[INFO] fetching crate micro_http_async 0.1.4...
[INFO] checking micro_http_async-0.1.4 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate micro_http_async 0.1.4 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate micro_http_async 0.1.4 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 micro_http_async 0.1.4
[INFO] finished tweaking crates.io crate micro_http_async 0.1.4
[INFO] tweaked toml for crates.io crate micro_http_async 0.1.4 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate micro_http_async 0.1.4 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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] a248f267cc046d9a0bfe907d75acb5e509e29a64c667ba02e3d0be1fe6f8c4a3
[INFO] running `Command { std: "docker" "start" "-a" "a248f267cc046d9a0bfe907d75acb5e509e29a64c667ba02e3d0be1fe6f8c4a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a248f267cc046d9a0bfe907d75acb5e509e29a64c667ba02e3d0be1fe6f8c4a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a248f267cc046d9a0bfe907d75acb5e509e29a64c667ba02e3d0be1fe6f8c4a3", kill_on_drop: false }`
[INFO] [stdout] a248f267cc046d9a0bfe907d75acb5e509e29a64c667ba02e3d0be1fe6f8c4a3
[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] 3ae31a5ca9e3656b9c99f6aff8f6bd120352bdae798fc362f0dd8c54d18ed29d
[INFO] running `Command { std: "docker" "start" "-a" "3ae31a5ca9e3656b9c99f6aff8f6bd120352bdae798fc362f0dd8c54d18ed29d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling futures-core v0.3.19
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]    Compiling futures-channel v0.3.19
[INFO] [stderr]    Compiling futures-task v0.3.19
[INFO] [stderr]    Compiling futures-util v0.3.19
[INFO] [stderr]     Checking futures-sink v0.3.19
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking futures-io v0.3.19
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking chunked_transfer v1.4.0
[INFO] [stderr]     Checking rustls-pemfile v0.2.1
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking sct v0.7.0
[INFO] [stderr]     Checking webpki v0.22.0
[INFO] [stderr]     Checking rustls v0.20.2
[INFO] [stderr]    Compiling futures-macro v0.3.19
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]     Checking tokio v1.15.0
[INFO] [stderr]     Checking serde v1.0.130
[INFO] [stderr]     Checking tokio-rustls v0.23.2
[INFO] [stderr]     Checking futures-executor v0.3.19
[INFO] [stderr]     Checking futures v0.3.19
[INFO] [stderr]     Checking micro_http_async v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.44s
[INFO] running `Command { std: "docker" "inspect" "3ae31a5ca9e3656b9c99f6aff8f6bd120352bdae798fc362f0dd8c54d18ed29d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ae31a5ca9e3656b9c99f6aff8f6bd120352bdae798fc362f0dd8c54d18ed29d", kill_on_drop: false }`
[INFO] [stdout] 3ae31a5ca9e3656b9c99f6aff8f6bd120352bdae798fc362f0dd8c54d18ed29d