[INFO] fetching crate scroll 0.9.2...
[INFO] extracting crate scroll 0.9.2 into work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/scroll/0.9.2
[INFO] extracting crate scroll 0.9.2 into work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/scroll/0.9.2
[INFO] validating manifest of scroll-0.9.2 on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of scroll-0.9.2 on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing scroll-0.9.2
[INFO] finished frobbing scroll-0.9.2
[INFO] frobbed toml for scroll-0.9.2 written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/scroll/0.9.2/Cargo.toml
[INFO] started frobbing scroll-0.9.2
[INFO] finished frobbing scroll-0.9.2
[INFO] frobbed toml for scroll-0.9.2 written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/scroll/0.9.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] building scroll-0.9.2 against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/scroll/0.9.2:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"`
[INFO] [stdout] 406bfe327f6b3408c32c78c04769f50f154dd6e897ecb8024cc658d793f658f9
[INFO] running `"docker" "start" "-a" "406bfe327f6b3408c32c78c04769f50f154dd6e897ecb8024cc658d793f658f9"`
[INFO] [stderr]    Compiling scroll v0.9.2 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:36:32
[INFO] [stderr]    |
[INFO] [stderr] 36 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Pread` is imported redundantly
[INFO] [stderr]   --> src/leb128.rs:59:13
[INFO] [stderr]    |
[INFO] [stderr] 4  | use Pread;
[INFO] [stderr]    |     ----- the item `Pread` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 59 |         use Pread;
[INFO] [stderr]    |             ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Pread` is imported redundantly
[INFO] [stderr]   --> src/leb128.rs:99:13
[INFO] [stderr]    |
[INFO] [stderr] 4  | use Pread;
[INFO] [stderr]    |     ----- the item `Pread` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 99 |         use pread::Pread;
[INFO] [stderr]    |             ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/error.rs:42:39
[INFO] [stderr]    |
[INFO] [stderr] 42 |             Error::IO(ref io) => { io.cause() }
[INFO] [stderr]    |                                       ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.72s
[INFO] running `"docker" "inspect" "406bfe327f6b3408c32c78c04769f50f154dd6e897ecb8024cc658d793f658f9"`
[INFO] running `"docker" "rm" "-f" "406bfe327f6b3408c32c78c04769f50f154dd6e897ecb8024cc658d793f658f9"`
[INFO] [stdout] 406bfe327f6b3408c32c78c04769f50f154dd6e897ecb8024cc658d793f658f9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/scroll/0.9.2:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 6a20437339bdb774b555fc10800918123d71907e2a3dc672f52889467cc295fa
[INFO] running `"docker" "start" "-a" "6a20437339bdb774b555fc10800918123d71907e2a3dc672f52889467cc295fa"`
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling scroll v0.9.2 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `Cread` is imported redundantly
[INFO] [stderr]    --> tests/api.rs:221:13
[INFO] [stderr]     |
[INFO] [stderr] 12  | use scroll::{ctx, Result, Cread, Pread};
[INFO] [stderr]     |                           ----- the item `Cread` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 221 |         use scroll::Cread;
[INFO] [stderr]     |             ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:36:32
[INFO] [stderr]    |
[INFO] [stderr] 36 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Pread` is imported redundantly
[INFO] [stderr]   --> src/leb128.rs:59:13
[INFO] [stderr]    |
[INFO] [stderr] 4  | use Pread;
[INFO] [stderr]    |     ----- the item `Pread` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 59 |         use Pread;
[INFO] [stderr]    |             ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Pread` is imported redundantly
[INFO] [stderr]   --> src/leb128.rs:99:13
[INFO] [stderr]    |
[INFO] [stderr] 4  | use Pread;
[INFO] [stderr]    |     ----- the item `Pread` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 99 |         use pread::Pread;
[INFO] [stderr]    |             ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:336:36
[INFO] [stderr]     |
[INFO] [stderr] 336 |         fn cause(&self) -> Option<&error::Error> { None}
[INFO] [stderr]     |                                    ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/error.rs:42:39
[INFO] [stderr]    |
[INFO] [stderr] 42 |             Error::IO(ref io) => { io.cause() }
[INFO] [stderr]    |                                       ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.42s
[INFO] running `"docker" "inspect" "6a20437339bdb774b555fc10800918123d71907e2a3dc672f52889467cc295fa"`
[INFO] running `"docker" "rm" "-f" "6a20437339bdb774b555fc10800918123d71907e2a3dc672f52889467cc295fa"`
[INFO] [stdout] 6a20437339bdb774b555fc10800918123d71907e2a3dc672f52889467cc295fa