[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 try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkla7016%2Fprogramming_in_th_rust" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kla7016/programming_in_th_rust on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-8/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" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5f1370b3d87df3455eebbb53d76a2726d9f4e3ec5c8c3af03b56618611b5503d
[INFO] running `Command { std: "docker" "start" "-a" "5f1370b3d87df3455eebbb53d76a2726d9f4e3ec5c8c3af03b56618611b5503d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f1370b3d87df3455eebbb53d76a2726d9f4e3ec5c8c3af03b56618611b5503d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f1370b3d87df3455eebbb53d76a2726d9f4e3ec5c8c3af03b56618611b5503d", kill_on_drop: false }`
[INFO] [stdout] 5f1370b3d87df3455eebbb53d76a2726d9f4e3ec5c8c3af03b56618611b5503d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e2c75ea209c688de91e679eb9b14c2fd589c114735cda489d6a32c919e9b7c1c
[INFO] running `Command { std: "docker" "start" "-a" "e2c75ea209c688de91e679eb9b14c2fd589c114735cda489d6a32c919e9b7c1c", 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 1.00s
[INFO] running `Command { std: "docker" "inspect" "e2c75ea209c688de91e679eb9b14c2fd589c114735cda489d6a32c919e9b7c1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2c75ea209c688de91e679eb9b14c2fd589c114735cda489d6a32c919e9b7c1c", kill_on_drop: false }`
[INFO] [stdout] e2c75ea209c688de91e679eb9b14c2fd589c114735cda489d6a32c919e9b7c1c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 331e7160f3d1381cd0683636e0ef81610bce6f4162c8c9ae92bd28faff731fac
[INFO] running `Command { std: "docker" "start" "-a" "331e7160f3d1381cd0683636e0ef81610bce6f4162c8c9ae92bd28faff731fac", 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 test [unoptimized + debuginfo] target(s) in 10.87s
[INFO] running `Command { std: "docker" "inspect" "331e7160f3d1381cd0683636e0ef81610bce6f4162c8c9ae92bd28faff731fac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "331e7160f3d1381cd0683636e0ef81610bce6f4162c8c9ae92bd28faff731fac", kill_on_drop: false }`
[INFO] [stdout] 331e7160f3d1381cd0683636e0ef81610bce6f4162c8c9ae92bd28faff731fac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 22b6b3547847f02d1af1dfda1dc712821086ecec8f67d9e8d92041558f28c4d8
[INFO] running `Command { std: "docker" "start" "-a" "22b6b3547847f02d1af1dfda1dc712821086ecec8f67d9e8d92041558f28c4d8", 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 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/programming_in_th-b5de59a63d162f67)
[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" "22b6b3547847f02d1af1dfda1dc712821086ecec8f67d9e8d92041558f28c4d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22b6b3547847f02d1af1dfda1dc712821086ecec8f67d9e8d92041558f28c4d8", kill_on_drop: false }`
[INFO] [stdout] 22b6b3547847f02d1af1dfda1dc712821086ecec8f67d9e8d92041558f28c4d8