[INFO] cloning repository https://github.com/HoolaBoola/tesseract-bot [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/HoolaBoola/tesseract-bot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHoolaBoola%2Ftesseract-bot"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHoolaBoola%2Ftesseract-bot'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] b559a28b651e3bcc44b5ea2f5f52e008962c303b [INFO] checking HoolaBoola/tesseract-bot against master#d939f708d960161d23b964309ba68ff207fc0ead for pr-70087 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHoolaBoola%2Ftesseract-bot" "/workspace/builds/worker-3/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/HoolaBoola/tesseract-bot on toolchain d939f708d960161d23b964309ba68ff207fc0ead [INFO] running `"/workspace/cargo-home/bin/cargo" "+d939f708d960161d23b964309ba68ff207fc0ead" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/HoolaBoola/tesseract-bot [INFO] finished tweaking git repo https://github.com/HoolaBoola/tesseract-bot [INFO] tweaked toml for git repo https://github.com/HoolaBoola/tesseract-bot written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/HoolaBoola/tesseract-bot already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+d939f708d960161d23b964309ba68ff207fc0ead" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] warning: dependency (serenity) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+d939f708d960161d23b964309ba68ff207fc0ead" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 7f32ebfd159e39d4e164e975d1505f4ef5d99df766102e72e58f6c6ffeeefc81 [INFO] running `"docker" "start" "-a" "7f32ebfd159e39d4e164e975d1505f4ef5d99df766102e72e58f6c6ffeeefc81"` [INFO] [stderr] warning: dependency (serenity) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions [INFO] [stderr] Compiling serenity v0.8.0 [INFO] [stderr] Checking uwl v0.5.1 [INFO] [stderr] Checking kankyo v0.3.0 [INFO] [stderr] Checking webpki v0.21.2 [INFO] [stderr] Checking sct v0.6.0 [INFO] [stderr] Compiling env_logger v0.6.2 [INFO] [stderr] Checking tokio v0.2.13 [INFO] [stderr] Checking input_buffer v0.2.0 [INFO] [stderr] Compiling failure v0.1.7 [INFO] [stderr] Compiling proc-macro-hack v0.5.11 [INFO] [stderr] Compiling command_attr v0.1.7 [INFO] [stderr] Checking chrono v0.4.11 [INFO] [stderr] Checking tungstenite v0.9.2 [INFO] [stderr] Checking ct-logs v0.6.0 [INFO] [stderr] Checking rustls v0.17.0 [INFO] [stderr] Checking webpki-roots v0.18.0 [INFO] [stderr] Checking rustls v0.16.0 [INFO] [stderr] Compiling which v2.0.1 [INFO] [stderr] Compiling bindgen v0.50.1 [INFO] [stderr] Compiling futures-macro v0.3.4 [INFO] [stderr] Checking tokio-util v0.2.0 [INFO] [stderr] Checking rustls-native-certs v0.3.0 [INFO] [stderr] Checking tokio-rustls v0.13.0 [INFO] [stderr] Checking futures-util v0.3.4 [INFO] [stderr] Checking h2 v0.2.2 [INFO] [stderr] Compiling leptonica-sys v0.2.1 [INFO] [stderr] Compiling tesseract-sys v0.4.1 [INFO] [stderr] Checking hyper v0.13.3 [INFO] [stderr] Checking hyper-rustls v0.20.0 [INFO] [stderr] Checking reqwest v0.10.4 [INFO] [stderr] Checking leptess v0.8.1 [INFO] [stderr] Checking discordbot-tesseract v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/commands/read.rs:70:9 [INFO] [stderr] | [INFO] [stderr] 70 | let mut pix = leptess::leptonica::pix_read(Path::new(filename)).unwrap(); [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/commands/read.rs:70:9 [INFO] [stderr] | [INFO] [stderr] 70 | let mut pix = leptess::leptonica::pix_read(Path::new(filename)).unwrap(); [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: unused `std::result::Result` that must be used [INFO] [stderr] --> src/commands/read.rs:47:13 [INFO] [stderr] | [INFO] [stderr] 47 | fs::remove_file(&filename); [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: unused `std::result::Result` that must be used [INFO] [stderr] --> src/commands/read.rs:47:13 [INFO] [stderr] | [INFO] [stderr] 47 | fs::remove_file(&filename); [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] Finished dev [unoptimized + debuginfo] target(s) in 2m 28s [INFO] running `"docker" "inspect" "7f32ebfd159e39d4e164e975d1505f4ef5d99df766102e72e58f6c6ffeeefc81"` [INFO] running `"docker" "rm" "-f" "7f32ebfd159e39d4e164e975d1505f4ef5d99df766102e72e58f6c6ffeeefc81"` [INFO] [stdout] 7f32ebfd159e39d4e164e975d1505f4ef5d99df766102e72e58f6c6ffeeefc81