[INFO] fetching crate bits 0.0.4...
[INFO] testing bits-0.0.4 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate bits 0.0.4 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate bits 0.0.4 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", 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-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 543b7f5ff3be045d4ed7cb6100b6eb0d4595e36eef2d6d9a90d0d4a69dd8c975
[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" "543b7f5ff3be045d4ed7cb6100b6eb0d4595e36eef2d6d9a90d0d4a69dd8c975", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "543b7f5ff3be045d4ed7cb6100b6eb0d4595e36eef2d6d9a90d0d4a69dd8c975", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "543b7f5ff3be045d4ed7cb6100b6eb0d4595e36eef2d6d9a90d0d4a69dd8c975", kill_on_drop: false }`
[INFO] [stdout] 543b7f5ff3be045d4ed7cb6100b6eb0d4595e36eef2d6d9a90d0d4a69dd8c975
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--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] 9cd849f530b87c11fb4f5858e194e559cd992f2f4f1d947572a28c873f496370
[INFO] running `Command { std: "docker" "start" "-a" "9cd849f530b87c11fb4f5858e194e559cd992f2f4f1d947572a28c873f496370", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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] 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] help: consider importing this trait
[INFO] [stdout]   |
[INFO] [stdout] 1 | use generic::ops::range::fmt::num::Int;
[INFO] [stdout]   |
[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] help: consider importing this trait
[INFO] [stdout]     |
[INFO] [stdout] 1   | use generic::ops::range::fmt::num::Int;
[INFO] [stdout]     |
[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`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "9cd849f530b87c11fb4f5858e194e559cd992f2f4f1d947572a28c873f496370", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cd849f530b87c11fb4f5858e194e559cd992f2f4f1d947572a28c873f496370", kill_on_drop: false }`
[INFO] [stdout] 9cd849f530b87c11fb4f5858e194e559cd992f2f4f1d947572a28c873f496370