[INFO] cloning repository https://github.com/JuanCarlosCardona/RustyDataStructures
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JuanCarlosCardona/RustyDataStructures" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJuanCarlosCardona%2FRustyDataStructures", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJuanCarlosCardona%2FRustyDataStructures'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 564828067fbed7873bbaa158cdeced2e07a26c25
[INFO] checking JuanCarlosCardona/RustyDataStructures against try#5785402183672f7786e9dc343d7b435bdaf4a4bc for pr-138001
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJuanCarlosCardona%2FRustyDataStructures" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JuanCarlosCardona/RustyDataStructures on toolchain 5785402183672f7786e9dc343d7b435bdaf4a4bc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5785402183672f7786e9dc343d7b435bdaf4a4bc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JuanCarlosCardona/RustyDataStructures
[INFO] finished tweaking git repo https://github.com/JuanCarlosCardona/RustyDataStructures
[INFO] tweaked toml for git repo https://github.com/JuanCarlosCardona/RustyDataStructures written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/JuanCarlosCardona/RustyDataStructures 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" "+5785402183672f7786e9dc343d7b435bdaf4a4bc" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking JuanCarlosCardona/RustyDataStructures against try#5785402183672f7786e9dc343d7b435bdaf4a4bc for pr-138001
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJuanCarlosCardona%2FRustyDataStructures" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JuanCarlosCardona/RustyDataStructures on toolchain 5785402183672f7786e9dc343d7b435bdaf4a4bc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5785402183672f7786e9dc343d7b435bdaf4a4bc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JuanCarlosCardona/RustyDataStructures
[INFO] finished tweaking git repo https://github.com/JuanCarlosCardona/RustyDataStructures
[INFO] tweaked toml for git repo https://github.com/JuanCarlosCardona/RustyDataStructures written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/JuanCarlosCardona/RustyDataStructures 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" "+5785402183672f7786e9dc343d7b435bdaf4a4bc" "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-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+5785402183672f7786e9dc343d7b435bdaf4a4bc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9c79814db488e56e9a2c3331009e153281c734c1a166bef3c0fb614f99b76a5c
[INFO] running `Command { std: "docker" "start" "-a" "9c79814db488e56e9a2c3331009e153281c734c1a166bef3c0fb614f99b76a5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c79814db488e56e9a2c3331009e153281c734c1a166bef3c0fb614f99b76a5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c79814db488e56e9a2c3331009e153281c734c1a166bef3c0fb614f99b76a5c", kill_on_drop: false }`
[INFO] [stdout] 9c79814db488e56e9a2c3331009e153281c734c1a166bef3c0fb614f99b76a5c
[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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+5785402183672f7786e9dc343d7b435bdaf4a4bc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 608bfc50ff2b2792c5c5b007b1e866ac1dc88fc49b50866e03b2572c7d382925
[INFO] running `Command { std: "docker" "start" "-a" "608bfc50ff2b2792c5c5b007b1e866ac1dc88fc49b50866e03b2572c7d382925", kill_on_drop: false }`
[INFO] [stderr]     Checking rusty_data_structures v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `selection_sort`
[INFO] [stdout]  --> src/main.rs:1:49
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::sorting_algorithms::{insertion_sort, selection_sort};
[INFO] [stdout]   |                                                 ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `selection_sort`
[INFO] [stdout]  --> src/main.rs:1:49
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::sorting_algorithms::{insertion_sort, selection_sort};
[INFO] [stdout]   |                                                 ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bubble_sort` is never used
[INFO] [stdout]  --> src/sorting_algorithms.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub(crate) fn bubble_sort(array: &mut [i32]) -> &mut [i32]{
[INFO] [stdout]   |               ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `selection_sort` is never used
[INFO] [stdout]   --> src/sorting_algorithms.rs:18:15
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub(crate) fn selection_sort(array: &mut[i32]) -> &mut[i32]{
[INFO] [stdout]    |               ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bubble_sort` is never used
[INFO] [stdout]  --> src/sorting_algorithms.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub(crate) fn bubble_sort(array: &mut [i32]) -> &mut [i32]{
[INFO] [stdout]   |               ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `selection_sort` is never used
[INFO] [stdout]   --> src/sorting_algorithms.rs:18:15
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub(crate) fn selection_sort(array: &mut[i32]) -> &mut[i32]{
[INFO] [stdout]    |               ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] running `Command { std: "docker" "inspect" "608bfc50ff2b2792c5c5b007b1e866ac1dc88fc49b50866e03b2572c7d382925", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "608bfc50ff2b2792c5c5b007b1e866ac1dc88fc49b50866e03b2572c7d382925", kill_on_drop: false }`
[INFO] [stdout] 608bfc50ff2b2792c5c5b007b1e866ac1dc88fc49b50866e03b2572c7d382925