[INFO] fetching crate four-bar 0.6.0...
[INFO] testing four-bar-0.6.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate four-bar 0.6.0 into /workspace/builds/worker-69/source
[INFO] validating manifest of crates.io crate four-bar 0.6.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate four-bar 0.6.0
[INFO] finished tweaking crates.io crate four-bar 0.6.0
[INFO] tweaked toml for crates.io crate four-bar 0.6.0 written to /workspace/builds/worker-69/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded askama_derive v0.10.5
[INFO] [stderr]   Downloaded askama_shared v0.11.2
[INFO] [stderr]   Downloaded askama v0.10.5
[INFO] [stderr]   Downloaded askama_escape v0.10.3
[INFO] [stderr]   Downloaded plotly_kaleido v0.3.0
[INFO] [stderr]   Downloaded plotly v0.7.0
[INFO] [stderr]   Downloaded metaheuristics-nature v0.23.1
[INFO] [stderr]   Downloaded efd v0.11.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 76c817fef2f77b63ac07db857c347f1cbbf2d0f32ad1624f7c53dca3092a020e
[INFO] running `Command { std: "docker" "start" "-a" "76c817fef2f77b63ac07db857c347f1cbbf2d0f32ad1624f7c53dca3092a020e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76c817fef2f77b63ac07db857c347f1cbbf2d0f32ad1624f7c53dca3092a020e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76c817fef2f77b63ac07db857c347f1cbbf2d0f32ad1624f7c53dca3092a020e", kill_on_drop: false }`
[INFO] [stdout] 76c817fef2f77b63ac07db857c347f1cbbf2d0f32ad1624f7c53dca3092a020e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a807274f4e711accdc5ac80c7c75e97971e72f76321e627fd38f1194623c0c65
[INFO] running `Command { std: "docker" "start" "-a" "a807274f4e711accdc5ac80c7c75e97971e72f76321e627fd38f1194623c0c65", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.7
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.2
[INFO] [stderr]    Compiling getrandom v0.2.5
[INFO] [stderr]    Compiling matrixmultiply v0.3.2
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling ndarray v0.15.4
[INFO] [stderr]    Compiling efd v0.11.1
[INFO] [stderr]    Compiling metaheuristics-nature v0.23.1
[INFO] [stderr]    Compiling four-bar v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.65s
[INFO] running `Command { std: "docker" "inspect" "a807274f4e711accdc5ac80c7c75e97971e72f76321e627fd38f1194623c0c65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a807274f4e711accdc5ac80c7c75e97971e72f76321e627fd38f1194623c0c65", kill_on_drop: false }`
[INFO] [stdout] a807274f4e711accdc5ac80c7c75e97971e72f76321e627fd38f1194623c0c65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e9096183b1f2d5ba051609c49fe8c4d7353beb832ae8d4d39a66475542f920c
[INFO] running `Command { std: "docker" "start" "-a" "9e9096183b1f2d5ba051609c49fe8c4d7353beb832ae8d4d39a66475542f920c", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling terminal_size v0.1.17
[INFO] [stderr]    Compiling console v0.15.0
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling indicatif v0.16.2
[INFO] [stderr]    Compiling ron v0.7.0
[INFO] [stderr]    Compiling four-bar v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find function `anti_sym_ext` in module `synthesis`
[INFO] [stdout]  --> src/tests.rs:8:26
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let ans = synthesis::anti_sym_ext(OPEN_CURVE1);
[INFO] [stdout]   |                          ^^^^^^^^^^^^ not found in `synthesis`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::curve::anti_sym_ext;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `four-bar` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "9e9096183b1f2d5ba051609c49fe8c4d7353beb832ae8d4d39a66475542f920c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e9096183b1f2d5ba051609c49fe8c4d7353beb832ae8d4d39a66475542f920c", kill_on_drop: false }`
[INFO] [stdout] 9e9096183b1f2d5ba051609c49fe8c4d7353beb832ae8d4d39a66475542f920c