[INFO] fetching crate ilog2 0.2.2... [INFO] documenting ilog2-0.2.2 against beta-2022-05-20 for beta-1.62-rustdoc-1 [INFO] extracting crate ilog2 0.2.2 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate ilog2 0.2.2 on toolchain beta-2022-05-20 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate ilog2 0.2.2 [INFO] finished tweaking crates.io crate ilog2 0.2.2 [INFO] tweaked toml for crates.io crate ilog2 0.2.2 written to /workspace/builds/worker-2/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "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-2022-05-20" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] c0ba062d6e6ba1e0d02695f88f3ce2bfb39437455254f20f29b1759320937983 [INFO] running `Command { std: "docker" "start" "-a" "c0ba062d6e6ba1e0d02695f88f3ce2bfb39437455254f20f29b1759320937983", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c0ba062d6e6ba1e0d02695f88f3ce2bfb39437455254f20f29b1759320937983", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c0ba062d6e6ba1e0d02695f88f3ce2bfb39437455254f20f29b1759320937983", kill_on_drop: false }` [INFO] [stdout] c0ba062d6e6ba1e0d02695f88f3ce2bfb39437455254f20f29b1759320937983 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "RUSTDOCFLAGS=--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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 63489856e9fd2c2ba90ee03171e4b6a715f6bfcf8c44760fd30682b8028206ac [INFO] running `Command { std: "docker" "start" "-a" "63489856e9fd2c2ba90ee03171e4b6a715f6bfcf8c44760fd30682b8028206ac", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Compiling num-bigint v0.4.3 [INFO] [stderr] Compiling num-iter v0.1.43 [INFO] [stderr] Compiling num-rational v0.4.0 [INFO] [stderr] Checking num-complex v0.4.1 [INFO] [stderr] Checking num v0.4.0 [INFO] [stderr] Documenting ilog2 v0.2.2 (/opt/rustwide/workdir) [INFO] [stderr] Checking ilog2 v0.2.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/ffs.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 9 | (x.trailing_zeros() as i8) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 9 - (x.trailing_zeros() as i8) [INFO] [stdout] 9 + x.trailing_zeros() as i8 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/fls.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | (bits -1i8 - (x.leading_zeros() as i8)) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 10 - (bits -1i8 - (x.leading_zeros() as i8)) [INFO] [stdout] 10 + bits -1i8 - (x.leading_zeros() as i8) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/ffz.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 9 | (x.trailing_ones() as i8) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 9 - (x.trailing_ones() as i8) [INFO] [stdout] 9 + x.trailing_ones() as i8 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/flz.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | (bits -1i8 - (x.leading_ones() as i8)) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 10 - (bits -1i8 - (x.leading_ones() as i8)) [INFO] [stdout] 10 + bits -1i8 - (x.leading_ones() as i8) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/ffs.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 9 | (x.trailing_zeros() as i8) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 9 - (x.trailing_zeros() as i8) [INFO] [stdout] 9 + x.trailing_zeros() as i8 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/fls.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | (bits -1i8 - (x.leading_zeros() as i8)) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 10 - (bits -1i8 - (x.leading_zeros() as i8)) [INFO] [stdout] 10 + bits -1i8 - (x.leading_zeros() as i8) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/ffz.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 9 | (x.trailing_ones() as i8) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 9 - (x.trailing_ones() as i8) [INFO] [stdout] 9 + x.trailing_ones() as i8 [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/flz.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | (bits -1i8 - (x.leading_ones() as i8)) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 10 - (bits -1i8 - (x.leading_ones() as i8)) [INFO] [stdout] 10 + bits -1i8 - (x.leading_ones() as i8) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0034]: multiple applicable items in scope [INFO] [stdout] --> src/ffz.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 9 | (x.trailing_ones() as i8) [INFO] [stdout] | ^^^^^^^^^^^^^ multiple `trailing_ones` found [INFO] [stdout] | [INFO] [stdout] note: candidate #1 is defined in the trait `future::Future` [INFO] [stdout] --> src/future.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | fn trailing_ones(self) -> u32; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] note: candidate #2 is defined in the trait `PrimInt` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/num-traits-0.2.15/src/int.rs:123:5 [INFO] [stdout] | [INFO] [stdout] 123 | fn trailing_ones(self) -> u32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] help: disambiguate the associated function for candidate #1 [INFO] [stdout] | [INFO] [stdout] 9 | (future::Future::trailing_ones(x) as i8) [INFO] [stdout] | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ [INFO] [stdout] help: disambiguate the associated function for candidate #2 [INFO] [stdout] | [INFO] [stdout] 9 | (PrimInt::trailing_ones(x) as i8) [INFO] [stdout] | ~~~~~~~~~~~~~~~~~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0034]: multiple applicable items in scope [INFO] [stdout] --> src/flz.rs:10:25 [INFO] [stdout] | [INFO] [stdout] 10 | (bits -1i8 - (x.leading_ones() as i8)) [INFO] [stdout] | ^^^^^^^^^^^^ multiple `leading_ones` found [INFO] [stdout] | [INFO] [stdout] note: candidate #1 is defined in the trait `future::Future` [INFO] [stdout] --> src/future.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | fn leading_ones(self) -> u32; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] note: candidate #2 is defined in the trait `PrimInt` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/num-traits-0.2.15/src/int.rs:93:5 [INFO] [stdout] | [INFO] [stdout] 93 | fn leading_ones(self) -> u32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] help: disambiguate the associated function for candidate #1 [INFO] [stdout] | [INFO] [stdout] 10 | (bits -1i8 - (future::Future::leading_ones(x) as i8)) [INFO] [stdout] | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ [INFO] [stdout] help: disambiguate the associated function for candidate #2 [INFO] [stdout] | [INFO] [stdout] 10 | (bits -1i8 - (PrimInt::leading_ones(x) as i8)) [INFO] [stdout] | ~~~~~~~~~~~~~~~~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0034`. [INFO] [stdout] [INFO] [stderr] error: could not compile `ilog2` due to 3 previous errors; 4 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "63489856e9fd2c2ba90ee03171e4b6a715f6bfcf8c44760fd30682b8028206ac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "63489856e9fd2c2ba90ee03171e4b6a715f6bfcf8c44760fd30682b8028206ac", kill_on_drop: false }` [INFO] [stdout] 63489856e9fd2c2ba90ee03171e4b6a715f6bfcf8c44760fd30682b8028206ac