[INFO] cloning repository https://github.com/glfmn/watermark [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/glfmn/watermark" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fglfmn%2Fwatermark", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fglfmn%2Fwatermark'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] da8878290702e62d9772fc0e82a3db1805e1b990 [INFO] checking glfmn/watermark against beta for pr-78714 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fglfmn%2Fwatermark" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/glfmn/watermark on toolchain beta [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/glfmn/watermark [INFO] finished tweaking git repo https://github.com/glfmn/watermark [INFO] tweaked toml for git repo https://github.com/glfmn/watermark written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/glfmn/watermark already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "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] 7156919cf55117a468a678e875dfb63ed2254075a80fb97d6db24b76fc3624cd [INFO] running `Command { std: "docker" "start" "-a" "7156919cf55117a468a678e875dfb63ed2254075a80fb97d6db24b76fc3624cd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7156919cf55117a468a678e875dfb63ed2254075a80fb97d6db24b76fc3624cd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7156919cf55117a468a678e875dfb63ed2254075a80fb97d6db24b76fc3624cd", kill_on_drop: false }` [INFO] [stdout] 7156919cf55117a468a678e875dfb63ed2254075a80fb97d6db24b76fc3624cd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8e4dd97a4b21af59dd2d88204fbaae5a383c0729d4847fa2d90a8219b8d4fbd5 [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" "8e4dd97a4b21af59dd2d88204fbaae5a383c0729d4847fa2d90a8219b8d4fbd5", kill_on_drop: false }` [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Compiling proc-macro2 v0.4.23 [INFO] [stderr] Checking nodrop v0.1.12 [INFO] [stderr] Checking cfg-if v0.1.6 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Checking lazy_static v1.2.0 [INFO] [stderr] Checking rand_core v0.3.0 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Compiling rayon-core v1.4.1 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Checking byteorder v1.2.7 [INFO] [stderr] Compiling num-derive v0.2.3 [INFO] [stderr] Compiling rayon v1.0.3 [INFO] [stderr] Compiling num-iter v0.1.37 [INFO] [stderr] Checking adler32 v1.0.3 [INFO] [stderr] Checking lzw v0.10.0 [INFO] [stderr] Compiling num-rational v0.2.1 [INFO] [stderr] Checking either v1.5.0 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking color_quant v1.0.1 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking strsim v0.7.0 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking num_cpus v1.8.0 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking crossbeam-utils v0.2.2 [INFO] [stderr] Checking arrayvec v0.4.7 [INFO] [stderr] Checking inflate v0.4.3 [INFO] [stderr] Checking rand_isaac v0.1.0 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_xorshift v0.1.0 [INFO] [stderr] Checking textwrap v0.10.0 [INFO] [stderr] Checking gif v0.10.1 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking deflate v0.7.19 [INFO] [stderr] Checking clap v2.32.0 [INFO] [stderr] Checking crossbeam-epoch v0.3.1 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking crossbeam-deque v0.2.0 [INFO] [stderr] Compiling rand_chacha v0.1.0 [INFO] [stderr] Compiling rand_pcg v0.1.1 [INFO] [stderr] Compiling rand v0.6.0 [INFO] [stderr] Compiling quote v0.6.10 [INFO] [stderr] Compiling syn v0.15.20 [INFO] [stderr] Checking png v0.12.0 [INFO] [stderr] Checking jpeg-decoder v0.1.15 [INFO] [stderr] Checking tiff v0.2.1 [INFO] [stderr] Checking image v0.20.1 [INFO] [stderr] Checking watermark v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `GenericImage` [INFO] [stdout] --> src/main.rs:7:31 [INFO] [stdout] | [INFO] [stdout] 7 | use image::{GenericImageView, GenericImage, ImageBuffer}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ImageBuffer` [INFO] [stdout] --> src/block.rs:1:45 [INFO] [stdout] | [INFO] [stdout] 1 | use image::{GenericImageView, GenericImage, ImageBuffer}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `HashMap` is imported redundantly [INFO] [stdout] --> src/kmeans.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 4 | use std::collections::HashMap; [INFO] [stdout] | ------------------------- the item `HashMap` is already imported here [INFO] [stdout] ... [INFO] [stdout] 8 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `GenericImage` [INFO] [stdout] --> src/main.rs:7:31 [INFO] [stdout] | [INFO] [stdout] 7 | use image::{GenericImageView, GenericImage, ImageBuffer}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ImageBuffer` [INFO] [stdout] --> src/block.rs:1:45 [INFO] [stdout] | [INFO] [stdout] 1 | use image::{GenericImageView, GenericImage, ImageBuffer}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `HashMap` is imported redundantly [INFO] [stdout] --> src/kmeans.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 4 | use std::collections::HashMap; [INFO] [stdout] | ------------------------- the item `HashMap` is already imported here [INFO] [stdout] ... [INFO] [stdout] 8 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `GenericImageView` [INFO] [stdout] --> src/main.rs:7:13 [INFO] [stdout] | [INFO] [stdout] 7 | use image::{GenericImageView, GenericImage, ImageBuffer}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rayon::prelude` [INFO] [stdout] --> src/block.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use rayon::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `row` [INFO] [stdout] --> src/main.rs:194:13 [INFO] [stdout] | [INFO] [stdout] 194 | let row = &permuted[start..end]; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_row` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `GenericImageView` [INFO] [stdout] --> src/main.rs:7:13 [INFO] [stdout] | [INFO] [stdout] 7 | use image::{GenericImageView, GenericImage, ImageBuffer}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rayon::prelude` [INFO] [stdout] --> src/block.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use rayon::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `row` [INFO] [stdout] --> src/main.rs:194:13 [INFO] [stdout] | [INFO] [stdout] 194 | let row = &permuted[start..end]; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_row` [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:173:13 [INFO] [stdout] | [INFO] [stdout] 173 | let mut permuted_row = &mut permuted[start..end]; [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:173:13 [INFO] [stdout] | [INFO] [stdout] 173 | let mut permuted_row = &mut permuted[start..end]; [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 `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:200:5 [INFO] [stdout] | [INFO] [stdout] 200 | write_image(output, mark_width, mark_height, &extracted); [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: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:200:5 [INFO] [stdout] | [INFO] [stdout] 200 | write_image(output, mark_width, mark_height, &extracted); [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: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 39.83s [INFO] running `Command { std: "docker" "inspect" "8e4dd97a4b21af59dd2d88204fbaae5a383c0729d4847fa2d90a8219b8d4fbd5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8e4dd97a4b21af59dd2d88204fbaae5a383c0729d4847fa2d90a8219b8d4fbd5", kill_on_drop: false }` [INFO] [stdout] 8e4dd97a4b21af59dd2d88204fbaae5a383c0729d4847fa2d90a8219b8d4fbd5