[INFO] crate strason 0.4.0 is already in cache
[INFO] extracting crate strason 0.4.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/strason/0.4.0
[INFO] extracting crate strason 0.4.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/strason/0.4.0
[INFO] validating manifest of strason-0.4.0 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 strason-0.4.0 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 strason-0.4.0
[INFO] finished frobbing strason-0.4.0
[INFO] frobbed toml for strason-0.4.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/strason/0.4.0/Cargo.toml
[INFO] started frobbing strason-0.4.0
[INFO] finished frobbing strason-0.4.0
[INFO] frobbed toml for strason-0.4.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/strason/0.4.0/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 strason-0.4.0 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/strason/0.4.0:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] f37e0d9a89d137c87f8e0557d763a437ffff18bcfa6342c8d5ac8533b4ef3709
[INFO] running `"docker" "start" "-a" "f37e0d9a89d137c87f8e0557d763a437ffff18bcfa6342c8d5ac8533b4ef3709"`
[INFO] [stderr]    Compiling strason v0.4.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser.rs:99:32
[INFO] [stderr]    |
[INFO] [stderr] 99 |     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: `...` range patterns are deprecated
[INFO] [stderr]    --> src/parser.rs:245:22
[INFO] [stderr]     |
[INFO] [stderr] 245 |                 b'0' ... b'9' => {
[INFO] [stderr]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/parser.rs:410:25
[INFO] [stderr]     |
[INFO] [stderr] 410 |             b'-' | b'0' ... b'9' => {
[INFO] [stderr]     |                         ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/serializer.rs:33:19
[INFO] [stderr]    |
[INFO] [stderr] 33 |             '\x20'...'\x7e' => { try!(w.write(&[ch as u8])); }
[INFO] [stderr]    |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:63:32
[INFO] [stderr]    |
[INFO] [stderr] 63 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.61s
[INFO] running `"docker" "inspect" "f37e0d9a89d137c87f8e0557d763a437ffff18bcfa6342c8d5ac8533b4ef3709"`
[INFO] running `"docker" "rm" "-f" "f37e0d9a89d137c87f8e0557d763a437ffff18bcfa6342c8d5ac8533b4ef3709"`
[INFO] [stdout] f37e0d9a89d137c87f8e0557d763a437ffff18bcfa6342c8d5ac8533b4ef3709
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/strason/0.4.0:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 01bf6875849b86e0a32fa26d8f4cffe85cfd7a286dd6494a6de9af593a39b2c1
[INFO] running `"docker" "start" "-a" "01bf6875849b86e0a32fa26d8f4cffe85cfd7a286dd6494a6de9af593a39b2c1"`
[INFO] [stderr]    Compiling strason v0.4.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser.rs:99:32
[INFO] [stderr]    |
[INFO] [stderr] 99 |     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: `...` range patterns are deprecated
[INFO] [stderr]    --> src/parser.rs:245:22
[INFO] [stderr]     |
[INFO] [stderr] 245 |                 b'0' ... b'9' => {
[INFO] [stderr]     |                      ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/parser.rs:410:25
[INFO] [stderr]     |
[INFO] [stderr] 410 |             b'-' | b'0' ... b'9' => {
[INFO] [stderr]     |                         ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/serializer.rs:33:19
[INFO] [stderr]    |
[INFO] [stderr] 33 |             '\x20'...'\x7e' => { try!(w.write(&[ch as u8])); }
[INFO] [stderr]    |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:63:32
[INFO] [stderr]    |
[INFO] [stderr] 63 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.76s
[INFO] running `"docker" "inspect" "01bf6875849b86e0a32fa26d8f4cffe85cfd7a286dd6494a6de9af593a39b2c1"`
[INFO] running `"docker" "rm" "-f" "01bf6875849b86e0a32fa26d8f4cffe85cfd7a286dd6494a6de9af593a39b2c1"`
[INFO] [stdout] 01bf6875849b86e0a32fa26d8f4cffe85cfd7a286dd6494a6de9af593a39b2c1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/strason/0.4.0:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] e8d3ea779a677d7798975158df1842a2416e408c620d72c2f5766dfaa5ed255a
[INFO] running `"docker" "start" "-a" "e8d3ea779a677d7798975158df1842a2416e408c620d72c2f5766dfaa5ed255a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test object::tests::serde_roundtrip ... ok
[INFO] [stdout] test serializer::tests::test_round_trip ... ok
[INFO] [stdout] test serializer::tests::test_round_trip_utf16 ... ok
[INFO] [stdout] test tests::format ... ok
[INFO] [stdout] test tests::from ... ok
[INFO] [stdout] test tests::test_index ... ok
[INFO] [stdout] test tests::test_is ... ok
[INFO] [stderr]      Running /opt/crater/target/debug/deps/strason-a09523c47f774e7f
[INFO] [stderr]    Doc-tests strason
[INFO] [stdout] test parser::tests::test_error ... ok
[INFO] [stdout] test parser::tests::test_primitives ... ok
[INFO] [stdout] test parser::tests::test_utf16 ... ok
[INFO] [stdout] test parser::tests::test_array ... ok
[INFO] [stdout] test object::tests::serde_json_roundtrip ... ok
[INFO] [stdout] test parser::tests::test_object ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 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" "e8d3ea779a677d7798975158df1842a2416e408c620d72c2f5766dfaa5ed255a"`
[INFO] running `"docker" "rm" "-f" "e8d3ea779a677d7798975158df1842a2416e408c620d72c2f5766dfaa5ed255a"`
[INFO] [stdout] e8d3ea779a677d7798975158df1842a2416e408c620d72c2f5766dfaa5ed255a