[INFO] cloning repository https://github.com/cab/mdv [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cab/mdv" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcab%2Fmdv", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcab%2Fmdv'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 253c2c0ac03a2eb35a5f7bc8e0345993d81a587c [INFO] testing cab/mdv against 1.60.0 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcab%2Fmdv" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cab/mdv 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/cab/mdv [INFO] finished tweaking git repo https://github.com/cab/mdv [INFO] tweaked toml for git repo https://github.com/cab/mdv written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/cab/mdv 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] Downloading crates ... [INFO] [stderr] Downloaded tokio-reactor v0.1.11 [INFO] [stderr] Downloaded crossterm v0.14.1 [INFO] [stderr] Downloaded rle-decode-fast v1.0.1 [INFO] [stderr] Downloaded security-framework-sys v0.3.3 [INFO] [stderr] Downloaded plist v0.4.2 [INFO] [stderr] Downloaded bindgen v0.50.1 [INFO] [stderr] Downloaded onig v5.0.0 [INFO] [stderr] Downloaded tokio-timer v0.2.12 [INFO] [stderr] Downloaded tokio-threadpool v0.1.17 [INFO] [stderr] Downloaded unicode-script v0.3.0 [INFO] [stderr] Downloaded signal-hook v0.1.12 [INFO] [stderr] Downloaded kurbo v0.2.3 [INFO] [stderr] Downloaded pulldown-cmark v0.6.1 [INFO] [stderr] Downloaded tokio-executor v0.1.9 [INFO] [stderr] Downloaded png v0.15.2 [INFO] [stderr] Downloaded syntect v3.3.0 [INFO] [stderr] Downloaded onig_sys v69.2.0 [INFO] [stderr] Downloaded libflate v0.1.27 [INFO] [stderr] Downloaded ttf-parser v0.2.2 [INFO] [stderr] Downloaded security-framework v0.3.4 [INFO] [stderr] Downloaded openssl v0.10.26 [INFO] [stderr] Downloaded xmlparser v0.10.0 [INFO] [stderr] Downloaded roxmltree v0.7.3 [INFO] [stderr] Downloaded resvg v0.8.0 [INFO] [stderr] Downloaded usvg v0.8.0 [INFO] [stderr] Downloaded harfbuzz-sys v0.3.3 [INFO] [stderr] Downloaded harfbuzz_rs v1.0.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stdout] 9874eadcfdd8bf1a87419ca7eb9e2a83473a6236b8f458f893d033852e003fc2 [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" "9874eadcfdd8bf1a87419ca7eb9e2a83473a6236b8f458f893d033852e003fc2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9874eadcfdd8bf1a87419ca7eb9e2a83473a6236b8f458f893d033852e003fc2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9874eadcfdd8bf1a87419ca7eb9e2a83473a6236b8f458f893d033852e003fc2", kill_on_drop: false }` [INFO] [stdout] 9874eadcfdd8bf1a87419ca7eb9e2a83473a6236b8f458f893d033852e003fc2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stdout] 701d6509a0a4f1cff0044a7331d7c151eaab0315764f92b9fadbaece324fab2f [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" "701d6509a0a4f1cff0044a7331d7c151eaab0315764f92b9fadbaece324fab2f", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling cc v1.0.48 [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Compiling syn v1.0.11 [INFO] [stderr] Compiling failure_derive v0.1.6 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling bindgen v0.50.1 [INFO] [stderr] Compiling getrandom v0.1.13 [INFO] [stderr] Compiling openssl v0.10.26 [INFO] [stderr] Compiling float-cmp v0.5.3 [INFO] [stderr] Compiling xmlparser v0.10.0 [INFO] [stderr] Compiling cairo-rs v0.7.1 [INFO] [stderr] Compiling xmlwriter v0.1.0 [INFO] [stderr] Compiling unicode-script v0.3.0 [INFO] [stderr] Compiling pulldown-cmark v0.6.1 [INFO] [stderr] Compiling rctree v0.3.3 [INFO] [stderr] Compiling mime v0.3.14 [INFO] [stderr] Compiling unicode-vo v0.1.0 [INFO] [stderr] Compiling ttf-parser v0.2.2 [INFO] [stderr] Compiling lock_api v0.3.2 [INFO] [stderr] Compiling indexmap v1.3.0 [INFO] [stderr] Compiling cairo-sys-rs v0.9.2 [INFO] [stderr] Compiling error-chain v0.12.1 [INFO] [stderr] Compiling try_from v0.3.2 [INFO] [stderr] Compiling tokio-sync v0.1.7 [INFO] [stderr] Compiling data-url v0.1.0 [INFO] [stderr] Compiling getopts v0.2.21 [INFO] [stderr] Compiling line-wrap v0.1.1 [INFO] [stderr] Compiling svgtypes v0.5.0 [INFO] [stderr] Compiling tokio-executor v0.1.9 [INFO] [stderr] Compiling idna v0.2.0 [INFO] [stderr] Compiling roxmltree v0.7.3 [INFO] [stderr] Compiling cmake v0.1.42 [INFO] [stderr] Compiling num_cpus v1.11.1 [INFO] [stderr] Compiling atty v0.2.13 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling parking_lot_core v0.7.0 [INFO] [stderr] Compiling memmap v0.7.0 [INFO] [stderr] Compiling jpeg-decoder v0.1.18 [INFO] [stderr] Compiling simplecss v0.2.0 [INFO] [stderr] Compiling nom v4.2.3 [INFO] [stderr] Compiling flate2 v1.0.13 [INFO] [stderr] Compiling libflate v0.1.27 [INFO] [stderr] Compiling kurbo v0.2.3 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Compiling tokio-current-thread v0.1.6 [INFO] [stderr] Compiling tokio-timer v0.2.12 [INFO] [stderr] Compiling png v0.15.2 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling futures-cpupool v0.1.8 [INFO] [stderr] Compiling regex v1.3.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling cookie v0.12.0 [INFO] [stderr] Compiling parking_lot v0.10.0 [INFO] [stderr] Compiling url v2.1.0 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling signal-hook v0.1.12 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling backtrace-sys v0.1.32 [INFO] [stderr] Compiling libloading v0.5.2 [INFO] [stderr] Compiling openssl-sys v0.9.53 [INFO] [stderr] Compiling servo-freetype-sys v4.0.5 [INFO] [stderr] Compiling harfbuzz-sys v0.3.3 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling tokio-io v0.1.12 [INFO] [stderr] Compiling http v0.1.21 [INFO] [stderr] Compiling string v0.2.1 [INFO] [stderr] Compiling tokio-buf v0.1.1 [INFO] [stderr] Compiling cexpr v0.3.6 [INFO] [stderr] Compiling rand_chacha v0.2.1 [INFO] [stderr] Compiling crossterm v0.14.1 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling uuid v0.7.4 [INFO] [stderr] Compiling env_logger v0.6.2 [INFO] [stderr] Compiling publicsuffix v1.5.4 [INFO] [stderr] Compiling mime_guess v2.0.1 [INFO] [stderr] Compiling rand v0.7.2 [INFO] [stderr] Compiling tokio-threadpool v0.1.17 [INFO] [stderr] Compiling tokio-reactor v0.1.11 [INFO] [stderr] Compiling native-tls v0.2.3 [INFO] [stderr] Compiling freetype v0.4.1 [INFO] [stderr] Compiling clang-sys v0.28.1 [INFO] [stderr] Compiling backtrace v0.3.40 [INFO] [stderr] Compiling tokio-tcp v0.1.3 [INFO] [stderr] Compiling tempfile v3.1.0 [INFO] [stderr] Compiling tokio v0.1.22 [INFO] [stderr] Compiling harfbuzz_rs v1.0.0 [INFO] [stderr] Compiling http-body v0.1.0 [INFO] [stderr] Compiling h2 v0.1.26 [INFO] [stderr] Compiling usvg v0.8.0 [INFO] [stderr] Compiling synstructure v0.12.3 [INFO] [stderr] Compiling resvg v0.8.0 [INFO] [stderr] Compiling hyper v0.12.35 [INFO] [stderr] Compiling serde_derive v1.0.104 [INFO] [stderr] Compiling hyper-tls v0.3.2 [INFO] [stderr] Compiling failure v0.1.6 [INFO] [stderr] Compiling which v2.0.1 [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Compiling onig_sys v69.2.0 [INFO] [stderr] Compiling serde_json v1.0.44 [INFO] [stderr] Compiling serde_urlencoded v0.5.5 [INFO] [stderr] Compiling bincode v1.2.1 [INFO] [stderr] Compiling plist v0.4.2 [INFO] [stderr] Compiling cookie_store v0.7.0 [INFO] [stderr] Compiling reqwest v0.9.24 [INFO] [stderr] Compiling onig v5.0.0 [INFO] [stderr] Compiling syntect v3.3.0 [INFO] [stderr] Compiling mdv v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `ClearType`, `Clear`, `Color`, `ExecutableCommand`, `Print`, `ResetColor`, `SetBackgroundColor`, `SetForegroundColor`, `cursor::Hide` [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | cursor::Hide, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 3 | style::{Color, Print, ResetColor, SetBackgroundColor, SetForegroundColor}, [INFO] [stdout] | ^^^^^ ^^^^^ ^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 4 | terminal::{Clear, ClearType}, [INFO] [stdout] | ^^^^^ ^^^^^^^^^ [INFO] [stdout] 5 | ExecutableCommand, Result, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `html` [INFO] [stdout] --> src/main.rs:7:22 [INFO] [stdout] | [INFO] [stdout] 7 | use pulldown_cmark::{html, Options, Parser}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Write`, `stdout` [INFO] [stdout] --> src/main.rs:9:15 [INFO] [stdout] | [INFO] [stdout] 9 | use std::io::{stdout, Write}; [INFO] [stdout] | ^^^^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `ClearType`, `Clear`, `Print`, `Result`, `cursor::Hide` [INFO] [stdout] --> src/main.rs:32:9 [INFO] [stdout] | [INFO] [stdout] 32 | cursor::Hide, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 33 | style::{ [INFO] [stdout] 34 | Attribute, Color, Print, ResetColor, SetAttribute, SetBackgroundColor, [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 37 | terminal::{Clear, ClearType}, [INFO] [stdout] | ^^^^^ ^^^^^^^^^ [INFO] [stdout] 38 | ExecutableCommand, Result, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> src/main.rs:42:9 [INFO] [stdout] | [INFO] [stdout] 42 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Arguments` [INFO] [stdout] --> src/main.rs:43:20 [INFO] [stdout] | [INFO] [stdout] 43 | use std::fmt::{Arguments, Write as FmtWrite}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ErrorKind` [INFO] [stdout] --> src/main.rs:44:25 [INFO] [stdout] | [INFO] [stdout] 44 | use std::io::{self, ErrorKind, Write}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `as_24_bit_terminal_escaped` [INFO] [stdout] --> src/main.rs:170:49 [INFO] [stdout] | [INFO] [stdout] 170 | ... use syntect::util::{as_24_bit_terminal_escaped, LinesWithEndings}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Write` [INFO] [stdout] --> src/main.rs:43:31 [INFO] [stdout] | [INFO] [stdout] 43 | use std::fmt::{Arguments, Write as FmtWrite}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/main.rs:76:44 [INFO] [stdout] | [INFO] [stdout] 76 | reqwest::get(url).map_err(|e| io::Error::from(io::ErrorKind::Other))?; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/main.rs:82:27 [INFO] [stdout] | [INFO] [stdout] 82 | .map_err(|e| io::Error::from(io::ErrorKind::Other))?; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/main.rs:88:92 [INFO] [stdout] | [INFO] [stdout] 88 | let content_type = mime::Mime::from_str(content_type.to_str().map_err(|e| ())?) [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/main.rs:89:35 [INFO] [stdout] | [INFO] [stdout] 89 | .map_err(|e| ())?; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/main.rs:98:35 [INFO] [stdout] | [INFO] [stdout] 98 | .map_err(|e| io::Error::from(io::ErrorKind::Other))?; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `saved` [INFO] [stdout] --> src/main.rs:105:25 [INFO] [stdout] | [INFO] [stdout] 105 | let saved = img.save_png(&tmp.path()); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_saved` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ty` [INFO] [stdout] --> src/main.rs:152:35 [INFO] [stdout] | [INFO] [stdout] 152 | Tag::Link(ty, url, title) => {} [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_ty` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `url` [INFO] [stdout] --> src/main.rs:152:39 [INFO] [stdout] | [INFO] [stdout] 152 | Tag::Link(ty, url, title) => {} [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_url` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `title` [INFO] [stdout] --> src/main.rs:152:44 [INFO] [stdout] | [INFO] [stdout] 152 | Tag::Link(ty, url, title) => {} [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_title` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `level` [INFO] [stdout] --> src/main.rs:153:38 [INFO] [stdout] | [INFO] [stdout] 153 | Tag::Heading(level) => self.style(SetAttribute(Attribute::Bold))?, [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_level` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ty` [INFO] [stdout] --> src/main.rs:154:36 [INFO] [stdout] | [INFO] [stdout] 154 | Tag::Image(ty, url, title) => { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_ty` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `level` [INFO] [stdout] --> src/main.rs:227:38 [INFO] [stdout] | [INFO] [stdout] 227 | Tag::Heading(level) => self.write_str("\n")?, [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_level` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:96:25 [INFO] [stdout] | [INFO] [stdout] 96 | let mut opt = resvg::Options::default(); [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: struct is never constructed: `WriteWrapper` [INFO] [stdout] --> src/main.rs:243:12 [INFO] [stdout] | [INFO] [stdout] 243 | struct WriteWrapper(W); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:117:13 [INFO] [stdout] | [INFO] [stdout] 117 | self.writer.execute(command); [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: 24 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3m 47s [INFO] running `Command { std: "docker" "inspect" "701d6509a0a4f1cff0044a7331d7c151eaab0315764f92b9fadbaece324fab2f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "701d6509a0a4f1cff0044a7331d7c151eaab0315764f92b9fadbaece324fab2f", kill_on_drop: false }` [INFO] [stdout] 701d6509a0a4f1cff0044a7331d7c151eaab0315764f92b9fadbaece324fab2f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 3d1f84d2b6c1f84f4ed85005675599d8def5147ccf1b5d54d13bdcd31e6c7b00 [INFO] running `Command { std: "docker" "start" "-a" "3d1f84d2b6c1f84f4ed85005675599d8def5147ccf1b5d54d13bdcd31e6c7b00", kill_on_drop: false }` [INFO] [stderr] Compiling mdv v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `ClearType`, `Clear`, `Color`, `ExecutableCommand`, `Print`, `ResetColor`, `SetBackgroundColor`, `SetForegroundColor`, `cursor::Hide` [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | cursor::Hide, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 3 | style::{Color, Print, ResetColor, SetBackgroundColor, SetForegroundColor}, [INFO] [stdout] | ^^^^^ ^^^^^ ^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 4 | terminal::{Clear, ClearType}, [INFO] [stdout] | ^^^^^ ^^^^^^^^^ [INFO] [stdout] 5 | ExecutableCommand, Result, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `html` [INFO] [stdout] --> src/main.rs:7:22 [INFO] [stdout] | [INFO] [stdout] 7 | use pulldown_cmark::{html, Options, Parser}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Write`, `stdout` [INFO] [stdout] --> src/main.rs:9:15 [INFO] [stdout] | [INFO] [stdout] 9 | use std::io::{stdout, Write}; [INFO] [stdout] | ^^^^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `ClearType`, `Clear`, `Print`, `Result`, `cursor::Hide` [INFO] [stdout] --> src/main.rs:32:9 [INFO] [stdout] | [INFO] [stdout] 32 | cursor::Hide, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 33 | style::{ [INFO] [stdout] 34 | Attribute, Color, Print, ResetColor, SetAttribute, SetBackgroundColor, [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 37 | terminal::{Clear, ClearType}, [INFO] [stdout] | ^^^^^ ^^^^^^^^^ [INFO] [stdout] 38 | ExecutableCommand, Result, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> src/main.rs:42:9 [INFO] [stdout] | [INFO] [stdout] 42 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Arguments` [INFO] [stdout] --> src/main.rs:43:20 [INFO] [stdout] | [INFO] [stdout] 43 | use std::fmt::{Arguments, Write as FmtWrite}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ErrorKind` [INFO] [stdout] --> src/main.rs:44:25 [INFO] [stdout] | [INFO] [stdout] 44 | use std::io::{self, ErrorKind, Write}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `as_24_bit_terminal_escaped` [INFO] [stdout] --> src/main.rs:170:49 [INFO] [stdout] | [INFO] [stdout] 170 | ... use syntect::util::{as_24_bit_terminal_escaped, LinesWithEndings}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Write` [INFO] [stdout] --> src/main.rs:43:31 [INFO] [stdout] | [INFO] [stdout] 43 | use std::fmt::{Arguments, Write as FmtWrite}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/main.rs:76:44 [INFO] [stdout] | [INFO] [stdout] 76 | reqwest::get(url).map_err(|e| io::Error::from(io::ErrorKind::Other))?; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/main.rs:82:27 [INFO] [stdout] | [INFO] [stdout] 82 | .map_err(|e| io::Error::from(io::ErrorKind::Other))?; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/main.rs:88:92 [INFO] [stdout] | [INFO] [stdout] 88 | let content_type = mime::Mime::from_str(content_type.to_str().map_err(|e| ())?) [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/main.rs:89:35 [INFO] [stdout] | [INFO] [stdout] 89 | .map_err(|e| ())?; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/main.rs:98:35 [INFO] [stdout] | [INFO] [stdout] 98 | .map_err(|e| io::Error::from(io::ErrorKind::Other))?; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `saved` [INFO] [stdout] --> src/main.rs:105:25 [INFO] [stdout] | [INFO] [stdout] 105 | let saved = img.save_png(&tmp.path()); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_saved` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ty` [INFO] [stdout] --> src/main.rs:152:35 [INFO] [stdout] | [INFO] [stdout] 152 | Tag::Link(ty, url, title) => {} [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_ty` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `url` [INFO] [stdout] --> src/main.rs:152:39 [INFO] [stdout] | [INFO] [stdout] 152 | Tag::Link(ty, url, title) => {} [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_url` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `title` [INFO] [stdout] --> src/main.rs:152:44 [INFO] [stdout] | [INFO] [stdout] 152 | Tag::Link(ty, url, title) => {} [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_title` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `level` [INFO] [stdout] --> src/main.rs:153:38 [INFO] [stdout] | [INFO] [stdout] 153 | Tag::Heading(level) => self.style(SetAttribute(Attribute::Bold))?, [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_level` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ty` [INFO] [stdout] --> src/main.rs:154:36 [INFO] [stdout] | [INFO] [stdout] 154 | Tag::Image(ty, url, title) => { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_ty` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `level` [INFO] [stdout] --> src/main.rs:227:38 [INFO] [stdout] | [INFO] [stdout] 227 | Tag::Heading(level) => self.write_str("\n")?, [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_level` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:96:25 [INFO] [stdout] | [INFO] [stdout] 96 | let mut opt = resvg::Options::default(); [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: struct is never constructed: `WriteWrapper` [INFO] [stdout] --> src/main.rs:243:12 [INFO] [stdout] | [INFO] [stdout] 243 | struct WriteWrapper(W); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:117:13 [INFO] [stdout] | [INFO] [stdout] 117 | self.writer.execute(command); [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: 24 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.02s [INFO] running `Command { std: "docker" "inspect" "3d1f84d2b6c1f84f4ed85005675599d8def5147ccf1b5d54d13bdcd31e6c7b00", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3d1f84d2b6c1f84f4ed85005675599d8def5147ccf1b5d54d13bdcd31e6c7b00", kill_on_drop: false }` [INFO] [stdout] 3d1f84d2b6c1f84f4ed85005675599d8def5147ccf1b5d54d13bdcd31e6c7b00 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] e2fb5e11e0c410353973f0f83a9288922b5f6e3e0e61edb93f6923d40f25e334 [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" "e2fb5e11e0c410353973f0f83a9288922b5f6e3e0e61edb93f6923d40f25e334", kill_on_drop: false }` [INFO] [stderr] warning: unused imports: `ClearType`, `Clear`, `Color`, `ExecutableCommand`, `Print`, `ResetColor`, `SetBackgroundColor`, `SetForegroundColor`, `cursor::Hide` [INFO] [stderr] --> src/main.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | cursor::Hide, [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] 3 | style::{Color, Print, ResetColor, SetBackgroundColor, SetForegroundColor}, [INFO] [stderr] | ^^^^^ ^^^^^ ^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] 4 | terminal::{Clear, ClearType}, [INFO] [stderr] | ^^^^^ ^^^^^^^^^ [INFO] [stderr] 5 | ExecutableCommand, Result, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `html` [INFO] [stderr] --> src/main.rs:7:22 [INFO] [stderr] | [INFO] [stderr] 7 | use pulldown_cmark::{html, Options, Parser}; [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Write`, `stdout` [INFO] [stderr] --> src/main.rs:9:15 [INFO] [stderr] | [INFO] [stderr] 9 | use std::io::{stdout, Write}; [INFO] [stderr] | ^^^^^^ ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `ClearType`, `Clear`, `Print`, `Result`, `cursor::Hide` [INFO] [stderr] --> src/main.rs:32:9 [INFO] [stderr] | [INFO] [stderr] 32 | cursor::Hide, [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] 33 | style::{ [INFO] [stderr] 34 | Attribute, Color, Print, ResetColor, SetAttribute, SetBackgroundColor, [INFO] [stderr] | ^^^^^ [INFO] [stderr] ... [INFO] [stderr] 37 | terminal::{Clear, ClearType}, [INFO] [stderr] | ^^^^^ ^^^^^^^^^ [INFO] [stderr] 38 | ExecutableCommand, Result, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::collections::HashMap` [INFO] [stderr] --> src/main.rs:42:9 [INFO] [stderr] | [INFO] [stderr] 42 | use std::collections::HashMap; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Arguments` [INFO] [stderr] --> src/main.rs:43:20 [INFO] [stderr] | [INFO] [stderr] 43 | use std::fmt::{Arguments, Write as FmtWrite}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `ErrorKind` [INFO] [stderr] --> src/main.rs:44:25 [INFO] [stderr] | [INFO] [stderr] 44 | use std::io::{self, ErrorKind, Write}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `as_24_bit_terminal_escaped` [INFO] [stderr] --> src/main.rs:170:49 [INFO] [stderr] | [INFO] [stderr] 170 | ... use syntect::util::{as_24_bit_terminal_escaped, LinesWithEndings}; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Write` [INFO] [stderr] --> src/main.rs:43:31 [INFO] [stderr] | [INFO] [stderr] 43 | use std::fmt::{Arguments, Write as FmtWrite}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/main.rs:76:44 [INFO] [stderr] | [INFO] [stderr] 76 | reqwest::get(url).map_err(|e| io::Error::from(io::ErrorKind::Other))?; [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/main.rs:82:27 [INFO] [stderr] | [INFO] [stderr] 82 | .map_err(|e| io::Error::from(io::ErrorKind::Other))?; [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/main.rs:88:92 [INFO] [stderr] | [INFO] [stderr] 88 | let content_type = mime::Mime::from_str(content_type.to_str().map_err(|e| ())?) [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/main.rs:89:35 [INFO] [stderr] | [INFO] [stderr] 89 | .map_err(|e| ())?; [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/main.rs:98:35 [INFO] [stderr] | [INFO] [stderr] 98 | .map_err(|e| io::Error::from(io::ErrorKind::Other))?; [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `saved` [INFO] [stderr] --> src/main.rs:105:25 [INFO] [stderr] | [INFO] [stderr] 105 | let saved = img.save_png(&tmp.path()); [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_saved` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `ty` [INFO] [stderr] --> src/main.rs:152:35 [INFO] [stderr] | [INFO] [stderr] 152 | Tag::Link(ty, url, title) => {} [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_ty` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `url` [INFO] [stderr] --> src/main.rs:152:39 [INFO] [stderr] | [INFO] [stderr] 152 | Tag::Link(ty, url, title) => {} [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_url` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `title` [INFO] [stderr] --> src/main.rs:152:44 [INFO] [stderr] | [INFO] [stderr] 152 | Tag::Link(ty, url, title) => {} [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_title` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `level` [INFO] [stderr] --> src/main.rs:153:38 [INFO] [stderr] | [INFO] [stderr] 153 | Tag::Heading(level) => self.style(SetAttribute(Attribute::Bold))?, [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_level` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `ty` [INFO] [stderr] --> src/main.rs:154:36 [INFO] [stderr] | [INFO] [stderr] 154 | Tag::Image(ty, url, title) => { [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_ty` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `level` [INFO] [stderr] --> src/main.rs:227:38 [INFO] [stderr] | [INFO] [stderr] 227 | Tag::Heading(level) => self.write_str("\n")?, [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_level` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:96:25 [INFO] [stderr] | [INFO] [stderr] 96 | let mut opt = resvg::Options::default(); [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: struct is never constructed: `WriteWrapper` [INFO] [stderr] --> src/main.rs:243:12 [INFO] [stderr] | [INFO] [stderr] 243 | struct WriteWrapper(W); [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:117:13 [INFO] [stderr] | [INFO] [stderr] 117 | self.writer.execute(command); [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: `mdv` (bin "mdv" test) generated 24 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.37s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/mdv-21b3dca7ddd4f10d) [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" "e2fb5e11e0c410353973f0f83a9288922b5f6e3e0e61edb93f6923d40f25e334", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e2fb5e11e0c410353973f0f83a9288922b5f6e3e0e61edb93f6923d40f25e334", kill_on_drop: false }` [INFO] [stdout] e2fb5e11e0c410353973f0f83a9288922b5f6e3e0e61edb93f6923d40f25e334