[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] testing glfmn/watermark against beta-2022-02-22 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fglfmn%2Fwatermark" "/workspace/builds/worker-14/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/glfmn/watermark on toolchain beta-2022-02-22 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-14/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-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tiff v0.2.1 [INFO] [stderr] Downloaded rand_isaac v0.1.0 [INFO] [stderr] Downloaded syn v0.15.20 [INFO] [stderr] Downloaded proc-macro2 v0.4.23 [INFO] [stderr] Downloaded rand v0.6.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 189f16383fd73d29449563843f88181bc0a115cb7dedb8a8b2bcef13be328f25 [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" "189f16383fd73d29449563843f88181bc0a115cb7dedb8a8b2bcef13be328f25", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "189f16383fd73d29449563843f88181bc0a115cb7dedb8a8b2bcef13be328f25", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "189f16383fd73d29449563843f88181bc0a115cb7dedb8a8b2bcef13be328f25", kill_on_drop: false }` [INFO] [stdout] 189f16383fd73d29449563843f88181bc0a115cb7dedb8a8b2bcef13be328f25 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 038a9ef535bc695157993a98b1bb76a2b260167c7988760ab4d6519f054c6564 [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" "038a9ef535bc695157993a98b1bb76a2b260167c7988760ab4d6519f054c6564", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Compiling libc v0.2.43 [INFO] [stderr] Compiling proc-macro2 v0.4.23 [INFO] [stderr] Compiling cfg-if v0.1.6 [INFO] [stderr] Compiling nodrop v0.1.12 [INFO] [stderr] Compiling memoffset v0.2.1 [INFO] [stderr] Compiling scopeguard v0.3.3 [INFO] [stderr] Compiling rayon-core v1.4.1 [INFO] [stderr] Compiling lazy_static v1.2.0 [INFO] [stderr] Compiling rand_core v0.3.0 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Compiling byteorder v1.2.7 [INFO] [stderr] Compiling num-iter v0.1.37 [INFO] [stderr] Compiling rayon v1.0.3 [INFO] [stderr] Compiling num-derive v0.2.3 [INFO] [stderr] Compiling adler32 v1.0.3 [INFO] [stderr] Compiling num-rational v0.2.1 [INFO] [stderr] Compiling lzw v0.10.0 [INFO] [stderr] Compiling bitflags v1.0.4 [INFO] [stderr] Compiling either v1.5.0 [INFO] [stderr] Compiling color_quant v1.0.1 [INFO] [stderr] Compiling unicode-width v0.1.5 [INFO] [stderr] Compiling strsim v0.7.0 [INFO] [stderr] Compiling scoped_threadpool v0.1.9 [INFO] [stderr] Compiling crossbeam-utils v0.2.2 [INFO] [stderr] Compiling inflate v0.4.3 [INFO] [stderr] Compiling arrayvec v0.4.7 [INFO] [stderr] Compiling rand_xorshift v0.1.0 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_isaac v0.1.0 [INFO] [stderr] Compiling deflate v0.7.19 [INFO] [stderr] Compiling textwrap v0.10.0 [INFO] [stderr] Compiling gif v0.10.1 [INFO] [stderr] Compiling rand_pcg v0.1.1 [INFO] [stderr] Compiling rand_chacha v0.1.0 [INFO] [stderr] Compiling rand v0.6.0 [INFO] [stderr] Compiling num_cpus v1.8.0 [INFO] [stderr] Compiling atty v0.2.11 [INFO] [stderr] Compiling crossbeam-epoch v0.3.1 [INFO] [stderr] Compiling clap v2.32.0 [INFO] [stderr] Compiling crossbeam-deque v0.2.0 [INFO] [stderr] Compiling quote v0.6.10 [INFO] [stderr] Compiling syn v0.15.20 [INFO] [stderr] Compiling png v0.12.0 [INFO] [stderr] Compiling jpeg-decoder v0.1.15 [INFO] [stderr] Compiling tiff v0.2.1 [INFO] [stderr] Compiling image v0.20.1 [INFO] [stderr] Compiling 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: `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: unused `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] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 00s [INFO] running `Command { std: "docker" "inspect" "038a9ef535bc695157993a98b1bb76a2b260167c7988760ab4d6519f054c6564", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "038a9ef535bc695157993a98b1bb76a2b260167c7988760ab4d6519f054c6564", kill_on_drop: false }` [INFO] [stdout] 038a9ef535bc695157993a98b1bb76a2b260167c7988760ab4d6519f054c6564 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2e313ab01a3e4e91d5c59ec5f1b9d74da2ba9bdd74401993d9e314b39adb85ce [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" "2e313ab01a3e4e91d5c59ec5f1b9d74da2ba9bdd74401993d9e314b39adb85ce", kill_on_drop: false }` [INFO] [stderr] Compiling 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: `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: unused `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] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.89s [INFO] running `Command { std: "docker" "inspect" "2e313ab01a3e4e91d5c59ec5f1b9d74da2ba9bdd74401993d9e314b39adb85ce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2e313ab01a3e4e91d5c59ec5f1b9d74da2ba9bdd74401993d9e314b39adb85ce", kill_on_drop: false }` [INFO] [stdout] 2e313ab01a3e4e91d5c59ec5f1b9d74da2ba9bdd74401993d9e314b39adb85ce [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 062fea3df5a9c50cd40dcb281f27cb620d12b163a0ce49257be66e58b6beb86b [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" "062fea3df5a9c50cd40dcb281f27cb620d12b163a0ce49257be66e58b6beb86b", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unused import: `GenericImage` [INFO] [stderr] --> src/main.rs:7:31 [INFO] [stderr] | [INFO] [stderr] 7 | use image::{GenericImageView, GenericImage, ImageBuffer}; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `ImageBuffer` [INFO] [stderr] --> src/block.rs:1:45 [INFO] [stderr] | [INFO] [stderr] 1 | use image::{GenericImageView, GenericImage, ImageBuffer}; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: the item `HashMap` is imported redundantly [INFO] [stderr] --> src/kmeans.rs:8:9 [INFO] [stderr] | [INFO] [stderr] 4 | use std::collections::HashMap; [INFO] [stderr] | ------------------------- the item `HashMap` is already imported here [INFO] [stderr] ... [INFO] [stderr] 8 | use std::collections::HashMap; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `GenericImageView` [INFO] [stderr] --> src/main.rs:7:13 [INFO] [stderr] | [INFO] [stderr] 7 | use image::{GenericImageView, GenericImage, ImageBuffer}; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `rayon::prelude` [INFO] [stderr] --> src/block.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use rayon::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `row` [INFO] [stderr] --> src/main.rs:194:13 [INFO] [stderr] | [INFO] [stderr] 194 | let row = &permuted[start..end]; [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_row` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:173:13 [INFO] [stderr] | [INFO] [stderr] 173 | let mut permuted_row = &mut permuted[start..end]; [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/main.rs:200:5 [INFO] [stderr] | [INFO] [stderr] 200 | write_image(output, mark_width, mark_height, &extracted); [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: `watermark` (bin "watermark" test) generated 8 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.64s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/watermark-758b514e870f90b7) [INFO] [stdout] running 2 tests [INFO] [stdout] test block::block_test::dist ... ok [INFO] [stdout] test block::block_test::blocks_from_image ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.17s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "062fea3df5a9c50cd40dcb281f27cb620d12b163a0ce49257be66e58b6beb86b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "062fea3df5a9c50cd40dcb281f27cb620d12b163a0ce49257be66e58b6beb86b", kill_on_drop: false }` [INFO] [stdout] 062fea3df5a9c50cd40dcb281f27cb620d12b163a0ce49257be66e58b6beb86b