[INFO] cloning repository https://github.com/jianlexia/rustlesson4 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jianlexia/rustlesson4" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjianlexia%2Frustlesson4", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjianlexia%2Frustlesson4'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 57df6374e26b47b3ec4ce8ec7c45357ab4bc09a8 [INFO] testing jianlexia/rustlesson4 against beta-2021-09-08 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjianlexia%2Frustlesson4" "/workspace/builds/worker-15/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jianlexia/rustlesson4 on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jianlexia/rustlesson4 [INFO] finished tweaking git repo https://github.com/jianlexia/rustlesson4 [INFO] tweaked toml for git repo https://github.com/jianlexia/rustlesson4 written to /workspace/builds/worker-15/source/Cargo.toml [INFO] crate git repo https://github.com/jianlexia/rustlesson4 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 867733e7cf5360c0f1073e3556d53b55ee025e0fc5283bf52442a9099bcf2b6d [INFO] running `Command { std: "docker" "start" "-a" "867733e7cf5360c0f1073e3556d53b55ee025e0fc5283bf52442a9099bcf2b6d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "867733e7cf5360c0f1073e3556d53b55ee025e0fc5283bf52442a9099bcf2b6d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "867733e7cf5360c0f1073e3556d53b55ee025e0fc5283bf52442a9099bcf2b6d", kill_on_drop: false }` [INFO] [stdout] 867733e7cf5360c0f1073e3556d53b55ee025e0fc5283bf52442a9099bcf2b6d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5f49a237ad40c493c1afc1f539a4b3fa85f0d3b7151abe8eea0d109909b1233f [INFO] running `Command { std: "docker" "start" "-a" "5f49a237ad40c493c1afc1f539a4b3fa85f0d3b7151abe8eea0d109909b1233f", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.77 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Compiling textwrap v0.10.0 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling time v0.1.44 [INFO] [stderr] Compiling clap v2.32.0 [INFO] [stderr] Compiling chrono v0.4.18 [INFO] [stderr] Compiling mycat v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `BufRead` [INFO] [stdout] --> src/main.rs:7:21 [INFO] [stdout] | [INFO] [stdout] 7 | use std::io::{Read, BufRead}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `param` [INFO] [stdout] --> src/main.rs:71:23 [INFO] [stdout] | [INFO] [stdout] 71 | ("time", Some(param)) => { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_param` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:61:17 [INFO] [stdout] | [INFO] [stdout] 61 | let mut f = File::open(filePath).expect("[mycat Error] File not found."); [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: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:62:17 [INFO] [stdout] | [INFO] [stdout] 62 | let mut buf = io::BufReader::new(f); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:73:17 [INFO] [stdout] | [INFO] [stdout] 73 | let mut dt = Local::now(); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `filePath` should have a snake case name [INFO] [stdout] --> src/main.rs:60:17 [INFO] [stdout] | [INFO] [stdout] 60 | let filePath = Path::new(&file); [INFO] [stdout] | ^^^^^^^^ help: convert the identifier to snake case: `file_path` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `printLine` should have a snake case name [INFO] [stdout] --> src/main.rs:82:4 [INFO] [stdout] | [INFO] [stdout] 82 | fn printLine(line: String) { [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to snake case: `print_line` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 12.48s [INFO] running `Command { std: "docker" "inspect" "5f49a237ad40c493c1afc1f539a4b3fa85f0d3b7151abe8eea0d109909b1233f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5f49a237ad40c493c1afc1f539a4b3fa85f0d3b7151abe8eea0d109909b1233f", kill_on_drop: false }` [INFO] [stdout] 5f49a237ad40c493c1afc1f539a4b3fa85f0d3b7151abe8eea0d109909b1233f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9a54b5809b77f2abe34efe15da4a50398f849bc33f70107700a191ae4b90ab5d [INFO] running `Command { std: "docker" "start" "-a" "9a54b5809b77f2abe34efe15da4a50398f849bc33f70107700a191ae4b90ab5d", kill_on_drop: false }` [INFO] [stderr] Compiling mycat v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `BufRead` [INFO] [stdout] --> src/main.rs:7:21 [INFO] [stdout] | [INFO] [stdout] 7 | use std::io::{Read, BufRead}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `param` [INFO] [stdout] --> src/main.rs:71:23 [INFO] [stdout] | [INFO] [stdout] 71 | ("time", Some(param)) => { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_param` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:61:17 [INFO] [stdout] | [INFO] [stdout] 61 | let mut f = File::open(filePath).expect("[mycat Error] File not found."); [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: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:62:17 [INFO] [stdout] | [INFO] [stdout] 62 | let mut buf = io::BufReader::new(f); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:73:17 [INFO] [stdout] | [INFO] [stdout] 73 | let mut dt = Local::now(); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `filePath` should have a snake case name [INFO] [stdout] --> src/main.rs:60:17 [INFO] [stdout] | [INFO] [stdout] 60 | let filePath = Path::new(&file); [INFO] [stdout] | ^^^^^^^^ help: convert the identifier to snake case: `file_path` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `printLine` should have a snake case name [INFO] [stdout] --> src/main.rs:82:4 [INFO] [stdout] | [INFO] [stdout] 82 | fn printLine(line: String) { [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to snake case: `print_line` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.93s [INFO] running `Command { std: "docker" "inspect" "9a54b5809b77f2abe34efe15da4a50398f849bc33f70107700a191ae4b90ab5d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9a54b5809b77f2abe34efe15da4a50398f849bc33f70107700a191ae4b90ab5d", kill_on_drop: false }` [INFO] [stdout] 9a54b5809b77f2abe34efe15da4a50398f849bc33f70107700a191ae4b90ab5d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 3328bc9873e82fe07c2cdf12a4a9226935564bfc7bedf9e219a5e4eed8c3fa00 [INFO] running `Command { std: "docker" "start" "-a" "3328bc9873e82fe07c2cdf12a4a9226935564bfc7bedf9e219a5e4eed8c3fa00", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stdout] [INFO] [stderr] warning: unused import: `BufRead` [INFO] [stdout] running 0 tests [INFO] [stderr] --> src/main.rs:7:21 [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] 7 | use std::io::{Read, BufRead}; [INFO] [stdout] [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `param` [INFO] [stderr] --> src/main.rs:71:23 [INFO] [stderr] | [INFO] [stderr] 71 | ("time", Some(param)) => { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_param` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:61:17 [INFO] [stderr] | [INFO] [stderr] 61 | let mut f = File::open(filePath).expect("[mycat Error] File not found."); [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: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:62:17 [INFO] [stderr] | [INFO] [stderr] 62 | let mut buf = io::BufReader::new(f); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:73:17 [INFO] [stderr] | [INFO] [stderr] 73 | let mut dt = Local::now(); [INFO] [stderr] | ----^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable `filePath` should have a snake case name [INFO] [stderr] --> src/main.rs:60:17 [INFO] [stderr] | [INFO] [stderr] 60 | let filePath = Path::new(&file); [INFO] [stderr] | ^^^^^^^^ help: convert the identifier to snake case: `file_path` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function `printLine` should have a snake case name [INFO] [stderr] --> src/main.rs:82:4 [INFO] [stderr] | [INFO] [stderr] 82 | fn printLine(line: String) { [INFO] [stderr] | ^^^^^^^^^ help: convert the identifier to snake case: `print_line` [INFO] [stderr] [INFO] [stderr] warning: `mycat` (bin "mycat" test) generated 7 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.21s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/mycat-6359a0e2cb957822) [INFO] running `Command { std: "docker" "inspect" "3328bc9873e82fe07c2cdf12a4a9226935564bfc7bedf9e219a5e4eed8c3fa00", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3328bc9873e82fe07c2cdf12a4a9226935564bfc7bedf9e219a5e4eed8c3fa00", kill_on_drop: false }` [INFO] [stdout] 3328bc9873e82fe07c2cdf12a4a9226935564bfc7bedf9e219a5e4eed8c3fa00