f662c4454ca40303af7256fadfb95bb59ca56411548023475a5cf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 1ba596c197bc4b7bb77c3d67bd8e4b74614f50348fc1e2be4368e1a5e9b1cef3 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "1ba596c197bc4b7bb77c3d67bd8e4b74614f50348fc1e2be4368e1a5e9b1cef3", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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:79:4 [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:42:4 [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:55:8 [INFO] [stderr] | [INFO] [stderr] 55 | pub fn deserialize_json_schema(file_path: String) -> std::io::Result<()> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.16s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/randoom-4f8c39bacc28196a) [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; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "1ba596c197bc4b7bb77c3d67bd8e4b74614f50348fc1e2be4368e1a5e9b1cef3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1ba596c197bc4b7bb77c3d67bd8e4b74614f50348fc1e2be4368e1a5e9b1cef3", kill_on_drop: false }` [INFO] [stdout] 1ba596c197bc4b7bb77c3d67bd8e4b74614f50348fc1e2be4368e1a5e9b1cef3