[INFO] fetching crate scaly 0.0.37...
[INFO] checking scaly-0.0.37 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] extracting crate scaly 0.0.37 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate scaly 0.0.37 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate scaly 0.0.37
[INFO] finished tweaking crates.io crate scaly 0.0.37
[INFO] tweaked toml for crates.io crate scaly 0.0.37 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 278d5d5dde2d343297009a5ef3fb0a28382232208b03ea31d58fafc2467c5e1f
[INFO] running `"docker" "start" "-a" "278d5d5dde2d343297009a5ef3fb0a28382232208b03ea31d58fafc2467c5e1f"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking scaly v0.0.37 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/io/console.rs:22:57
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn open_standard_output(_rp: *mut Page) -> *mut Stream {
[INFO] [stderr]    |                                                         ^^^^^^ help: use `dyn`: `dyn Stream`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/io/stream.rs:13:22
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub stream: *mut Stream
[INFO] [stderr]    |                      ^^^^^^ help: use `dyn`: `dyn Stream`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/io/file.rs:13:81
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub fn open_read(_pr: &Region, _rp: *mut Page, path: String) -> Result<*mut Stream, IoError> {
[INFO] [stderr]    |                                                                                 ^^^^^^ help: use `dyn`: `dyn Stream`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/io/file.rs:33:82
[INFO] [stderr]    |
[INFO] [stderr] 33 |     pub fn open_write(_pr: &Region, _rp: *mut Page, path: String) -> Result<*mut Stream, IoError> {
[INFO] [stderr]    |                                                                                  ^^^^^^ help: use `dyn`: `dyn Stream`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/io/console.rs:22:57
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn open_standard_output(_rp: *mut Page) -> *mut Stream {
[INFO] [stderr]    |                                                         ^^^^^^ help: use `dyn`: `dyn Stream`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/io/stream.rs:13:22
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub stream: *mut Stream
[INFO] [stderr]    |                      ^^^^^^ help: use `dyn`: `dyn Stream`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/io/file.rs:13:81
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub fn open_read(_pr: &Region, _rp: *mut Page, path: String) -> Result<*mut Stream, IoError> {
[INFO] [stderr]    |                                                                                 ^^^^^^ help: use `dyn`: `dyn Stream`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/io/file.rs:33:82
[INFO] [stderr]    |
[INFO] [stderr] 33 |     pub fn open_write(_pr: &Region, _rp: *mut Page, path: String) -> Result<*mut Stream, IoError> {
[INFO] [stderr]    |                                                                                  ^^^^^^ help: use `dyn`: `dyn Stream`
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `usize` is invalid
[INFO] [stderr]   --> src/containers/hashset.rs:95:25
[INFO] [stderr]    |
[INFO] [stderr] 95 |             let limit = (candidate as f64).sqrt() as usize;
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `usize` is invalid
[INFO] [stderr]   --> src/containers/hashset.rs:95:25
[INFO] [stderr]    |
[INFO] [stderr] 95 |             let limit = (candidate as f64).sqrt() as usize;
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error; 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0606`.
[INFO] [stderr] error: could not compile `scaly`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to previous error; 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0606`.
[INFO] [stderr] error: could not compile `scaly`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "278d5d5dde2d343297009a5ef3fb0a28382232208b03ea31d58fafc2467c5e1f"`
[INFO] running `"docker" "rm" "-f" "278d5d5dde2d343297009a5ef3fb0a28382232208b03ea31d58fafc2467c5e1f"`
[INFO] [stdout] 278d5d5dde2d343297009a5ef3fb0a28382232208b03ea31d58fafc2467c5e1f