[INFO] fetching crate rbl_circular_buffer 0.1.2...
[INFO] checking rbl_circular_buffer-0.1.2 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-3
[INFO] extracting crate rbl_circular_buffer 0.1.2 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate rbl_circular_buffer 0.1.2 on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rbl_circular_buffer 0.1.2
[INFO] finished tweaking crates.io crate rbl_circular_buffer 0.1.2
[INFO] tweaked toml for crates.io crate rbl_circular_buffer 0.1.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] [stdout] fd927935ae48e2e18f10a374d1821896ef1c31497d1076db767cf798ebf90f5a
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[INFO] [stdout] error[E0599]: no method named `fast_fill` found for struct `rbl_circular_buffer::CircularBuffer` in the current scope
[INFO] [stdout]   --> benches/fast_fill_vs_fill_by_hand.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |         t1.fast_fill(&mut d);
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `_fast_fill` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 16 |         t1._fast_fill(&mut d);
[INFO] [stdout]    |            ~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rbl_circular_buffer` (bench "fast_fill_vs_fill_by_hand") due to 2 previous errors
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `fast_fill` found for struct `rbl_circular_buffer::CircularBuffer` in the current scope
[INFO] [stdout]   --> benches/fast_fill_vs_fill.rs:30:40
[INFO] [stdout]    |
[INFO] [stdout] 30 |                 bencher.iter(|| buffer.fast_fill(&mut drainer));
[INFO] [stdout]    |                                        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `_fast_fill` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 30 |                 bencher.iter(|| buffer._fast_fill(&mut drainer));
[INFO] [stdout]    |                                        ~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rbl_circular_buffer` (bench "fast_fill_vs_fill") due to 2 previous errors
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fd927935ae48e2e18f10a374d1821896ef1c31497d1076db767cf798ebf90f5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd927935ae48e2e18f10a374d1821896ef1c31497d1076db767cf798ebf90f5a", kill_on_drop: false }`
[INFO] [stdout] fd927935ae48e2e18f10a374d1821896ef1c31497d1076db767cf798ebf90f5a