[INFO] cloning repository https://github.com/mxryan/rust_dsa_sorting
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mxryan/rust_dsa_sorting" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmxryan%2Frust_dsa_sorting", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmxryan%2Frust_dsa_sorting'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d0592de8b4d8df83ba8623942108e5018ffa24b4
[INFO] building mxryan/rust_dsa_sorting 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%2Fmxryan%2Frust_dsa_sorting" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mxryan/rust_dsa_sorting 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/mxryan/rust_dsa_sorting
[INFO] finished tweaking git repo https://github.com/mxryan/rust_dsa_sorting
[INFO] tweaked toml for git repo https://github.com/mxryan/rust_dsa_sorting written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/mxryan/rust_dsa_sorting 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 v0.2.144
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 9aeae67675efd4190a6a32f0512c1fadf895b29dd8a03f542889150fbe0cde9f
[INFO] running `Command { std: "docker" "start" "-a" "9aeae67675efd4190a6a32f0512c1fadf895b29dd8a03f542889150fbe0cde9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9aeae67675efd4190a6a32f0512c1fadf895b29dd8a03f542889150fbe0cde9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9aeae67675efd4190a6a32f0512c1fadf895b29dd8a03f542889150fbe0cde9f", kill_on_drop: false }`
[INFO] [stdout] 9aeae67675efd4190a6a32f0512c1fadf895b29dd8a03f542889150fbe0cde9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] e3a79de812a59aef1c96c6200e1ce1cfec7250253922153c212b2eefb26caa03
[INFO] running `Command { std: "docker" "start" "-a" "e3a79de812a59aef1c96c6200e1ce1cfec7250253922153c212b2eefb26caa03", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.8
[INFO] [stderr]    Compiling crossbeam-deque v0.8.3
[INFO] [stderr]    Compiling num_cpus v1.15.0
[INFO] [stderr]    Compiling rayon v1.7.0
[INFO] [stderr]    Compiling sorting v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `bubble_sort` is never used
[INFO] [stdout]  --> src/main.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn bubble_sort<T: PartialOrd>(v: &mut [T]) {
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bubble_sort_optimized` is never used
[INFO] [stdout]   --> src/main.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn bubble_sort_optimized<T: PartialOrd>(v: &mut [T]) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `merge_sort` is never used
[INFO] [stdout]   --> src/main.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn merge_sort<T: PartialOrd>(mut v: Vec<T>) -> Vec<T> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `pivot` is never used
[INFO] [stdout]    --> src/main.rs:103:4
[INFO] [stdout]     |
[INFO] [stdout] 103 | fn pivot<T: PartialOrd>(v: &mut [T]) -> usize {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `quick_sort` is never used
[INFO] [stdout]    --> src/main.rs:129:4
[INFO] [stdout]     |
[INFO] [stdout] 129 | fn quick_sort<T: PartialOrd>(v: &mut [T]) {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `quick_sort2` is never used
[INFO] [stdout]    --> src/main.rs:142:4
[INFO] [stdout]     |
[INFO] [stdout] 142 | fn quick_sort2<T: PartialOrd>(v: &mut [T]) {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `pivot2` is never used
[INFO] [stdout]    --> src/main.rs:156:4
[INFO] [stdout]     |
[INFO] [stdout] 156 | fn pivot2<T: PartialOrd>(v: &mut [T]) -> usize {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RawSend` is never constructed
[INFO] [stdout]    --> src/main.rs:170:8
[INFO] [stdout]     |
[INFO] [stdout] 170 | struct RawSend<T>(*mut [T]);
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `threaded_quick_sort` is never used
[INFO] [stdout]    --> src/main.rs:175:4
[INFO] [stdout]     |
[INFO] [stdout] 175 | fn threaded_quick_sort<T: 'static + PartialOrd + Send>(v: &mut [T]) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `quick_sort_rayon` is never used
[INFO] [stdout]    --> src/main.rs:197:4
[INFO] [stdout]     |
[INFO] [stdout] 197 | fn quick_sort_rayon<T:Send + PartialOrd>(v: &mut [T]) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fibonacci` is never used
[INFO] [stdout]    --> src/main.rs:223:4
[INFO] [stdout]     |
[INFO] [stdout] 223 | fn fibonacci(n:i32) -> i32 {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fibonacci_dynamic` is never used
[INFO] [stdout]    --> src/main.rs:235:4
[INFO] [stdout]     |
[INFO] [stdout] 235 | fn fibonacci_dynamic(n:i32) -> (i32, i32) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `rand` is never used
[INFO] [stdout]  --> src/b_rand.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn rand(max: usize) -> usize {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `curr`, `mul`, `inc`, and `modulo` are never read
[INFO] [stdout]   --> src/b_rand.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct RandGen {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 14 |     curr: usize,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 15 |     mul: usize,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 16 |     inc: usize,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 17 |     modulo: usize,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `next_v` is never used
[INFO] [stdout]   --> src/b_rand.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl RandGen {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 29 |     pub fn next_v(&mut self, max: usize) -> usize {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.96s
[INFO] running `Command { std: "docker" "inspect" "e3a79de812a59aef1c96c6200e1ce1cfec7250253922153c212b2eefb26caa03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3a79de812a59aef1c96c6200e1ce1cfec7250253922153c212b2eefb26caa03", kill_on_drop: false }`
[INFO] [stdout] e3a79de812a59aef1c96c6200e1ce1cfec7250253922153c212b2eefb26caa03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 09ee20d60566cd98b0e3c2b3cdb047d2360b3caec4c660eda7aef8fa411de210
[INFO] running `Command { std: "docker" "start" "-a" "09ee20d60566cd98b0e3c2b3cdb047d2360b3caec4c660eda7aef8fa411de210", kill_on_drop: false }`
[INFO] [stderr]    Compiling sorting v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `itza_me_a_randum_number` is never read
[INFO] [stdout]   --> src/b_rand.rs:42:17
[INFO] [stdout]    |
[INFO] [stdout] 42 |         let mut itza_me_a_randum_number = 0;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]    --> src/main.rs:278:13
[INFO] [stdout]     |
[INFO] [stdout] 278 |         let p = pivot(&mut v);
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fibonacci` is never used
[INFO] [stdout]    --> src/main.rs:223:4
[INFO] [stdout]     |
[INFO] [stdout] 223 | fn fibonacci(n:i32) -> i32 {
[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 0.40s
[INFO] running `Command { std: "docker" "inspect" "09ee20d60566cd98b0e3c2b3cdb047d2360b3caec4c660eda7aef8fa411de210", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09ee20d60566cd98b0e3c2b3cdb047d2360b3caec4c660eda7aef8fa411de210", kill_on_drop: false }`
[INFO] [stdout] 09ee20d60566cd98b0e3c2b3cdb047d2360b3caec4c660eda7aef8fa411de210