[INFO] cloning repository https://github.com/gpierzynski/sorting
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gpierzynski/sorting" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgpierzynski%2Fsorting", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgpierzynski%2Fsorting'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0e71a168fb88c8f6e6861bb53f0398f219dc3a65
[INFO] testing gpierzynski/sorting against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgpierzynski%2Fsorting" "/workspace/builds/worker-49/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-49/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gpierzynski/sorting on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gpierzynski/sorting
[INFO] finished tweaking git repo https://github.com/gpierzynski/sorting
[INFO] tweaked toml for git repo https://github.com/gpierzynski/sorting written to /workspace/builds/worker-49/source/Cargo.toml
[INFO] crate git repo https://github.com/gpierzynski/sorting already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8ecae7225161fbe52e7177278e744458eaacbf8699cbcba92821c335b8e7680f
[INFO] running `Command { std: "docker" "start" "-a" "8ecae7225161fbe52e7177278e744458eaacbf8699cbcba92821c335b8e7680f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ecae7225161fbe52e7177278e744458eaacbf8699cbcba92821c335b8e7680f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ecae7225161fbe52e7177278e744458eaacbf8699cbcba92821c335b8e7680f", kill_on_drop: false }`
[INFO] [stdout] 8ecae7225161fbe52e7177278e744458eaacbf8699cbcba92821c335b8e7680f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c3d0af3284715f70d344a79330514d99f90582c5e06772ae28d1f60364db266
[INFO] running `Command { std: "docker" "start" "-a" "3c3d0af3284715f70d344a79330514d99f90582c5e06772ae28d1f60364db266", kill_on_drop: false }`
[INFO] [stderr]    Compiling sorts v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/main.rs:17:36
[INFO] [stdout]    |
[INFO] [stdout] 17 |     quick::quick_sort(&mut sortme, 0, (a.len() as i32));
[INFO] [stdout]    |                                       ^              ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 17 -     quick::quick_sort(&mut sortme, 0, (a.len() as i32));
[INFO] [stdout] 17 +     quick::quick_sort(&mut sortme, 0, a.len() as i32);
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/quick.rs:6:6
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut x = a[(r-1) as usize];
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/quick.rs:25:6
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let mut q: i32;
[INFO] [stdout]    |         ----^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "3c3d0af3284715f70d344a79330514d99f90582c5e06772ae28d1f60364db266", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c3d0af3284715f70d344a79330514d99f90582c5e06772ae28d1f60364db266", kill_on_drop: false }`
[INFO] [stdout] 3c3d0af3284715f70d344a79330514d99f90582c5e06772ae28d1f60364db266
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c2716a228224a4749b44ff41075c6c6ddd3b82af5ebfbc9f7956e86063603321
[INFO] running `Command { std: "docker" "start" "-a" "c2716a228224a4749b44ff41075c6c6ddd3b82af5ebfbc9f7956e86063603321", kill_on_drop: false }`
[INFO] [stderr]    Compiling sorts v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/main.rs:17:36
[INFO] [stdout]    |
[INFO] [stdout] 17 |     quick::quick_sort(&mut sortme, 0, (a.len() as i32));
[INFO] [stdout]    |                                       ^              ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 17 -     quick::quick_sort(&mut sortme, 0, (a.len() as i32));
[INFO] [stdout] 17 +     quick::quick_sort(&mut sortme, 0, a.len() as i32);
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/quick.rs:6:6
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut x = a[(r-1) as usize];
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/quick.rs:25:6
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let mut q: i32;
[INFO] [stdout]    |         ----^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "c2716a228224a4749b44ff41075c6c6ddd3b82af5ebfbc9f7956e86063603321", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2716a228224a4749b44ff41075c6c6ddd3b82af5ebfbc9f7956e86063603321", kill_on_drop: false }`
[INFO] [stdout] c2716a228224a4749b44ff41075c6c6ddd3b82af5ebfbc9f7956e86063603321
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4fccfee5d74b20a1f62efff2942aeb21c85fce5ab5ebaa48adc25fb8cc0ff004
[INFO] running `Command { std: "docker" "start" "-a" "4fccfee5d74b20a1f62efff2942aeb21c85fce5ab5ebaa48adc25fb8cc0ff004", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/main.rs:17:36
[INFO] [stderr]    |
[INFO] [stderr] 17 |     quick::quick_sort(&mut sortme, 0, (a.len() as i32));
[INFO] [stderr]    |                                       ^              ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 17 -     quick::quick_sort(&mut sortme, 0, (a.len() as i32));
[INFO] [stderr] 17 +     quick::quick_sort(&mut sortme, 0, a.len() as i32);
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/quick.rs:6:6
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let mut x = a[(r-1) as usize];
[INFO] [stderr]   |         ----^
[INFO] [stderr]   |         |
[INFO] [stderr]   |         help: remove this `mut`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/quick.rs:25:6
[INFO] [stderr]    |
[INFO] [stderr] 25 |     let mut q: i32;
[INFO] [stderr]    |         ----^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: `sorts` (bin "sorts" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sorts-21dbe12666fe546b)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4fccfee5d74b20a1f62efff2942aeb21c85fce5ab5ebaa48adc25fb8cc0ff004", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fccfee5d74b20a1f62efff2942aeb21c85fce5ab5ebaa48adc25fb8cc0ff004", kill_on_drop: false }`
[INFO] [stdout] 4fccfee5d74b20a1f62efff2942aeb21c85fce5ab5ebaa48adc25fb8cc0ff004