[INFO] cloning repository https://github.com/jacobmbr/cloudprint [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jacobmbr/cloudprint" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjacobmbr%2Fcloudprint", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjacobmbr%2Fcloudprint'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9f418a04bd6794cc4a79422f8808bf094a654f63 [INFO] checking jacobmbr/cloudprint against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjacobmbr%2Fcloudprint" "/workspace/builds/worker-13/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jacobmbr/cloudprint on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-13/source/.cargo/config [INFO] started tweaking git repo https://github.com/jacobmbr/cloudprint [INFO] finished tweaking git repo https://github.com/jacobmbr/cloudprint [INFO] tweaked toml for git repo https://github.com/jacobmbr/cloudprint written to /workspace/builds/worker-13/source/Cargo.toml [INFO] crate git repo https://github.com/jacobmbr/cloudprint already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "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] 21ff624cf096d369db7ca9c1d334490fb7c9bcc4b8b193bb422918cc140fdc2b [INFO] running `Command { std: "docker" "start" "-a" "21ff624cf096d369db7ca9c1d334490fb7c9bcc4b8b193bb422918cc140fdc2b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "21ff624cf096d369db7ca9c1d334490fb7c9bcc4b8b193bb422918cc140fdc2b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "21ff624cf096d369db7ca9c1d334490fb7c9bcc4b8b193bb422918cc140fdc2b", kill_on_drop: false }` [INFO] [stdout] 21ff624cf096d369db7ca9c1d334490fb7c9bcc4b8b193bb422918cc140fdc2b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3a19a0b1409b8465709b5a5d67d91c73fde884073c2db922379fcb2fadf6c1b7 [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" "3a19a0b1409b8465709b5a5d67d91c73fde884073c2db922379fcb2fadf6c1b7", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling libc v0.2.69 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Checking adler32 v1.0.4 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling rayon-core v1.7.0 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Checking color_quant v1.0.1 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Checking bytemuck v1.2.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Checking crc32fast v1.2.0 [INFO] [stderr] Checking inflate v0.4.5 [INFO] [stderr] Checking miniz_oxide v0.3.6 [INFO] [stderr] Checking gif v0.10.3 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.4 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Compiling num-iter v0.1.40 [INFO] [stderr] Compiling num-rational v0.2.4 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking getrandom v0.1.14 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking serial-core v0.4.0 [INFO] [stderr] Checking ioctl-rs v0.1.6 [INFO] [stderr] Checking termios v0.2.2 [INFO] [stderr] Checking nix v0.14.1 [INFO] [stderr] Checking deflate v0.7.20 [INFO] [stderr] Checking deflate v0.8.4 [INFO] [stderr] Checking tiff v0.4.0 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking serial-unix v0.4.0 [INFO] [stderr] Checking serial v0.4.0 [INFO] [stderr] Checking crossbeam-queue v0.2.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking png v0.16.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [INFO] [stderr] Checking rayon v1.3.0 [INFO] [stderr] Checking tempfile v3.1.0 [INFO] [stderr] Checking png v0.14.1 [INFO] [stderr] Compiling num-derive v0.2.5 [INFO] [stderr] Compiling structopt-derive v0.2.18 [INFO] [stderr] Checking serialport v3.3.0 [INFO] [stderr] Checking structopt v0.2.18 [INFO] [stderr] Checking jpeg-decoder v0.1.18 [INFO] [stderr] Checking tiff v0.2.2 [INFO] [stderr] Checking image v0.23.3 [INFO] [stderr] Checking image v0.21.3 [INFO] [stderr] Checking dither v1.3.7 [INFO] [stderr] Checking cloudprint v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/main.rs:29:5 [INFO] [stdout] | [INFO] [stdout] 28 | return; [INFO] [stdout] | ------ any code following this expression is unreachable [INFO] [stdout] 29 | let path = "/home/jacob/Desktop/dither/bulia/"; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/main.rs:29:5 [INFO] [stdout] | [INFO] [stdout] 28 | return; [INFO] [stdout] | ------ any code following this expression is unreachable [INFO] [stdout] 29 | let path = "/home/jacob/Desktop/dither/bulia/"; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | port.write(&[27, 55, 11, 120, 40]); [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: variable `printDensity` should have a snake case name [INFO] [stdout] --> src/main.rs:24:9 [INFO] [stdout] | [INFO] [stdout] 24 | let printDensity: u8 = 10; [INFO] [stdout] | ^^^^^^^^^^^^ help: convert the identifier to snake case: `print_density` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `printBreakTime` should have a snake case name [INFO] [stdout] --> src/main.rs:25:9 [INFO] [stdout] | [INFO] [stdout] 25 | let printBreakTime: u8 = 2; [INFO] [stdout] | ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `print_break_time` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 26 | port.write(&[18, 35, (printBreakTime << 5) | printDensity]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 27 | port.write(&[18, 84]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | port.write(&[27, 55, 11, 120, 40]); [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: variable `printDensity` should have a snake case name [INFO] [stdout] --> src/main.rs:24:9 [INFO] [stdout] | [INFO] [stdout] 24 | let printDensity: u8 = 10; [INFO] [stdout] | ^^^^^^^^^^^^ help: convert the identifier to snake case: `print_density` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `printBreakTime` should have a snake case name [INFO] [stdout] --> src/main.rs:25:9 [INFO] [stdout] | [INFO] [stdout] 25 | let printBreakTime: u8 = 2; [INFO] [stdout] | ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `print_break_time` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 26 | port.write(&[18, 35, (printBreakTime << 5) | printDensity]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 27 | port.write(&[18, 84]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 50.07s [INFO] running `Command { std: "docker" "inspect" "3a19a0b1409b8465709b5a5d67d91c73fde884073c2db922379fcb2fadf6c1b7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3a19a0b1409b8465709b5a5d67d91c73fde884073c2db922379fcb2fadf6c1b7", kill_on_drop: false }` [INFO] [stdout] 3a19a0b1409b8465709b5a5d67d91c73fde884073c2db922379fcb2fadf6c1b7