[INFO] fetching crate veryfast 0.3.1...
[INFO] extracting crate veryfast 0.3.1 into work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/reg/veryfast/0.3.1
[INFO] extracting crate veryfast 0.3.1 into work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/veryfast/0.3.1
[INFO] validating manifest of veryfast-0.3.1 on toolchain master#9f06855064ed06a50c496577b21ca50f92a2e67d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of veryfast-0.3.1 on toolchain try#d3301713b54af69ca9de941a8c6b0d8287dbd6df
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing veryfast-0.3.1
[INFO] finished frobbing veryfast-0.3.1
[INFO] frobbed toml for veryfast-0.3.1 written to work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/reg/veryfast/0.3.1/Cargo.toml
[INFO] started frobbing veryfast-0.3.1
[INFO] finished frobbing veryfast-0.3.1
[INFO] frobbed toml for veryfast-0.3.1 written to work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/veryfast/0.3.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking veryfast-0.3.1 against try#d3301713b54af69ca9de941a8c6b0d8287dbd6df for pr-61874
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61874/worker-7/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/veryfast/0.3.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 92c2a8fdb528f5f21c7c47a5810834cb9a4334dc2e42023809ced3295dfca6a9
[INFO] running `"docker" "start" "-a" "92c2a8fdb528f5f21c7c47a5810834cb9a4334dc2e42023809ced3295dfca6a9"`
[INFO] [stderr]     Checking veryfast v0.3.1 (/opt/crater/workdir)
[INFO] [stderr] error[E0432]: unresolved import `std::heap`
[INFO] [stderr]   --> src/pool.rs:73:10
[INFO] [stderr]    |
[INFO] [stderr] 73 | use std::heap::{Heap, Layout, Alloc};
[INFO] [stderr]    |          ^^^^ could not find `heap` in `std`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::heap`
[INFO] [stderr]   --> src/pool.rs:73:10
[INFO] [stderr]    |
[INFO] [stderr] 73 | use std::heap::{Heap, Layout, Alloc};
[INFO] [stderr]    |          ^^^^ could not find `heap` in `std`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/pool.rs:194:13
[INFO] [stderr]     |
[INFO] [stderr] 182 |     fn expand(&self) -> *mut T {
[INFO] [stderr]     |                         ------ expected `*mut T` because of return type
[INFO] [stderr] ...
[INFO] [stderr] 194 |             extra
[INFO] [stderr]     |             ^^^^^ types differ in mutability
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `*mut T`
[INFO] [stderr]                found type `*const T`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0308, E0432.
[INFO] [stderr] For more information about an error, try `rustc --explain E0308`.
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/pool.rs:194:13
[INFO] [stderr]     |
[INFO] [stderr] 182 |     fn expand(&self) -> *mut T {
[INFO] [stderr]     |                         ------ expected `*mut T` because of return type
[INFO] [stderr] ...
[INFO] [stderr] 194 |             extra
[INFO] [stderr]     |             ^^^^^ types differ in mutability
[INFO] [stderr]     |
[INFO] [stderr] error: Could not compile `veryfast`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr]     = note: expected type `*mut T`
[INFO] [stderr]                found type `*const T`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0308, E0432.
[INFO] [stderr] For more information about an error, try `rustc --explain E0308`.
[INFO] [stderr] error: Could not compile `veryfast`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "92c2a8fdb528f5f21c7c47a5810834cb9a4334dc2e42023809ced3295dfca6a9"`
[INFO] running `"docker" "rm" "-f" "92c2a8fdb528f5f21c7c47a5810834cb9a4334dc2e42023809ced3295dfca6a9"`
[INFO] [stdout] 92c2a8fdb528f5f21c7c47a5810834cb9a4334dc2e42023809ced3295dfca6a9