[INFO] cloning repository https://github.com/dgoetsch/glutton [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dgoetsch/glutton" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdgoetsch%2Fglutton", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdgoetsch%2Fglutton'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b1bc70e964c18f6818a90b4e4ff98afa54c907a9 [INFO] testing dgoetsch/glutton against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdgoetsch%2Fglutton" "/workspace/builds/worker-18/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-18/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/dgoetsch/glutton on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/dgoetsch/glutton [INFO] finished tweaking git repo https://github.com/dgoetsch/glutton [INFO] tweaked toml for git repo https://github.com/dgoetsch/glutton written to /workspace/builds/worker-18/source/Cargo.toml [INFO] crate git repo https://github.com/dgoetsch/glutton already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 305892daa97861f94e7b1215d097797e2b61da22ede91a5a4fc78c4141302c29 [INFO] running `Command { std: "docker" "start" "-a" "305892daa97861f94e7b1215d097797e2b61da22ede91a5a4fc78c4141302c29", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "305892daa97861f94e7b1215d097797e2b61da22ede91a5a4fc78c4141302c29", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "305892daa97861f94e7b1215d097797e2b61da22ede91a5a4fc78c4141302c29", kill_on_drop: false }` [INFO] [stdout] 305892daa97861f94e7b1215d097797e2b61da22ede91a5a4fc78c4141302c29 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 40d4b41c4c24e26fda752c7af74927f48c3fd917f90e007542d8e9c84525dd64 [INFO] running `Command { std: "docker" "start" "-a" "40d4b41c4c24e26fda752c7af74927f48c3fd917f90e007542d8e9c84525dd64", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling rand_core v0.2.1 [INFO] [stderr] Compiling libc v0.2.42 [INFO] [stderr] Compiling rand v0.5.4 [INFO] [stderr] Compiling rust-by-ex v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::iter::Map` [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::iter::Map; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/main.rs:18:21 [INFO] [stdout] | [INFO] [stdout] 18 | for idx in (0..self.at_a_time) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 18 - for idx in (0..self.at_a_time) { [INFO] [stdout] 18 + for idx in 0..self.at_a_time { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `rand::Rng::gen_ascii_chars`: use sample_iter(&Alphanumeric) instead [INFO] [stdout] --> src/main.rs:32:33 [INFO] [stdout] | [INFO] [stdout] 32 | let name = thread_rng().gen_ascii_chars().take(10) .collect::(); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `idx` [INFO] [stdout] --> src/main.rs:18:13 [INFO] [stdout] | [INFO] [stdout] 18 | for idx in (0..self.at_a_time) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_idx` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cd_res` [INFO] [stdout] --> src/main.rs:38:13 [INFO] [stdout] | [INFO] [stdout] 38 | let cd_res = std::fs::create_dir_all(sub_dir.as_str()); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_cd_res` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cf_res` [INFO] [stdout] --> src/main.rs:46:13 [INFO] [stdout] | [INFO] [stdout] 46 | let cf_res = std::fs::File::create(file_name.as_str()) [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_cf_res` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:23:13 [INFO] [stdout] | [INFO] [stdout] 23 | handler.join(); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 21.98s [INFO] running `Command { std: "docker" "inspect" "40d4b41c4c24e26fda752c7af74927f48c3fd917f90e007542d8e9c84525dd64", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "40d4b41c4c24e26fda752c7af74927f48c3fd917f90e007542d8e9c84525dd64", kill_on_drop: false }` [INFO] [stdout] 40d4b41c4c24e26fda752c7af74927f48c3fd917f90e007542d8e9c84525dd64 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7763a791acc333f724e5bdbaa210989e0e79b0c8be6c9cccff0eeece9f338bd5 [INFO] running `Command { std: "docker" "start" "-a" "7763a791acc333f724e5bdbaa210989e0e79b0c8be6c9cccff0eeece9f338bd5", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling rust-by-ex v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::iter::Map` [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::iter::Map; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/main.rs:18:21 [INFO] [stdout] | [INFO] [stdout] 18 | for idx in (0..self.at_a_time) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 18 - for idx in (0..self.at_a_time) { [INFO] [stdout] 18 + for idx in 0..self.at_a_time { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `rand::Rng::gen_ascii_chars`: use sample_iter(&Alphanumeric) instead [INFO] [stdout] --> src/main.rs:32:33 [INFO] [stdout] | [INFO] [stdout] 32 | let name = thread_rng().gen_ascii_chars().take(10) .collect::(); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `idx` [INFO] [stdout] --> src/main.rs:18:13 [INFO] [stdout] | [INFO] [stdout] 18 | for idx in (0..self.at_a_time) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_idx` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cd_res` [INFO] [stdout] --> src/main.rs:38:13 [INFO] [stdout] | [INFO] [stdout] 38 | let cd_res = std::fs::create_dir_all(sub_dir.as_str()); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_cd_res` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cf_res` [INFO] [stdout] --> src/main.rs:46:13 [INFO] [stdout] | [INFO] [stdout] 46 | let cf_res = std::fs::File::create(file_name.as_str()) [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_cf_res` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:23:13 [INFO] [stdout] | [INFO] [stdout] 23 | handler.join(); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.81s [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_by_ex-e2bb5eb83d924dc9) [INFO] running `Command { std: "docker" "inspect" "7763a791acc333f724e5bdbaa210989e0e79b0c8be6c9cccff0eeece9f338bd5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7763a791acc333f724e5bdbaa210989e0e79b0c8be6c9cccff0eeece9f338bd5", kill_on_drop: false }` [INFO] [stdout] 7763a791acc333f724e5bdbaa210989e0e79b0c8be6c9cccff0eeece9f338bd5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] a320d9b41bcbc864ba8c3bc35d62efeda1d78a5e80509f5ce62940fc85d620a4 [INFO] running `Command { std: "docker" "start" "-a" "a320d9b41bcbc864ba8c3bc35d62efeda1d78a5e80509f5ce62940fc85d620a4", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `std::iter::Map` [INFO] [stderr] --> src/main.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use std::iter::Map; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `for` iterator expression [INFO] [stderr] --> src/main.rs:18:21 [INFO] [stderr] | [INFO] [stderr] 18 | for idx in (0..self.at_a_time) { [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 18 - for idx in (0..self.at_a_time) { [INFO] [stderr] 18 + for idx in 0..self.at_a_time { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: use of deprecated associated function `rand::Rng::gen_ascii_chars`: use sample_iter(&Alphanumeric) instead [INFO] [stderr] --> src/main.rs:32:33 [INFO] [stderr] | [INFO] [stderr] 32 | let name = thread_rng().gen_ascii_chars().take(10) .collect::(); [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `idx` [INFO] [stderr] --> src/main.rs:18:13 [INFO] [stderr] | [INFO] [stderr] 18 | for idx in (0..self.at_a_time) { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_idx` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `cd_res` [INFO] [stderr] --> src/main.rs:38:13 [INFO] [stderr] | [INFO] [stderr] 38 | let cd_res = std::fs::create_dir_all(sub_dir.as_str()); [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_cd_res` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `cf_res` [INFO] [stderr] --> src/main.rs:46:13 [INFO] [stderr] | [INFO] [stderr] 46 | let cf_res = std::fs::File::create(file_name.as_str()) [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_cf_res` [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:23:13 [INFO] [stderr] | [INFO] [stderr] 23 | handler.join(); [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: `rust-by-ex` (bin "rust-by-ex" test) generated 7 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_by_ex-e2bb5eb83d924dc9) [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" "a320d9b41bcbc864ba8c3bc35d62efeda1d78a5e80509f5ce62940fc85d620a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a320d9b41bcbc864ba8c3bc35d62efeda1d78a5e80509f5ce62940fc85d620a4", kill_on_drop: false }` [INFO] [stdout] a320d9b41bcbc864ba8c3bc35d62efeda1d78a5e80509f5ce62940fc85d620a4