[INFO] cloning repository https://github.com/Aloso/unidoc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Aloso/unidoc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAloso%2Funidoc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAloso%2Funidoc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 56b017c6962f5a6424e70a39df13f580c04c8541
[INFO] checking Aloso/unidoc/56b017c6962f5a6424e70a39df13f580c04c8541 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAloso%2Funidoc" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Aloso/unidoc on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Aloso/unidoc
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/Aloso/unidoc
[INFO] tweaked toml for git repo https://github.com/Aloso/unidoc written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Aloso/unidoc 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2342d3dd2a69905b1e438229a81fdedbc82e1500d2d24947d3effeaff9f2849a
[INFO] running `Command { std: "docker" "start" "-a" "2342d3dd2a69905b1e438229a81fdedbc82e1500d2d24947d3effeaff9f2849a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2342d3dd2a69905b1e438229a81fdedbc82e1500d2d24947d3effeaff9f2849a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2342d3dd2a69905b1e438229a81fdedbc82e1500d2d24947d3effeaff9f2849a", kill_on_drop: false }`
[INFO] [stdout] 2342d3dd2a69905b1e438229a81fdedbc82e1500d2d24947d3effeaff9f2849a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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 -Dtail_expr_drop_order" "-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 53c5e727b8820a2cffd62c348cd78a0696403432879d390aedc580dbd4808f74
[INFO] running `Command { std: "docker" "start" "-a" "53c5e727b8820a2cffd62c348cd78a0696403432879d390aedc580dbd4808f74", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]     Checking deunicode v0.4.3
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking detached-str v0.1.0 (/opt/rustwide/workdir/crates/detached-str)
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking charred v0.3.6
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking htmlescape v0.3.1
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling anyhow v1.0.41
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking similar v1.3.0
[INFO] [stderr]     Checking slug v0.1.4
[INFO] [stderr]     Checking unidok-repr v0.2.0 (/opt/rustwide/workdir/crates/unidok-repr)
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking asciimath-rs v0.6.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking unidok-parser v0.2.0 (/opt/rustwide/workdir/crates/unidok-parser)
[INFO] [stdout] warning: field `ind` is never read
[INFO] [stdout]  --> crates/unidok-parser/src/blocks/thematic_breaks.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub(crate) struct ParseThematicBreak<'a> {
[INFO] [stdout]   |                   ------------------ field in this struct
[INFO] [stdout] 8 |     pub ind: Indents<'a>,
[INFO] [stdout]   |         ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `ParseThematicBreak` has derived impls for the traits `Default`, `Clone`, and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking unidok-to-html v0.2.0 (/opt/rustwide/workdir/crates/unidok-to-html)
[INFO] [stdout] warning: field `ind` is never read
[INFO] [stdout]  --> crates/unidok-parser/src/blocks/thematic_breaks.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub(crate) struct ParseThematicBreak<'a> {
[INFO] [stdout]   |                   ------------------ field in this struct
[INFO] [stdout] 8 |     pub ind: Indents<'a>,
[INFO] [stdout]   |         ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `ParseThematicBreak` has derived impls for the traits `Default`, `Clone`, and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking globset v0.4.8
[INFO] [stderr]     Checking ignore v0.4.18
[INFO] [stderr]     Checking unidok v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.11s
[INFO] running `Command { std: "docker" "inspect" "53c5e727b8820a2cffd62c348cd78a0696403432879d390aedc580dbd4808f74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53c5e727b8820a2cffd62c348cd78a0696403432879d390aedc580dbd4808f74", kill_on_drop: false }`
[INFO] [stdout] 53c5e727b8820a2cffd62c348cd78a0696403432879d390aedc580dbd4808f74