[INFO] fetching crate merklemountainrange 0.0.1...
[INFO] checking merklemountainrange-0.0.1 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate merklemountainrange 0.0.1 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate merklemountainrange 0.0.1 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 merklemountainrange 0.0.1
[INFO] finished tweaking crates.io crate merklemountainrange 0.0.1
[INFO] tweaked toml for crates.io crate merklemountainrange 0.0.1 written to /workspace/builds/worker-6-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 15 packages to latest compatible versions
[INFO] [stderr]       Adding blake2 v0.8.1 (available: v0.10.6)
[INFO] [stderr]       Adding case v0.1.0 (available: v1.0.0)
[INFO] [stderr]       Adding crypto-mac v0.7.0 (available: v0.11.1)
[INFO] [stderr]       Adding derive-error v0.0.4 (available: v0.0.5)
[INFO] [stderr]       Adding digest v0.8.1 (available: v0.10.7)
[INFO] [stderr]       Adding generic-array v0.12.4 (available: v1.1.0)
[INFO] [stderr]       Adding opaque-debug v0.2.3 (available: v0.3.1)
[INFO] [stderr]       Adding quote v0.3.15 (available: v1.0.37)
[INFO] [stderr]       Adding subtle v1.0.0 (available: v2.6.1)
[INFO] [stderr]       Adding syn v0.11.11 (available: v2.0.79)
[INFO] [stderr]       Adding tari_utilities v0.0.1 (available: v0.7.0)
[INFO] [stderr]       Adding unicode-xid v0.0.4 (available: v0.2.6)
[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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] c3e5ae233edb1cd7731adaeaf131c6a14ae66f57d4a2cdfdf84867dd94e218e4
[INFO] running `Command { std: "docker" "start" "-a" "c3e5ae233edb1cd7731adaeaf131c6a14ae66f57d4a2cdfdf84867dd94e218e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3e5ae233edb1cd7731adaeaf131c6a14ae66f57d4a2cdfdf84867dd94e218e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3e5ae233edb1cd7731adaeaf131c6a14ae66f57d4a2cdfdf84867dd94e218e4", kill_on_drop: false }`
[INFO] [stdout] c3e5ae233edb1cd7731adaeaf131c6a14ae66f57d4a2cdfdf84867dd94e218e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] f8335c3d236aa3f0effcd1f9beb4dc83b18c4ea846a8bc596764ea75a6327641
[INFO] running `Command { std: "docker" "start" "-a" "f8335c3d236aa3f0effcd1f9beb4dc83b18c4ea846a8bc596764ea75a6327641", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling case v0.1.0
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking blake2 v0.8.1
[INFO] [stderr]    Compiling derive-error v0.0.4
[INFO] [stderr]     Checking tari_utilities v0.0.1
[INFO] [stderr]     Checking merklemountainrange v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `hasher` is never read
[INFO] [stdout]   --> tests/support/testobject.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct TestObject<D: Digest> {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 28 |     pub id: String,
[INFO] [stdout] 29 |     pub hasher: D,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.96s
[INFO] running `Command { std: "docker" "inspect" "f8335c3d236aa3f0effcd1f9beb4dc83b18c4ea846a8bc596764ea75a6327641", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8335c3d236aa3f0effcd1f9beb4dc83b18c4ea846a8bc596764ea75a6327641", kill_on_drop: false }`
[INFO] [stdout] f8335c3d236aa3f0effcd1f9beb4dc83b18c4ea846a8bc596764ea75a6327641