[INFO] fetching crate yoyo-macros 0.4.0...
[INFO] checking yoyo-macros-0.4.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate yoyo-macros 0.4.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate yoyo-macros 0.4.0 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate yoyo-macros 0.4.0
[INFO] finished tweaking crates.io crate yoyo-macros 0.4.0
[INFO] tweaked toml for crates.io crate yoyo-macros 0.4.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 113 packages to latest compatible versions
[INFO] [stderr]       Adding approx v0.3.2 (available: v0.5.1)
[INFO] [stderr]       Adding arrayvec v0.5.2 (available: v0.7.6)
[INFO] [stderr]       Adding base64 v0.12.3 (available: v0.22.1)
[INFO] [stderr]       Adding beef v0.4.4 (available: v0.5.2)
[INFO] [stderr]       Adding bindgen v0.55.1 (available: v0.70.1)
[INFO] [stderr]       Adding bitflags v1.3.2 (available: v2.6.0)
[INFO] [stderr]       Adding bytes v0.5.6 (available: v1.7.2)
[INFO] [stderr]       Adding cexpr v0.4.0 (available: v0.6.0)
[INFO] [stderr]       Adding cfg-if v0.1.10 (available: v1.0.0)
[INFO] [stderr]       Adding clap v2.34.0 (available: v4.5.18)
[INFO] [stderr]       Adding data-url v0.1.1 (available: v0.3.1)
[INFO] [stderr]       Adding env_logger v0.7.1 (available: v0.11.5)
[INFO] [stderr]       Adding float-cmp v0.5.3 (available: v0.10.0)
[INFO] [stderr]       Adding heck v0.3.3 (available: v0.5.0)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (available: v0.4.0)
[INFO] [stderr]       Adding humantime v1.3.0 (available: v2.1.0)
[INFO] [stderr]       Adding kurbo v0.6.3 (available: v0.11.1)
[INFO] [stderr]       Adding logos v0.11.4 (available: v0.14.2)
[INFO] [stderr]       Adding logos-derive v0.11.5 (available: v0.14.2)
[INFO] [stderr]       Adding nom v5.1.3 (available: v7.1.3)
[INFO] [stderr]       Adding ordered-float v1.1.1 (available: v4.3.0)
[INFO] [stderr]       Adding palette v0.5.0 (available: v0.7.6)
[INFO] [stderr]       Adding palette_derive v0.5.0 (available: v0.7.6)
[INFO] [stderr]       Adding peeking_take_while v0.1.2 (available: v1.0.0)
[INFO] [stderr]       Adding pico-args v0.3.4 (available: v0.5.0)
[INFO] [stderr]       Adding quick-error v1.2.3 (available: v2.0.1)
[INFO] [stderr]       Adding rctree v0.3.3 (available: v0.6.0)
[INFO] [stderr]       Adding regex-syntax v0.6.29 (available: v0.8.4)
[INFO] [stderr]       Adding roxmltree v0.13.1 (available: v0.20.0)
[INFO] [stderr]       Adding rustc-hash v1.1.0 (available: v2.0.0)
[INFO] [stderr]       Adding shlex v0.1.1 (available: v1.3.0)
[INFO] [stderr]       Adding siphasher v0.2.3 (available: v1.0.1)
[INFO] [stderr]       Adding strsim v0.8.0 (available: v0.11.1)
[INFO] [stderr]       Adding strum v0.19.5 (available: v0.26.3)
[INFO] [stderr]       Adding strum_macros v0.19.4 (available: v0.26.4)
[INFO] [stderr]       Adding svgtypes v0.5.0 (available: v0.15.2)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.77)
[INFO] [stderr]       Adding textwrap v0.11.0 (available: v0.16.1)
[INFO] [stderr]       Adding unicode-width v0.1.14 (available: v0.2.0)
[INFO] [stderr]       Adding usvg v0.11.0 (available: v0.43.0)
[INFO] [stderr]       Adding which v3.1.1 (available: v6.0.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3edbb41834d989415c546eb7341d652c9e16a8ef59665f08d4a82bb9b413f5a4
[INFO] running `Command { std: "docker" "start" "-a" "3edbb41834d989415c546eb7341d652c9e16a8ef59665f08d4a82bb9b413f5a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3edbb41834d989415c546eb7341d652c9e16a8ef59665f08d4a82bb9b413f5a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3edbb41834d989415c546eb7341d652c9e16a8ef59665f08d4a82bb9b413f5a4", kill_on_drop: false }`
[INFO] [stdout] 3edbb41834d989415c546eb7341d652c9e16a8ef59665f08d4a82bb9b413f5a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 184c8424b41f367ef4c37977b1b256a4dfd9a517ac7d37fb99e83b681c2c58df
[INFO] running `Command { std: "docker" "start" "-a" "184c8424b41f367ef4c37977b1b256a4dfd9a517ac7d37fb99e83b681c2c58df", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling regex-syntax v0.8.4
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling libc v0.2.159
[INFO] [stderr]    Compiling nom v5.1.3
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]    Compiling libloading v0.8.5
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]    Compiling bindgen v0.55.1
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]     Checking pin-project-lite v0.2.14
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]     Checking unicode-ident v1.0.13
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]     Checking proc-macro2 v1.0.86
[INFO] [stderr]    Compiling cc v1.1.21
[INFO] [stderr]    Compiling utf8-ranges v1.0.5
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]     Checking adler2 v2.0.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling beef v0.4.4
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]     Checking crc32fast v1.4.2
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]     Checking miniz_oxide v0.8.0
[INFO] [stderr]     Checking float-cmp v0.5.3
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]     Checking xmlparser v0.13.6
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking siphasher v0.2.3
[INFO] [stderr]     Checking matches v0.1.10
[INFO] [stderr]    Compiling palette v0.5.0
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking simplecss v0.2.1
[INFO] [stderr]     Checking kurbo v0.6.3
[INFO] [stderr]     Checking ordered-float v1.1.1
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking roxmltree v0.13.1
[INFO] [stderr]     Checking flate2 v1.0.33
[INFO] [stderr]     Checking svgtypes v0.5.0
[INFO] [stderr]     Checking data-url v0.1.1
[INFO] [stderr]     Checking quote v1.0.37
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking xmlwriter v0.1.0
[INFO] [stderr]     Checking pico-args v0.3.4
[INFO] [stderr]     Checking rctree v0.3.3
[INFO] [stderr]     Checking strum v0.19.5
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking inflections v1.1.1
[INFO] [stderr]     Checking usvg v0.11.0
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling regex-automata v0.4.7
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]    Compiling regex v1.10.6
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling logos-derive v0.11.5
[INFO] [stderr]    Compiling palette_derive v0.5.0
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling strum_macros v0.19.4
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking polyhorn-core v0.4.0
[INFO] [stderr]     Checking logos v0.11.4
[INFO] [stderr]     Checking casco v0.4.0
[INFO] [stderr]    Compiling polyhorn-yoga v0.3.4
[INFO] [stderr]     Checking polyhorn-ui v0.4.0
[INFO] [stderr]     Checking yoyo-macros v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `name_span` is never read
[INFO] [stdout]   --> src/driver.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub struct Property<S>
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 53 |     pub name_span: MultiSpan<S>,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Property` has derived impls for the traits `Debug` and `Clone`, 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] [stdout] warning: field `name_span` is never read
[INFO] [stdout]   --> src/driver.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub struct Property<S>
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 53 |     pub name_span: MultiSpan<S>,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Property` has derived impls for the traits `Debug` and `Clone`, 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]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 36.84s
[INFO] running `Command { std: "docker" "inspect" "184c8424b41f367ef4c37977b1b256a4dfd9a517ac7d37fb99e83b681c2c58df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "184c8424b41f367ef4c37977b1b256a4dfd9a517ac7d37fb99e83b681c2c58df", kill_on_drop: false }`
[INFO] [stdout] 184c8424b41f367ef4c37977b1b256a4dfd9a517ac7d37fb99e83b681c2c58df