[INFO] crate nson 0.3.0 is already in cache
[INFO] extracting crate nson 0.3.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/nson/0.3.0
[INFO] extracting crate nson 0.3.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/nson/0.3.0
[INFO] validating manifest of nson-0.3.0 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 nson-0.3.0 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 nson-0.3.0
[INFO] finished frobbing nson-0.3.0
[INFO] frobbed toml for nson-0.3.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/nson/0.3.0/Cargo.toml
[INFO] started frobbing nson-0.3.0
[INFO] finished frobbing nson-0.3.0
[INFO] frobbed toml for nson-0.3.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/nson/0.3.0/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 nson-0.3.0 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-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/nson/0.3.0:/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] 317aed1ee5a8c7ba24d3998bce5760726d83e0fd3cda7433252504e2220caa6f
[INFO] running `"docker" "start" "-a" "317aed1ee5a8c7ba24d3998bce5760726d83e0fd3cda7433252504e2220caa6f"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde_bytes v0.11.2
[INFO] [stderr]    Compiling nson v0.3.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/encode.rs:50:32
[INFO] [stderr]    |
[INFO] [stderr] 50 |     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/decode.rs:93:32
[INFO] [stderr]    |
[INFO] [stderr] 93 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/serde_impl/decode.rs:23:47
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn invalid_type(_unexp: Unexpected, exp: &Expected) -> DecodeError {
[INFO] [stderr]    |                                               ^^^^^^^^ help: use `dyn`: `dyn Expected`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/serde_impl/decode.rs:27:48
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn invalid_value(_unexp: Unexpected, exp: &Expected) -> DecodeError {
[INFO] [stderr]    |                                                ^^^^^^^^ help: use `dyn`: `dyn Expected`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/serde_impl/decode.rs:31:41
[INFO] [stderr]    |
[INFO] [stderr] 31 |     fn invalid_length(len: usize, exp: &Expected) -> DecodeError {
[INFO] [stderr]    |                                         ^^^^^^^^ help: use `dyn`: `dyn Expected`
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/util/hex.rs:77:21
[INFO] [stderr]    |
[INFO] [stderr] 77 |                 b'A'...b'F' => buf |= byte - b'A' + 10,
[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/util/hex.rs:78:21
[INFO] [stderr]    |
[INFO] [stderr] 78 |                 b'a'...b'f' => buf |= byte - b'a' + 10,
[INFO] [stderr]    |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/util/hex.rs:79:21
[INFO] [stderr]    |
[INFO] [stderr] 79 |                 b'0'...b'9' => buf |= byte - b'0',
[INFO] [stderr]    |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/message_id.rs:278:32
[INFO] [stderr]     |
[INFO] [stderr] 278 |     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 4.00s
[INFO] running `"docker" "inspect" "317aed1ee5a8c7ba24d3998bce5760726d83e0fd3cda7433252504e2220caa6f"`
[INFO] running `"docker" "rm" "-f" "317aed1ee5a8c7ba24d3998bce5760726d83e0fd3cda7433252504e2220caa6f"`
[INFO] [stdout] 317aed1ee5a8c7ba24d3998bce5760726d83e0fd3cda7433252504e2220caa6f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/nson/0.3.0:/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] 91683adad371ae0b4b2a6913a3fa86fcfa697b00001f36178575397aac99f1fe
[INFO] running `"docker" "start" "-a" "91683adad371ae0b4b2a6913a3fa86fcfa697b00001f36178575397aac99f1fe"`
[INFO] [stderr]    Compiling nson v0.3.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/encode.rs:50:32
[INFO] [stderr]    |
[INFO] [stderr] 50 |     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/decode.rs:93:32
[INFO] [stderr]    |
[INFO] [stderr] 93 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/serde_impl/decode.rs:23:47
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn invalid_type(_unexp: Unexpected, exp: &Expected) -> DecodeError {
[INFO] [stderr]    |                                               ^^^^^^^^ help: use `dyn`: `dyn Expected`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/serde_impl/decode.rs:27:48
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn invalid_value(_unexp: Unexpected, exp: &Expected) -> DecodeError {
[INFO] [stderr]    |                                                ^^^^^^^^ help: use `dyn`: `dyn Expected`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/serde_impl/decode.rs:31:41
[INFO] [stderr]    |
[INFO] [stderr] 31 |     fn invalid_length(len: usize, exp: &Expected) -> DecodeError {
[INFO] [stderr]    |                                         ^^^^^^^^ help: use `dyn`: `dyn Expected`
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/util/hex.rs:77:21
[INFO] [stderr]    |
[INFO] [stderr] 77 |                 b'A'...b'F' => buf |= byte - b'A' + 10,
[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/util/hex.rs:78:21
[INFO] [stderr]    |
[INFO] [stderr] 78 |                 b'a'...b'f' => buf |= byte - b'a' + 10,
[INFO] [stderr]    |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/util/hex.rs:79:21
[INFO] [stderr]    |
[INFO] [stderr] 79 |                 b'0'...b'9' => buf |= byte - b'0',
[INFO] [stderr]    |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/message_id.rs:278:32
[INFO] [stderr]     |
[INFO] [stderr] 278 |     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 3.49s
[INFO] running `"docker" "inspect" "91683adad371ae0b4b2a6913a3fa86fcfa697b00001f36178575397aac99f1fe"`
[INFO] running `"docker" "rm" "-f" "91683adad371ae0b4b2a6913a3fa86fcfa697b00001f36178575397aac99f1fe"`
[INFO] [stdout] 91683adad371ae0b4b2a6913a3fa86fcfa697b00001f36178575397aac99f1fe
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/nson/0.3.0:/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] ed6ca4e1b3597fb1b33a6627f52cc36fdf855ade9e1a2518d1a8dfde479f773f
[INFO] running `"docker" "start" "-a" "ed6ca4e1b3597fb1b33a6627f52cc36fdf855ade9e1a2518d1a8dfde479f773f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/nson-6c4cd2bd4b8a7de6
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test encode::test::encode ... ok
[INFO] [stdout] test message::test::to_vec ... ok
[INFO] [stdout] test util::hex::test::test_invalid_char ... ok
[INFO] [stdout] test util::hex::test::test_from_hex_whitespace ... ok
[INFO] [stdout] test util::hex::test::test_from_hex_okay_str ... ok
[INFO] [stdout] test util::hex::test::test_from_hex_okay_bytes ... ok
[INFO] [stdout] test util::md5::tests::compute ... ok
[INFO] [stdout] test util::md5::tests::index ... ok
[INFO] [stdout] test util::hex::test::test_invalid_length ... ok
[INFO] [stdout] test util::hex::test::test_to_hex ... ok
[INFO] [stdout] test test::binary ... ok
[INFO] [stdout] test test::serialize_and_deserialize ... ok
[INFO] [stdout] test util::hex::test::test_empty ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests nson
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/message_id.rs - message_id::MessageId::new (line 30) ... FAILED
[INFO] [stdout] test src/macros.rs - msg (line 225) ... ok
[INFO] [stdout] test src/message_id.rs - message_id::MessageId::with_bytes (line 70) ... ok
[INFO] [stdout] test src/message_id.rs - message_id::MessageId::with_string (line 86) ... ok
[INFO] [stdout] test src/macros.rs - nson (line 5) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/message_id.rs - message_id::MessageId::new (line 30) stdout ----
[INFO] [stdout] error[E0599]: no method named `unwrap` found for type `nson::message_id::MessageId` in the current scope
[INFO] [stdout]  --> src/message_id.rs:33:27
[INFO] [stdout]   |
[INFO] [stdout] 6 | let id = MessageId::new().unwrap();
[INFO] [stdout]   |                           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/message_id.rs - message_id::MessageId::new (line 30)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 4 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `"docker" "inspect" "ed6ca4e1b3597fb1b33a6627f52cc36fdf855ade9e1a2518d1a8dfde479f773f"`
[INFO] running `"docker" "rm" "-f" "ed6ca4e1b3597fb1b33a6627f52cc36fdf855ade9e1a2518d1a8dfde479f773f"`
[INFO] [stdout] ed6ca4e1b3597fb1b33a6627f52cc36fdf855ade9e1a2518d1a8dfde479f773f