[INFO] fetching crate pav_regression 0.2.6...
[INFO] testing pav_regression-0.2.6 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate pav_regression 0.2.6 into /workspace/builds/worker-58/source
[INFO] validating manifest of crates.io crate pav_regression 0.2.6 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pav_regression 0.2.6
[INFO] finished tweaking crates.io crate pav_regression 0.2.6
[INFO] tweaked toml for crates.io crate pav_regression 0.2.6 written to /workspace/builds/worker-58/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] af8179935e2a600e760cb251120d468d253dc5618437d5b82dbee1ba782e9e23
[INFO] running `Command { std: "docker" "start" "-a" "af8179935e2a600e760cb251120d468d253dc5618437d5b82dbee1ba782e9e23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af8179935e2a600e760cb251120d468d253dc5618437d5b82dbee1ba782e9e23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af8179935e2a600e760cb251120d468d253dc5618437d5b82dbee1ba782e9e23", kill_on_drop: false }`
[INFO] [stdout] af8179935e2a600e760cb251120d468d253dc5618437d5b82dbee1ba782e9e23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5368d49ac057ea6d23c840ba9f94916b439a4d5334204bb654b9edc0376c4a06
[INFO] running `Command { std: "docker" "start" "-a" "5368d49ac057ea6d23c840ba9f94916b439a4d5334204bb654b9edc0376c4a06", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling ordered-float v2.8.0
[INFO] [stderr]    Compiling pav_regression v0.2.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.34s
[INFO] running `Command { std: "docker" "inspect" "5368d49ac057ea6d23c840ba9f94916b439a4d5334204bb654b9edc0376c4a06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5368d49ac057ea6d23c840ba9f94916b439a4d5334204bb654b9edc0376c4a06", kill_on_drop: false }`
[INFO] [stdout] 5368d49ac057ea6d23c840ba9f94916b439a4d5334204bb654b9edc0376c4a06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f3daf54fde37f4823b59e5fe1933def575d01ef3d9b549e8c8d37f011217c782
[INFO] running `Command { std: "docker" "start" "-a" "f3daf54fde37f4823b59e5fe1933def575d01ef3d9b549e8c8d37f011217c782", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling pav_regression v0.2.6 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/pav.rs:235:41
[INFO] [stdout]     |
[INFO] [stdout] 235 |         assert!((regression.interpolate(1.5) - 6.0).abs() < f64::EPSILON);
[INFO] [stdout]     |                                         ^^^
[INFO] [stdout]     |                                         |
[INFO] [stdout]     |                                         expected `&f64`, found floating-point number
[INFO] [stdout]     |                                         help: consider borrowing here: `&1.5`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/pav.rs:278:43
[INFO] [stdout]     |
[INFO] [stdout] 278 |         assert_eq!(regression.interpolate(0.5), 2.5);
[INFO] [stdout]     |                                           ^^^
[INFO] [stdout]     |                                           |
[INFO] [stdout]     |                                           expected `&f64`, found floating-point number
[INFO] [stdout]     |                                           help: consider borrowing here: `&0.5`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/pav.rs:286:43
[INFO] [stdout]     |
[INFO] [stdout] 286 |         assert_eq!(regression.interpolate(0.0), 3.0);
[INFO] [stdout]     |                                           ^^^
[INFO] [stdout]     |                                           |
[INFO] [stdout]     |                                           expected `&f64`, found floating-point number
[INFO] [stdout]     |                                           help: consider borrowing here: `&0.0`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pav_regression` due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "f3daf54fde37f4823b59e5fe1933def575d01ef3d9b549e8c8d37f011217c782", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3daf54fde37f4823b59e5fe1933def575d01ef3d9b549e8c8d37f011217c782", kill_on_drop: false }`
[INFO] [stdout] f3daf54fde37f4823b59e5fe1933def575d01ef3d9b549e8c8d37f011217c782