[INFO] fetching crate fastfibonacci 0.3.0...
[INFO] checking fastfibonacci-0.3.0 against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848
[INFO] extracting crate fastfibonacci 0.3.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate fastfibonacci 0.3.0 on toolchain b0696a5160711c068cb1f01b7437db7990d15750
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fastfibonacci 0.3.0
[INFO] finished tweaking crates.io crate fastfibonacci 0.3.0
[INFO] tweaked toml for crates.io crate fastfibonacci 0.3.0 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" "+b0696a5160711c068cb1f01b7437db7990d15750" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fibonacci_codec v0.2.0
[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" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] be06c6c41d33f2a6f5cbb8014afc227e58b5c79a4d8e5fc7707545a6c2867bab
[INFO] running `Command { std: "docker" "start" "-a" "be06c6c41d33f2a6f5cbb8014afc227e58b5c79a4d8e5fc7707545a6c2867bab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be06c6c41d33f2a6f5cbb8014afc227e58b5c79a4d8e5fc7707545a6c2867bab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be06c6c41d33f2a6f5cbb8014afc227e58b5c79a4d8e5fc7707545a6c2867bab", kill_on_drop: false }`
[INFO] [stdout] be06c6c41d33f2a6f5cbb8014afc227e58b5c79a4d8e5fc7707545a6c2867bab
[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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2188888b6a019ec404513ac330db0c38c16344c3ca3aa47410e7129b88693abf
[INFO] running `Command { std: "docker" "start" "-a" "2188888b6a019ec404513ac330db0c38c16344c3ca3aa47410e7129b88693abf", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]     Checking clap_lex v0.7.0
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking anstyle v1.0.6
[INFO] [stderr]     Checking wyz v0.5.1
[INFO] [stderr]     Checking backtrace v0.3.69
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking clap_builder v4.5.2
[INFO] [stderr]     Checking funty v2.0.0
[INFO] [stderr]     Checking itertools v0.12.1
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking is-terminal v0.4.12
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking yansi v0.5.1
[INFO] [stderr]     Checking pretty_assertions v1.4.0
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.5
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking num-bigint v0.4.4
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]     Checking clap v4.5.2
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking num v0.4.1
[INFO] [stderr]     Checking fastfibonacci v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `FFBitvec`
[INFO] [stdout]   --> src/fast.rs:65:24
[INFO] [stdout]    |
[INFO] [stdout] 65 | use crate::fastutils::{FFBitvec, FFBitorder, FFBitslice};
[INFO] [stdout]    |                        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `FFBitvec` is never used
[INFO] [stdout]  --> src/fastutils.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub(crate) type FFBitvec = BitVec<u8, FFBitorder>;
[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]    Compiling fibonacci_codec v0.2.0
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking serde_json v1.0.114
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stdout] error: couldn't read benches/my_benchmark.rs: No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fastfibonacci` (bench "my_benchmark") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: the item `FFBitorder` is imported redundantly
[INFO] [stdout]    --> src/fastutils.rs:364:9
[INFO] [stdout]     |
[INFO] [stdout] 364 |     use super::FFBitorder;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 365 |
[INFO] [stdout] 366 |     use super::*;
[INFO] [stdout]     |         -------- the item `FFBitorder` is already imported here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FFBitvec`
[INFO] [stdout]   --> src/fast.rs:65:24
[INFO] [stdout]    |
[INFO] [stdout] 65 | use crate::fastutils::{FFBitvec, FFBitorder, FFBitslice};
[INFO] [stdout]    |                        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `FFBitvec` is never used
[INFO] [stdout]  --> src/fastutils.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub(crate) type FFBitvec = BitVec<u8, FFBitorder>;
[INFO] [stdout]   |                 ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2188888b6a019ec404513ac330db0c38c16344c3ca3aa47410e7129b88693abf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2188888b6a019ec404513ac330db0c38c16344c3ca3aa47410e7129b88693abf", kill_on_drop: false }`
[INFO] [stdout] 2188888b6a019ec404513ac330db0c38c16344c3ca3aa47410e7129b88693abf
