[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 master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGeemili%2Fmdproof" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Geemili/mdproof on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "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-6-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded syn v0.15.22 [INFO] [stderr] Downloaded deflate v0.7.19 [INFO] [stderr] Downloaded crossbeam-utils v0.2.2 [INFO] [stderr] Downloaded jpeg-decoder v0.1.15 [INFO] [stderr] Downloaded miniz-sys v0.1.11 [INFO] [stderr] Downloaded num_cpus v1.8.0 [INFO] [stderr] Downloaded gif v0.10.1 [INFO] [stderr] Downloaded failure v0.1.3 [INFO] [stderr] Downloaded regex-syntax v0.6.3 [INFO] [stderr] Downloaded backtrace-sys v0.1.24 [INFO] [stderr] Downloaded tiff v0.2.1 [INFO] [stderr] Downloaded stb_truetype v0.2.4 [INFO] [stderr] Downloaded libc v0.2.44 [INFO] [stderr] Downloaded crossbeam-deque v0.2.0 [INFO] [stderr] Downloaded encoding_rs v0.8.13 [INFO] [stderr] Downloaded rayon-core v1.4.1 [INFO] [stderr] Downloaded printpdf v0.2.10 [INFO] [stderr] Downloaded rayon v1.0.3 [INFO] [stderr] Downloaded serde_derive v1.0.80 [INFO] [stderr] Downloaded redox_syscall v0.1.43 [INFO] [stderr] Downloaded heck v0.3.0 [INFO] [stderr] Downloaded num-rational v0.2.1 [INFO] [stderr] 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[stderr] Downloaded ordered-float v1.0.1 [INFO] [stderr] Downloaded rusttype v0.7.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 98a8d9ce5cbe666aae6b799c6e5df856389794d0994124c154a26fd4cd6dd393 [INFO] running `Command { std: "docker" "start" "-a" "98a8d9ce5cbe666aae6b799c6e5df856389794d0994124c154a26fd4cd6dd393", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "98a8d9ce5cbe666aae6b799c6e5df856389794d0994124c154a26fd4cd6dd393", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "98a8d9ce5cbe666aae6b799c6e5df856389794d0994124c154a26fd4cd6dd393", kill_on_drop: false }` [INFO] [stdout] 98a8d9ce5cbe666aae6b799c6e5df856389794d0994124c154a26fd4cd6dd393 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0c83f1e84386a19c043208da599df1b184ac3a764ad24c4ad3962f30b52eab3d [INFO] running `Command { std: "docker" "start" "-a" "0c83f1e84386a19c043208da599df1b184ac3a764ad24c4ad3962f30b52eab3d", 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 num-traits v0.2.6 [INFO] [stderr] Compiling cc v1.0.25 [INFO] [stderr] Checking lazy_static v1.2.0 [INFO] [stderr] Checking nodrop v0.1.13 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Checking byteorder v1.2.7 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Checking encoding_index_tests v0.1.4 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Compiling rayon-core v1.4.1 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Compiling failure_derive v0.1.3 [INFO] [stderr] Checking crossbeam-utils v0.2.2 [INFO] [stderr] Compiling rayon v1.0.3 [INFO] [stderr] Checking rustc-demangle v0.1.9 [INFO] [stderr] Compiling unicode-segmentation v1.2.1 [INFO] [stderr] Checking adler32 v1.0.3 [INFO] [stderr] Checking either v1.5.0 [INFO] [stderr] Checking arrayvec v0.4.8 [INFO] [stderr] Compiling num-iter v0.1.37 [INFO] [stderr] Compiling regex v1.0.6 [INFO] [stderr] Checking ucd-util v0.1.3 [INFO] [stderr] Compiling num-derive v0.2.3 [INFO] [stderr] Checking regex-syntax v0.6.3 [INFO] [stderr] Checking textwrap v0.10.0 [INFO] [stderr] Compiling heck v0.3.0 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Checking lzw v0.10.0 [INFO] [stderr] Checking utf8-ranges v1.0.2 [INFO] [stderr] Compiling memchr v2.1.1 [INFO] [stderr] Checking crossbeam-epoch v0.3.1 [INFO] [stderr] Checking quick-error v1.2.2 [INFO] [stderr] Compiling num-rational v0.2.1 [INFO] [stderr] Checking deflate v0.7.19 [INFO] [stderr] Checking inflate v0.4.3 [INFO] [stderr] Checking humantime v1.2.0 [INFO] [stderr] Checking encoding-index-singlebyte v1.20141219.5 [INFO] [stderr] Checking crossbeam-deque v0.2.0 [INFO] [stderr] Checking encoding-index-japanese v1.20141219.5 [INFO] [stderr] Checking encoding-index-tradchinese v1.20141219.5 [INFO] [stderr] Checking encoding-index-simpchinese v1.20141219.5 [INFO] [stderr] Checking encoding-index-korean v1.20141219.5 [INFO] [stderr] Compiling serde v1.0.80 [INFO] [stderr] Checking termcolor v1.0.4 [INFO] [stderr] Compiling encoding_rs v0.8.13 [INFO] [stderr] Checking color_quant v1.0.1 [INFO] [stderr] Checking stb_truetype v0.2.4 [INFO] [stderr] Compiling pulldown-cmark v0.2.0 [INFO] [stderr] Checking gif v0.10.1 [INFO] [stderr] Checking pom v1.1.0 [INFO] [stderr] Checking linked-hash-map v0.3.0 [INFO] [stderr] Checking dtoa v0.4.3 [INFO] [stderr] Checking num_cpus v1.8.0 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Compiling quote v0.6.10 [INFO] [stderr] Checking clap v2.32.0 [INFO] [stderr] Checking aho-corasick v0.6.9 [INFO] [stderr] Compiling syn v0.15.22 [INFO] [stderr] Checking encoding v0.2.33 [INFO] [stderr] Checking time v0.1.40 [INFO] [stderr] Checking itoa v0.3.4 [INFO] [stderr] Compiling backtrace-sys v0.1.24 [INFO] [stderr] Compiling miniz-sys v0.1.11 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Checking getopts v0.2.18 [INFO] [stderr] Checking glob v0.2.11 [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 png v0.12.0 [INFO] [stderr] Checking flate2 v0.2.20 [INFO] [stderr] Checking lopdf v0.17.0 [INFO] [stderr] Checking backtrace v0.3.9 [INFO] [stderr] Checking jpeg-decoder v0.1.15 [INFO] [stderr] Checking env_logger v0.5.13 [INFO] [stderr] Compiling synstructure v0.10.1 [INFO] [stderr] Compiling structopt-derive v0.2.13 [INFO] [stderr] Compiling serde_derive v1.0.80 [INFO] [stderr] Checking structopt v0.2.13 [INFO] [stderr] Checking failure v0.1.3 [INFO] [stderr] Checking tiff v0.2.1 [INFO] [stderr] Checking clap-verbosity-flag v0.1.0 [INFO] [stderr] Checking quick-xml v0.13.1 [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: the item `image` is imported redundantly [INFO] [stdout] --> src/resources.rs:2:13 [INFO] [stdout] | [INFO] [stdout] 2 | use image::{self, DynamicImage}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | extern crate image; [INFO] [stdout] | ------------------- the item `image` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `image` is imported redundantly [INFO] [stdout] --> src/resources.rs:2:13 [INFO] [stdout] | [INFO] [stdout] 2 | use image::{self, DynamicImage}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | extern crate image; [INFO] [stdout] | ------------------- the item `image` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/atomizer.rs:49:10 [INFO] [stdout] | [INFO] [stdout] 49 | List(Option), [INFO] [stdout] | ---- ^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 49 | List(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `queue_font` is never used [INFO] [stdout] --> src/resources.rs:21:8 [INFO] [stdout] | [INFO] [stdout] 20 | pub trait Loader { [INFO] [stdout] | ------ method in this trait [INFO] [stdout] 21 | fn queue_font(&mut self, path: &str); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `set_config` is never used [INFO] [stdout] --> src/resources.rs:91:12 [INFO] [stdout] | [INFO] [stdout] 39 | impl Resources { [INFO] [stdout] | -------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 91 | pub fn set_config(&mut self, config: Config) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `BlockQuote`, `Note`, `Link`, and `Superscript` are never constructed [INFO] [stdout] --> src/style.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 7 | pub enum Class { [INFO] [stdout] | ----- variants in this enum [INFO] [stdout] ... [INFO] [stdout] 10 | BlockQuote(u8), [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 14 | Note, [INFO] [stdout] | ^^^^ [INFO] [stdout] 15 | Link, [INFO] [stdout] | ^^^^ [INFO] [stdout] 16 | Superscript, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Class` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/atomizer.rs:49:10 [INFO] [stdout] | [INFO] [stdout] 49 | List(Option), [INFO] [stdout] | ---- ^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 49 | List(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `queue_font` is never used [INFO] [stdout] --> src/resources.rs:21:8 [INFO] [stdout] | [INFO] [stdout] 20 | pub trait Loader { [INFO] [stdout] | ------ method in this trait [INFO] [stdout] 21 | fn queue_font(&mut self, path: &str); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `set_config` is never used [INFO] [stdout] --> src/resources.rs:91:12 [INFO] [stdout] | [INFO] [stdout] 39 | impl Resources { [INFO] [stdout] | -------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 91 | pub fn set_config(&mut self, config: Config) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `BlockQuote`, `Note`, `Link`, and `Superscript` are never constructed [INFO] [stdout] --> src/style.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 7 | pub enum Class { [INFO] [stdout] | ----- variants in this enum [INFO] [stdout] ... [INFO] [stdout] 10 | BlockQuote(u8), [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 14 | Note, [INFO] [stdout] | ^^^^ [INFO] [stdout] 15 | Link, [INFO] [stdout] | ^^^^ [INFO] [stdout] 16 | Superscript, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Class` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.95s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: quick-xml v0.13.1 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3` [INFO] running `Command { std: "docker" "inspect" "0c83f1e84386a19c043208da599df1b184ac3a764ad24c4ad3962f30b52eab3d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0c83f1e84386a19c043208da599df1b184ac3a764ad24c4ad3962f30b52eab3d", kill_on_drop: false }` [INFO] [stdout] 0c83f1e84386a19c043208da599df1b184ac3a764ad24c4ad3962f30b52eab3d