[INFO] fetching crate md2tex 0.1.3...
[INFO] checking md2tex-0.1.3 against beta for pr-78714
[INFO] extracting crate md2tex 0.1.3 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate md2tex 0.1.3 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", 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-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6d5b94643e60900b4a755e0ba4a58ce4caa715ce96cf176d2f4109043e8b0feb
[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" "6d5b94643e60900b4a755e0ba4a58ce4caa715ce96cf176d2f4109043e8b0feb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d5b94643e60900b4a755e0ba4a58ce4caa715ce96cf176d2f4109043e8b0feb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d5b94643e60900b4a755e0ba4a58ce4caa715ce96cf176d2f4109043e8b0feb", kill_on_drop: false }`
[INFO] [stdout] 6d5b94643e60900b4a755e0ba4a58ce4caa715ce96cf176d2f4109043e8b0feb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f7442db6c59f4d82a1c40f362a2d832bc3b0898f0233190eac4b7e8eb100b2b
[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" "0f7442db6c59f4d82a1c40f362a2d832bc3b0898f0233190eac4b7e8eb100b2b", kill_on_drop: false }`
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking xmlparser v0.9.0
[INFO] [stderr]     Checking float-cmp v0.5.3
[INFO] [stderr]     Checking rle-decode-fast v1.0.1
[INFO] [stderr]     Checking simplecss v0.1.0
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking typed-arena v1.7.0
[INFO] [stderr]     Checking sw-composite v0.5.10
[INFO] [stderr]     Checking unicode-vo v0.1.0
[INFO] [stderr]     Checking rctree v0.3.3
[INFO] [stderr]     Checking float-ord v0.2.0
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking ttf-parser v0.1.0
[INFO] [stderr]    Compiling pulldown-cmark v0.5.3
[INFO] [stderr]     Checking bytemuck v1.4.1
[INFO] [stderr]     Checking unicode-script v0.3.0
[INFO] [stderr]    Compiling cmake v0.1.44
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]    Compiling harfbuzz-sys v0.3.4
[INFO] [stderr]    Compiling servo-fontconfig-sys v4.0.9
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking data-url v0.1.0
[INFO] [stderr]     Checking phf_shared v0.7.24
[INFO] [stderr]     Checking rgb v0.8.25
[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking jpeg-decoder v0.1.20
[INFO] [stderr]     Checking libflate v0.1.27
[INFO] [stderr]     Checking roxmltree v0.6.1
[INFO] [stderr]     Checking euclid v0.20.14
[INFO] [stderr]     Checking svgtypes v0.4.4
[INFO] [stderr]     Checking Inflector v0.11.4
[INFO] [stderr]    Compiling servo-freetype-sys v4.0.5
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]     Checking num-iter v0.1.42
[INFO] [stderr]     Checking png v0.14.1
[INFO] [stderr]     Checking png v0.15.3
[INFO] [stderr]     Checking kurbo v0.2.3
[INFO] [stderr]     Checking freetype v0.4.1
[INFO] [stderr]     Checking servo-fontconfig v0.4.0
[INFO] [stderr]     Checking lyon_geom v0.14.1
[INFO] [stderr]     Checking svgdom v0.17.0
[INFO] [stderr]     Checking image v0.21.3
[INFO] [stderr]     Checking harfbuzz_rs v1.2.0
[INFO] [stderr]     Checking lyon_path v0.14.0
[INFO] [stderr]     Checking usvg v0.7.0
[INFO] [stderr]     Checking font-kit v0.4.0
[INFO] [stderr]     Checking raqote v0.6.4
[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:254:21
[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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `path_str` is never read
[INFO] [stdout]    --> src/lib.rs:254:21
[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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.17s
[INFO] running `Command { std: "docker" "inspect" "0f7442db6c59f4d82a1c40f362a2d832bc3b0898f0233190eac4b7e8eb100b2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f7442db6c59f4d82a1c40f362a2d832bc3b0898f0233190eac4b7e8eb100b2b", kill_on_drop: false }`
[INFO] [stdout] 0f7442db6c59f4d82a1c40f362a2d832bc3b0898f0233190eac4b7e8eb100b2b