[INFO] fetching crate r3_portkit 0.1.0...
[INFO] checking r3_portkit-0.1.0 against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] extracting crate r3_portkit 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate r3_portkit 0.1.0 on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate r3_portkit 0.1.0
[INFO] finished tweaking crates.io crate r3_portkit 0.1.0
[INFO] tweaked toml for crates.io crate r3_portkit 0.1.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "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" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b6d85b89a2a82ffcde4c44a573d1f1d7d6d2c13882e5648dd3ff8e02419770ae
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b6d85b89a2a82ffcde4c44a573d1f1d7d6d2c13882e5648dd3ff8e02419770ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6d85b89a2a82ffcde4c44a573d1f1d7d6d2c13882e5648dd3ff8e02419770ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6d85b89a2a82ffcde4c44a573d1f1d7d6d2c13882e5648dd3ff8e02419770ae", kill_on_drop: false }`
[INFO] [stdout] b6d85b89a2a82ffcde4c44a573d1f1d7d6d2c13882e5648dd3ff8e02419770ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc126cf9247683ce8ba04ac70f32ad0e46057540b96470ea04a577dc26cca4d7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fc126cf9247683ce8ba04ac70f32ad0e46057540b96470ea04a577dc26cca4d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling svg v0.5.12
[INFO] [stderr]    Compiling pom v1.1.0
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking staticvec v0.10.5
[INFO] [stderr]     Checking assert_matches v1.4.0
[INFO] [stderr]     Checking tokenlock v0.3.1
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling svgbob v0.4.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking quickcheck v0.9.2
[INFO] [stderr]    Compiling svgbobdoc v0.2.3
[INFO] [stderr]    Compiling quickcheck_macros v0.9.1
[INFO] [stderr]     Checking r3 v0.1.0
[INFO] [stdout] error: expressions must be enclosed in braces to be used as const generic arguments
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/r3-0.1.0/src/utils/int.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     if (MAX <= u8::MAX as u128) {
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: enclose the `const` expression in braces
[INFO] [stdout]   |
[INFO] [stdout] 9 |     if ({ MAX <= u8::MAX as u128 }) {
[INFO] [stdout]   |         ^                        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expressions must be enclosed in braces to be used as const generic arguments
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/r3-0.1.0/src/utils/int.rs:11:16
[INFO] [stdout]    |
[INFO] [stdout] 11 |     } else if (MAX <= u16::MAX as u128) {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: enclose the `const` expression in braces
[INFO] [stdout]    |
[INFO] [stdout] 11 |     } else if ({ MAX <= u16::MAX as u128 }) {
[INFO] [stdout]    |                ^                         ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expressions must be enclosed in braces to be used as const generic arguments
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/r3-0.1.0/src/utils/int.rs:13:16
[INFO] [stdout]    |
[INFO] [stdout] 13 |     } else if (MAX <= u32::MAX as u128) {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: enclose the `const` expression in braces
[INFO] [stdout]    |
[INFO] [stdout] 13 |     } else if ({ MAX <= u32::MAX as u128 }) {
[INFO] [stdout]    |                ^                         ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expressions must be enclosed in braces to be used as const generic arguments
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/r3-0.1.0/src/utils/int.rs:15:16
[INFO] [stdout]    |
[INFO] [stdout] 15 |     } else if (MAX <= u64::MAX as u128) {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: enclose the `const` expression in braces
[INFO] [stdout]    |
[INFO] [stdout] 15 |     } else if ({ MAX <= u64::MAX as u128 }) {
[INFO] [stdout]    |                ^                         ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expressions must be enclosed in braces to be used as const generic arguments
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/r3-0.1.0/src/utils/prio_bitmap.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     if (LEN <= WORD_LEN) {
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: enclose the `const` expression in braces
[INFO] [stdout]    |
[INFO] [stdout] 14 |     if ({ LEN <= WORD_LEN }) {
[INFO] [stdout]    |         ^                 ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expressions must be enclosed in braces to be used as const generic arguments
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/r3-0.1.0/src/utils/prio_bitmap.rs:16:16
[INFO] [stdout]    |
[INFO] [stdout] 16 |     } else if (LEN <= WORD_LEN * WORD_LEN) {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: enclose the `const` expression in braces
[INFO] [stdout]    |
[INFO] [stdout] 16 |     } else if ({ LEN <= WORD_LEN * WORD_LEN }) {
[INFO] [stdout]    |                ^                            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expressions must be enclosed in braces to be used as const generic arguments
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/r3-0.1.0/src/utils/prio_bitmap.rs:21:16
[INFO] [stdout]    |
[INFO] [stdout] 21 |     } else if (LEN <= WORD_LEN * WORD_LEN * WORD_LEN) {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: enclose the `const` expression in braces
[INFO] [stdout]    |
[INFO] [stdout] 21 |     } else if ({ LEN <= WORD_LEN * WORD_LEN * WORD_LEN }) {
[INFO] [stdout]    |                ^                                       ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expressions must be enclosed in braces to be used as const generic arguments
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/r3-0.1.0/src/utils/prio_bitmap.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |     if (LEN == 0) {
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: enclose the `const` expression in braces
[INFO] [stdout]    |
[INFO] [stdout] 38 |     if ({ LEN == 0 }) {
[INFO] [stdout]    |         ^          ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expressions must be enclosed in braces to be used as const generic arguments
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/r3-0.1.0/src/utils/prio_bitmap.rs:40:16
[INFO] [stdout]    |
[INFO] [stdout] 40 |     } else if (LEN <= 8 && LEN <= WORD_LEN) {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: enclose the `const` expression in braces
[INFO] [stdout]    |
[INFO] [stdout] 40 |     } else if ({ LEN <= 8 && LEN <= WORD_LEN }) {
[INFO] [stdout]    |                ^                             ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expressions must be enclosed in braces to be used as const generic arguments
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/r3-0.1.0/src/utils/prio_bitmap.rs:42:16
[INFO] [stdout]    |
[INFO] [stdout] 42 |     } else if (LEN <= 16 && LEN <= WORD_LEN) {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: enclose the `const` expression in braces
[INFO] [stdout]    |
[INFO] [stdout] 42 |     } else if ({ LEN <= 16 && LEN <= WORD_LEN }) {
[INFO] [stdout]    |                ^                              ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expressions must be enclosed in braces to be used as const generic arguments
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/r3-0.1.0/src/utils/prio_bitmap.rs:44:16
[INFO] [stdout]    |
[INFO] [stdout] 44 |     } else if (LEN <= 32 && LEN <= WORD_LEN) {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: enclose the `const` expression in braces
[INFO] [stdout]    |
[INFO] [stdout] 44 |     } else if ({ LEN <= 32 && LEN <= WORD_LEN }) {
[INFO] [stdout]    |                ^                              ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expressions must be enclosed in braces to be used as const generic arguments
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/r3-0.1.0/src/utils/prio_bitmap.rs:46:16
[INFO] [stdout]    |
[INFO] [stdout] 46 |     } else if (LEN <= 64 && LEN <= WORD_LEN) {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: enclose the `const` expression in braces
[INFO] [stdout]    |
[INFO] [stdout] 46 |     } else if ({ LEN <= 64 && LEN <= WORD_LEN }) {
[INFO] [stdout]    |                ^                              ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expressions must be enclosed in braces to be used as const generic arguments
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/r3-0.1.0/src/utils/prio_bitmap.rs:48:16
[INFO] [stdout]    |
[INFO] [stdout] 48 |     } else if (LEN <= 128 && LEN <= WORD_LEN) {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: enclose the `const` expression in braces
[INFO] [stdout]    |
[INFO] [stdout] 48 |     } else if ({ LEN <= 128 && LEN <= WORD_LEN }) {
[INFO] [stdout]    |                ^                               ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expressions must be enclosed in braces to be used as const generic arguments
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/r3-0.1.0/src/utils/for_times.rs:36:37
[INFO] [stdout]    |
[INFO] [stdout] 36 | type Bn<const I: usize> = If! { if (I == 0) { B0 } else { B1 } };
[INFO] [stdout]    |                                     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: enclose the `const` expression in braces
[INFO] [stdout]    |
[INFO] [stdout] 36 | type Bn<const I: usize> = If! { if ({ I == 0 }) { B0 } else { B1 } };
[INFO] [stdout]    |                                     ^        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expressions must be enclosed in braces to be used as const generic arguments
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/r3-0.1.0/src/utils/for_times.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |     if (I <= U_MAX) { WrappingU<I> } else { Overflow }
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: enclose the `const` expression in braces
[INFO] [stdout]    |
[INFO] [stdout] 43 |     if ({ I <= U_MAX }) { WrappingU<I> } else { Overflow }
[INFO] [stdout]    |         ^            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 15 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `r3`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "fc126cf9247683ce8ba04ac70f32ad0e46057540b96470ea04a577dc26cca4d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc126cf9247683ce8ba04ac70f32ad0e46057540b96470ea04a577dc26cca4d7", kill_on_drop: false }`
[INFO] [stdout] fc126cf9247683ce8ba04ac70f32ad0e46057540b96470ea04a577dc26cca4d7