[INFO] fetching crate vtracer-webapp 0.4.0...
[INFO] checking vtracer-webapp-0.4.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate vtracer-webapp 0.4.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate vtracer-webapp 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 vtracer-webapp 0.4.0
[INFO] finished tweaking crates.io crate vtracer-webapp 0.4.0
[INFO] tweaked toml for crates.io crate vtracer-webapp 0.4.0 written to /workspace/builds/worker-7-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 33 packages to latest compatible versions
[INFO] [stderr]       Adding bit-vec v0.6.3 (available: v0.8.0)
[INFO] [stderr]       Adding cfg-if v0.1.10 (available: v1.0.0)
[INFO] [stderr]       Adding console_log v0.2.2 (available: v1.0.0)
[INFO] [stderr]       Adding flo_curves v0.3.1 (available: v0.7.3)
[INFO] [stderr]       Adding itertools v0.8.2 (available: v0.13.0)
[INFO] [stderr]       Adding roots v0.0.6 (available: v0.0.8)
[INFO] [stderr]       Adding visioncortex v0.6.1 (available: v0.8.8)
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 0c966b588a71d49456d4b0519ca2cad308af839e8e341eeb3d231866075e05f2
[INFO] running `Command { std: "docker" "start" "-a" "0c966b588a71d49456d4b0519ca2cad308af839e8e341eeb3d231866075e05f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c966b588a71d49456d4b0519ca2cad308af839e8e341eeb3d231866075e05f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c966b588a71d49456d4b0519ca2cad308af839e8e341eeb3d231866075e05f2", kill_on_drop: false }`
[INFO] [stdout] 0c966b588a71d49456d4b0519ca2cad308af839e8e341eeb3d231866075e05f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 5954eb9432cc563d82a82a62da25ff9f52b444189c49072d4f27dec634d5b4fa
[INFO] running `Command { std: "docker" "start" "-a" "5954eb9432cc563d82a82a62da25ff9f52b444189c49072d4f27dec634d5b4fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.93
[INFO] [stderr]    Compiling bumpalo v3.16.0
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling wasm-bindgen v0.2.93
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking roots v0.0.6
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking flo_curves v0.3.1
[INFO] [stderr]     Checking visioncortex v0.6.1
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.93
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.93
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.93
[INFO] [stderr]     Checking serde v1.0.210
[INFO] [stderr]     Checking serde_json v1.0.128
[INFO] [stderr]     Checking js-sys v0.3.70
[INFO] [stderr]     Checking console_error_panic_hook v0.1.7
[INFO] [stderr]     Checking web-sys v0.3.70
[INFO] [stderr]     Checking console_log v0.2.2
[INFO] [stderr]     Checking vtracer-webapp v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `binary_image::*`
[INFO] [stdout]  --> src/conversion/mod.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use binary_image::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `color_image::*`
[INFO] [stdout]  --> src/conversion/mod.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use color_image::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `binary_image::*`
[INFO] [stdout]  --> src/conversion/mod.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use binary_image::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `color_image::*`
[INFO] [stdout]  --> src/conversion/mod.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use color_image::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.11s
[INFO] running `Command { std: "docker" "inspect" "5954eb9432cc563d82a82a62da25ff9f52b444189c49072d4f27dec634d5b4fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5954eb9432cc563d82a82a62da25ff9f52b444189c49072d4f27dec634d5b4fa", kill_on_drop: false }`
[INFO] [stdout] 5954eb9432cc563d82a82a62da25ff9f52b444189c49072d4f27dec634d5b4fa