[INFO] cloning repository https://github.com/canelhasmateus/algos
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/canelhasmateus/algos" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcanelhasmateus%2Falgos", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcanelhasmateus%2Falgos'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6d0cd19bb2615926ca1706fb24ffecc679c017ea
[INFO] testing canelhasmateus/algos against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcanelhasmateus%2Falgos" "/workspace/builds/worker-51/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-51/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/canelhasmateus/algos on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/canelhasmateus/algos
[INFO] finished tweaking git repo https://github.com/canelhasmateus/algos
[INFO] tweaked toml for git repo https://github.com/canelhasmateus/algos written to /workspace/builds/worker-51/source/Cargo.toml
[INFO] crate git repo https://github.com/canelhasmateus/algos already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 365b37aba24eaf349b96618b5bff5704caae9cf51297eaae13e8af14fa0e3bf3
[INFO] running `Command { std: "docker" "start" "-a" "365b37aba24eaf349b96618b5bff5704caae9cf51297eaae13e8af14fa0e3bf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "365b37aba24eaf349b96618b5bff5704caae9cf51297eaae13e8af14fa0e3bf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "365b37aba24eaf349b96618b5bff5704caae9cf51297eaae13e8af14fa0e3bf3", kill_on_drop: false }`
[INFO] [stdout] 365b37aba24eaf349b96618b5bff5704caae9cf51297eaae13e8af14fa0e3bf3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4daad24c1f5b6350965490722a0f4aad8eeec6fac908815e07938a959d7ac254
[INFO] running `Command { std: "docker" "start" "-a" "4daad24c1f5b6350965490722a0f4aad8eeec6fac908815e07938a959d7ac254", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling algos v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]   --> src/chapter2/chapter2.rs:27:22
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn random_vector(size: usize) -> Vec<usize> {
[INFO] [stdout]    |                      ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `input_length`
[INFO] [stdout]  --> src/chapter2/chapter2.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     input_length: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `n_assignments`
[INFO] [stdout]  --> src/chapter2/chapter2.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     n_assignments: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `n_comparisons`
[INFO] [stdout]  --> src/chapter2/chapter2.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     n_comparisons: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `n_indexings`
[INFO] [stdout]  --> src/chapter2/chapter2.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     n_indexings: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `n_swaps`
[INFO] [stdout]   --> src/chapter2/chapter2.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     n_swaps: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `time_elapsed`
[INFO] [stdout]   --> src/chapter2/chapter2.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     time_elapsed: u128,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/chapter2/chapter2.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn new(length: usize) -> SortingStatistics {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `random_vector`
[INFO] [stdout]   --> src/chapter2/chapter2.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn random_vector(size: usize) -> Vec<usize> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `insertion_sort`
[INFO] [stdout]   --> src/chapter2/chapter2.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub fn insertion_sort<T: Ord>(array: &mut Vec<T>) -> SortingStatistics {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.61s
[INFO] running `Command { std: "docker" "inspect" "4daad24c1f5b6350965490722a0f4aad8eeec6fac908815e07938a959d7ac254", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4daad24c1f5b6350965490722a0f4aad8eeec6fac908815e07938a959d7ac254", kill_on_drop: false }`
[INFO] [stdout] 4daad24c1f5b6350965490722a0f4aad8eeec6fac908815e07938a959d7ac254
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 23ff63535ac95b768e0c2066ac8094df218c9acc7f27066733986e6ff9b708c7
[INFO] running `Command { std: "docker" "start" "-a" "23ff63535ac95b768e0c2066ac8094df218c9acc7f27066733986e6ff9b708c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling algos v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]   --> src/chapter2/chapter2.rs:27:22
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn random_vector(size: usize) -> Vec<usize> {
[INFO] [stdout]    |                      ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `input_length`
[INFO] [stdout]  --> src/chapter2/chapter2.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     input_length: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "23ff63535ac95b768e0c2066ac8094df218c9acc7f27066733986e6ff9b708c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23ff63535ac95b768e0c2066ac8094df218c9acc7f27066733986e6ff9b708c7", kill_on_drop: false }`
[INFO] [stdout] 23ff63535ac95b768e0c2066ac8094df218c9acc7f27066733986e6ff9b708c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 63c5804565a1f904143b4e7c791f9580cb820329acdaa7bf58c67dc497a35653
[INFO] running `Command { std: "docker" "start" "-a" "63c5804565a1f904143b4e7c791f9580cb820329acdaa7bf58c67dc497a35653", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `size`
[INFO] [stderr]   --> src/chapter2/chapter2.rs:27:22
[INFO] [stderr]    |
[INFO] [stderr] 27 | pub fn random_vector(size: usize) -> Vec<usize> {
[INFO] [stderr]    |                      ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `input_length`
[INFO] [stderr]  --> src/chapter2/chapter2.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     input_length: usize,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `algos` (bin "algos" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/algos-66fabaab0fc5bd36)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test chapter2::chapter2::insertion ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 22.16s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "63c5804565a1f904143b4e7c791f9580cb820329acdaa7bf58c67dc497a35653", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63c5804565a1f904143b4e7c791f9580cb820329acdaa7bf58c67dc497a35653", kill_on_drop: false }`
[INFO] [stdout] 63c5804565a1f904143b4e7c791f9580cb820329acdaa7bf58c67dc497a35653