[INFO] fetching crate tiny-mailcatcher 0.9.3...
[INFO] checking tiny-mailcatcher-0.9.3 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate tiny-mailcatcher 0.9.3 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate tiny-mailcatcher 0.9.3 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 crates.io crate tiny-mailcatcher 0.9.3
[INFO] finished tweaking crates.io crate tiny-mailcatcher 0.9.3
[INFO] tweaked toml for crates.io crate tiny-mailcatcher 0.9.3 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate tiny-mailcatcher 0.9.3 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 342d90922a59a7116a06e98b0c3018f06b77651a32fed5fb2201c8b9ad7aad11
[INFO] running `Command { std: "docker" "start" "-a" "342d90922a59a7116a06e98b0c3018f06b77651a32fed5fb2201c8b9ad7aad11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "342d90922a59a7116a06e98b0c3018f06b77651a32fed5fb2201c8b9ad7aad11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "342d90922a59a7116a06e98b0c3018f06b77651a32fed5fb2201c8b9ad7aad11", kill_on_drop: false }`
[INFO] [stdout] 342d90922a59a7116a06e98b0c3018f06b77651a32fed5fb2201c8b9ad7aad11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 33b31e9aecb3a80ec1a0d65e280c4bdd10ac3683dd8625fa6af63dceba6fa608
[INFO] running `Command { std: "docker" "start" "-a" "33b31e9aecb3a80ec1a0d65e280c4bdd10ac3683dd8625fa6af63dceba6fa608", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.84
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling futures-core v0.3.19
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]    Compiling futures-task v0.3.19
[INFO] [stderr]     Checking futures-sink v0.3.19
[INFO] [stderr]    Compiling futures-channel v0.3.19
[INFO] [stderr]    Compiling futures-util v0.3.19
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]     Checking futures-io v0.3.19
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking tracing-core v0.1.21
[INFO] [stderr]    Compiling serde_derive v1.0.133
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]    Compiling serde v1.0.133
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]    Compiling serde_json v1.0.74
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking openssl-probe v0.1.4
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking quoted_printable v0.4.5
[INFO] [stderr]     Checking charset v0.1.3
[INFO] [stderr]     Checking tracing v0.1.29
[INFO] [stderr]    Compiling nom v7.1.0
[INFO] [stderr]    Compiling async-trait v0.1.52
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]     Checking ipnet v2.3.1
[INFO] [stderr]     Checking fastrand v1.6.0
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking mailparse v0.13.7
[INFO] [stderr]    Compiling openssl-sys v0.9.72
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking socket2 v0.4.2
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling futures-macro v0.3.19
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking tokio v1.15.0
[INFO] [stderr]     Checking structopt v0.3.25
[INFO] [stderr]     Checking futures-executor v0.3.19
[INFO] [stderr]     Checking futures v0.3.19
[INFO] [stderr]     Checking tokio-util v0.6.9
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking lettre v0.10.0-rc.4
[INFO] [stderr]     Checking h2 v0.3.9
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking hyper v0.14.16
[INFO] [stderr]     Checking routerify v3.0.0
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.8
[INFO] [stderr]     Checking tiny-mailcatcher v0.9.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.79s
[INFO] running `Command { std: "docker" "inspect" "33b31e9aecb3a80ec1a0d65e280c4bdd10ac3683dd8625fa6af63dceba6fa608", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33b31e9aecb3a80ec1a0d65e280c4bdd10ac3683dd8625fa6af63dceba6fa608", kill_on_drop: false }`
[INFO] [stdout] 33b31e9aecb3a80ec1a0d65e280c4bdd10ac3683dd8625fa6af63dceba6fa608