[INFO] crate serde_osc 0.4.2 is already in cache
[INFO] extracting crate serde_osc 0.4.2 into work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/serde_osc/0.4.2
[INFO] extracting crate serde_osc 0.4.2 into work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/serde_osc/0.4.2
[INFO] validating manifest of serde_osc-0.4.2 on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of serde_osc-0.4.2 on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing serde_osc-0.4.2
[INFO] finished frobbing serde_osc-0.4.2
[INFO] frobbed toml for serde_osc-0.4.2 written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/serde_osc/0.4.2/Cargo.toml
[INFO] started frobbing serde_osc-0.4.2
[INFO] finished frobbing serde_osc-0.4.2
[INFO] frobbed toml for serde_osc-0.4.2 written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/serde_osc/0.4.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing serde_osc-0.4.2 against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/serde_osc/0.4.2:/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=forbid" "-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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"`
[INFO] [stdout] e66ad70ea27d7f28145ef1b9c64a2ae9be07599a4110aa904442fd290606a1e5
[INFO] running `"docker" "start" "-a" "e66ad70ea27d7f28145ef1b9c64a2ae9be07599a4110aa904442fd290606a1e5"`
[INFO] [stderr]    Compiling serde_osc v0.4.2 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/de/bundle_visitor.rs:85:35
[INFO] [stderr]    |
[INFO] [stderr] 85 |             BundleField::Elements(mut read) =>
[INFO] [stderr]    |                                   ----^^^^
[INFO] [stderr]    |                                   |
[INFO] [stderr]    |                                   help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/ser/timetag_ser.rs:46:18
[INFO] [stderr]    |
[INFO] [stderr] 46 |             Some(mut part) => {
[INFO] [stderr]    |                  ----^^^^
[INFO] [stderr]    |                  |
[INFO] [stderr]    |                  help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.31s
[INFO] running `"docker" "inspect" "e66ad70ea27d7f28145ef1b9c64a2ae9be07599a4110aa904442fd290606a1e5"`
[INFO] running `"docker" "rm" "-f" "e66ad70ea27d7f28145ef1b9c64a2ae9be07599a4110aa904442fd290606a1e5"`
[INFO] [stdout] e66ad70ea27d7f28145ef1b9c64a2ae9be07599a4110aa904442fd290606a1e5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/serde_osc/0.4.2:/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=forbid" "-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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 00fcb6275fc03ff1315c4d271bd2e09c90f682ff463393a6d33f62136ef35559
[INFO] running `"docker" "start" "-a" "00fcb6275fc03ff1315c4d271bd2e09c90f682ff463393a6d33f62136ef35559"`
[INFO] [stderr]    Compiling serde_osc v0.4.2 (/opt/crater/workdir)
[INFO] [stderr] warning: doc comment not used by rustdoc
[INFO] [stderr]  --> tests/ser/tuple.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     /// Tuple we'll serialize
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_doc_comments)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: doc comment not used by rustdoc
[INFO] [stderr]   --> tests/ser/tuple.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     /// Tuple we'll serialize
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/de/bundle_visitor.rs:85:35
[INFO] [stderr]    |
[INFO] [stderr] 85 |             BundleField::Elements(mut read) =>
[INFO] [stderr]    |                                   ----^^^^
[INFO] [stderr]    |                                   |
[INFO] [stderr]    |                                   help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/ser/timetag_ser.rs:46:18
[INFO] [stderr]    |
[INFO] [stderr] 46 |             Some(mut part) => {
[INFO] [stderr]    |                  ----^^^^
[INFO] [stderr]    |                  |
[INFO] [stderr]    |                  help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.20s
[INFO] running `"docker" "inspect" "00fcb6275fc03ff1315c4d271bd2e09c90f682ff463393a6d33f62136ef35559"`
[INFO] running `"docker" "rm" "-f" "00fcb6275fc03ff1315c4d271bd2e09c90f682ff463393a6d33f62136ef35559"`
[INFO] [stdout] 00fcb6275fc03ff1315c4d271bd2e09c90f682ff463393a6d33f62136ef35559
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/serde_osc/0.4.2:/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=forbid" "-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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen"`
[INFO] [stdout] c3ce87a1a9bf0e276b26c5c033854619ce2865d6727ef2751442d3a4b2bb107a
[INFO] running `"docker" "start" "-a" "c3ce87a1a9bf0e276b26c5c033854619ce2865d6727ef2751442d3a4b2bb107a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/serde_osc-2404a2aa9b8ace28
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mod-a40d33d3bff1519c
[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 10 tests
[INFO] [stdout] test de::bundle::bundle ... ok
[INFO] [stdout] test de::auto_derive::to_tuple ... ok
[INFO] [stdout] test de::auto_derive::to_unit_struct ... ok
[INFO] [stdout] test de::auto_derive::to_array ... ok
[INFO] [stdout] test de::auto_derive::auto_de ... ok
[INFO] [stdout] test ser::tuple::unit_ser ... ok
[INFO] [stdout] test ser::auto_derive::auto_ser ... ok
[INFO] [stdout] test ser::tuple::tuple_ser ... ok
[INFO] [stdout] test de::manual::manual_de ... ok
[INFO] [stdout] test ser::bundle::bundle ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests serde_osc
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/ser/pkt_serializer.rs - ser::pkt_serializer::PktSerializer (line 40) ... ok
[INFO] [stdout] test src/ser/pkt_serializer.rs - ser::pkt_serializer::PktSerializer (line 21) ... ok
[INFO] [stdout] test src/lib.rs -  (line 44) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "c3ce87a1a9bf0e276b26c5c033854619ce2865d6727ef2751442d3a4b2bb107a"`
[INFO] running `"docker" "rm" "-f" "c3ce87a1a9bf0e276b26c5c033854619ce2865d6727ef2751442d3a4b2bb107a"`
[INFO] [stdout] c3ce87a1a9bf0e276b26c5c033854619ce2865d6727ef2751442d3a4b2bb107a