[INFO] fetching crate luwen-if 0.4.4...
[INFO] checking luwen-if-0.4.4 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate luwen-if 0.4.4 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate luwen-if 0.4.4 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 luwen-if 0.4.4
[INFO] finished tweaking crates.io crate luwen-if 0.4.4
[INFO] tweaked toml for crates.io crate luwen-if 0.4.4 written to /workspace/builds/worker-7-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 37 packages to latest compatible versions
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v1.1.0)
[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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] f776ee099b6c47114b0be7c84b853b8b2b2a932502bdacbc9adeaafc86bd3c2d
[INFO] running `Command { std: "docker" "start" "-a" "f776ee099b6c47114b0be7c84b853b8b2b2a932502bdacbc9adeaafc86bd3c2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f776ee099b6c47114b0be7c84b853b8b2b2a932502bdacbc9adeaafc86bd3c2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f776ee099b6c47114b0be7c84b853b8b2b2a932502bdacbc9adeaafc86bd3c2d", kill_on_drop: false }`
[INFO] [stdout] f776ee099b6c47114b0be7c84b853b8b2b2a932502bdacbc9adeaafc86bd3c2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 3a730de81b9d13df3d4d985b380b541f086199405f2e26557cd82e001413dc07
[INFO] running `Command { std: "docker" "start" "-a" "3a730de81b9d13df3d4d985b380b541f086199405f2e26557cd82e001413dc07", kill_on_drop: false }`
[INFO] [stderr]    Compiling cpufeatures v0.2.14
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking luwen-core v0.1.0
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking rust-embed-utils v8.5.0
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling rust-embed-impl v8.5.0
[INFO] [stderr]     Checking rust-embed v8.5.0
[INFO] [stderr]     Checking luwen-if v0.4.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `DramInitError`
[INFO] [stdout]   --> src/chip/grayskull.rs:16:55
[INFO] [stdout]    |
[INFO] [stdout] 16 |     init::status::{ArcInitError, ComponentStatusInfo, DramInitError, InitOptions, WaitStatus},
[INFO] [stdout]    |                                                       ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DramInitError`
[INFO] [stdout]   --> src/chip/grayskull.rs:16:55
[INFO] [stdout]    |
[INFO] [stdout] 16 |     init::status::{ArcInitError, ComponentStatusInfo, DramInitError, InitOptions, WaitStatus},
[INFO] [stdout]    |                                                       ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `backtrace`
[INFO] [stdout]    --> src/chip/grayskull.rs:388:77
[INFO] [stdout]     |
[INFO] [stdout] 388 | ...                   crate::ArcMsgError::ProtocolError { source, backtrace } => match source {
[INFO] [stdout]     |                                                                   ^^^^^^^^^ help: try ignoring the field: `backtrace: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `source`
[INFO] [stdout]    --> src/chip/grayskull.rs:403:37
[INFO] [stdout]     |
[INFO] [stdout] 403 | ...                   source => {
[INFO] [stdout]     |                       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_source`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `backtrace`
[INFO] [stdout]    --> src/chip/grayskull.rs:388:77
[INFO] [stdout]     |
[INFO] [stdout] 388 | ...                   crate::ArcMsgError::ProtocolError { source, backtrace } => match source {
[INFO] [stdout]     |                                                                   ^^^^^^^^^ help: try ignoring the field: `backtrace: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `source`
[INFO] [stdout]    --> src/chip/grayskull.rs:403:37
[INFO] [stdout]     |
[INFO] [stdout] 403 | ...                   source => {
[INFO] [stdout]     |                       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_source`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.14s
[INFO] running `Command { std: "docker" "inspect" "3a730de81b9d13df3d4d985b380b541f086199405f2e26557cd82e001413dc07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a730de81b9d13df3d4d985b380b541f086199405f2e26557cd82e001413dc07", kill_on_drop: false }`
[INFO] [stdout] 3a730de81b9d13df3d4d985b380b541f086199405f2e26557cd82e001413dc07