[INFO] cloning repository https://github.com/Hydro111/maximillion
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Hydro111/maximillion" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHydro111%2Fmaximillion", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHydro111%2Fmaximillion'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fbcd9fd10f42129ebe61543b212890ff26d49c6d
[INFO] checking Hydro111/maximillion/fbcd9fd10f42129ebe61543b212890ff26d49c6d against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHydro111%2Fmaximillion" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] [stderr] Updating files:  94% (1050/1106)
Updating files:  95% (1051/1106)
Updating files:  96% (1062/1106)
Updating files:  97% (1073/1106)
Updating files:  98% (1084/1106)
Updating files:  98% (1086/1106)
Updating files:  98% (1090/1106)
Updating files:  99% (1095/1106)
Updating files: 100% (1106/1106)
Updating files: 100% (1106/1106), done.
[INFO] validating manifest of git repo https://github.com/Hydro111/maximillion 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 git repo https://github.com/Hydro111/maximillion
[INFO] finished tweaking git repo https://github.com/Hydro111/maximillion
[INFO] tweaked toml for git repo https://github.com/Hydro111/maximillion written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Hydro111/maximillion already has a lockfile, it will not be regenerated
[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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 5bcd78fb41a33816bdd914d10f60516c3490eb7bf0100af4a7f90c42876b30b7
[INFO] running `Command { std: "docker" "start" "-a" "5bcd78fb41a33816bdd914d10f60516c3490eb7bf0100af4a7f90c42876b30b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5bcd78fb41a33816bdd914d10f60516c3490eb7bf0100af4a7f90c42876b30b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bcd78fb41a33816bdd914d10f60516c3490eb7bf0100af4a7f90c42876b30b7", kill_on_drop: false }`
[INFO] [stdout] 5bcd78fb41a33816bdd914d10f60516c3490eb7bf0100af4a7f90c42876b30b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 6f78b70a073a2a97bf5155e67d1b1f0825c76885616c45177b171e5f3ee332e6
[INFO] running `Command { std: "docker" "start" "-a" "6f78b70a073a2a97bf5155e67d1b1f0825c76885616c45177b171e5f3ee332e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]    Compiling serde_json v1.0.116
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]     Checking ryu v1.0.16
[INFO] [stderr]     Checking maximillion v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]    --> src/main.rs:186:32
[INFO] [stdout]     |
[INFO] [stdout] 186 |     fn currrent_density(&self, t: f32) -> Field3Vec {
[INFO] [stdout]     |                                ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]    --> src/main.rs:186:32
[INFO] [stdout]     |
[INFO] [stdout] 186 |     fn currrent_density(&self, t: f32) -> Field3Vec {
[INFO] [stdout]     |                                ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.48s
[INFO] running `Command { std: "docker" "inspect" "6f78b70a073a2a97bf5155e67d1b1f0825c76885616c45177b171e5f3ee332e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f78b70a073a2a97bf5155e67d1b1f0825c76885616c45177b171e5f3ee332e6", kill_on_drop: false }`
[INFO] [stdout] 6f78b70a073a2a97bf5155e67d1b1f0825c76885616c45177b171e5f3ee332e6