[INFO] cloning repository https://github.com/Geemili/mdproof
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Geemili/mdproof" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGeemili%2Fmdproof", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGeemili%2Fmdproof'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7cbd275d01f9eb25acf04c258ad2aa6878ce9151
[INFO] checking Geemili/mdproof against try#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGeemili%2Fmdproof" "/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/Geemili/mdproof on toolchain 3bb2879ea9e58d65b875f9a98df44f4a43ce2597
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Geemili/mdproof
[INFO] finished tweaking git repo https://github.com/Geemili/mdproof
[INFO] tweaked toml for git repo https://github.com/Geemili/mdproof written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/Geemili/mdproof already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pom v1.1.0
[INFO] [stderr]   Downloaded lopdf v0.17.0
[INFO] [stderr]   Downloaded structopt-derive v0.2.13
[INFO] [stderr]   Downloaded quicli v0.3.1
[INFO] [stderr]   Downloaded structopt v0.2.13
[INFO] [stderr]   Downloaded approx v0.3.0
[INFO] [stderr]   Downloaded clap-verbosity-flag v0.1.0
[INFO] [stderr]   Downloaded quick-xml v0.13.1
[INFO] [stderr]   Downloaded printpdf v0.2.10
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "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] f38046afe6ab4e048986efb43c9ea474f0d569c341f3b858baa7348fae6af808
[INFO] running `Command { std: "docker" "start" "-a" "f38046afe6ab4e048986efb43c9ea474f0d569c341f3b858baa7348fae6af808", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f38046afe6ab4e048986efb43c9ea474f0d569c341f3b858baa7348fae6af808", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f38046afe6ab4e048986efb43c9ea474f0d569c341f3b858baa7348fae6af808", kill_on_drop: false }`
[INFO] [stdout] f38046afe6ab4e048986efb43c9ea474f0d569c341f3b858baa7348fae6af808
[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=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" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b9b38d96e2cf515aae44e367645dcd9b757f2b95a8ae0847e7e8d7261f984b65
[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" "b9b38d96e2cf515aae44e367645dcd9b757f2b95a8ae0847e7e8d7261f984b65", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling cc v1.0.25
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]    Compiling num-derive v0.2.3
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]     Checking rustc-demangle v0.1.9
[INFO] [stderr]     Checking adler32 v1.0.3
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]    Compiling encoding_rs v0.8.13
[INFO] [stderr]     Checking termcolor v1.0.4
[INFO] [stderr]     Checking pom v1.1.0
[INFO] [stderr]     Checking itoa v0.3.4
[INFO] [stderr]     Checking dtoa v0.4.3
[INFO] [stderr]    Compiling pulldown-cmark v0.2.0
[INFO] [stderr]     Checking linked-hash-map v0.3.0
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]    Compiling heck v0.3.0
[INFO] [stderr]     Checking gif v0.10.1
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking arrayvec v0.4.8
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]     Checking getopts v0.2.18
[INFO] [stderr]     Checking regex-syntax v0.6.3
[INFO] [stderr]     Checking inflate v0.4.3
[INFO] [stderr]     Checking humantime v1.2.0
[INFO] [stderr]     Checking deflate v0.7.19
[INFO] [stderr]     Checking stb_truetype v0.2.4
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling miniz-sys v0.1.11
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]     Checking memchr v2.1.1
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]    Compiling syn v0.15.22
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking approx v0.3.0
[INFO] [stderr]     Checking ordered-float v1.0.1
[INFO] [stderr]     Checking rusttype v0.7.3
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]     Checking flate2 v0.2.20
[INFO] [stderr]     Checking backtrace v0.3.9
[INFO] [stderr]     Checking regex v1.0.6
[INFO] [stderr]     Checking lopdf v0.17.0
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling structopt-derive v0.2.13
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]     Checking failure v0.1.3
[INFO] [stderr]     Checking quick-xml v0.13.1
[INFO] [stderr]     Checking structopt v0.2.13
[INFO] [stderr]     Checking clap-verbosity-flag v0.1.0
[INFO] [stderr]     Checking tiff v0.2.1
[INFO] [stderr]     Checking image v0.20.1
[INFO] [stderr]     Checking quicli v0.3.1
[INFO] [stderr]     Checking printpdf v0.2.10
[INFO] [stderr]     Checking mdproof v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `set_config`
[INFO] [stdout]   --> src/resources.rs:91:12
[INFO] [stdout]    |
[INFO] [stdout] 91 |     pub fn set_config(&mut self, config: Config) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `is_alt_text`
[INFO] [stdout]   --> src/sectioner.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     is_alt_text: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `BlockQuote`
[INFO] [stdout]   --> src/style.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     BlockQuote(u8),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Note`
[INFO] [stdout]   --> src/style.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Note,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Link`
[INFO] [stdout]   --> src/style.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     Link,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Superscript`
[INFO] [stdout]   --> src/style.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     Superscript,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_config`
[INFO] [stdout]   --> src/resources.rs:91:12
[INFO] [stdout]    |
[INFO] [stdout] 91 |     pub fn set_config(&mut self, config: Config) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `is_alt_text`
[INFO] [stdout]   --> src/sectioner.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     is_alt_text: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `BlockQuote`
[INFO] [stdout]   --> src/style.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     BlockQuote(u8),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Note`
[INFO] [stdout]   --> src/style.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Note,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Link`
[INFO] [stdout]   --> src/style.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     Link,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Superscript`
[INFO] [stdout]   --> src/style.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     Superscript,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.18s
[INFO] running `Command { std: "docker" "inspect" "b9b38d96e2cf515aae44e367645dcd9b757f2b95a8ae0847e7e8d7261f984b65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9b38d96e2cf515aae44e367645dcd9b757f2b95a8ae0847e7e8d7261f984b65", kill_on_drop: false }`
[INFO] [stdout] b9b38d96e2cf515aae44e367645dcd9b757f2b95a8ae0847e7e8d7261f984b65