[INFO] cloning repository https://github.com/An-n-ya/number_theory_rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/An-n-ya/number_theory_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAn-n-ya%2Fnumber_theory_rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAn-n-ya%2Fnumber_theory_rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c836a712f88d3415cca8960d126044d0f4f0c1c0
[INFO] building An-n-ya/number_theory_rs 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%2FAn-n-ya%2Fnumber_theory_rs" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/An-n-ya/number_theory_rs 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/An-n-ya/number_theory_rs
[INFO] finished tweaking git repo https://github.com/An-n-ya/number_theory_rs
[INFO] tweaked toml for git repo https://github.com/An-n-ya/number_theory_rs written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/An-n-ya/number_theory_rs 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 49c419dc48e3e6e2e8b5afcaa2db0bd7e6048ce2a550c6f974c28f470c5a8048
[INFO] running `Command { std: "docker" "start" "-a" "49c419dc48e3e6e2e8b5afcaa2db0bd7e6048ce2a550c6f974c28f470c5a8048", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49c419dc48e3e6e2e8b5afcaa2db0bd7e6048ce2a550c6f974c28f470c5a8048", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49c419dc48e3e6e2e8b5afcaa2db0bd7e6048ce2a550c6f974c28f470c5a8048", kill_on_drop: false }`
[INFO] [stdout] 49c419dc48e3e6e2e8b5afcaa2db0bd7e6048ce2a550c6f974c28f470c5a8048
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] ebb168a6e38a1150a602048d26b30597b781cf5685ed9bce6299b14295ccc039
[INFO] running `Command { std: "docker" "start" "-a" "ebb168a6e38a1150a602048d26b30597b781cf5685ed9bce6299b14295ccc039", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling either v1.11.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling number_theory_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `calc_inversions_quick_sort` is never used
[INFO] [stdout]   --> src/inversions.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn calc_inversions_quick_sort(vec: &[usize]) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.33s
[INFO] running `Command { std: "docker" "inspect" "ebb168a6e38a1150a602048d26b30597b781cf5685ed9bce6299b14295ccc039", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebb168a6e38a1150a602048d26b30597b781cf5685ed9bce6299b14295ccc039", kill_on_drop: false }`
[INFO] [stdout] ebb168a6e38a1150a602048d26b30597b781cf5685ed9bce6299b14295ccc039
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 34f03dddb5d7cc3d517bc962c972fbd4a4dd1212d82991bc2c1f7d17b3e3275c
[INFO] running `Command { std: "docker" "start" "-a" "34f03dddb5d7cc3d517bc962c972fbd4a4dd1212d82991bc2c1f7d17b3e3275c", kill_on_drop: false }`
[INFO] [stderr]    Compiling number_theory_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `calc_inversions_quick_sort` is never used
[INFO] [stdout]   --> src/inversions.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn calc_inversions_quick_sort(vec: &[usize]) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "34f03dddb5d7cc3d517bc962c972fbd4a4dd1212d82991bc2c1f7d17b3e3275c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34f03dddb5d7cc3d517bc962c972fbd4a4dd1212d82991bc2c1f7d17b3e3275c", kill_on_drop: false }`
[INFO] [stdout] 34f03dddb5d7cc3d517bc962c972fbd4a4dd1212d82991bc2c1f7d17b3e3275c