[INFO] fetching crate md2tex 0.1.3...
[INFO] checking md2tex-0.1.3 against master#0a8629bff642c3c3b84bb644c0099194f063b627 for pr-86231
[INFO] extracting crate md2tex 0.1.3 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate md2tex 0.1.3 on toolchain 0a8629bff642c3c3b84bb644c0099194f063b627
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate md2tex 0.1.3
[INFO] finished tweaking crates.io crate md2tex 0.1.3
[INFO] tweaked toml for crates.io crate md2tex 0.1.3 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "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" "+0a8629bff642c3c3b84bb644c0099194f063b627" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8ec041b7d6a5acbf52e7b956ad69afa9e3b9225706fab61d9d4f322149fe8eda
[INFO] running `Command { std: "docker" "start" "-a" "8ec041b7d6a5acbf52e7b956ad69afa9e3b9225706fab61d9d4f322149fe8eda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ec041b7d6a5acbf52e7b956ad69afa9e3b9225706fab61d9d4f322149fe8eda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ec041b7d6a5acbf52e7b956ad69afa9e3b9225706fab61d9d4f322149fe8eda", kill_on_drop: false }`
[INFO] [stdout] 8ec041b7d6a5acbf52e7b956ad69afa9e3b9225706fab61d9d4f322149fe8eda
[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" "+0a8629bff642c3c3b84bb644c0099194f063b627" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 128c0cca5759b9583a5158c6c6d0c7e2a1c77768ac596da3458c79c15ebd8bec
[INFO] running `Command { std: "docker" "start" "-a" "128c0cca5759b9583a5158c6c6d0c7e2a1c77768ac596da3458c79c15ebd8bec", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling harfbuzz-sys v0.3.4
[INFO] [stderr]    Compiling servo-freetype-sys v4.0.5
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]     Checking svgtypes v0.4.4
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking euclid v0.20.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling servo-fontconfig-sys v4.0.9
[INFO] [stderr]     Checking freetype v0.4.1
[INFO] [stderr]     Checking servo-fontconfig v0.4.0
[INFO] [stderr]     Checking num-iter v0.1.42
[INFO] [stderr]     Checking num-rational v0.2.4
[INFO] [stderr]     Checking svgdom v0.17.0
[INFO] [stderr]     Checking png v0.14.1
[INFO] [stderr]     Checking harfbuzz_rs v1.2.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking pulldown-cmark v0.5.3
[INFO] [stderr]     Checking usvg v0.7.0
[INFO] [stderr]     Checking lyon_geom v0.14.1
[INFO] [stderr]     Checking image v0.21.3
[INFO] [stderr]     Checking lyon_path v0.14.0
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking font-kit v0.4.0
[INFO] [stderr]     Checking raqote v0.6.4
[INFO] [stderr]     Checking Inflector v0.11.4
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]    Compiling euclid_macros v0.1.0
[INFO] [stderr]     Checking euclid v0.19.9
[INFO] [stderr]     Checking lyon_geom v0.12.7
[INFO] [stderr]     Checking raqote v0.5.5
[INFO] [stderr]     Checking resvg v0.7.0
[INFO] [stderr]     Checking md2tex v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/lib.rs:277:74
[INFO] [stdout]     |
[INFO] [stdout] 277 |                 output.push_str("\\includegraphics[width=\\textwidth]{");;
[INFO] [stdout]     |                                                                          ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/lib.rs:277:74
[INFO] [stdout]     |
[INFO] [stdout] 277 |                 output.push_str("\\includegraphics[width=\\textwidth]{");;
[INFO] [stdout]     |                                                                          ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `path_str` is never read
[INFO] [stdout]    --> src/lib.rs:254:25
[INFO] [stdout]     |
[INFO] [stdout] 254 |                 let mut path_str = String::new();
[INFO] [stdout]     |                         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `path_str` is never read
[INFO] [stdout]    --> src/lib.rs:254:25
[INFO] [stdout]     |
[INFO] [stdout] 254 |                 let mut path_str = String::new();
[INFO] [stdout]     |                         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:470:21
[INFO] [stdout]     |
[INFO] [stdout] 470 |                 let mut lang = String::new();
[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: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:470:21
[INFO] [stdout]     |
[INFO] [stdout] 470 |                 let mut lang = String::new();
[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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.20s
[INFO] running `Command { std: "docker" "inspect" "128c0cca5759b9583a5158c6c6d0c7e2a1c77768ac596da3458c79c15ebd8bec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "128c0cca5759b9583a5158c6c6d0c7e2a1c77768ac596da3458c79c15ebd8bec", kill_on_drop: false }`
[INFO] [stdout] 128c0cca5759b9583a5158c6c6d0c7e2a1c77768ac596da3458c79c15ebd8bec