[INFO] fetching crate building_blocks_core 0.7.0...
[INFO] testing building_blocks_core-0.7.0 against beta-2021-09-12 for beta-1.56-2
[INFO] extracting crate building_blocks_core 0.7.0 into /workspace/builds/worker-27/source
[INFO] validating manifest of crates.io crate building_blocks_core 0.7.0 on toolchain beta-2021-09-12
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-12" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate building_blocks_core 0.7.0
[INFO] finished tweaking crates.io crate building_blocks_core 0.7.0
[INFO] tweaked toml for crates.io crate building_blocks_core 0.7.0 written to /workspace/builds/worker-27/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-12" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-12" "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-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-12" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d1f7786239e5f2614d190064b7ca04a710fa5b8bf1770085049488f462430a62
[INFO] running `Command { std: "docker" "start" "-a" "d1f7786239e5f2614d190064b7ca04a710fa5b8bf1770085049488f462430a62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d1f7786239e5f2614d190064b7ca04a710fa5b8bf1770085049488f462430a62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1f7786239e5f2614d190064b7ca04a710fa5b8bf1770085049488f462430a62", kill_on_drop: false }`
[INFO] [stdout] d1f7786239e5f2614d190064b7ca04a710fa5b8bf1770085049488f462430a62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-12" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 585acf2abfa39269dda5c765800b328ef350f9f7540bc2b821276c2c2321ccd9
[INFO] running `Command { std: "docker" "start" "-a" "585acf2abfa39269dda5c765800b328ef350f9f7540bc2b821276c2c2321ccd9", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-bigint v0.3.3
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num v0.3.1
[INFO] [stderr]    Compiling building_blocks_core v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0658]: use of unstable library feature 'int_roundings'
[INFO] [stdout]    --> src/point/point_traits.rs:416:61
[INFO] [stdout]     |
[INFO] [stdout] 416 |                 self.map_components_binary(rhs, |c1, c2| c1.div_floor(&c2))
[INFO] [stdout]     |                                                             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/point/point2.rs:391:1
[INFO] [stdout]     |
[INFO] [stdout] 391 | impl_integer_div!(Point2i, i32);
[INFO] [stdout]     | -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #88581 <https://github.com/rust-lang/rust/issues/88581> for more information
[INFO] [stdout]     = note: this error originates in the macro `impl_integer_div` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/point/point_traits.rs:416:71
[INFO] [stdout]     |
[INFO] [stdout] 416 |                 self.map_components_binary(rhs, |c1, c2| c1.div_floor(&c2))
[INFO] [stdout]     |                                                                       ^^^ expected `i32`, found `&i32`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/point/point2.rs:391:1
[INFO] [stdout]     |
[INFO] [stdout] 391 | impl_integer_div!(Point2i, i32);
[INFO] [stdout]     | -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_integer_div` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider removing the borrow
[INFO] [stdout]     |
[INFO] [stdout] 416 -                 self.map_components_binary(rhs, |c1, c2| c1.div_floor(&c2))
[INFO] [stdout] 416 +                 self.map_components_binary(rhs, |c1, c2| c1.div_floor(c2))
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'int_roundings'
[INFO] [stdout]    --> src/point/point_traits.rs:421:49
[INFO] [stdout]     |
[INFO] [stdout] 421 |                 self.map_components_unary(|c| c.div_floor(&rhs))
[INFO] [stdout]     |                                                 ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/point/point2.rs:391:1
[INFO] [stdout]     |
[INFO] [stdout] 391 | impl_integer_div!(Point2i, i32);
[INFO] [stdout]     | -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #88581 <https://github.com/rust-lang/rust/issues/88581> for more information
[INFO] [stdout]     = note: this error originates in the macro `impl_integer_div` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/point/point_traits.rs:421:59
[INFO] [stdout]     |
[INFO] [stdout] 421 |                 self.map_components_unary(|c| c.div_floor(&rhs))
[INFO] [stdout]     |                                                           ^^^^ expected `i32`, found `&i32`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/point/point2.rs:391:1
[INFO] [stdout]     |
[INFO] [stdout] 391 | impl_integer_div!(Point2i, i32);
[INFO] [stdout]     | -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_integer_div` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider removing the borrow
[INFO] [stdout]     |
[INFO] [stdout] 421 -                 self.map_components_unary(|c| c.div_floor(&rhs))
[INFO] [stdout] 421 +                 self.map_components_unary(|c| c.div_floor(rhs))
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'int_roundings'
[INFO] [stdout]    --> src/point/point_traits.rs:426:61
[INFO] [stdout]     |
[INFO] [stdout] 426 |                 self.map_components_binary(rhs, |c1, c2| c1.div_ceil(&c2))
[INFO] [stdout]     |                                                             ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/point/point2.rs:391:1
[INFO] [stdout]     |
[INFO] [stdout] 391 | impl_integer_div!(Point2i, i32);
[INFO] [stdout]     | -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #88581 <https://github.com/rust-lang/rust/issues/88581> for more information
[INFO] [stdout]     = note: this error originates in the macro `impl_integer_div` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/point/point_traits.rs:426:70
[INFO] [stdout]     |
[INFO] [stdout] 426 |                 self.map_components_binary(rhs, |c1, c2| c1.div_ceil(&c2))
[INFO] [stdout]     |                                                                      ^^^ expected `i32`, found `&i32`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/point/point2.rs:391:1
[INFO] [stdout]     |
[INFO] [stdout] 391 | impl_integer_div!(Point2i, i32);
[INFO] [stdout]     | -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_integer_div` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider removing the borrow
[INFO] [stdout]     |
[INFO] [stdout] 426 -                 self.map_components_binary(rhs, |c1, c2| c1.div_ceil(&c2))
[INFO] [stdout] 426 +                 self.map_components_binary(rhs, |c1, c2| c1.div_ceil(c2))
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'int_roundings'
[INFO] [stdout]    --> src/point/point_traits.rs:431:49
[INFO] [stdout]     |
[INFO] [stdout] 431 |                 self.map_components_unary(|c| c.div_ceil(&rhs))
[INFO] [stdout]     |                                                 ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/point/point2.rs:391:1
[INFO] [stdout]     |
[INFO] [stdout] 391 | impl_integer_div!(Point2i, i32);
[INFO] [stdout]     | -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #88581 <https://github.com/rust-lang/rust/issues/88581> for more information
[INFO] [stdout]     = note: this error originates in the macro `impl_integer_div` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/point/point_traits.rs:431:58
[INFO] [stdout]     |
[INFO] [stdout] 431 |                 self.map_components_unary(|c| c.div_ceil(&rhs))
[INFO] [stdout]     |                                                          ^^^^ expected `i32`, found `&i32`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/point/point2.rs:391:1
[INFO] [stdout]     |
[INFO] [stdout] 391 | impl_integer_div!(Point2i, i32);
[INFO] [stdout]     | -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_integer_div` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider removing the borrow
[INFO] [stdout]     |
[INFO] [stdout] 431 -                 self.map_components_unary(|c| c.div_ceil(&rhs))
[INFO] [stdout] 431 +                 self.map_components_unary(|c| c.div_ceil(rhs))
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'int_roundings'
[INFO] [stdout]    --> src/point/point_traits.rs:416:61
[INFO] [stdout]     |
[INFO] [stdout] 416 |                 self.map_components_binary(rhs, |c1, c2| c1.div_floor(&c2))
[INFO] [stdout]     |                                                             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/point/point3.rs:494:1
[INFO] [stdout]     |
[INFO] [stdout] 494 | impl_integer_div!(Point3i, i32);
[INFO] [stdout]     | -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #88581 <https://github.com/rust-lang/rust/issues/88581> for more information
[INFO] [stdout]     = note: this error originates in the macro `impl_integer_div` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/point/point_traits.rs:416:71
[INFO] [stdout]     |
[INFO] [stdout] 416 |                 self.map_components_binary(rhs, |c1, c2| c1.div_floor(&c2))
[INFO] [stdout]     |                                                                       ^^^ expected `i32`, found `&i32`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/point/point3.rs:494:1
[INFO] [stdout]     |
[INFO] [stdout] 494 | impl_integer_div!(Point3i, i32);
[INFO] [stdout]     | -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_integer_div` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider removing the borrow
[INFO] [stdout]     |
[INFO] [stdout] 416 -                 self.map_components_binary(rhs, |c1, c2| c1.div_floor(&c2))
[INFO] [stdout] 416 +                 self.map_components_binary(rhs, |c1, c2| c1.div_floor(c2))
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'int_roundings'
[INFO] [stdout]    --> src/point/point_traits.rs:421:49
[INFO] [stdout]     |
[INFO] [stdout] 421 |                 self.map_components_unary(|c| c.div_floor(&rhs))
[INFO] [stdout]     |                                                 ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/point/point3.rs:494:1
[INFO] [stdout]     |
[INFO] [stdout] 494 | impl_integer_div!(Point3i, i32);
[INFO] [stdout]     | -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #88581 <https://github.com/rust-lang/rust/issues/88581> for more information
[INFO] [stdout]     = note: this error originates in the macro `impl_integer_div` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/point/point_traits.rs:421:59
[INFO] [stdout]     |
[INFO] [stdout] 421 |                 self.map_components_unary(|c| c.div_floor(&rhs))
[INFO] [stdout]     |                                                           ^^^^ expected `i32`, found `&i32`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/point/point3.rs:494:1
[INFO] [stdout]     |
[INFO] [stdout] 494 | impl_integer_div!(Point3i, i32);
[INFO] [stdout]     | -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_integer_div` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider removing the borrow
[INFO] [stdout]     |
[INFO] [stdout] 421 -                 self.map_components_unary(|c| c.div_floor(&rhs))
[INFO] [stdout] 421 +                 self.map_components_unary(|c| c.div_floor(rhs))
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'int_roundings'
[INFO] [stdout]    --> src/point/point_traits.rs:426:61
[INFO] [stdout]     |
[INFO] [stdout] 426 |                 self.map_components_binary(rhs, |c1, c2| c1.div_ceil(&c2))
[INFO] [stdout]     |                                                             ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/point/point3.rs:494:1
[INFO] [stdout]     |
[INFO] [stdout] 494 | impl_integer_div!(Point3i, i32);
[INFO] [stdout]     | -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #88581 <https://github.com/rust-lang/rust/issues/88581> for more information
[INFO] [stdout]     = note: this error originates in the macro `impl_integer_div` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/point/point_traits.rs:426:70
[INFO] [stdout]     |
[INFO] [stdout] 426 |                 self.map_components_binary(rhs, |c1, c2| c1.div_ceil(&c2))
[INFO] [stdout]     |                                                                      ^^^ expected `i32`, found `&i32`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/point/point3.rs:494:1
[INFO] [stdout]     |
[INFO] [stdout] 494 | impl_integer_div!(Point3i, i32);
[INFO] [stdout]     | -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_integer_div` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider removing the borrow
[INFO] [stdout]     |
[INFO] [stdout] 426 -                 self.map_components_binary(rhs, |c1, c2| c1.div_ceil(&c2))
[INFO] [stdout] 426 +                 self.map_components_binary(rhs, |c1, c2| c1.div_ceil(c2))
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'int_roundings'
[INFO] [stdout]    --> src/point/point_traits.rs:431:49
[INFO] [stdout]     |
[INFO] [stdout] 431 |                 self.map_components_unary(|c| c.div_ceil(&rhs))
[INFO] [stdout]     |                                                 ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/point/point3.rs:494:1
[INFO] [stdout]     |
[INFO] [stdout] 494 | impl_integer_div!(Point3i, i32);
[INFO] [stdout]     | -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #88581 <https://github.com/rust-lang/rust/issues/88581> for more information
[INFO] [stdout]     = note: this error originates in the macro `impl_integer_div` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/point/point_traits.rs:431:58
[INFO] [stdout]     |
[INFO] [stdout] 431 |                 self.map_components_unary(|c| c.div_ceil(&rhs))
[INFO] [stdout]     |                                                          ^^^^ expected `i32`, found `&i32`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/point/point3.rs:494:1
[INFO] [stdout]     |
[INFO] [stdout] 494 | impl_integer_div!(Point3i, i32);
[INFO] [stdout]     | -------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_integer_div` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider removing the borrow
[INFO] [stdout]     |
[INFO] [stdout] 431 -                 self.map_components_unary(|c| c.div_ceil(&rhs))
[INFO] [stdout] 431 +                 self.map_components_unary(|c| c.div_ceil(rhs))
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Integer`
[INFO] [stdout]  --> src/point/point2.rs:7:24
[INFO] [stdout]   |
[INFO] [stdout] 7 | use num::{traits::Pow, Integer, Signed};
[INFO] [stdout]   |                        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Integer`
[INFO] [stdout]  --> src/point/point3.rs:7:24
[INFO] [stdout]   |
[INFO] [stdout] 7 | use num::{traits::Pow, Integer, Signed};
[INFO] [stdout]   |                        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 16 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `building_blocks_core` due to 17 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "585acf2abfa39269dda5c765800b328ef350f9f7540bc2b821276c2c2321ccd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "585acf2abfa39269dda5c765800b328ef350f9f7540bc2b821276c2c2321ccd9", kill_on_drop: false }`
[INFO] [stdout] 585acf2abfa39269dda5c765800b328ef350f9f7540bc2b821276c2c2321ccd9