[INFO] cloning repository https://github.com/xeranimus/mergebg [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xeranimus/mergebg" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxeranimus%2Fmergebg", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxeranimus%2Fmergebg'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e66997f6f29a659d21fb972d41db9634fa8092d6 [INFO] checking xeranimus/mergebg against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxeranimus%2Fmergebg" "/workspace/builds/worker-47/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-47/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/xeranimus/mergebg on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/xeranimus/mergebg [INFO] finished tweaking git repo https://github.com/xeranimus/mergebg [INFO] tweaked toml for git repo https://github.com/xeranimus/mergebg written to /workspace/builds/worker-47/source/Cargo.toml [INFO] crate git repo https://github.com/xeranimus/mergebg already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c5c19faaad8d1ba6f249582c4a7f133e01ede3bd529e713b422da72dd951bcb5 [INFO] running `Command { std: "docker" "start" "-a" "c5c19faaad8d1ba6f249582c4a7f133e01ede3bd529e713b422da72dd951bcb5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c5c19faaad8d1ba6f249582c4a7f133e01ede3bd529e713b422da72dd951bcb5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c5c19faaad8d1ba6f249582c4a7f133e01ede3bd529e713b422da72dd951bcb5", kill_on_drop: false }` [INFO] [stdout] c5c19faaad8d1ba6f249582c4a7f133e01ede3bd529e713b422da72dd951bcb5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 79f665d8098a2edc41ba465f8f99f8384f4d08fba9bbf84fc229522e8869769b [INFO] running `Command { std: "docker" "start" "-a" "79f665d8098a2edc41ba465f8f99f8384f4d08fba9bbf84fc229522e8869769b", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking rand_core v0.4.0 [INFO] [stderr] Compiling bitflags v1.1.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking rand_pcg v0.1.2 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_chacha v0.1.1 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand v0.6.5 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking ironbed v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/lib.rs:460:87 [INFO] [stdout] | [INFO] [stdout] 460 | let test_values = bg.map(|x| x.starts_after(&pos)).collect::>();; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/lib.rs:474:86 [INFO] [stdout] | [INFO] [stdout] 474 | let test_values = bg.map(|x| x.ends_before(&pos)).collect::>();; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/lib.rs:498:60 [INFO] [stdout] | [INFO] [stdout] 498 | check_data(&last_line, Some("10".to_string()));; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/lib.rs:501:60 [INFO] [stdout] | [INFO] [stdout] 501 | check_data(&last_line, Some("20".to_string()));; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/lib.rs:444:24 [INFO] [stdout] | [INFO] [stdout] 444 | panic!(format!("Last line is None: {:?}", line)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the panic!() macro supports formatting, so there's no need for the format!() macro here [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 444 - panic!(format!("Last line is None: {:?}", line)); [INFO] [stdout] 444 + panic!("Last line is None: {:?}", line); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/lib.rs:452:24 [INFO] [stdout] | [INFO] [stdout] 452 | panic!(format!("Last line is None: {:?}", line)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the panic!() macro supports formatting, so there's no need for the format!() macro here [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 452 - panic!(format!("Last line is None: {:?}", line)); [INFO] [stdout] 452 + panic!("Last line is None: {:?}", line); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 18.32s [INFO] running `Command { std: "docker" "inspect" "79f665d8098a2edc41ba465f8f99f8384f4d08fba9bbf84fc229522e8869769b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "79f665d8098a2edc41ba465f8f99f8384f4d08fba9bbf84fc229522e8869769b", kill_on_drop: false }` [INFO] [stdout] 79f665d8098a2edc41ba465f8f99f8384f4d08fba9bbf84fc229522e8869769b