[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#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbencelaszlo%2Frandoom" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/bencelaszlo/randoom on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", 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-4/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" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ff180aa7de9d1f92369eeb7767e4c6feaae70b5b60087b17aa6faadd9fe8d982 [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" "ff180aa7de9d1f92369eeb7767e4c6feaae70b5b60087b17aa6faadd9fe8d982", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ff180aa7de9d1f92369eeb7767e4c6feaae70b5b60087b17aa6faadd9fe8d982", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ff180aa7de9d1f92369eeb7767e4c6feaae70b5b60087b17aa6faadd9fe8d982", kill_on_drop: false }` [INFO] [stdout] ff180aa7de9d1f92369eeb7767e4c6feaae70b5b60087b17aa6faadd9fe8d982 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a797c545e8272432908c133cdb2f917b4c33310eba361c98bd17aa8c505ec54f [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" "a797c545e8272432908c133cdb2f917b4c33310eba361c98bd17aa8c505ec54f", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Compiling getrandom v0.1.12 [INFO] [stderr] Compiling cgmath v0.16.1 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling winapi v0.3.8 [INFO] [stderr] Compiling ppv-lite86 v0.2.5 [INFO] [stderr] Compiling ryu v1.0.0 [INFO] [stderr] Compiling serde v1.0.101 [INFO] [stderr] Compiling bitflags v1.2.0 [INFO] [stderr] Compiling approx v0.1.1 [INFO] [stderr] Compiling rgb v0.8.14 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling itoa v0.4.4 [INFO] [stderr] Compiling regex-syntax v0.6.12 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling thread_local v0.3.6 [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 clap v2.33.0 [INFO] [stderr] Compiling rand_chacha v0.2.1 [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 49.48s [INFO] running `Command { std: "docker" "inspect" "a797c545e8272432908c133cdb2f917b4c33310eba361c98bd17aa8c505ec54f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a797c545e8272432908c133cdb2f917b4c33310eba361c98bd17aa8c505ec54f", kill_on_drop: false }` [INFO] [stdout] a797c545e8272432908c133cdb2f917b4c33310eba361c98bd17aa8c505ec54f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--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] 81ed1a047aa1c0a35208b9a82301485acebfc25afdc197a05c695790817b9256 [INFO] running `Command { std: "docker" "start" "-a" "81ed1a047aa1c0a35208b9a82301485acebfc25afdc197a05c695790817b9256", 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 1.03s [INFO] running `Command { std: "docker" "inspect" "81ed1a047aa1c0a35208b9a82301485acebfc25afdc197a05c695790817b9256", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "81ed1a047aa1c0a35208b9a82301485acebfc25afdc197a05c695790817b9256", kill_on_drop: false }` [INFO] [stdout] 81ed1a047aa1c0a35208b9a82301485acebfc25afdc197a05c695790817b9256 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen", 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] 2d7541ec489fbb890699aa709819bce86512df86dc0d5a5bda8f69f415507b93 [INFO] running `Command { std: "docker" "start" "-a" "2d7541ec489fbb890699aa709819bce86512df86dc0d5a5bda8f69f415507b93", kill_on_drop: false }` [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 0.09s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/randoom-cc8d3e090c39b1e8 [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 `Command { std: "docker" "inspect" "2d7541ec489fbb890699aa709819bce86512df86dc0d5a5bda8f69f415507b93", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2d7541ec489fbb890699aa709819bce86512df86dc0d5a5bda8f69f415507b93", kill_on_drop: false }` [INFO] [stdout] 2d7541ec489fbb890699aa709819bce86512df86dc0d5a5bda8f69f415507b93