[INFO] cloning repository https://github.com/DiscoBiscuit99/sort-it
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DiscoBiscuit99/sort-it" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDiscoBiscuit99%2Fsort-it", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDiscoBiscuit99%2Fsort-it'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2a11825565644dae6e240b624d021437cddf779e
[INFO] building DiscoBiscuit99/sort-it 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%2FDiscoBiscuit99%2Fsort-it" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DiscoBiscuit99/sort-it 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/DiscoBiscuit99/sort-it
[INFO] finished tweaking git repo https://github.com/DiscoBiscuit99/sort-it
[INFO] tweaked toml for git repo https://github.com/DiscoBiscuit99/sort-it written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/DiscoBiscuit99/sort-it 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]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.116
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 7d3a6af99536b8e6d39e3f3f2d7e1ed6b0c838378350024207bd19115b306954
[INFO] running `Command { std: "docker" "start" "-a" "7d3a6af99536b8e6d39e3f3f2d7e1ed6b0c838378350024207bd19115b306954", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d3a6af99536b8e6d39e3f3f2d7e1ed6b0c838378350024207bd19115b306954", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d3a6af99536b8e6d39e3f3f2d7e1ed6b0c838378350024207bd19115b306954", kill_on_drop: false }`
[INFO] [stdout] 7d3a6af99536b8e6d39e3f3f2d7e1ed6b0c838378350024207bd19115b306954
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] c0f8f6e1c3d5dbbb7c8ef8ba4e84dd25a24e0b423fc66a81d506215ded646fa6
[INFO] running `Command { std: "docker" "start" "-a" "c0f8f6e1c3d5dbbb7c8ef8ba4e84dd25a24e0b423fc66a81d506215ded646fa6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.116
[INFO] [stderr]    Compiling getrandom v0.2.4
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling sort-it v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `quicksort::*`
[INFO] [stdout]   --> src/algorithms/mod.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub use quicksort::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tree_sort::*`
[INFO] [stdout]   --> src/algorithms/mod.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub use tree_sort::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sort_it::prelude::*`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use sort_it::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `Command { std: "docker" "inspect" "c0f8f6e1c3d5dbbb7c8ef8ba4e84dd25a24e0b423fc66a81d506215ded646fa6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0f8f6e1c3d5dbbb7c8ef8ba4e84dd25a24e0b423fc66a81d506215ded646fa6", kill_on_drop: false }`
[INFO] [stdout] c0f8f6e1c3d5dbbb7c8ef8ba4e84dd25a24e0b423fc66a81d506215ded646fa6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 550c65b59afa1ce94fac1a8a263d33c9b89cafc96e16a2d2770970fde36d2aa7
[INFO] running `Command { std: "docker" "start" "-a" "550c65b59afa1ce94fac1a8a263d33c9b89cafc96e16a2d2770970fde36d2aa7", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `quicksort::*`
[INFO] [stdout]   --> src/algorithms/mod.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub use quicksort::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tree_sort::*`
[INFO] [stdout]   --> src/algorithms/mod.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub use tree_sort::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling sort-it v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `sort_it::prelude::*`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use sort_it::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `quicksort::*`
[INFO] [stdout]   --> src/algorithms/mod.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub use quicksort::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tree_sort::*`
[INFO] [stdout]   --> src/algorithms/mod.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub use tree_sort::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "550c65b59afa1ce94fac1a8a263d33c9b89cafc96e16a2d2770970fde36d2aa7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "550c65b59afa1ce94fac1a8a263d33c9b89cafc96e16a2d2770970fde36d2aa7", kill_on_drop: false }`
[INFO] [stdout] 550c65b59afa1ce94fac1a8a263d33c9b89cafc96e16a2d2770970fde36d2aa7