[INFO] cloning repository https://github.com/rayman2000/mixing-sort
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rayman2000/mixing-sort" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frayman2000%2Fmixing-sort", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frayman2000%2Fmixing-sort'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 52d60e4eb047007ffa56da8dadc9f3193e764ba6
[INFO] checking rayman2000/mixing-sort against try#b28cc4eb48a6415b914e8ad0308be255ff8d73ed for pr-156508
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frayman2000%2Fmixing-sort" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/rayman2000/mixing-sort
[INFO] finished tweaking git repo https://github.com/rayman2000/mixing-sort
[INFO] tweaked toml for git repo https://github.com/rayman2000/mixing-sort written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rayman2000/mixing-sort on toolchain b28cc4eb48a6415b914e8ad0308be255ff8d73ed
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rayman2000/mixing-sort 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" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded plotters-bitmap v0.3.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce7559722912c992a71fe666fecacb42b8bce89245358f886dd631dd5a951457
[INFO] running `Command { std: "docker" "start" "-a" "ce7559722912c992a71fe666fecacb42b8bce89245358f886dd631dd5a951457", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce7559722912c992a71fe666fecacb42b8bce89245358f886dd631dd5a951457", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce7559722912c992a71fe666fecacb42b8bce89245358f886dd631dd5a951457", kill_on_drop: false }`
[INFO] [stdout] ce7559722912c992a71fe666fecacb42b8bce89245358f886dd631dd5a951457
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 72fc68a01e1536055a3ea400c194543779ec272dc6ba4ca21d75d787f11a9ad2
[INFO] running `Command { std: "docker" "start" "-a" "72fc68a01e1536055a3ea400c194543779ec272dc6ba4ca21d75d787f11a9ad2", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]    Compiling yeslogic-fontconfig-sys v6.0.0
[INFO] [stderr]    Compiling freetype-sys v0.20.1
[INFO] [stderr]    Compiling pathfinder_simd v0.5.5
[INFO] [stderr]    Compiling font-kit v0.14.3
[INFO] [stderr]     Checking bitflags v2.11.0
[INFO] [stderr]     Checking cpufeatures v0.3.0
[INFO] [stderr]     Checking float-ord v0.3.2
[INFO] [stderr]     Checking plotters-backend v0.3.7
[INFO] [stderr]     Checking dirs-sys v0.5.0
[INFO] [stderr]     Checking ttf-parser v0.20.0
[INFO] [stderr]     Checking png v0.17.16
[INFO] [stderr]     Checking rayon v1.11.0
[INFO] [stderr]     Checking chacha20 v0.10.0
[INFO] [stderr]     Checking dirs v6.0.0
[INFO] [stderr]     Checking rand v0.10.0
[INFO] [stderr]     Checking image v0.24.9
[INFO] [stderr]     Checking pathfinder_geometry v0.5.1
[INFO] [stderr]     Checking plotters-bitmap v0.3.7
[INFO] [stderr]     Checking plotters v0.3.7
[INFO] [stderr]     Checking mixing-sort v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `InsertionSorter` is never constructed
[INFO] [stdout]  --> src/insertion.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct InsertionSorter {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> src/insertion.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl InsertionSorter {
[INFO] [stdout]   | -------------------- associated function in this implementation
[INFO] [stdout] 9 |     pub fn new() -> Self {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HeapSorter` is never constructed
[INFO] [stdout]  --> src/heap.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct HeapSorter {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/heap.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl HeapSorter {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] 12 |     pub fn new(len: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `initial_gap` is never used
[INFO] [stdout]  --> src/shell.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn initial_gap(len: usize) -> usize {
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ShellSorter` is never constructed
[INFO] [stdout]   --> src/shell.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct ShellSorter {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/shell.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl ShellSorter {
[INFO] [stdout]    | ---------------- associated function in this implementation
[INFO] [stdout] 19 |     pub fn new(len: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.50s
[INFO] running `Command { std: "docker" "inspect" "72fc68a01e1536055a3ea400c194543779ec272dc6ba4ca21d75d787f11a9ad2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72fc68a01e1536055a3ea400c194543779ec272dc6ba4ca21d75d787f11a9ad2", kill_on_drop: false }`
[INFO] [stdout] 72fc68a01e1536055a3ea400c194543779ec272dc6ba4ca21d75d787f11a9ad2
