[INFO] fetching crate bitalloc 0.0.1-proto...
[INFO] checking bitalloc-0.0.1-proto against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-3
[INFO] extracting crate bitalloc 0.0.1-proto into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate bitalloc 0.0.1-proto on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bitalloc 0.0.1-proto
[INFO] finished tweaking crates.io crate bitalloc 0.0.1-proto
[INFO] tweaked toml for crates.io crate bitalloc 0.0.1-proto written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 10 packages
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ilog2 v0.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac075b98ac91f24906c52ce08170fc72785bc3c070a9967ccfefc1729db792ac
[INFO] running `Command { std: "docker" "start" "-a" "ac075b98ac91f24906c52ce08170fc72785bc3c070a9967ccfefc1729db792ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac075b98ac91f24906c52ce08170fc72785bc3c070a9967ccfefc1729db792ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac075b98ac91f24906c52ce08170fc72785bc3c070a9967ccfefc1729db792ac", kill_on_drop: false }`
[INFO] [stdout] ac075b98ac91f24906c52ce08170fc72785bc3c070a9967ccfefc1729db792ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 32231223544cb028b036af65ee7d9e56bce831c73c9fbc96574bf72e411ef887
[INFO] running `Command { std: "docker" "start" "-a" "32231223544cb028b036af65ee7d9e56bce831c73c9fbc96574bf72e411ef887", kill_on_drop: false }`
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking num-complex v0.4.5
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]     Checking num v0.4.1
[INFO] [stderr]     Checking ilog2 v0.2.2
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/ilog2-0.2.2/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-6f17d22bba15001f/num-traits-0.2.18/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]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/ilog2-0.2.2/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   |         (PrimInt::trailing_ones(x) as i8)
[INFO] [stdout]     |          ~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] help: disambiguate the method for candidate #2
[INFO] [stdout]     |
[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]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/ilog2-0.2.2/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-6f17d22bba15001f/num-traits-0.2.18/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]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/ilog2-0.2.2/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 - (PrimInt::leading_ones(x) as i8))
[INFO] [stdout]    |                       ~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] help: disambiguate the method for candidate #2
[INFO] [stdout]    |
[INFO] [stdout] 10 |         (bits -1i8 - (future::Future::leading_ones(x) as i8))
[INFO] [stdout]    |                       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[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 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "32231223544cb028b036af65ee7d9e56bce831c73c9fbc96574bf72e411ef887", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32231223544cb028b036af65ee7d9e56bce831c73c9fbc96574bf72e411ef887", kill_on_drop: false }`
[INFO] [stdout] 32231223544cb028b036af65ee7d9e56bce831c73c9fbc96574bf72e411ef887