[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] testing JuanCarlosCardona/RustyDataStructures against master#1ddedbaa5919b7b3e70d984660e21e844c615c97 for pr-128400
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJuanCarlosCardona%2FRustyDataStructures" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JuanCarlosCardona/RustyDataStructures on toolchain 1ddedbaa5919b7b3e70d984660e21e844c615c97
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1ddedbaa5919b7b3e70d984660e21e844c615c97" "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-tc1/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" "+1ddedbaa5919b7b3e70d984660e21e844c615c97" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] testing JuanCarlosCardona/RustyDataStructures against try#33f1d8bb92813a1bfc23c093c9f443ab09290307 for pr-128400
[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 33f1d8bb92813a1bfc23c093c9f443ab09290307
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33f1d8bb92813a1bfc23c093c9f443ab09290307" "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" "+33f1d8bb92813a1bfc23c093c9f443ab09290307" "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] testing JuanCarlosCardona/RustyDataStructures against try#33f1d8bb92813a1bfc23c093c9f443ab09290307 for pr-128400
[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 33f1d8bb92813a1bfc23c093c9f443ab09290307
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33f1d8bb92813a1bfc23c093c9f443ab09290307" "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" "+33f1d8bb92813a1bfc23c093c9f443ab09290307" "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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+33f1d8bb92813a1bfc23c093c9f443ab09290307" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 98377355d2f734bc62504be6748404c5b11dcb38974cb7228d92b604bb667b0e
[INFO] running `Command { std: "docker" "start" "-a" "98377355d2f734bc62504be6748404c5b11dcb38974cb7228d92b604bb667b0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "98377355d2f734bc62504be6748404c5b11dcb38974cb7228d92b604bb667b0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98377355d2f734bc62504be6748404c5b11dcb38974cb7228d92b604bb667b0e", kill_on_drop: false }`
[INFO] [stdout] 98377355d2f734bc62504be6748404c5b11dcb38974cb7228d92b604bb667b0e
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+33f1d8bb92813a1bfc23c093c9f443ab09290307" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f6eb23ed62baa51f256e83dc510fc4db680e1e52b6f92c1e21ed9fa00624fe1
[INFO] running `Command { std: "docker" "start" "-a" "8f6eb23ed62baa51f256e83dc510fc4db680e1e52b6f92c1e21ed9fa00624fe1", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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: 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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "8f6eb23ed62baa51f256e83dc510fc4db680e1e52b6f92c1e21ed9fa00624fe1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f6eb23ed62baa51f256e83dc510fc4db680e1e52b6f92c1e21ed9fa00624fe1", kill_on_drop: false }`
[INFO] [stdout] 8f6eb23ed62baa51f256e83dc510fc4db680e1e52b6f92c1e21ed9fa00624fe1
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+33f1d8bb92813a1bfc23c093c9f443ab09290307" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a2f944ee29b1a6276d6bb2993148a52c4413ed77fa5e03af224219b02bc61f3
[INFO] running `Command { std: "docker" "start" "-a" "4a2f944ee29b1a6276d6bb2993148a52c4413ed77fa5e03af224219b02bc61f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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: 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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "4a2f944ee29b1a6276d6bb2993148a52c4413ed77fa5e03af224219b02bc61f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a2f944ee29b1a6276d6bb2993148a52c4413ed77fa5e03af224219b02bc61f3", kill_on_drop: false }`
[INFO] [stdout] 4a2f944ee29b1a6276d6bb2993148a52c4413ed77fa5e03af224219b02bc61f3
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+33f1d8bb92813a1bfc23c093c9f443ab09290307" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a99eafce6066278c1b0d9a4adcee16a5f0767685dec688680ade7bda42c682f5
[INFO] running `Command { std: "docker" "start" "-a" "a99eafce6066278c1b0d9a4adcee16a5f0767685dec688680ade7bda42c682f5", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `selection_sort`
[INFO] [stderr]  --> src/main.rs:1:49
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::sorting_algorithms::{insertion_sort, selection_sort};
[INFO] [stderr]   |                                                 ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `bubble_sort` is never used
[INFO] [stderr]  --> src/sorting_algorithms.rs:1:15
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub(crate) fn bubble_sort(array: &mut [i32]) -> &mut [i32]{
[INFO] [stderr]   |               ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `selection_sort` is never used
[INFO] [stderr]   --> src/sorting_algorithms.rs:18:15
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub(crate) fn selection_sort(array: &mut[i32]) -> &mut[i32]{
[INFO] [stderr]    |               ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rusty_data_structures` (bin "rusty_data_structures" test) generated 3 warnings (run `cargo fix --bin "rusty_data_structures" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rusty_data_structures-5647be970251e68e)
[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" "a99eafce6066278c1b0d9a4adcee16a5f0767685dec688680ade7bda42c682f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a99eafce6066278c1b0d9a4adcee16a5f0767685dec688680ade7bda42c682f5", kill_on_drop: false }`
[INFO] [stdout] a99eafce6066278c1b0d9a4adcee16a5f0767685dec688680ade7bda42c682f5