[INFO] cloning repository https://github.com/kla7016/programming_in_th_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kla7016/programming_in_th_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkla7016%2Fprogramming_in_th_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkla7016%2Fprogramming_in_th_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 416c46a5d561e57939a5dc04847bd2c449b12286
[INFO] testing kla7016/programming_in_th_rust against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkla7016%2Fprogramming_in_th_rust" "/workspace/builds/worker-27/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-27/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kla7016/programming_in_th_rust on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kla7016/programming_in_th_rust
[INFO] finished tweaking git repo https://github.com/kla7016/programming_in_th_rust
[INFO] tweaked toml for git repo https://github.com/kla7016/programming_in_th_rust written to /workspace/builds/worker-27/source/Cargo.toml
[INFO] crate git repo https://github.com/kla7016/programming_in_th_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 642edb09cf19cb0bec55f068683637c02adbebe6dae319655cc1923c3add9eb7
[INFO] running `Command { std: "docker" "start" "-a" "642edb09cf19cb0bec55f068683637c02adbebe6dae319655cc1923c3add9eb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "642edb09cf19cb0bec55f068683637c02adbebe6dae319655cc1923c3add9eb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "642edb09cf19cb0bec55f068683637c02adbebe6dae319655cc1923c3add9eb7", kill_on_drop: false }`
[INFO] [stdout] 642edb09cf19cb0bec55f068683637c02adbebe6dae319655cc1923c3add9eb7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 55d93c674f7f4645f872ab926e01a933e2ad07f30b84b7ca210819ce324d82a9
[INFO] running `Command { std: "docker" "start" "-a" "55d93c674f7f4645f872ab926e01a933e2ad07f30b84b7ca210819ce324d82a9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling programming_in_th v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `ran`
[INFO] [stdout]   --> src/main.rs:96:8
[INFO] [stdout]    |
[INFO] [stdout] 96 |    let ran = list_input_1[1];
[INFO] [stdout]    |        ^^^ help: if this is intentional, prefix it with an underscore: `_ran`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `remove_multiple`
[INFO] [stdout]    --> src/main.rs:169:4
[INFO] [stdout]     |
[INFO] [stdout] 169 | fn remove_multiple<T>(source: &mut Vec<T>, indices_to_remove: &[usize]) -> Vec<T> {
[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 dev [unoptimized + debuginfo] target(s) in 2.02s
[INFO] running `Command { std: "docker" "inspect" "55d93c674f7f4645f872ab926e01a933e2ad07f30b84b7ca210819ce324d82a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55d93c674f7f4645f872ab926e01a933e2ad07f30b84b7ca210819ce324d82a9", kill_on_drop: false }`
[INFO] [stdout] 55d93c674f7f4645f872ab926e01a933e2ad07f30b84b7ca210819ce324d82a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 72e61d3c57681a16242ab6050ae636d2e9918eba2f4c14e593b6ac3db95e3551
[INFO] running `Command { std: "docker" "start" "-a" "72e61d3c57681a16242ab6050ae636d2e9918eba2f4c14e593b6ac3db95e3551", kill_on_drop: false }`
[INFO] [stderr]    Compiling programming_in_th v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `ran`
[INFO] [stdout]   --> src/main.rs:96:8
[INFO] [stdout]    |
[INFO] [stdout] 96 |    let ran = list_input_1[1];
[INFO] [stdout]    |        ^^^ help: if this is intentional, prefix it with an underscore: `_ran`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `remove_multiple`
[INFO] [stdout]    --> src/main.rs:169:4
[INFO] [stdout]     |
[INFO] [stdout] 169 | fn remove_multiple<T>(source: &mut Vec<T>, indices_to_remove: &[usize]) -> Vec<T> {
[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 0.36s
[INFO] running `Command { std: "docker" "inspect" "72e61d3c57681a16242ab6050ae636d2e9918eba2f4c14e593b6ac3db95e3551", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72e61d3c57681a16242ab6050ae636d2e9918eba2f4c14e593b6ac3db95e3551", kill_on_drop: false }`
[INFO] [stdout] 72e61d3c57681a16242ab6050ae636d2e9918eba2f4c14e593b6ac3db95e3551
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0defc9da9c8af0fcb0125c72d47c6bc915c0978940ad43d9f4e62e1711aa1fc0
[INFO] running `Command { std: "docker" "start" "-a" "0defc9da9c8af0fcb0125c72d47c6bc915c0978940ad43d9f4e62e1711aa1fc0", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `ran`
[INFO] [stderr]   --> src/main.rs:96:8
[INFO] [stderr]    |
[INFO] [stderr] 96 |    let ran = list_input_1[1];
[INFO] [stderr]    |        ^^^ help: if this is intentional, prefix it with an underscore: `_ran`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `remove_multiple`
[INFO] [stderr]    --> src/main.rs:169:4
[INFO] [stderr]     |
[INFO] [stderr] 169 | fn remove_multiple<T>(source: &mut Vec<T>, indices_to_remove: &[usize]) -> Vec<T> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `programming_in_th` (bin "programming_in_th" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/programming_in_th-c77e37dafb69169f)
[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" "0defc9da9c8af0fcb0125c72d47c6bc915c0978940ad43d9f4e62e1711aa1fc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0defc9da9c8af0fcb0125c72d47c6bc915c0978940ad43d9f4e62e1711aa1fc0", kill_on_drop: false }`
[INFO] [stdout] 0defc9da9c8af0fcb0125c72d47c6bc915c0978940ad43d9f4e62e1711aa1fc0