[INFO] cloning repository https://github.com/saurabhghatnekar/Rust101
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/saurabhghatnekar/Rust101" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaurabhghatnekar%2FRust101", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaurabhghatnekar%2FRust101'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3e6b3cdb8b21a25c0fe594d16e7283b47caf0c89
[INFO] testing saurabhghatnekar/Rust101 against beta-2024-12-08 for beta-1.84.0-4-retry
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaurabhghatnekar%2FRust101" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/saurabhghatnekar/Rust101 on toolchain beta-2024-12-08
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-12-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/saurabhghatnekar/Rust101
[INFO] finished tweaking git repo https://github.com/saurabhghatnekar/Rust101
[INFO] tweaked toml for git repo https://github.com/saurabhghatnekar/Rust101 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/saurabhghatnekar/Rust101 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" "+beta-2024-12-08" "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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 06c6049470f89f3b27a3036b6a4490b29c314325a431e61196fb69ad1228c2bb
[INFO] running `Command { std: "docker" "start" "-a" "06c6049470f89f3b27a3036b6a4490b29c314325a431e61196fb69ad1228c2bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06c6049470f89f3b27a3036b6a4490b29c314325a431e61196fb69ad1228c2bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06c6049470f89f3b27a3036b6a4490b29c314325a431e61196fb69ad1228c2bb", kill_on_drop: false }`
[INFO] [stdout] 06c6049470f89f3b27a3036b6a4490b29c314325a431e61196fb69ad1228c2bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3bff864f70cdce542e3bb379a64d1de84534cdee05e6ee7df0fbe5837f0f852b
[INFO] running `Command { std: "docker" "start" "-a" "3bff864f70cdce542e3bb379a64d1de84534cdee05e6ee7df0fbe5837f0f852b", kill_on_drop: false }`
[INFO] [stderr]    Compiling Rust101 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `person`
[INFO] [stdout]   --> src/bin/task_1.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let person = Person { name: "Billy".to_owned(), age: 21 };
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_person`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `library`
[INFO] [stdout]   --> src/bin/task_1.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let library = Library {
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_library`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `age` are never read
[INFO] [stdout]  --> src/bin/task_1.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Person {
[INFO] [stdout]   |        ------ fields in this struct
[INFO] [stdout] 2 |     name: String,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 3 |     age: usize,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `title`, `author`, and `is_available` are never read
[INFO] [stdout]  --> src/bin/task_1.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Book {
[INFO] [stdout]   |        ---- fields in this struct
[INFO] [stdout] 7 |     title: String,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 8 |     author: String,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 9 |     is_available: bool,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `books` is never read
[INFO] [stdout]   --> src/bin/task_1.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Library {
[INFO] [stdout]    |        ------- field in this struct
[INFO] [stdout] 13 |     books: Vec<Book>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "3bff864f70cdce542e3bb379a64d1de84534cdee05e6ee7df0fbe5837f0f852b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bff864f70cdce542e3bb379a64d1de84534cdee05e6ee7df0fbe5837f0f852b", kill_on_drop: false }`
[INFO] [stdout] 3bff864f70cdce542e3bb379a64d1de84534cdee05e6ee7df0fbe5837f0f852b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d4cd4e4a3ea451b8e7ef8bb626b19636684aac9450a0df0da621c0fd8a1f3f9
[INFO] running `Command { std: "docker" "start" "-a" "7d4cd4e4a3ea451b8e7ef8bb626b19636684aac9450a0df0da621c0fd8a1f3f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling Rust101 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `person`
[INFO] [stdout]   --> src/bin/task_1.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let person = Person { name: "Billy".to_owned(), age: 21 };
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_person`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `library`
[INFO] [stdout]   --> src/bin/task_1.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let library = Library {
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_library`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `age` are never read
[INFO] [stdout]  --> src/bin/task_1.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Person {
[INFO] [stdout]   |        ------ fields in this struct
[INFO] [stdout] 2 |     name: String,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 3 |     age: usize,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `title`, `author`, and `is_available` are never read
[INFO] [stdout]  --> src/bin/task_1.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Book {
[INFO] [stdout]   |        ---- fields in this struct
[INFO] [stdout] 7 |     title: String,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 8 |     author: String,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 9 |     is_available: bool,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `books` is never read
[INFO] [stdout]   --> src/bin/task_1.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Library {
[INFO] [stdout]    |        ------- field in this struct
[INFO] [stdout] 13 |     books: Vec<Book>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "7d4cd4e4a3ea451b8e7ef8bb626b19636684aac9450a0df0da621c0fd8a1f3f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d4cd4e4a3ea451b8e7ef8bb626b19636684aac9450a0df0da621c0fd8a1f3f9", kill_on_drop: false }`
[INFO] [stdout] 7d4cd4e4a3ea451b8e7ef8bb626b19636684aac9450a0df0da621c0fd8a1f3f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e1a9d3ff4f47a43f5673d45d341c3154184726ca50ed9fed91acb373ceae06f9
[INFO] running `Command { std: "docker" "start" "-a" "e1a9d3ff4f47a43f5673d45d341c3154184726ca50ed9fed91acb373ceae06f9", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `person`
[INFO] [stderr]   --> src/bin/task_1.rs:17:9
[INFO] [stderr]    |
[INFO] [stderr] 17 |     let person = Person { name: "Billy".to_owned(), age: 21 };
[INFO] [stderr]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_person`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `library`
[INFO] [stderr]   --> src/bin/task_1.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |     let library = Library {
[INFO] [stderr]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_library`
[INFO] [stderr] 
[INFO] [stderr] warning: fields `name` and `age` are never read
[INFO] [stderr]  --> src/bin/task_1.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Person {
[INFO] [stderr]   |        ------ fields in this struct
[INFO] [stderr] 2 |     name: String,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 3 |     age: usize,
[INFO] [stderr]   |     ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `title`, `author`, and `is_available` are never read
[INFO] [stderr]  --> src/bin/task_1.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | struct Book {
[INFO] [stderr]   |        ---- fields in this struct
[INFO] [stderr] 7 |     title: String,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 8 |     author: String,
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 9 |     is_available: bool,
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `books` is never read
[INFO] [stderr]   --> src/bin/task_1.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | struct Library {
[INFO] [stderr]    |        ------- field in this struct
[INFO] [stderr] 13 |     books: Vec<Book>,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `Rust101` (bin "task_1" test) generated 5 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/Rust101-1d96e768fbd505b6)
[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] [stderr]      Running unittests src/bin/task_1.rs (/opt/rustwide/target/debug/deps/task_1-4081bb541d3d67b3)
[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" "e1a9d3ff4f47a43f5673d45d341c3154184726ca50ed9fed91acb373ceae06f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1a9d3ff4f47a43f5673d45d341c3154184726ca50ed9fed91acb373ceae06f9", kill_on_drop: false }`
[INFO] [stdout] e1a9d3ff4f47a43f5673d45d341c3154184726ca50ed9fed91acb373ceae06f9
