[INFO] fetching crate gon 0.1.0...
[INFO] checking gon-0.1.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate gon 0.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate gon 0.1.0 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 gon 0.1.0
[INFO] finished tweaking crates.io crate gon 0.1.0
[INFO] tweaked toml for crates.io crate gon 0.1.0 written to /workspace/builds/worker-5-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]     Updating crates.io index
[INFO] [stderr]      Locking 25 packages to latest compatible versions
[INFO] [stderr]       Adding arrayvec v0.5.2 (available: v0.7.6)
[INFO] [stderr]       Adding float_next_after v0.1.5 (available: v1.0.0)
[INFO] [stderr]       Adding heck v0.3.3 (available: v0.5.0)
[INFO] [stderr]       Adding itertools v0.10.5 (available: v0.13.0)
[INFO] [stderr]       Adding lyon_geom v0.17.7 (available: v1.0.5)
[INFO] [stderr]       Adding lyon_path v0.17.7 (available: v1.0.5)
[INFO] [stderr]       Adding lyon_tessellation v0.17.10 (available: v1.0.15)
[INFO] [stderr]       Adding strum v0.21.0 (available: v0.26.3)
[INFO] [stderr]       Adding strum_macros v0.21.1 (available: v0.26.4)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.77)
[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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 79eb8d0bbdd2d6966efc7cce98e6d8bae2a1ac1de484d582b5da2199b21f8fb4
[INFO] running `Command { std: "docker" "start" "-a" "79eb8d0bbdd2d6966efc7cce98e6d8bae2a1ac1de484d582b5da2199b21f8fb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "79eb8d0bbdd2d6966efc7cce98e6d8bae2a1ac1de484d582b5da2199b21f8fb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79eb8d0bbdd2d6966efc7cce98e6d8bae2a1ac1de484d582b5da2199b21f8fb4", kill_on_drop: false }`
[INFO] [stdout] 79eb8d0bbdd2d6966efc7cce98e6d8bae2a1ac1de484d582b5da2199b21f8fb4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 11d7e22f7c0db3c65e212d660ddb531ca52e696a7bd4c412dfd73b3676fd382f
[INFO] running `Command { std: "docker" "start" "-a" "11d7e22f7c0db3c65e212d660ddb531ca52e696a7bd4c412dfd73b3676fd382f", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]     Checking strum v0.21.0
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking euclid v0.22.11
[INFO] [stderr]     Checking float_next_after v0.1.5
[INFO] [stderr]     Checking en v0.1.5
[INFO] [stderr]     Checking lyon_geom v0.17.7
[INFO] [stderr]    Compiling strum_macros v0.21.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.64
[INFO] [stderr]     Checking lyon_path v0.17.7
[INFO] [stderr]     Checking lyon_tessellation v0.17.10
[INFO] [stderr]     Checking thiserror v1.0.64
[INFO] [stderr]     Checking gee v0.3.0
[INFO] [stderr]     Checking gon v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.35s
[INFO] running `Command { std: "docker" "inspect" "11d7e22f7c0db3c65e212d660ddb531ca52e696a7bd4c412dfd73b3676fd382f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11d7e22f7c0db3c65e212d660ddb531ca52e696a7bd4c412dfd73b3676fd382f", kill_on_drop: false }`
[INFO] [stdout] 11d7e22f7c0db3c65e212d660ddb531ca52e696a7bd4c412dfd73b3676fd382f