[INFO] fetching crate ec25519 0.1.0...
[INFO] checking ec25519-0.1.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate ec25519 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate ec25519 0.1.0 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 ec25519 0.1.0
[INFO] finished tweaking crates.io crate ec25519 0.1.0
[INFO] tweaked toml for crates.io crate ec25519 0.1.0 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[INFO] [stderr]       Adding ed25519 v1.5.3 (available: v2.2.3)
[INFO] [stderr]       Adding signature v1.6.4 (available: v2.2.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1)
[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] b2c8c550cca5abec959156d3cc86b449f1185569c5948252947ec09b1502de00
[INFO] running `Command { std: "docker" "start" "-a" "b2c8c550cca5abec959156d3cc86b449f1185569c5948252947ec09b1502de00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b2c8c550cca5abec959156d3cc86b449f1185569c5948252947ec09b1502de00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2c8c550cca5abec959156d3cc86b449f1185569c5948252947ec09b1502de00", kill_on_drop: false }`
[INFO] [stdout] b2c8c550cca5abec959156d3cc86b449f1185569c5948252947ec09b1502de00
[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] dcdccb8d9e134135dbf664a5534c61c17f184a2383a06d572080bf1c27b159a2
[INFO] running `Command { std: "docker" "start" "-a" "dcdccb8d9e134135dbf664a5534c61c17f184a2383a06d572080bf1c27b159a2", kill_on_drop: false }`
[INFO] [stderr]     Checking ct-codecs v1.1.2
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking ec25519 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/edwards25519.rs:410:16
[INFO] [stdout]     |
[INFO] [stdout] 410 |             pc[(i - 1)].add(base_cached).to_p3()
[INFO] [stdout]     |                ^     ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 410 -             pc[(i - 1)].add(base_cached).to_p3()
[INFO] [stdout] 410 +             pc[i - 1].add(base_cached).to_p3()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `from_ed25519::*`
[INFO] [stdout]    --> src/x25519.rs:312:9
[INFO] [stdout]     |
[INFO] [stdout] 312 | pub use from_ed25519::*;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `features`
[INFO] [stdout]    --> src/pem.rs:135:11
[INFO] [stdout]     |
[INFO] [stdout] 135 |     #[cfg(features = "std")]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] help: there is a config with a similar name and value
[INFO] [stdout]     |
[INFO] [stdout] 135 |     #[cfg(feature = "std")]
[INFO] [stdout]     |           ~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/edwards25519.rs:410:16
[INFO] [stdout]     |
[INFO] [stdout] 410 |             pc[(i - 1)].add(base_cached).to_p3()
[INFO] [stdout]     |                ^     ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 410 -             pc[(i - 1)].add(base_cached).to_p3()
[INFO] [stdout] 410 +             pc[i - 1].add(base_cached).to_p3()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `from_ed25519::*`
[INFO] [stdout]    --> src/x25519.rs:312:9
[INFO] [stdout]     |
[INFO] [stdout] 312 | pub use from_ed25519::*;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `Command { std: "docker" "inspect" "dcdccb8d9e134135dbf664a5534c61c17f184a2383a06d572080bf1c27b159a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcdccb8d9e134135dbf664a5534c61c17f184a2383a06d572080bf1c27b159a2", kill_on_drop: false }`
[INFO] [stdout] dcdccb8d9e134135dbf664a5534c61c17f184a2383a06d572080bf1c27b159a2