[INFO] crate stream-dct 0.1.0 is already in cache
[INFO] extracting crate stream-dct 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/stream-dct/0.1.0
[INFO] extracting crate stream-dct 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/stream-dct/0.1.0
[INFO] validating manifest of stream-dct-0.1.0 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of stream-dct-0.1.0 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing stream-dct-0.1.0
[INFO] finished frobbing stream-dct-0.1.0
[INFO] frobbed toml for stream-dct-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/stream-dct/0.1.0/Cargo.toml
[INFO] started frobbing stream-dct-0.1.0
[INFO] finished frobbing stream-dct-0.1.0
[INFO] frobbed toml for stream-dct-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/stream-dct/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing stream-dct-0.1.0 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/stream-dct/0.1.0:/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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 3e96ace07d1a7ec5c5ee907b5f96682500010b221ae6f1e75a0a510fce3ab601
[INFO] running `"docker" "start" "-a" "3e96ace07d1a7ec5c5ee907b5f96682500010b221ae6f1e75a0a510fce3ab601"`
[INFO] [stderr]    Compiling stream-dct v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `PI` is imported redundantly
[INFO] [stderr]    --> src/lib.rs:124:9
[INFO] [stderr]     |
[INFO] [stderr] 11  | use std::f64::consts::{PI, SQRT_2};
[INFO] [stderr]     |                        -- the item `PI` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 124 |     use std::f64::consts::PI;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::f64::<impl f64>::abs_sub': you probably meant `(self - other).abs()`: this operation is `(self - other).max(0.0)` except that `abs_sub` also propagates NaNs (also known as `fdim` in C). If you truly need the positive difference, consider using that expression or the C function `fdim`, depending on how you wish to handle NaN (please consider filing an issue describing your use-case too).
[INFO] [stderr]    --> src/lib.rs:133:20
[INFO] [stderr]     |
[INFO] [stderr] 133 |             approx.abs_sub(x.cos()) <= ERROR, 
[INFO] [stderr]     |                    ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `"docker" "inspect" "3e96ace07d1a7ec5c5ee907b5f96682500010b221ae6f1e75a0a510fce3ab601"`
[INFO] running `"docker" "rm" "-f" "3e96ace07d1a7ec5c5ee907b5f96682500010b221ae6f1e75a0a510fce3ab601"`
[INFO] [stdout] 3e96ace07d1a7ec5c5ee907b5f96682500010b221ae6f1e75a0a510fce3ab601
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/stream-dct/0.1.0:/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=warn" "-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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] f350a58cfe752920716e2ff34735ffb41548041c395c3bba04e568eca5ef320f
[INFO] running `"docker" "start" "-a" "f350a58cfe752920716e2ff34735ffb41548041c395c3bba04e568eca5ef320f"`
[INFO] [stderr]    Compiling stream-dct v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `PI` is imported redundantly
[INFO] [stderr]    --> src/lib.rs:124:9
[INFO] [stderr]     |
[INFO] [stderr] 11  | use std::f64::consts::{PI, SQRT_2};
[INFO] [stderr]     |                        -- the item `PI` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 124 |     use std::f64::consts::PI;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::f64::<impl f64>::abs_sub': you probably meant `(self - other).abs()`: this operation is `(self - other).max(0.0)` except that `abs_sub` also propagates NaNs (also known as `fdim` in C). If you truly need the positive difference, consider using that expression or the C function `fdim`, depending on how you wish to handle NaN (please consider filing an issue describing your use-case too).
[INFO] [stderr]    --> src/lib.rs:133:20
[INFO] [stderr]     |
[INFO] [stderr] 133 |             approx.abs_sub(x.cos()) <= ERROR, 
[INFO] [stderr]     |                    ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `"docker" "inspect" "f350a58cfe752920716e2ff34735ffb41548041c395c3bba04e568eca5ef320f"`
[INFO] running `"docker" "rm" "-f" "f350a58cfe752920716e2ff34735ffb41548041c395c3bba04e568eca5ef320f"`
[INFO] [stdout] f350a58cfe752920716e2ff34735ffb41548041c395c3bba04e568eca5ef320f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/stream-dct/0.1.0:/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=warn" "-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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 31b0e6a95037af68e6b8432e6b8f746d00ae1b618988f8784f9e8799083be545
[INFO] running `"docker" "start" "-a" "31b0e6a95037af68e6b8432e6b8f746d00ae1b618988f8784f9e8799083be545"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/stream_dct-63b499787eae2278
[INFO] [stderr]    Doc-tests stream-dct
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "31b0e6a95037af68e6b8432e6b8f746d00ae1b618988f8784f9e8799083be545"`
[INFO] running `"docker" "rm" "-f" "31b0e6a95037af68e6b8432e6b8f746d00ae1b618988f8784f9e8799083be545"`
[INFO] [stdout] 31b0e6a95037af68e6b8432e6b8f746d00ae1b618988f8784f9e8799083be545