[INFO] cloning repository https://github.com/dctk/algorithm_rust_sort_sample
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dctk/algorithm_rust_sort_sample" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdctk%2Falgorithm_rust_sort_sample", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdctk%2Falgorithm_rust_sort_sample'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 512c664dd9921e1b4099624b4d8ccde937216c12
[INFO] testing dctk/algorithm_rust_sort_sample against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdctk%2Falgorithm_rust_sort_sample" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dctk/algorithm_rust_sort_sample on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dctk/algorithm_rust_sort_sample
[INFO] finished tweaking git repo https://github.com/dctk/algorithm_rust_sort_sample
[INFO] tweaked toml for git repo https://github.com/dctk/algorithm_rust_sort_sample written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/dctk/algorithm_rust_sort_sample already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0ec080f7e7a88ed0f3c96cbcfd369dd9a666aa70e2a3b89c0727b31f7e3d93c1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0ec080f7e7a88ed0f3c96cbcfd369dd9a666aa70e2a3b89c0727b31f7e3d93c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ec080f7e7a88ed0f3c96cbcfd369dd9a666aa70e2a3b89c0727b31f7e3d93c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ec080f7e7a88ed0f3c96cbcfd369dd9a666aa70e2a3b89c0727b31f7e3d93c1", kill_on_drop: false }`
[INFO] [stdout] 0ec080f7e7a88ed0f3c96cbcfd369dd9a666aa70e2a3b89c0727b31f7e3d93c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "-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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03cc5ed2f9d696e190b33b0bf9e699cb79158e70e9b1c3c309abc3d4490f3ed4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "03cc5ed2f9d696e190b33b0bf9e699cb79158e70e9b1c3c309abc3d4490f3ed4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling algorithm_rust_sort_sample v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rand::Rng;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/main.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |         for i in 0..10000 {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> src/main.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 |           let result = $proc;
[INFO] [stdout]    |               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] ...
[INFO] [stdout] 30 | /         proc_time!({
[INFO] [stdout] 31 | |             sort::bubble_sort(&mut data);
[INFO] [stdout] 32 | |         });
[INFO] [stdout]    | |___________- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/main.rs:39:13
[INFO] [stdout]    |
[INFO] [stdout] 39 |         for i in 0..10000 {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> src/main.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 |           let result = $proc;
[INFO] [stdout]    |               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] ...
[INFO] [stdout] 43 | /         proc_time!({
[INFO] [stdout] 44 | |             let len =data.len();
[INFO] [stdout] 45 | |             sort::quick_sort(&mut data,0,len-1);
[INFO] [stdout] 46 | |         });
[INFO] [stdout]    | |___________- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/main.rs:53:13
[INFO] [stdout]    |
[INFO] [stdout] 53 |         for i in 0..10000 {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> src/main.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 |           let result = $proc;
[INFO] [stdout]    |               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] ...
[INFO] [stdout] 57 | /         proc_time!({
[INFO] [stdout] 58 | |             let len =data.len();
[INFO] [stdout] 59 | |             sort::merge_sort(&mut data,0,len-1);
[INFO] [stdout] 60 | |         });
[INFO] [stdout]    | |___________- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/main.rs:67:13
[INFO] [stdout]    |
[INFO] [stdout] 67 |         for i in 0..10000 {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> src/main.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 |           let result = $proc;
[INFO] [stdout]    |               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] ...
[INFO] [stdout] 71 | /         proc_time!({
[INFO] [stdout] 72 | |             sort::comb_sort(&mut data);
[INFO] [stdout] 73 | |         });
[INFO] [stdout]    | |___________- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/main.rs:80:13
[INFO] [stdout]    |
[INFO] [stdout] 80 |         for i in 0..10000 {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> src/main.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 |           let result = $proc;
[INFO] [stdout]    |               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] ...
[INFO] [stdout] 84 | /         proc_time!({
[INFO] [stdout] 85 | |             sort::insert_sort(&mut data);
[INFO] [stdout] 86 | |         });
[INFO] [stdout]    | |___________- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `flg` is never read
[INFO] [stdout]    --> src/sort.rs:132:9
[INFO] [stdout]     |
[INFO] [stdout] 132 |     let mut flg = false;
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.30s
[INFO] running `Command { std: "docker" "inspect" "03cc5ed2f9d696e190b33b0bf9e699cb79158e70e9b1c3c309abc3d4490f3ed4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03cc5ed2f9d696e190b33b0bf9e699cb79158e70e9b1c3c309abc3d4490f3ed4", kill_on_drop: false }`
[INFO] [stdout] 03cc5ed2f9d696e190b33b0bf9e699cb79158e70e9b1c3c309abc3d4490f3ed4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "-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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 47cc522e57d5598eefe057fc38b062bf240cb73e75b89cc8aec1c1f70794ac94
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "47cc522e57d5598eefe057fc38b062bf240cb73e75b89cc8aec1c1f70794ac94", kill_on_drop: false }`
[INFO] [stderr]    Compiling algorithm_rust_sort_sample v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rand::Rng;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/main.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |         for i in 0..10000 {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> src/main.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 |           let result = $proc;
[INFO] [stdout]    |               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] ...
[INFO] [stdout] 30 | /         proc_time!({
[INFO] [stdout] 31 | |             sort::bubble_sort(&mut data);
[INFO] [stdout] 32 | |         });
[INFO] [stdout]    | |___________- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/main.rs:39:13
[INFO] [stdout]    |
[INFO] [stdout] 39 |         for i in 0..10000 {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> src/main.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 |           let result = $proc;
[INFO] [stdout]    |               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] ...
[INFO] [stdout] 43 | /         proc_time!({
[INFO] [stdout] 44 | |             let len =data.len();
[INFO] [stdout] 45 | |             sort::quick_sort(&mut data,0,len-1);
[INFO] [stdout] 46 | |         });
[INFO] [stdout]    | |___________- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/main.rs:53:13
[INFO] [stdout]    |
[INFO] [stdout] 53 |         for i in 0..10000 {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> src/main.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 |           let result = $proc;
[INFO] [stdout]    |               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] ...
[INFO] [stdout] 57 | /         proc_time!({
[INFO] [stdout] 58 | |             let len =data.len();
[INFO] [stdout] 59 | |             sort::merge_sort(&mut data,0,len-1);
[INFO] [stdout] 60 | |         });
[INFO] [stdout]    | |___________- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/main.rs:67:13
[INFO] [stdout]    |
[INFO] [stdout] 67 |         for i in 0..10000 {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> src/main.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 |           let result = $proc;
[INFO] [stdout]    |               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] ...
[INFO] [stdout] 71 | /         proc_time!({
[INFO] [stdout] 72 | |             sort::comb_sort(&mut data);
[INFO] [stdout] 73 | |         });
[INFO] [stdout]    | |___________- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/main.rs:80:13
[INFO] [stdout]    |
[INFO] [stdout] 80 |         for i in 0..10000 {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> src/main.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 |           let result = $proc;
[INFO] [stdout]    |               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] ...
[INFO] [stdout] 84 | /         proc_time!({
[INFO] [stdout] 85 | |             sort::insert_sort(&mut data);
[INFO] [stdout] 86 | |         });
[INFO] [stdout]    | |___________- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `flg` is never read
[INFO] [stdout]    --> src/sort.rs:132:9
[INFO] [stdout]     |
[INFO] [stdout] 132 |     let mut flg = false;
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `Command { std: "docker" "inspect" "47cc522e57d5598eefe057fc38b062bf240cb73e75b89cc8aec1c1f70794ac94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47cc522e57d5598eefe057fc38b062bf240cb73e75b89cc8aec1c1f70794ac94", kill_on_drop: false }`
[INFO] [stdout] 47cc522e57d5598eefe057fc38b062bf240cb73e75b89cc8aec1c1f70794ac94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "-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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2d732a4794fa408af2d1ba2f793cb5cfcd61c649ec51677a1966cd6a8cb33a3c
[INFO] running `Command { std: "docker" "start" "-a" "2d732a4794fa408af2d1ba2f793cb5cfcd61c649ec51677a1966cd6a8cb33a3c", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `rand::Rng`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use rand::Rng;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/main.rs:26:13
[INFO] [stderr]    |
[INFO] [stderr] 26 |         for i in 0..10000 {
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `result`
[INFO] [stderr]   --> src/main.rs:11:7
[INFO] [stderr]    |
[INFO] [stderr] 11 |           let result = $proc;
[INFO] [stderr]    |               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stderr] ...
[INFO] [stderr] 30 | /         proc_time!({
[INFO] [stderr] 31 | |             sort::bubble_sort(&mut data);
[INFO] [stderr] 32 | |         });
[INFO] [stderr]    | |___________- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/main.rs:39:13
[INFO] [stderr]    |
[INFO] [stderr] 39 |         for i in 0..10000 {
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `result`
[INFO] [stderr]   --> src/main.rs:11:7
[INFO] [stderr]    |
[INFO] [stderr] 11 |           let result = $proc;
[INFO] [stderr]    |               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stderr] ...
[INFO] [stderr] 43 | /         proc_time!({
[INFO] [stderr] 44 | |             let len =data.len();
[INFO] [stderr] 45 | |             sort::quick_sort(&mut data,0,len-1);
[INFO] [stderr] 46 | |         });
[INFO] [stderr]    | |___________- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/main.rs:53:13
[INFO] [stderr]    |
[INFO] [stderr] 53 |         for i in 0..10000 {
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `result`
[INFO] [stderr]   --> src/main.rs:11:7
[INFO] [stderr]    |
[INFO] [stderr] 11 |           let result = $proc;
[INFO] [stderr]    |               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stderr] ...
[INFO] [stderr] 57 | /         proc_time!({
[INFO] [stderr] 58 | |             let len =data.len();
[INFO] [stderr] 59 | |             sort::merge_sort(&mut data,0,len-1);
[INFO] [stderr] 60 | |         });
[INFO] [stderr]    | |___________- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/main.rs:67:13
[INFO] [stderr]    |
[INFO] [stderr] 67 |         for i in 0..10000 {
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `result`
[INFO] [stderr]   --> src/main.rs:11:7
[INFO] [stderr]    |
[INFO] [stderr] 11 |           let result = $proc;
[INFO] [stderr]    |               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stderr] ...
[INFO] [stderr] 71 | /         proc_time!({
[INFO] [stderr] 72 | |             sort::comb_sort(&mut data);
[INFO] [stderr] 73 | |         });
[INFO] [stderr]    | |___________- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/main.rs:80:13
[INFO] [stderr]    |
[INFO] [stderr] 80 |         for i in 0..10000 {
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `result`
[INFO] [stderr]   --> src/main.rs:11:7
[INFO] [stderr]    |
[INFO] [stderr] 11 |           let result = $proc;
[INFO] [stderr]    |               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stderr] ...
[INFO] [stderr] 84 | /         proc_time!({
[INFO] [stderr] 85 | |             sort::insert_sort(&mut data);
[INFO] [stderr] 86 | |         });
[INFO] [stderr]    | |___________- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `flg` is never read
[INFO] [stderr]    --> src/sort.rs:132:9
[INFO] [stderr]     |
[INFO] [stderr] 132 |     let mut flg = false;
[INFO] [stderr]     |         ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: 12 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/algorithm_rust_sort_sample-28177164e21828b7
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test sort::test_bubble_sort ... ok
[INFO] [stdout] test sort::test_comb_sort ... ok
[INFO] [stdout] test sort::test_merge_sort ... ok
[INFO] [stdout] test sort::test_insert_sort ... ok
[INFO] [stdout] test sort::test_quick_sort ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2d732a4794fa408af2d1ba2f793cb5cfcd61c649ec51677a1966cd6a8cb33a3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d732a4794fa408af2d1ba2f793cb5cfcd61c649ec51677a1966cd6a8cb33a3c", kill_on_drop: false }`
[INFO] [stdout] 2d732a4794fa408af2d1ba2f793cb5cfcd61c649ec51677a1966cd6a8cb33a3c