[INFO] fetching crate mailgun-sdk 0.1.1...
[INFO] checking mailgun-sdk-0.1.1 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate mailgun-sdk 0.1.1 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate mailgun-sdk 0.1.1 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 mailgun-sdk 0.1.1
[INFO] finished tweaking crates.io crate mailgun-sdk 0.1.1
[INFO] tweaked toml for crates.io crate mailgun-sdk 0.1.1 written to /workspace/builds/worker-0-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 73 packages to latest compatible versions
[INFO] [stderr]       Adding base64 v0.13.1 (available: v0.22.1)
[INFO] [stderr]       Adding cookie v0.14.4 (available: v0.18.1)
[INFO] [stderr]       Adding cookie_store v0.12.0 (available: v0.21.0)
[INFO] [stderr]       Adding idna v0.2.3 (available: v1.0.2)
[INFO] [stderr]       Adding idna v0.5.0 (available: v1.0.2)
[INFO] [stderr]       Adding publicsuffix v1.5.6 (available: v2.2.3)
[INFO] [stderr]       Adding ring v0.16.20 (available: v0.17.8)
[INFO] [stderr]       Adding rustc_version v0.2.3 (available: v0.4.1)
[INFO] [stderr]       Adding rustls v0.19.1 (available: v0.23.13)
[INFO] [stderr]       Adding sct v0.6.1 (available: v0.7.1)
[INFO] [stderr]       Adding semver v0.9.0 (available: v1.0.23)
[INFO] [stderr]       Adding semver-parser v0.7.0 (available: v0.10.2)
[INFO] [stderr]       Adding sha1 v0.6.1 (available: v0.10.6)
[INFO] [stderr]       Adding spin v0.5.2 (available: v0.9.8)
[INFO] [stderr]       Adding standback v0.2.17 (available: v0.4.4)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.77)
[INFO] [stderr]       Adding time v0.2.27 (available: v0.3.36)
[INFO] [stderr]       Adding time-macros v0.1.1 (available: v0.2.18)
[INFO] [stderr]       Adding untrusted v0.7.1 (available: v0.9.0)
[INFO] [stderr]       Adding ureq v1.5.5 (available: v2.10.1)
[INFO] [stderr]       Adding webpki v0.21.4 (available: v0.22.4)
[INFO] [stderr]       Adding webpki-roots v0.21.1 (available: v0.26.6)
[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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] bcbc3213b972973958506ff24087c1692e49de72f18cbf15eeb7a36b3bf164a5
[INFO] running `Command { std: "docker" "start" "-a" "bcbc3213b972973958506ff24087c1692e49de72f18cbf15eeb7a36b3bf164a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bcbc3213b972973958506ff24087c1692e49de72f18cbf15eeb7a36b3bf164a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcbc3213b972973958506ff24087c1692e49de72f18cbf15eeb7a36b3bf164a5", kill_on_drop: false }`
[INFO] [stdout] bcbc3213b972973958506ff24087c1692e49de72f18cbf15eeb7a36b3bf164a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] d325794a1aabac8a47ab4d9a8848a0ac50fa496644bf2b8b311c174da59d6e69
[INFO] running `Command { std: "docker" "start" "-a" "d325794a1aabac8a47ab4d9a8848a0ac50fa496644bf2b8b311c174da59d6e69", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]    Compiling const_fn v0.4.10
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling cookie v0.14.4
[INFO] [stderr]     Checking qstring v0.7.2
[INFO] [stderr]     Checking chunked_transfer v1.5.0
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking dotenv v0.15.0
[INFO] [stderr]     Checking ring v0.16.20
[INFO] [stderr]    Compiling thiserror-impl v1.0.64
[INFO] [stderr]     Checking serde v1.0.210
[INFO] [stderr]     Checking publicsuffix v1.5.6
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.1
[INFO] [stderr]     Checking rustls v0.19.1
[INFO] [stderr]     Checking webpki-roots v0.21.1
[INFO] [stderr]     Checking thiserror v1.0.64
[INFO] [stderr]     Checking serde_json v1.0.128
[INFO] [stderr]    Compiling time-macros-impl v0.1.2
[INFO] [stderr]     Checking time-macros v0.1.1
[INFO] [stderr]     Checking cookie_store v0.12.0
[INFO] [stderr]     Checking ureq v1.5.5
[INFO] [stderr]     Checking mailgun-sdk v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.67s
[INFO] running `Command { std: "docker" "inspect" "d325794a1aabac8a47ab4d9a8848a0ac50fa496644bf2b8b311c174da59d6e69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d325794a1aabac8a47ab4d9a8848a0ac50fa496644bf2b8b311c174da59d6e69", kill_on_drop: false }`
[INFO] [stdout] d325794a1aabac8a47ab4d9a8848a0ac50fa496644bf2b8b311c174da59d6e69