[INFO] crate snap 0.2.5 is already in cache
[INFO] extracting crate snap 0.2.5 into work/ex/beta-1.37-6/sources/1.36.0/reg/snap/0.2.5
[INFO] extracting crate snap 0.2.5 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/snap/0.2.5
[INFO] validating manifest of snap-0.2.5 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of snap-0.2.5 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing snap-0.2.5
[INFO] finished frobbing snap-0.2.5
[INFO] frobbed toml for snap-0.2.5 written to work/ex/beta-1.37-6/sources/1.36.0/reg/snap/0.2.5/Cargo.toml
[INFO] started frobbing snap-0.2.5
[INFO] finished frobbing snap-0.2.5
[INFO] frobbed toml for snap-0.2.5 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/snap/0.2.5/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing snap-0.2.5 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/snap/0.2.5:/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 450f93b51fac241bdd91eb7afa572bfb8b99be4d6715ba229bca5e5124476c99
[INFO] running `"docker" "start" "-a" "450f93b51fac241bdd91eb7afa572bfb8b99be4d6715ba229bca5e5124476c99"`
[INFO] [stderr]    Compiling snap v0.2.5 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:51:32
[INFO] [stderr]    |
[INFO] [stderr] 51 |     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: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/error.rs:290:32
[INFO] [stderr]     |
[INFO] [stderr] 290 |     fn cause(&self) -> Option<&error::Error> {
[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:52:18
[INFO] [stderr]    |
[INFO] [stderr] 52 |         self.err.cause()
[INFO] [stderr]    |                  ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `"docker" "inspect" "450f93b51fac241bdd91eb7afa572bfb8b99be4d6715ba229bca5e5124476c99"`
[INFO] running `"docker" "rm" "-f" "450f93b51fac241bdd91eb7afa572bfb8b99be4d6715ba229bca5e5124476c99"`
[INFO] [stdout] 450f93b51fac241bdd91eb7afa572bfb8b99be4d6715ba229bca5e5124476c99
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/snap/0.2.5:/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 42b057e836640ad2a9fcc88ec26bd9c59a22b721450d93e5286fb04fdbc66c5e
[INFO] running `"docker" "start" "-a" "42b057e836640ad2a9fcc88ec26bd9c59a22b721450d93e5286fb04fdbc66c5e"`
[INFO] [stderr]    Compiling rand_core v0.2.2
[INFO] [stderr]    Compiling quickcheck v0.7.2
[INFO] [stderr]    Compiling snap v0.2.5 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `Write` is imported redundantly
[INFO] [stderr]   --> examples/compress-escaped.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 9  | use std::io::{self, Write};
[INFO] [stderr]    |                     ----- the item `Write` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 32 |     use std::io::Write;
[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:51:32
[INFO] [stderr]    |
[INFO] [stderr] 51 |     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: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/error.rs:290:32
[INFO] [stderr]     |
[INFO] [stderr] 290 |     fn cause(&self) -> Option<&error::Error> {
[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:52:18
[INFO] [stderr]    |
[INFO] [stderr] 52 |         self.err.cause()
[INFO] [stderr]    |                  ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.61s
[INFO] running `"docker" "inspect" "42b057e836640ad2a9fcc88ec26bd9c59a22b721450d93e5286fb04fdbc66c5e"`
[INFO] running `"docker" "rm" "-f" "42b057e836640ad2a9fcc88ec26bd9c59a22b721450d93e5286fb04fdbc66c5e"`
[INFO] [stdout] 42b057e836640ad2a9fcc88ec26bd9c59a22b721450d93e5286fb04fdbc66c5e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/snap/0.2.5:/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 0110ca1a336fcb0d155607b52e7d7c2206e1664aed2dd2f65f59275fc17579f9
[INFO] running `"docker" "start" "-a" "0110ca1a336fcb0d155607b52e7d7c2206e1664aed2dd2f65f59275fc17579f9"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/snap-0d26a6695635d174
[INFO] [stdout] 
[INFO] [stdout] running 62 tests
[INFO] [stdout] test tests::data_golden::roundtrip_raw ... ok
[INFO] [stdout] test tests::data_golden_rev ... ok
[INFO] [stdout] test tests::data_golden::roundtrip_frame ... ok
[INFO] [stdout] test tests::data_gaviota::roundtrip_raw ... ok
[INFO] [stdout] test tests::data_html::roundtrip_raw ... ok
[INFO] [stdout] test tests::data_jpg::roundtrip_raw ... ok
[INFO] [stdout] test tests::data_jpg::roundtrip_frame ... ok
[INFO] [stdout] test tests::data_pb::roundtrip_raw ... ok
[INFO] [stdout] test tests::data_html4::roundtrip_frame ... ok
[INFO] [stdout] test tests::data_pb::roundtrip_frame ... ok
[INFO] [stdout] test tests::data_pdf::roundtrip_raw ... ok
[INFO] [stdout] test tests::data_txt1::roundtrip_raw ... ok
[INFO] [stdout] test tests::data_html4::roundtrip_raw ... ok
[INFO] [stdout] test tests::data_html::roundtrip_frame ... ok
[INFO] [stdout] test tests::data_txt1::roundtrip_frame ... ok
[INFO] [stdout] test tests::data_txt2::roundtrip_raw ... ok
[INFO] [stdout] test tests::data_gaviota::roundtrip_frame ... ok
[INFO] [stdout] test tests::data_pdf::roundtrip_frame ... ok
[INFO] [stdout] test tests::data_txt2::roundtrip_frame ... ok
[INFO] [stdout] test tests::decompress_copy_close_to_end_1 ... ok
[INFO] [stdout] test tests::data_txt3::roundtrip_raw ... ok
[INFO] [stdout] test tests::empty::roundtrip_raw ... ok
[INFO] [stdout] test tests::empty::roundtrip_frame ... ok
[INFO] [stdout] test tests::data_txt3::roundtrip_frame ... ok
[INFO] [stdout] test tests::err_copy2a ... ok
[INFO] [stdout] test tests::err_copy1 ... ok
[INFO] [stdout] test tests::decompress_copy_close_to_end_2 ... ok
[INFO] [stdout] test tests::err_copy2b ... ok
[INFO] [stdout] test tests::err_copy3a ... ok
[INFO] [stdout] test tests::err_copy3c ... ok
[INFO] [stdout] test tests::err_copy3d ... ok
[INFO] [stdout] test tests::err_copy_len_big ... ok
[INFO] [stdout] test tests::err_copy3b ... ok
[INFO] [stdout] test tests::err_copy_offset_zero ... ok
[INFO] [stdout] test tests::err_copy_offset_big ... ok
[INFO] [stdout] test tests::err_empty ... ok
[INFO] [stdout] test tests::err_lit_big2a ... ok
[INFO] [stdout] test tests::err_header_mismatch ... ok
[INFO] [stdout] test tests::err_lit_big1 ... ok
[INFO] [stdout] test tests::err_varint1 ... ok
[INFO] [stdout] test tests::err_lit ... ok
[INFO] [stdout] test tests::err_varint3 ... ok
[INFO] [stdout] test tests::err_lit_big2b ... ok
[INFO] [stdout] test tests::err_varint2 ... ok
[INFO] [stdout] test tests::one_zero::roundtrip_raw ... ok
[INFO] [stdout] test tests::data_txt4::roundtrip_frame ... ok
[INFO] [stdout] test tests::random1::roundtrip_raw ... ok
[INFO] [stdout] test tests::data_urls::roundtrip_frame ... ok
[INFO] [stdout] test tests::one_zero::roundtrip_frame ... ok
[INFO] [stdout] test tests::random3::roundtrip_frame ... ok
[INFO] [stdout] test tests::random1::roundtrip_frame ... ok
[INFO] [stdout] test tests::data_txt4::roundtrip_raw ... ok
[INFO] [stdout] test tests::random4::roundtrip_raw ... ok
[INFO] [stdout] test tests::random4::roundtrip_frame ... ok
[INFO] [stdout] test tests::small_copy ... ok
[INFO] [stdout] test tests::random2::roundtrip_raw ... ok
[INFO] [stdout] test tests::random2::roundtrip_frame ... ok
[INFO] [stdout] test tests::random3::roundtrip_raw ... ok
[INFO] [stdout] test tests::data_urls::roundtrip_raw ... ok
[INFO] [stdout] test tests::small_regular ... ok
[INFO] [stdout] test tests::qc_roundtrip ... ok
[INFO] [stdout] test tests::qc_roundtrip_stream ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 62 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests snap
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs -  (line 15) ... ignored
[INFO] [stdout] test src/lib.rs -  (line 47) ... ignored
[INFO] [stdout] test src/lib.rs -  (line 68) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 3 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "0110ca1a336fcb0d155607b52e7d7c2206e1664aed2dd2f65f59275fc17579f9"`
[INFO] running `"docker" "rm" "-f" "0110ca1a336fcb0d155607b52e7d7c2206e1664aed2dd2f65f59275fc17579f9"`
[INFO] [stdout] 0110ca1a336fcb0d155607b52e7d7c2206e1664aed2dd2f65f59275fc17579f9