[INFO] fetching crate ilog2 0.2.2...
[INFO] checking ilog2-0.2.2 against master#9c3064e131f4939cc95a29bb11413c49bbda1491 for pr-144098
[INFO] extracting crate ilog2 0.2.2 into /workspace/builds/worker-4-tc2/source
[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-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ilog2 0.2.2 on toolchain 9c3064e131f4939cc95a29bb11413c49bbda1491
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c3064e131f4939cc95a29bb11413c49bbda1491" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c3064e131f4939cc95a29bb11413c49bbda1491" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 8 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c3064e131f4939cc95a29bb11413c49bbda1491" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+9c3064e131f4939cc95a29bb11413c49bbda1491" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ba9828b2bb76c57b2a5ad9479d874dd6f15e95e8797a7525dbfae5333edd8354
[INFO] running `Command { std: "docker" "start" "-a" "ba9828b2bb76c57b2a5ad9479d874dd6f15e95e8797a7525dbfae5333edd8354", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba9828b2bb76c57b2a5ad9479d874dd6f15e95e8797a7525dbfae5333edd8354", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba9828b2bb76c57b2a5ad9479d874dd6f15e95e8797a7525dbfae5333edd8354", kill_on_drop: false }`
[INFO] [stdout] ba9828b2bb76c57b2a5ad9479d874dd6f15e95e8797a7525dbfae5333edd8354
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+9c3064e131f4939cc95a29bb11413c49bbda1491" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb9d5c7a02f0af346c8500be0ad43e4f1cd61e107f0cad30fffef65e5064b3ac
[INFO] running `Command { std: "docker" "start" "-a" "cb9d5c7a02f0af346c8500be0ad43e4f1cd61e107f0cad30fffef65e5064b3ac", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking num v0.4.3
[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/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/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/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 `PrimInt`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/num-traits-0.2.19/src/int.rs:123:5
[INFO] [stdout]     |
[INFO] [stdout] 123 |     fn trailing_ones(self) -> u32 {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: candidate #2 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] help: disambiguate the method for candidate #1
[INFO] [stdout]     |
[INFO] [stdout] 9   -         (x.trailing_ones() as i8)
[INFO] [stdout] 9   +         (PrimInt::trailing_ones(x) as i8)
[INFO] [stdout]     |
[INFO] [stdout] help: disambiguate the method for candidate #2
[INFO] [stdout]     |
[INFO] [stdout] 9   -         (x.trailing_ones() as i8)
[INFO] [stdout] 9   +         (future::Future::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 `PrimInt`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/num-traits-0.2.19/src/int.rs:93:5
[INFO] [stdout]    |
[INFO] [stdout] 93 |     fn leading_ones(self) -> u32 {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: candidate #2 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] help: disambiguate the method for candidate #1
[INFO] [stdout]    |
[INFO] [stdout] 10 -         (bits -1i8 - (x.leading_ones() as i8))
[INFO] [stdout] 10 +         (bits -1i8 - (PrimInt::leading_ones(x) as i8))
[INFO] [stdout]    |
[INFO] [stdout] help: disambiguate the method for candidate #2
[INFO] [stdout]    |
[INFO] [stdout] 10 -         (bits -1i8 - (x.leading_ones() as i8))
[INFO] [stdout] 10 +         (bits -1i8 - (future::Future::leading_ones(x) as i8))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0034`.
[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 `PrimInt`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/num-traits-0.2.19/src/int.rs:123:5
[INFO] [stdout]     |
[INFO] [stdout] 123 |     fn trailing_ones(self) -> u32 {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: candidate #2 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] help: disambiguate the method for candidate #1
[INFO] [stdout]     |
[INFO] [stdout] 9   -         (x.trailing_ones() as i8)
[INFO] [stdout] 9   +         (PrimInt::trailing_ones(x) as i8)
[INFO] [stdout]     |
[INFO] [stdout] help: disambiguate the method for candidate #2
[INFO] [stdout]     |
[INFO] [stdout] 9   -         (x.trailing_ones() as i8)
[INFO] [stdout] 9   +         (future::Future::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 `PrimInt`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/num-traits-0.2.19/src/int.rs:93:5
[INFO] [stdout]    |
[INFO] [stdout] 93 |     fn leading_ones(self) -> u32 {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: candidate #2 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] help: disambiguate the method for candidate #1
[INFO] [stdout]    |
[INFO] [stdout] 10 -         (bits -1i8 - (x.leading_ones() as i8))
[INFO] [stdout] 10 +         (bits -1i8 - (PrimInt::leading_ones(x) as i8))
[INFO] [stdout]    |
[INFO] [stdout] help: disambiguate the method for candidate #2
[INFO] [stdout]    |
[INFO] [stdout] 10 -         (bits -1i8 - (x.leading_ones() as i8))
[INFO] [stdout] 10 +         (bits -1i8 - (future::Future::leading_ones(x) as i8))
[INFO] [stdout]    |
[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` (lib) due to 2 previous errors; 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `ilog2` (lib test) due to 2 previous errors; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "cb9d5c7a02f0af346c8500be0ad43e4f1cd61e107f0cad30fffef65e5064b3ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb9d5c7a02f0af346c8500be0ad43e4f1cd61e107f0cad30fffef65e5064b3ac", kill_on_drop: false }`
[INFO] [stdout] cb9d5c7a02f0af346c8500be0ad43e4f1cd61e107f0cad30fffef65e5064b3ac