[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] building cab/mdv against master#ff34b919075f35a1787659e9c448a34b06bab8de for issue-85264
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcab%2Fmdv" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cab/mdv on toolchain ff34b919075f35a1787659e9c448a34b06bab8de
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "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-3/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" "+ff34b919075f35a1787659e9c448a34b06bab8de" "fetch" "--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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "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] d3df6c2b4ee816c5003390551cd384e99718e62e99f6ee1cf81956ab9c7ad820
[INFO] running `Command { std: "docker" "start" "-a" "d3df6c2b4ee816c5003390551cd384e99718e62e99f6ee1cf81956ab9c7ad820", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3df6c2b4ee816c5003390551cd384e99718e62e99f6ee1cf81956ab9c7ad820", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3df6c2b4ee816c5003390551cd384e99718e62e99f6ee1cf81956ab9c7ad820", kill_on_drop: false }`
[INFO] [stdout] d3df6c2b4ee816c5003390551cd384e99718e62e99f6ee1cf81956ab9c7ad820
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3837e401bf454af20cb96f0d3d0a04325d3250c9fe2f5c659f21581bd3ab90ee
[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" "3837e401bf454af20cb96f0d3d0a04325d3250c9fe2f5c659f21581bd3ab90ee", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling bindgen v0.50.1
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling cairo-rs v0.7.1
[INFO] [stderr]    Compiling float-cmp v0.5.3
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling xmlparser v0.10.0
[INFO] [stderr]    Compiling xmlwriter v0.1.0
[INFO] [stderr]    Compiling unicode-vo v0.1.0
[INFO] [stderr]    Compiling ttf-parser v0.2.2
[INFO] [stderr]    Compiling pulldown-cmark v0.6.1
[INFO] [stderr]    Compiling rctree v0.3.3
[INFO] [stderr]    Compiling xml-rs v0.8.0
[INFO] [stderr]    Compiling unicode-script v0.3.0
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling indexmap v1.3.0
[INFO] [stderr]    Compiling tokio-sync v0.1.7
[INFO] [stderr]    Compiling data-url v0.1.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling try_from v0.3.2
[INFO] [stderr]    Compiling lock_api v0.3.2
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling miniz_oxide v0.3.5
[INFO] [stderr]    Compiling inflate v0.4.5
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling line-wrap v0.1.1
[INFO] [stderr]    Compiling svgtypes v0.5.0
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]    Compiling yaml-rust v0.4.3
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling roxmltree v0.7.3
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling openssl-sys v0.9.53
[INFO] [stderr]    Compiling cairo-sys-rs v0.9.2
[INFO] [stderr]    Compiling encoding_rs v0.8.22
[INFO] [stderr]    Compiling servo-freetype-sys v4.0.5
[INFO] [stderr]    Compiling harfbuzz-sys v0.3.3
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling num_cpus v1.11.1
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling signal-hook-registry v1.2.0
[INFO] [stderr]    Compiling parking_lot_core v0.7.0
[INFO] [stderr]    Compiling tokio-executor v0.1.9
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling hyper v0.12.35
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling smallvec v0.6.13
[INFO] [stderr]    Compiling want v0.2.0
[INFO] [stderr]    Compiling simplecss v0.2.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling flate2 v1.0.13
[INFO] [stderr]    Compiling libflate v0.1.27
[INFO] [stderr]    Compiling url v2.1.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling tokio-timer v0.2.12
[INFO] [stderr]    Compiling tokio-current-thread v0.1.6
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling parking_lot v0.10.0
[INFO] [stderr]    Compiling backtrace v0.3.40
[INFO] [stderr]    Compiling mime_guess v2.0.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling deflate v0.7.20
[INFO] [stderr]    Compiling jpeg-decoder v0.1.18
[INFO] [stderr]    Compiling kurbo v0.2.3
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling openssl v0.10.26
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]    Compiling cookie v0.12.0
[INFO] [stderr]    Compiling signal-hook v0.1.12
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling http v0.1.21
[INFO] [stderr]    Compiling tokio-buf v0.1.1
[INFO] [stderr]    Compiling string v0.2.1
[INFO] [stderr]    Compiling freetype v0.4.1
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling publicsuffix v1.5.4
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling png v0.15.2
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling crossterm v0.14.1
[INFO] [stderr]    Compiling tokio-reactor v0.1.11
[INFO] [stderr]    Compiling crossbeam-deque v0.7.2
[INFO] [stderr]    Compiling harfbuzz_rs v1.0.0
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling tokio-threadpool v0.1.17
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling usvg v0.8.0
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling http-body v0.1.0
[INFO] [stderr]    Compiling h2 v0.1.26
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling resvg v0.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling hyper-tls v0.3.2
[INFO] [stderr]    Compiling onig_sys v69.2.0
[INFO] [stderr]    Compiling serde_json v1.0.44
[INFO] [stderr]    Compiling plist v0.4.2
[INFO] [stderr]    Compiling serde_urlencoded v0.5.5
[INFO] [stderr]    Compiling bincode v1.2.1
[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>(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 2m 26s
[INFO] running `Command { std: "docker" "inspect" "3837e401bf454af20cb96f0d3d0a04325d3250c9fe2f5c659f21581bd3ab90ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3837e401bf454af20cb96f0d3d0a04325d3250c9fe2f5c659f21581bd3ab90ee", kill_on_drop: false }`
[INFO] [stdout] 3837e401bf454af20cb96f0d3d0a04325d3250c9fe2f5c659f21581bd3ab90ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "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] 866ab5741dac33387bbd81d24993f3d1e9df63dda09498546e432382606b0abd
[INFO] running `Command { std: "docker" "start" "-a" "866ab5741dac33387bbd81d24993f3d1e9df63dda09498546e432382606b0abd", 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>(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 1.90s
[INFO] running `Command { std: "docker" "inspect" "866ab5741dac33387bbd81d24993f3d1e9df63dda09498546e432382606b0abd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "866ab5741dac33387bbd81d24993f3d1e9df63dda09498546e432382606b0abd", kill_on_drop: false }`
[INFO] [stdout] 866ab5741dac33387bbd81d24993f3d1e9df63dda09498546e432382606b0abd
