[INFO] fetching crate embedded-flight-motors 0.1.2...
[INFO] checking embedded-flight-motors-0.1.2 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate embedded-flight-motors 0.1.2 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate embedded-flight-motors 0.1.2 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 embedded-flight-motors 0.1.2
[INFO] finished tweaking crates.io crate embedded-flight-motors 0.1.2
[INFO] tweaked toml for crates.io crate embedded-flight-motors 0.1.2 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 21 packages to latest compatible versions
[INFO] [stderr]       Adding embedded-hal v0.2.7 (available: v1.0.0)
[INFO] [stderr]       Adding nalgebra v0.31.4 (available: v0.33.0)
[INFO] [stderr]       Adding nb v0.1.3 (available: v1.1.0)
[INFO] [stderr]       Adding num v0.3.1 (available: v0.4.3)
[INFO] [stderr]       Adding num-complex v0.3.1 (available: v0.4.6)
[INFO] [stderr]       Adding num-rational v0.3.2 (available: v0.4.2)
[INFO] [stderr]       Adding simba v0.7.3 (available: v0.9.0)
[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] [stderr]     Blocking waiting for file lock on package cache
[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] 02fbb5c943000bc71b8c8a8caca5c403f304e01fce009c7e849d0a968c309eb0
[INFO] running `Command { std: "docker" "start" "-a" "02fbb5c943000bc71b8c8a8caca5c403f304e01fce009c7e849d0a968c309eb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02fbb5c943000bc71b8c8a8caca5c403f304e01fce009c7e849d0a968c309eb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02fbb5c943000bc71b8c8a8caca5c403f304e01fce009c7e849d0a968c309eb0", kill_on_drop: false }`
[INFO] [stdout] 02fbb5c943000bc71b8c8a8caca5c403f304e01fce009c7e849d0a968c309eb0
[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] c23c75bccf4337a134be2d7d17f8bad016d3eb3420fe3049c958b10bcc0bee80
[INFO] running `Command { std: "docker" "start" "-a" "c23c75bccf4337a134be2d7d17f8bad016d3eb3420fe3049c958b10bcc0bee80", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking simba v0.7.3
[INFO] [stderr]     Checking num v0.3.1
[INFO] [stderr]     Checking embedded-time v0.12.1
[INFO] [stderr]     Checking nalgebra v0.31.4
[INFO] [stderr]     Checking embedded-flight-core v0.1.1
[INFO] [stderr]     Checking embedded-flight-motors v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `core::ops::Neg`
[INFO] [stdout]  --> src/esc/rcesc/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use core::ops::Neg;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::ops::Neg`
[INFO] [stdout]  --> src/esc/rcesc/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use core::ops::Neg;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `One`
[INFO] [stdout]  --> src/esc/rcesc/mod.rs:7:25
[INFO] [stdout]   |
[INFO] [stdout] 7 | use num_traits::{Float, One, Num};
[INFO] [stdout]   |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `One`
[INFO] [stdout]  --> src/esc/rcesc/mod.rs:7:25
[INFO] [stdout]   |
[INFO] [stdout] 7 | use num_traits::{Float, One, Num};
[INFO] [stdout]   |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Float`
[INFO] [stdout]  --> src/esc/rcesc/mod.rs:7:18
[INFO] [stdout]   |
[INFO] [stdout] 7 | use num_traits::{Float, One, Num};
[INFO] [stdout]   |                  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Float`
[INFO] [stdout]  --> src/esc/rcesc/mod.rs:7:18
[INFO] [stdout]   |
[INFO] [stdout] 7 | use num_traits::{Float, One, Num};
[INFO] [stdout]   |                  ^^^^^
[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 18.41s
[INFO] running `Command { std: "docker" "inspect" "c23c75bccf4337a134be2d7d17f8bad016d3eb3420fe3049c958b10bcc0bee80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c23c75bccf4337a134be2d7d17f8bad016d3eb3420fe3049c958b10bcc0bee80", kill_on_drop: false }`
[INFO] [stdout] c23c75bccf4337a134be2d7d17f8bad016d3eb3420fe3049c958b10bcc0bee80