[INFO] cloning repository https://github.com/suai-materials/lab_5_mm_2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/suai-materials/lab_5_mm_2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuai-materials%2Flab_5_mm_2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuai-materials%2Flab_5_mm_2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 125480110b3e7a5abe498f4ed2884c11ca0713e5
[INFO] building suai-materials/lab_5_mm_2 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuai-materials%2Flab_5_mm_2" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/suai-materials/lab_5_mm_2 on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/suai-materials/lab_5_mm_2
[INFO] finished tweaking git repo https://github.com/suai-materials/lab_5_mm_2
[INFO] tweaked toml for git repo https://github.com/suai-materials/lab_5_mm_2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/suai-materials/lab_5_mm_2 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c925f6135ec0bbc1a0b58f5b3d72e31765748f4ebf84234c8f6697b2f873e2f1
[INFO] running `Command { std: "docker" "start" "-a" "c925f6135ec0bbc1a0b58f5b3d72e31765748f4ebf84234c8f6697b2f873e2f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c925f6135ec0bbc1a0b58f5b3d72e31765748f4ebf84234c8f6697b2f873e2f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c925f6135ec0bbc1a0b58f5b3d72e31765748f4ebf84234c8f6697b2f873e2f1", kill_on_drop: false }`
[INFO] [stdout] c925f6135ec0bbc1a0b58f5b3d72e31765748f4ebf84234c8f6697b2f873e2f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1511d3968acc3fbfc927d55d4bbc6f7d6a201ce9b66769a1b412fe03d35b856f
[INFO] running `Command { std: "docker" "start" "-a" "1511d3968acc3fbfc927d55d4bbc6f7d6a201ce9b66769a1b412fe03d35b856f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling getrandom v0.2.8
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling lab5_2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `T` should have a snake case name
[INFO] [stdout]   --> src/main.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut T: f64 = 0.;
[INFO] [stdout]    |             ^ help: convert the identifier to snake case: `t`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.81s
[INFO] running `Command { std: "docker" "inspect" "1511d3968acc3fbfc927d55d4bbc6f7d6a201ce9b66769a1b412fe03d35b856f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1511d3968acc3fbfc927d55d4bbc6f7d6a201ce9b66769a1b412fe03d35b856f", kill_on_drop: false }`
[INFO] [stdout] 1511d3968acc3fbfc927d55d4bbc6f7d6a201ce9b66769a1b412fe03d35b856f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ef17a02d3a61b5e45d8476af7bd07ccd1e94289da50e5a7042d0e83b525a417
[INFO] running `Command { std: "docker" "start" "-a" "3ef17a02d3a61b5e45d8476af7bd07ccd1e94289da50e5a7042d0e83b525a417", kill_on_drop: false }`
[INFO] [stderr]    Compiling lab5_2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `T` should have a snake case name
[INFO] [stdout]   --> src/main.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut T: f64 = 0.;
[INFO] [stdout]    |             ^ help: convert the identifier to snake case: `t`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "3ef17a02d3a61b5e45d8476af7bd07ccd1e94289da50e5a7042d0e83b525a417", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ef17a02d3a61b5e45d8476af7bd07ccd1e94289da50e5a7042d0e83b525a417", kill_on_drop: false }`
[INFO] [stdout] 3ef17a02d3a61b5e45d8476af7bd07ccd1e94289da50e5a7042d0e83b525a417