[INFO] crate serde_derive_internals 0.24.1 is already in cache
[INFO] extracting crate serde_derive_internals 0.24.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/serde_derive_internals/0.24.1
[INFO] extracting crate serde_derive_internals 0.24.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/serde_derive_internals/0.24.1
[INFO] validating manifest of serde_derive_internals-0.24.1 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 serde_derive_internals-0.24.1 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 serde_derive_internals-0.24.1
[INFO] finished frobbing serde_derive_internals-0.24.1
[INFO] frobbed toml for serde_derive_internals-0.24.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/serde_derive_internals/0.24.1/Cargo.toml
[INFO] started frobbing serde_derive_internals-0.24.1
[INFO] finished frobbing serde_derive_internals-0.24.1
[INFO] frobbed toml for serde_derive_internals-0.24.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/serde_derive_internals/0.24.1/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 serde_derive_internals-0.24.1 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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/serde_derive_internals/0.24.1:/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] 2024dc1596997709151a2bdf0aed2c4a2e85c4ccabc0cd3a3824d312b1364b74
[INFO] running `"docker" "start" "-a" "2024dc1596997709151a2bdf0aed2c4a2e85c4ccabc0cd3a3824d312b1364b74"`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling serde_derive_internals v0.24.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ast.rs:123:40
[INFO] [stderr]     |
[INFO] [stderr] 123 |     pub fn all_fields(&'a self) -> Box<Iterator<Item = &'a Field<'a>> + 'a> {
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = &'a Field<'a>> + 'a`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]   --> src/attr.rs:94:23
[INFO] [stderr]    |
[INFO] [stderr] 94 |     ident.to_string().trim_left_matches("r#").to_owned()
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.82s
[INFO] running `"docker" "inspect" "2024dc1596997709151a2bdf0aed2c4a2e85c4ccabc0cd3a3824d312b1364b74"`
[INFO] running `"docker" "rm" "-f" "2024dc1596997709151a2bdf0aed2c4a2e85c4ccabc0cd3a3824d312b1364b74"`
[INFO] [stdout] 2024dc1596997709151a2bdf0aed2c4a2e85c4ccabc0cd3a3824d312b1364b74
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/serde_derive_internals/0.24.1:/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] d45152eded6eaa1b629e48c5fa2a82aa43d720142c23149c46b194d070b27556
[INFO] running `"docker" "start" "-a" "d45152eded6eaa1b629e48c5fa2a82aa43d720142c23149c46b194d070b27556"`
[INFO] [stderr]    Compiling serde_derive_internals v0.24.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ast.rs:123:40
[INFO] [stderr]     |
[INFO] [stderr] 123 |     pub fn all_fields(&'a self) -> Box<Iterator<Item = &'a Field<'a>> + 'a> {
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = &'a Field<'a>> + 'a`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]   --> src/attr.rs:94:23
[INFO] [stderr]    |
[INFO] [stderr] 94 |     ident.to_string().trim_left_matches("r#").to_owned()
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.71s
[INFO] running `"docker" "inspect" "d45152eded6eaa1b629e48c5fa2a82aa43d720142c23149c46b194d070b27556"`
[INFO] running `"docker" "rm" "-f" "d45152eded6eaa1b629e48c5fa2a82aa43d720142c23149c46b194d070b27556"`
[INFO] [stdout] d45152eded6eaa1b629e48c5fa2a82aa43d720142c23149c46b194d070b27556
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/serde_derive_internals/0.24.1:/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] 00495f3ade4e6666d4db1783e49945cb4a2ad03fc0aab047d9f5f40a44ea376c
[INFO] running `"docker" "start" "-a" "00495f3ade4e6666d4db1783e49945cb4a2ad03fc0aab047d9f5f40a44ea376c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/serde_derive_internals-17bdc28ae45b1449
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test internals::case::rename_fields ... ok
[INFO] [stdout] test internals::case::rename_variants ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests serde_derive_internals
[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" "00495f3ade4e6666d4db1783e49945cb4a2ad03fc0aab047d9f5f40a44ea376c"`
[INFO] running `"docker" "rm" "-f" "00495f3ade4e6666d4db1783e49945cb4a2ad03fc0aab047d9f5f40a44ea376c"`
[INFO] [stdout] 00495f3ade4e6666d4db1783e49945cb4a2ad03fc0aab047d9f5f40a44ea376c