[INFO] cloning repository https://github.com/Lylixn/sorting_rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Lylixn/sorting_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLylixn%2Fsorting_rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLylixn%2Fsorting_rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d0351bbffa3948c63ca941790e08538e28c3eb20
[INFO] building Lylixn/sorting_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%2FLylixn%2Fsorting_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/Lylixn/sorting_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/Lylixn/sorting_rs
[INFO] finished tweaking git repo https://github.com/Lylixn/sorting_rs
[INFO] tweaked toml for git repo https://github.com/Lylixn/sorting_rs written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Lylixn/sorting_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] aac194bb06ff708fdb65f8a24d57cc0ec16faa78324d9b43d4ea5681909a48ca
[INFO] running `Command { std: "docker" "start" "-a" "aac194bb06ff708fdb65f8a24d57cc0ec16faa78324d9b43d4ea5681909a48ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aac194bb06ff708fdb65f8a24d57cc0ec16faa78324d9b43d4ea5681909a48ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aac194bb06ff708fdb65f8a24d57cc0ec16faa78324d9b43d4ea5681909a48ca", kill_on_drop: false }`
[INFO] [stdout] aac194bb06ff708fdb65f8a24d57cc0ec16faa78324d9b43d4ea5681909a48ca
[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] e54c76fc32b5629fd29bc1ff8b85d2c25d39556dcef249b805b814f08867abc6
[INFO] running `Command { std: "docker" "start" "-a" "e54c76fc32b5629fd29bc1ff8b85d2c25d39556dcef249b805b814f08867abc6", kill_on_drop: false }`
[INFO] [stderr]    Compiling zerocopy v0.8.0-alpha.6
[INFO] [stderr]    Compiling rand_core v0.9.0-alpha.1
[INFO] [stderr]    Compiling rand_chacha v0.9.0-alpha.1
[INFO] [stderr]    Compiling rand v0.9.0-alpha.1
[INFO] [stderr]    Compiling sorting v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `SliceRandom`
[INFO] [stdout]  --> src/bozo_sort.rs:1:32
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand::seq::{IndexedRandom, SliceRandom};
[INFO] [stdout]   |                                ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut arr = [64, 34, 25, 12, 22, 11, 90];
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `insertion_sort` is never used
[INFO] [stdout]  --> src/insert_sort.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn insertion_sort(arr: &mut [i32]) {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `recursive_insert_sort` is never used
[INFO] [stdout]  --> src/recursive_insert_sort.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn recursive_insert_sort(arr: &mut [i32], n: usize) -> &mut [i32] {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bogo_sort` is never used
[INFO] [stdout]  --> src/bogo_sort.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn bogo_sort(arr: &mut [i32]) {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bozo_sort` is never used
[INFO] [stdout]  --> src/bozo_sort.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn bozo_sort(arr: &mut [i32]) {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_sorted` is never used
[INFO] [stdout]  --> src/is_sorted.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn is_sorted(arr: &[i32]) -> bool {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `Command { std: "docker" "inspect" "e54c76fc32b5629fd29bc1ff8b85d2c25d39556dcef249b805b814f08867abc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e54c76fc32b5629fd29bc1ff8b85d2c25d39556dcef249b805b814f08867abc6", kill_on_drop: false }`
[INFO] [stdout] e54c76fc32b5629fd29bc1ff8b85d2c25d39556dcef249b805b814f08867abc6
[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] 92049f813f3ce7e8e4c987993d6e94eaf8cab804a87cb8b220b010410d662a0b
[INFO] running `Command { std: "docker" "start" "-a" "92049f813f3ce7e8e4c987993d6e94eaf8cab804a87cb8b220b010410d662a0b", kill_on_drop: false }`
[INFO] [stderr]    Compiling sorting v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `SliceRandom`
[INFO] [stdout]  --> src/bozo_sort.rs:1:32
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand::seq::{IndexedRandom, SliceRandom};
[INFO] [stdout]   |                                ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut arr = [64, 34, 25, 12, 22, 11, 90];
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `insertion_sort` is never used
[INFO] [stdout]  --> src/insert_sort.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn insertion_sort(arr: &mut [i32]) {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `recursive_insert_sort` is never used
[INFO] [stdout]  --> src/recursive_insert_sort.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn recursive_insert_sort(arr: &mut [i32], n: usize) -> &mut [i32] {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bogo_sort` is never used
[INFO] [stdout]  --> src/bogo_sort.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn bogo_sort(arr: &mut [i32]) {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bozo_sort` is never used
[INFO] [stdout]  --> src/bozo_sort.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn bozo_sort(arr: &mut [i32]) {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_sorted` is never used
[INFO] [stdout]  --> src/is_sorted.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn is_sorted(arr: &[i32]) -> bool {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "92049f813f3ce7e8e4c987993d6e94eaf8cab804a87cb8b220b010410d662a0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92049f813f3ce7e8e4c987993d6e94eaf8cab804a87cb8b220b010410d662a0b", kill_on_drop: false }`
[INFO] [stdout] 92049f813f3ce7e8e4c987993d6e94eaf8cab804a87cb8b220b010410d662a0b