[INFO] cloning repository https://github.com/Smile-Liu/TerminalLibrary
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Smile-Liu/TerminalLibrary" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSmile-Liu%2FTerminalLibrary", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSmile-Liu%2FTerminalLibrary'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2a5a0279f388ca56ec90f50d25e36e69316bd184
[INFO] testing Smile-Liu/TerminalLibrary against 1.84.0 for beta-1.85-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSmile-Liu%2FTerminalLibrary" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Smile-Liu/TerminalLibrary on toolchain 1.84.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.84.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Smile-Liu/TerminalLibrary
[INFO] finished tweaking git repo https://github.com/Smile-Liu/TerminalLibrary
[INFO] tweaked toml for git repo https://github.com/Smile-Liu/TerminalLibrary written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Smile-Liu/TerminalLibrary 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" "+1.84.0" "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-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:86ea7c7af713d31e8cfdb68a6d0db50b5cf7cbeecde3d112f9f257f747318d36" "/opt/rustwide/cargo-home/bin/cargo" "+1.84.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6523953635c7f1a5cb52b9fa23956fe6824933ba7a471fdaf6116f0e7fff6a78
[INFO] running `Command { std: "docker" "start" "-a" "6523953635c7f1a5cb52b9fa23956fe6824933ba7a471fdaf6116f0e7fff6a78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6523953635c7f1a5cb52b9fa23956fe6824933ba7a471fdaf6116f0e7fff6a78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6523953635c7f1a5cb52b9fa23956fe6824933ba7a471fdaf6116f0e7fff6a78", kill_on_drop: false }`
[INFO] [stdout] 6523953635c7f1a5cb52b9fa23956fe6824933ba7a471fdaf6116f0e7fff6a78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:86ea7c7af713d31e8cfdb68a6d0db50b5cf7cbeecde3d112f9f257f747318d36" "/opt/rustwide/cargo-home/bin/cargo" "+1.84.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97693e297f1de1bca0e544c288201e5dcf49b662f093d5b9233f2381f060377e
[INFO] running `Command { std: "docker" "start" "-a" "97693e297f1de1bca0e544c288201e5dcf49b662f093d5b9233f2381f060377e", kill_on_drop: false }`
[INFO] [stderr]    Compiling bookstore v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/main.rs:471:21
[INFO] [stdout]     |
[INFO] [stdout] 471 |         if let Some(b) = self.get_book_by_name_author(&book.bookname, &book.author) {
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:493:73
[INFO] [stdout]     |
[INFO] [stdout] 493 |         if let Some((i, b)) = self.all_books.iter().enumerate().find(|&(i, b)| b.bookname == bookname && b.author == author) {
[INFO] [stdout]     |                                                                         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Counter` is never constructed
[INFO] [stdout]   --> src/rt.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | struct Counter {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `increment` and `decrement` are never used
[INFO] [stdout]   --> src/rt.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl Counter {
[INFO] [stdout]    | ------------ methods in this implementation
[INFO] [stdout] 26 |     fn increment(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     fn decrement(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "97693e297f1de1bca0e544c288201e5dcf49b662f093d5b9233f2381f060377e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97693e297f1de1bca0e544c288201e5dcf49b662f093d5b9233f2381f060377e", kill_on_drop: false }`
[INFO] [stdout] 97693e297f1de1bca0e544c288201e5dcf49b662f093d5b9233f2381f060377e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:86ea7c7af713d31e8cfdb68a6d0db50b5cf7cbeecde3d112f9f257f747318d36" "/opt/rustwide/cargo-home/bin/cargo" "+1.84.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4eb7ad5d29cf564da97a329d908217e91153102fd09d12551d54c31b5695773b
[INFO] running `Command { std: "docker" "start" "-a" "4eb7ad5d29cf564da97a329d908217e91153102fd09d12551d54c31b5695773b", kill_on_drop: false }`
[INFO] [stderr]    Compiling bookstore v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/main.rs:471:21
[INFO] [stdout]     |
[INFO] [stdout] 471 |         if let Some(b) = self.get_book_by_name_author(&book.bookname, &book.author) {
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:493:73
[INFO] [stdout]     |
[INFO] [stdout] 493 |         if let Some((i, b)) = self.all_books.iter().enumerate().find(|&(i, b)| b.bookname == bookname && b.author == author) {
[INFO] [stdout]     |                                                                         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "4eb7ad5d29cf564da97a329d908217e91153102fd09d12551d54c31b5695773b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4eb7ad5d29cf564da97a329d908217e91153102fd09d12551d54c31b5695773b", kill_on_drop: false }`
[INFO] [stdout] 4eb7ad5d29cf564da97a329d908217e91153102fd09d12551d54c31b5695773b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:86ea7c7af713d31e8cfdb68a6d0db50b5cf7cbeecde3d112f9f257f747318d36" "/opt/rustwide/cargo-home/bin/cargo" "+1.84.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 024c845db8951ca2a2b782261efaa516dfab14e948318ef7e5bab3c023041294
[INFO] running `Command { std: "docker" "start" "-a" "024c845db8951ca2a2b782261efaa516dfab14e948318ef7e5bab3c023041294", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]    --> src/main.rs:471:21
[INFO] [stderr]     |
[INFO] [stderr] 471 |         if let Some(b) = self.get_book_by_name_author(&book.bookname, &book.author) {
[INFO] [stderr]     |                     ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/main.rs:493:73
[INFO] [stderr]     |
[INFO] [stderr] 493 |         if let Some((i, b)) = self.all_books.iter().enumerate().find(|&(i, b)| b.bookname == bookname && b.author == author) {
[INFO] [stderr]     |                                                                         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: `bookstore` (bin "bookstore" test) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/bookstore-4ec8bc495f334425)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test rt::tests::test_increment ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "024c845db8951ca2a2b782261efaa516dfab14e948318ef7e5bab3c023041294", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "024c845db8951ca2a2b782261efaa516dfab14e948318ef7e5bab3c023041294", kill_on_drop: false }`
[INFO] [stdout] 024c845db8951ca2a2b782261efaa516dfab14e948318ef7e5bab3c023041294