[INFO] fetching crate mailgun-sdk 0.1.1...
[INFO] checking mailgun-sdk-0.1.1 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate mailgun-sdk 0.1.1 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate mailgun-sdk 0.1.1 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 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-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "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: v2.0.79)
[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" "+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] 9a15601b2efcc5475f94783af379c0a2f29da6b39bf87a0f049bd7ffe4a12511
[INFO] running `Command { std: "docker" "start" "-a" "9a15601b2efcc5475f94783af379c0a2f29da6b39bf87a0f049bd7ffe4a12511", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a15601b2efcc5475f94783af379c0a2f29da6b39bf87a0f049bd7ffe4a12511", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a15601b2efcc5475f94783af379c0a2f29da6b39bf87a0f049bd7ffe4a12511", kill_on_drop: false }`
[INFO] [stdout] 9a15601b2efcc5475f94783af379c0a2f29da6b39bf87a0f049bd7ffe4a12511
[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] e2ed357bb42ad0d178884ec84579c0e8e449e55166e07f35d4f9f81e467252e5
[INFO] running `Command { std: "docker" "start" "-a" "e2ed357bb42ad0d178884ec84579c0e8e449e55166e07f35d4f9f81e467252e5", 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]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling cookie v0.14.4
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking qstring v0.7.2
[INFO] [stderr]     Checking chunked_transfer v1.5.0
[INFO] [stderr]     Checking dotenv v0.15.0
[INFO] [stderr]     Checking serde_json v1.0.128
[INFO] [stderr]     Checking publicsuffix v1.5.6
[INFO] [stderr]    Compiling time-macros-impl v0.1.2
[INFO] [stderr]     Checking time-macros v0.1.1
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.1
[INFO] [stderr]     Checking webpki-roots v0.21.1
[INFO] [stderr]     Checking rustls v0.19.1
[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 8.91s
[INFO] running `Command { std: "docker" "inspect" "e2ed357bb42ad0d178884ec84579c0e8e449e55166e07f35d4f9f81e467252e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2ed357bb42ad0d178884ec84579c0e8e449e55166e07f35d4f9f81e467252e5", kill_on_drop: false }`
[INFO] [stdout] e2ed357bb42ad0d178884ec84579c0e8e449e55166e07f35d4f9f81e467252e5