[INFO] fetching crate bits 0.0.4...
[INFO] checking bits-0.0.4 against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] extracting crate bits 0.0.4 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate bits 0.0.4 on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bits 0.0.4
[INFO] finished tweaking crates.io crate bits 0.0.4
[INFO] tweaked toml for crates.io crate bits 0.0.4 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "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] a387fa7d6609dd533ae9510e49559f55bc81dfc81a2a933aed7964872f966029
[INFO] running `Command { std: "docker" "start" "-a" "a387fa7d6609dd533ae9510e49559f55bc81dfc81a2a933aed7964872f966029", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a387fa7d6609dd533ae9510e49559f55bc81dfc81a2a933aed7964872f966029", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a387fa7d6609dd533ae9510e49559f55bc81dfc81a2a933aed7964872f966029", kill_on_drop: false }`
[INFO] [stdout] a387fa7d6609dd533ae9510e49559f55bc81dfc81a2a933aed7964872f966029
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e6c01751e2af2890738b7480e547e756d2ecc863ee174b2dbf0bd7f15b3a4f5
[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" "7e6c01751e2af2890738b7480e547e756d2ecc863ee174b2dbf0bd7f15b3a4f5", kill_on_drop: false }`
[INFO] [stderr]     Checking bits v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lint `unsigned_negation` has been removed: replaced by negate_unsigned feature gate
[INFO] [stdout]   --> src/generic.rs:95:13
[INFO] [stdout]    |
[INFO] [stdout] 95 |     #[allow(unsigned_negation)]
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `unsigned_negation` has been removed: replaced by negate_unsigned feature gate
[INFO] [stdout]   --> src/x86.rs:38:17
[INFO] [stdout]    |
[INFO] [stdout] 38 |         #[allow(unsigned_negation)]
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `unsigned_negation` has been removed: replaced by negate_unsigned feature gate
[INFO] [stdout]   --> src/generic.rs:95:13
[INFO] [stdout]    |
[INFO] [stdout] 95 |     #[allow(unsigned_negation)]
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `unsigned_negation` has been removed: replaced by negate_unsigned feature gate
[INFO] [stdout]   --> src/x86.rs:38:17
[INFO] [stdout]    |
[INFO] [stdout] 38 |         #[allow(unsigned_negation)]
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Int` in module `num`
[INFO] [stdout]  --> src/generic.rs:3:24
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait BitOps: num::Int {
[INFO] [stdout]   |                        ^^^ not found in `num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Int` in module `num`
[INFO] [stdout]    --> src/generic.rs:254:14
[INFO] [stdout]     |
[INFO] [stdout] 254 | impl<T: num::Int> BitOps for T {}
[INFO] [stdout]     |              ^^^ not found in `num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0405`.
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Int` in module `num`
[INFO] [stdout]  --> src/generic.rs:3:24
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait BitOps: num::Int {
[INFO] [stdout]   |                        ^^^ not found in `num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Int` in module `num`
[INFO] [stdout]    --> src/generic.rs:254:14
[INFO] [stdout]     |
[INFO] [stdout] 254 | impl<T: num::Int> BitOps for T {}
[INFO] [stdout]     |              ^^^ not found in `num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0405`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bits` due to 3 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "7e6c01751e2af2890738b7480e547e756d2ecc863ee174b2dbf0bd7f15b3a4f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e6c01751e2af2890738b7480e547e756d2ecc863ee174b2dbf0bd7f15b3a4f5", kill_on_drop: false }`
[INFO] [stdout] 7e6c01751e2af2890738b7480e547e756d2ecc863ee174b2dbf0bd7f15b3a4f5