[INFO] cloning repository https://github.com/HoolaBoola/tesseract-bot
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHoolaBoola%2Ftesseract-bot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b559a28b651e3bcc44b5ea2f5f52e008962c303b
[INFO] testing HoolaBoola/tesseract-bot against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHoolaBoola%2Ftesseract-bot" "/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/HoolaBoola/tesseract-bot on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-4/source/Cargo.toml
[INFO] crate git repo https://github.com/HoolaBoola/tesseract-bot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded hyper-rustls v0.20.0
[INFO] [stderr]   Downloaded schannel v0.1.17
[INFO] [stderr]   Downloaded bindgen v0.50.1
[INFO] [stderr]   Downloaded kankyo v0.3.0
[INFO] [stderr]   Downloaded ct-logs v0.6.0
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.59
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.59
[INFO] [stderr]   Downloaded tungstenite v0.9.2
[INFO] [stderr]   Downloaded rustls-native-certs v0.3.0
[INFO] [stderr]   Downloaded command_attr v0.1.7
[INFO] [stderr]   Downloaded security-framework-sys v0.4.1
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.59
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.59
[INFO] [stderr]   Downloaded web-sys v0.3.36
[INFO] [stderr]   Downloaded security-framework v0.4.1
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.9
[INFO] [stderr]   Downloaded serenity v0.8.0
[INFO] [stderr]   Downloaded tesseract-sys v0.4.1
[INFO] [stderr]   Downloaded leptonica-sys v0.2.1
[INFO] [stderr]   Downloaded uwl v0.5.1
[INFO] [stderr]   Downloaded input_buffer v0.2.0
[INFO] [stderr]   Downloaded tokio-rustls v0.13.0
[INFO] [stderr]   Downloaded leptess v0.8.1
[INFO] [stderr]   Downloaded js-sys v0.3.36
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.59
[INFO] [stderr]   Downloaded hyper v0.13.3
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", 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] d88804de0ce4c22e51ea2e0cd3c07afba9e5445bfa425d091a69632ce3873eb0
[INFO] running `Command { std: "docker" "start" "-a" "d88804de0ce4c22e51ea2e0cd3c07afba9e5445bfa425d091a69632ce3873eb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d88804de0ce4c22e51ea2e0cd3c07afba9e5445bfa425d091a69632ce3873eb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d88804de0ce4c22e51ea2e0cd3c07afba9e5445bfa425d091a69632ce3873eb0", kill_on_drop: false }`
[INFO] [stdout] d88804de0ce4c22e51ea2e0cd3c07afba9e5445bfa425d091a69632ce3873eb0
[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=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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--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] 285b5f1ed6943f380b84fae957861f3128d3fffb763086922a106b57811ea348
[INFO] running `Command { std: "docker" "start" "-a" "285b5f1ed6943f380b84fae957861f3128d3fffb763086922a106b57811ea348", kill_on_drop: false }`
[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 syn v1.0.16
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling bindgen v0.50.1
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]    Compiling dtoa v0.4.5
[INFO] [stderr]    Compiling serenity v0.8.0
[INFO] [stderr]    Compiling uwl v0.5.1
[INFO] [stderr]    Compiling kankyo v0.3.0
[INFO] [stderr]    Compiling ring v0.16.11
[INFO] [stderr]    Compiling backtrace-sys v0.1.34
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling http v0.2.0
[INFO] [stderr]    Compiling futures-channel v0.3.4
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling miniz_oxide v0.3.6
[INFO] [stderr]    Compiling unsafe-any v0.4.2
[INFO] [stderr]    Compiling lock_api v0.3.3
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling typemap v0.3.3
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling threadpool v1.7.1
[INFO] [stderr]    Compiling regex v1.3.5
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling flate2 v1.0.13
[INFO] [stderr]    Compiling sha-1 v0.8.2
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling url v2.1.1
[INFO] [stderr]    Compiling http v0.1.21
[INFO] [stderr]    Compiling input_buffer v0.2.0
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling tokio v0.2.13
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling backtrace v0.3.45
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling failure v0.1.7
[INFO] [stderr]    Compiling http-body v0.3.1
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling tungstenite v0.9.2
[INFO] [stderr]    Compiling webpki v0.21.2
[INFO] [stderr]    Compiling sct v0.6.0
[INFO] [stderr]    Compiling tokio-util v0.2.0
[INFO] [stderr]    Compiling ct-logs v0.6.0
[INFO] [stderr]    Compiling rustls v0.17.0
[INFO] [stderr]    Compiling webpki-roots v0.18.0
[INFO] [stderr]    Compiling rustls v0.16.0
[INFO] [stderr]    Compiling rustls-native-certs v0.3.0
[INFO] [stderr]    Compiling tokio-rustls v0.13.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling pin-project-internal v0.4.8
[INFO] [stderr]    Compiling command_attr v0.1.7
[INFO] [stderr]    Compiling leptonica-sys v0.2.1
[INFO] [stderr]    Compiling tesseract-sys v0.4.1
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling pin-project v0.4.8
[INFO] [stderr]    Compiling futures-util v0.3.4
[INFO] [stderr]    Compiling h2 v0.2.2
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling serde_json v1.0.48
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling hyper v0.13.3
[INFO] [stderr]    Compiling hyper-rustls v0.20.0
[INFO] [stderr]    Compiling reqwest v0.10.4
[INFO] [stderr]    Compiling leptess v0.8.1
[INFO] [stderr]    Compiling discordbot-tesseract v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/commands/read.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |     let mut pix = leptess::leptonica::pix_read(Path::new(filename)).unwrap();
[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: unused `Result` that must be used
[INFO] [stdout]   --> src/commands/read.rs:47:13
[INFO] [stdout]    |
[INFO] [stdout] 47 |             fs::remove_file(&filename);
[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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 33s
[INFO] running `Command { std: "docker" "inspect" "285b5f1ed6943f380b84fae957861f3128d3fffb763086922a106b57811ea348", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "285b5f1ed6943f380b84fae957861f3128d3fffb763086922a106b57811ea348", kill_on_drop: false }`
[INFO] [stdout] 285b5f1ed6943f380b84fae957861f3128d3fffb763086922a106b57811ea348
[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=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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "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] 4a27eb0f55d5286e4533cab76df832df35499a9fb069ae8d0897e34f00657026
[INFO] running `Command { std: "docker" "start" "-a" "4a27eb0f55d5286e4533cab76df832df35499a9fb069ae8d0897e34f00657026", kill_on_drop: false }`
[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 discordbot-tesseract v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/commands/read.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |     let mut pix = leptess::leptonica::pix_read(Path::new(filename)).unwrap();
[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: unused `Result` that must be used
[INFO] [stdout]   --> src/commands/read.rs:47:13
[INFO] [stdout]    |
[INFO] [stdout] 47 |             fs::remove_file(&filename);
[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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.37s
[INFO] running `Command { std: "docker" "inspect" "4a27eb0f55d5286e4533cab76df832df35499a9fb069ae8d0897e34f00657026", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a27eb0f55d5286e4533cab76df832df35499a9fb069ae8d0897e34f00657026", kill_on_drop: false }`
[INFO] [stdout] 4a27eb0f55d5286e4533cab76df832df35499a9fb069ae8d0897e34f00657026
[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=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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6287350af0ebf176c68f15d99c82e60200956e5e93e0c96b9b6bdd170c8eae8c
[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" "6287350af0ebf176c68f15d99c82e60200956e5e93e0c96b9b6bdd170c8eae8c", kill_on_drop: false }`
[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] 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 `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: `discordbot-tesseract` (bin "discordbot-tesseract" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.27s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/discordbot_tesseract-e6d780c49a7f1142)
[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" "6287350af0ebf176c68f15d99c82e60200956e5e93e0c96b9b6bdd170c8eae8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6287350af0ebf176c68f15d99c82e60200956e5e93e0c96b9b6bdd170c8eae8c", kill_on_drop: false }`
[INFO] [stdout] 6287350af0ebf176c68f15d99c82e60200956e5e93e0c96b9b6bdd170c8eae8c