[INFO] cloning repository https://github.com/Pr4v33n23/rust-101
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Pr4v33n23/rust-101" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPr4v33n23%2Frust-101", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPr4v33n23%2Frust-101'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c670488b3a5655c3d72cf4de15fe0fb5d5383735
[INFO] testing Pr4v33n23/rust-101 against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPr4v33n23%2Frust-101" "/workspace/builds/worker-106/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-106/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Pr4v33n23/rust-101 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Pr4v33n23/rust-101
[INFO] finished tweaking git repo https://github.com/Pr4v33n23/rust-101
[INFO] tweaked toml for git repo https://github.com/Pr4v33n23/rust-101 written to /workspace/builds/worker-106/source/Cargo.toml
[INFO] crate git repo https://github.com/Pr4v33n23/rust-101 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 97ae23441ca415111bfaeb1171a7afef072530b9311befde59db88e5a0f51f08
[INFO] running `Command { std: "docker" "start" "-a" "97ae23441ca415111bfaeb1171a7afef072530b9311befde59db88e5a0f51f08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97ae23441ca415111bfaeb1171a7afef072530b9311befde59db88e5a0f51f08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97ae23441ca415111bfaeb1171a7afef072530b9311befde59db88e5a0f51f08", kill_on_drop: false }`
[INFO] [stdout] 97ae23441ca415111bfaeb1171a7afef072530b9311befde59db88e5a0f51f08
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a46c8c999241ababccaab573643608ff93f68b9a94e35863789a762f5078ac21
[INFO] running `Command { std: "docker" "start" "-a" "a46c8c999241ababccaab573643608ff93f68b9a94e35863789a762f5078ac21", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust-101 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `fibonacci::fibonacci`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use fibonacci::fibonacci;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `create_empty`
[INFO] [stdout]  --> src/fibonacci.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn create_empty() -> Vec<u8> {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `create_buffer`
[INFO] [stdout]  --> src/fibonacci.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn create_buffer(count: usize) -> Vec<u8> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.23s
[INFO] running `Command { std: "docker" "inspect" "a46c8c999241ababccaab573643608ff93f68b9a94e35863789a762f5078ac21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a46c8c999241ababccaab573643608ff93f68b9a94e35863789a762f5078ac21", kill_on_drop: false }`
[INFO] [stdout] a46c8c999241ababccaab573643608ff93f68b9a94e35863789a762f5078ac21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d7bc80d2cc6e615057139461aee486465632184ec7d471b8f921d00ba0000f2
[INFO] running `Command { std: "docker" "start" "-a" "8d7bc80d2cc6e615057139461aee486465632184ec7d471b8f921d00ba0000f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-101 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `fibonacci::fibonacci`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use fibonacci::fibonacci;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `create_empty`
[INFO] [stdout]  --> src/fibonacci.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn create_empty() -> Vec<u8> {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `create_buffer`
[INFO] [stdout]  --> src/fibonacci.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn create_buffer(count: usize) -> Vec<u8> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.52s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_101-46d286420a944586)
[INFO] running `Command { std: "docker" "inspect" "8d7bc80d2cc6e615057139461aee486465632184ec7d471b8f921d00ba0000f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d7bc80d2cc6e615057139461aee486465632184ec7d471b8f921d00ba0000f2", kill_on_drop: false }`
[INFO] [stdout] 8d7bc80d2cc6e615057139461aee486465632184ec7d471b8f921d00ba0000f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8d4f3e35bbf922abf126479c4fee0a8e9f84eecb882c9077f456b9ad11a9977f
[INFO] running `Command { std: "docker" "start" "-a" "8d4f3e35bbf922abf126479c4fee0a8e9f84eecb882c9077f456b9ad11a9977f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused import: `fibonacci::fibonacci`
[INFO] [stdout] 
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stdout] running 0 tests
[INFO] [stderr]   |
[INFO] [stdout] 
[INFO] [stderr] 1 | use fibonacci::fibonacci;
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `create_empty`
[INFO] [stderr]  --> src/fibonacci.rs:2:8
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub fn create_empty() -> Vec<u8> {
[INFO] [stderr]   |        ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `create_buffer`
[INFO] [stderr]  --> src/fibonacci.rs:9:8
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub fn create_buffer(count: usize) -> Vec<u8> {
[INFO] [stderr]   |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-101` (bin "rust-101" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.55s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_101-46d286420a944586)
[INFO] running `Command { std: "docker" "inspect" "8d4f3e35bbf922abf126479c4fee0a8e9f84eecb882c9077f456b9ad11a9977f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d4f3e35bbf922abf126479c4fee0a8e9f84eecb882c9077f456b9ad11a9977f", kill_on_drop: false }`
[INFO] [stdout] 8d4f3e35bbf922abf126479c4fee0a8e9f84eecb882c9077f456b9ad11a9977f