[INFO] fetching crate spare_buffer 0.1.1...
[INFO] testing spare_buffer-0.1.1 against 1.75.0 for beta-1.76-1
[INFO] extracting crate spare_buffer 0.1.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate spare_buffer 0.1.1 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate spare_buffer 0.1.1
[INFO] finished tweaking crates.io crate spare_buffer 0.1.1
[INFO] tweaked toml for crates.io crate spare_buffer 0.1.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate spare_buffer 0.1.1 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 14998d35fc0b54065dfd1c0480c6506e03bd1c706689a04d6d0a8d56abfcb7af
[INFO] running `Command { std: "docker" "start" "-a" "14998d35fc0b54065dfd1c0480c6506e03bd1c706689a04d6d0a8d56abfcb7af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14998d35fc0b54065dfd1c0480c6506e03bd1c706689a04d6d0a8d56abfcb7af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14998d35fc0b54065dfd1c0480c6506e03bd1c706689a04d6d0a8d56abfcb7af", kill_on_drop: false }`
[INFO] [stdout] 14998d35fc0b54065dfd1c0480c6506e03bd1c706689a04d6d0a8d56abfcb7af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f9206edf6183f53635ed6cb23c7465fb643bac7175a226179eb23719087f4b3
[INFO] running `Command { std: "docker" "start" "-a" "9f9206edf6183f53635ed6cb23c7465fb643bac7175a226179eb23719087f4b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling spare_buffer v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] running `Command { std: "docker" "inspect" "9f9206edf6183f53635ed6cb23c7465fb643bac7175a226179eb23719087f4b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f9206edf6183f53635ed6cb23c7465fb643bac7175a226179eb23719087f4b3", kill_on_drop: false }`
[INFO] [stdout] 9f9206edf6183f53635ed6cb23c7465fb643bac7175a226179eb23719087f4b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca7cd7ad6251b93a7a7b9293e41365b8d3f3be82e9a34d73de39ec297031b3d9
[INFO] running `Command { std: "docker" "start" "-a" "ca7cd7ad6251b93a7a7b9293e41365b8d3f3be82e9a34d73de39ec297031b3d9", kill_on_drop: false }`
[INFO] [stderr]    Compiling spare_buffer v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "ca7cd7ad6251b93a7a7b9293e41365b8d3f3be82e9a34d73de39ec297031b3d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca7cd7ad6251b93a7a7b9293e41365b8d3f3be82e9a34d73de39ec297031b3d9", kill_on_drop: false }`
[INFO] [stdout] ca7cd7ad6251b93a7a7b9293e41365b8d3f3be82e9a34d73de39ec297031b3d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3f4104dc943903e5a76c9d4ed9120700423c4f3b4605c802b43f74f07b55d497
[INFO] running `Command { std: "docker" "start" "-a" "3f4104dc943903e5a76c9d4ed9120700423c4f3b4605c802b43f74f07b55d497", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/spare_buffer-c8732003639237a8)
[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]    Doc-tests spare_buffer
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 60) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 35) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 60) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `SpareBuffer`
[INFO] [stdout]  --> src/lib.rs:63:22
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let mut buffer = SpareBuffer::from(&mut vec, NonZeroUsize::new(10485760));
[INFO] [stdout]   |                      ^^^^^^^^^^^ use of undeclared type `SpareBuffer`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 + use spare_buffer::SpareBuffer;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `NonZeroUsize`
[INFO] [stdout]  --> src/lib.rs:63:50
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let mut buffer = SpareBuffer::from(&mut vec, NonZeroUsize::new(10485760));
[INFO] [stdout]   |                                                  ^^^^^^^^^^^^ use of undeclared type `NonZeroUsize`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]   |
[INFO] [stdout] 2 + use core::num::NonZeroUsize;
[INFO] [stdout]   |
[INFO] [stdout] 2 + use std::num::NonZeroUsize;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `NonZeroUsize`
[INFO] [stdout]  --> src/lib.rs:65:22
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let chunk_size = NonZeroUsize::new(4096).unwrap();
[INFO] [stdout]   |                      ^^^^^^^^^^^^ use of undeclared type `NonZeroUsize`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]   |
[INFO] [stdout] 2 + use core::num::NonZeroUsize;
[INFO] [stdout]   |
[INFO] [stdout] 2 + use std::num::NonZeroUsize;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `File`
[INFO] [stdout]  --> src/lib.rs:66:20
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let mut file = File::open("input.dat").expect("Failed to open input file!");
[INFO] [stdout]   |                    ^^^^ use of undeclared type `File`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 + use std::fs::File;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 35) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `SpareBuffer`
[INFO] [stdout]  --> src/lib.rs:38:22
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let mut buffer = SpareBuffer::from(&mut vec, None);
[INFO] [stdout]   |                      ^^^^^^^^^^^ use of undeclared type `SpareBuffer`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 + use spare_buffer::SpareBuffer;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `NonZeroUsize`
[INFO] [stdout]  --> src/lib.rs:40:39
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let spare = buffer.allocate_spare(NonZeroUsize::new(100).unwrap());
[INFO] [stdout]   |                                       ^^^^^^^^^^^^ use of undeclared type `NonZeroUsize`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]   |
[INFO] [stdout] 2 + use core::num::NonZeroUsize;
[INFO] [stdout]   |
[INFO] [stdout] 2 + use std::num::NonZeroUsize;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 35)
[INFO] [stdout]     src/lib.rs - (line 60)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "3f4104dc943903e5a76c9d4ed9120700423c4f3b4605c802b43f74f07b55d497", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f4104dc943903e5a76c9d4ed9120700423c4f3b4605c802b43f74f07b55d497", kill_on_drop: false }`
[INFO] [stdout] 3f4104dc943903e5a76c9d4ed9120700423c4f3b4605c802b43f74f07b55d497
[INFO] testing spare_buffer-0.1.1 against beta-2023-12-22 for beta-1.76-1
[INFO] extracting crate spare_buffer 0.1.1 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate spare_buffer 0.1.1 on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate spare_buffer 0.1.1
[INFO] finished tweaking crates.io crate spare_buffer 0.1.1
[INFO] tweaked toml for crates.io crate spare_buffer 0.1.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate spare_buffer 0.1.1 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-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1a3a6c6f1b9aa76122d69e49b5e805dba9bb9b20bd7e5a3ebefad3fd713e9f15
[INFO] running `Command { std: "docker" "start" "-a" "1a3a6c6f1b9aa76122d69e49b5e805dba9bb9b20bd7e5a3ebefad3fd713e9f15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a3a6c6f1b9aa76122d69e49b5e805dba9bb9b20bd7e5a3ebefad3fd713e9f15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a3a6c6f1b9aa76122d69e49b5e805dba9bb9b20bd7e5a3ebefad3fd713e9f15", kill_on_drop: false }`
[INFO] [stdout] 1a3a6c6f1b9aa76122d69e49b5e805dba9bb9b20bd7e5a3ebefad3fd713e9f15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 494456c9b255dfa1e4d571532329c165df7ec2864dc11fd283db1c8e01111e1c
[INFO] running `Command { std: "docker" "start" "-a" "494456c9b255dfa1e4d571532329c165df7ec2864dc11fd283db1c8e01111e1c", kill_on_drop: false }`
[INFO] [stderr]    Compiling spare_buffer v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] running `Command { std: "docker" "inspect" "494456c9b255dfa1e4d571532329c165df7ec2864dc11fd283db1c8e01111e1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "494456c9b255dfa1e4d571532329c165df7ec2864dc11fd283db1c8e01111e1c", kill_on_drop: false }`
[INFO] [stdout] 494456c9b255dfa1e4d571532329c165df7ec2864dc11fd283db1c8e01111e1c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c07b624d709061fb9a82998df83e2d7ea6ec381300e4f93fc99ab4db9ebf0b0
[INFO] running `Command { std: "docker" "start" "-a" "8c07b624d709061fb9a82998df83e2d7ea6ec381300e4f93fc99ab4db9ebf0b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling spare_buffer v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "8c07b624d709061fb9a82998df83e2d7ea6ec381300e4f93fc99ab4db9ebf0b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c07b624d709061fb9a82998df83e2d7ea6ec381300e4f93fc99ab4db9ebf0b0", kill_on_drop: false }`
[INFO] [stdout] 8c07b624d709061fb9a82998df83e2d7ea6ec381300e4f93fc99ab4db9ebf0b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8ab5d0653fe55bb26e5961306848c3a02235b1cef6a2a743569fc59871bbbb95
[INFO] running `Command { std: "docker" "start" "-a" "8ab5d0653fe55bb26e5961306848c3a02235b1cef6a2a743569fc59871bbbb95", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/spare_buffer-296004216e2bf6b6)
[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]    Doc-tests spare_buffer
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 35) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 60) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 35) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `SpareBuffer`
[INFO] [stdout]  --> src/lib.rs:38:22
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let mut buffer = SpareBuffer::from(&mut vec, None);
[INFO] [stdout]   |                      ^^^^^^^^^^^ use of undeclared type `SpareBuffer`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 + use spare_buffer::SpareBuffer;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `NonZeroUsize`
[INFO] [stdout]  --> src/lib.rs:40:39
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let spare = buffer.allocate_spare(NonZeroUsize::new(100).unwrap());
[INFO] [stdout]   |                                       ^^^^^^^^^^^^ use of undeclared type `NonZeroUsize`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]   |
[INFO] [stdout] 2 + use core::num::NonZeroUsize;
[INFO] [stdout]   |
[INFO] [stdout] 2 + use std::num::NonZeroUsize;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 60) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `SpareBuffer`
[INFO] [stdout]  --> src/lib.rs:63:22
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let mut buffer = SpareBuffer::from(&mut vec, NonZeroUsize::new(10485760));
[INFO] [stdout]   |                      ^^^^^^^^^^^ use of undeclared type `SpareBuffer`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 + use spare_buffer::SpareBuffer;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `NonZeroUsize`
[INFO] [stdout]  --> src/lib.rs:63:50
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let mut buffer = SpareBuffer::from(&mut vec, NonZeroUsize::new(10485760));
[INFO] [stdout]   |                                                  ^^^^^^^^^^^^ use of undeclared type `NonZeroUsize`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]   |
[INFO] [stdout] 2 + use core::num::NonZeroUsize;
[INFO] [stdout]   |
[INFO] [stdout] 2 + use std::num::NonZeroUsize;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `NonZeroUsize`
[INFO] [stdout]  --> src/lib.rs:65:22
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let chunk_size = NonZeroUsize::new(4096).unwrap();
[INFO] [stdout]   |                      ^^^^^^^^^^^^ use of undeclared type `NonZeroUsize`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]   |
[INFO] [stdout] 2 + use core::num::NonZeroUsize;
[INFO] [stdout]   |
[INFO] [stdout] 2 + use std::num::NonZeroUsize;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `File`
[INFO] [stdout]  --> src/lib.rs:66:20
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let mut file = File::open("input.dat").expect("Failed to open input file!");
[INFO] [stdout]   |                    ^^^^ use of undeclared type `File`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 + use std::fs::File;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 35)
[INFO] [stdout]     src/lib.rs - (line 60)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.19s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "8ab5d0653fe55bb26e5961306848c3a02235b1cef6a2a743569fc59871bbbb95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ab5d0653fe55bb26e5961306848c3a02235b1cef6a2a743569fc59871bbbb95", kill_on_drop: false }`
[INFO] [stdout] 8ab5d0653fe55bb26e5961306848c3a02235b1cef6a2a743569fc59871bbbb95
