Sep 21 02:52:41.296 INFO checking smol_str-0.1.6 against try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6 for pr-54394
Sep 21 02:52:41.296 INFO running: cargo +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets
Sep 21 02:52:41.296 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-54394/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-2/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "CMD=cargo +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 21 02:52:41.537 INFO blam! 60ee8df1d0319b8a6e3ec33a83d7ff2ff028ec01c203e187bbf1e7979e6b090c
Sep 21 02:52:41.540 INFO running `"docker" "start" "-a" "60ee8df1d0319b8a6e3ec33a83d7ff2ff028ec01c203e187bbf1e7979e6b090c"`
Sep 21 02:52:42.765 INFO kablam! usermod: no changes
Sep 21 02:52:42.907 INFO kablam!     Checking smol_str v0.1.6 (/source)
Sep 21 02:52:42.907 INFO kablam!     Checking proptest v0.8.6
Sep 21 02:52:52.946 INFO kablam! error[E0277]: the trait bound `smol_str::SmolStr: serde::ser::Serialize` is not satisfied
Sep 21 02:52:52.946 INFO kablam!   --> tests/test.rs:55:13
Sep 21 02:52:52.947 INFO kablam!    |
Sep 21 02:52:52.947 INFO kablam! 55 |     let s = serde_json::to_string(&s).unwrap();
Sep 21 02:52:52.947 INFO kablam!    |             ^^^^^^^^^^^^^^^^^^^^^ the trait `serde::ser::Serialize` is not implemented for `smol_str::SmolStr`
Sep 21 02:52:52.948 INFO kablam!    |
Sep 21 02:52:52.948 INFO kablam!    = note: required by `serde_json::to_string`
Sep 21 02:52:52.948 INFO kablam! 
Sep 21 02:52:52.952 INFO kablam! error[E0277]: the trait bound `smol_str::SmolStr: serde::de::Deserialize<'_>` is not satisfied
Sep 21 02:52:52.953 INFO kablam!   --> tests/test.rs:57:22
Sep 21 02:52:52.953 INFO kablam!    |
Sep 21 02:52:52.953 INFO kablam! 57 |     let s: SmolStr = serde_json::from_str(&s).unwrap();
Sep 21 02:52:52.954 INFO kablam!    |                      ^^^^^^^^^^^^^^^^^^^^ the trait `serde::de::Deserialize<'_>` is not implemented for `smol_str::SmolStr`
Sep 21 02:52:52.954 INFO kablam!    |
Sep 21 02:52:52.955 INFO kablam!    = note: required by `serde_json::from_str`
Sep 21 02:52:52.955 INFO kablam! 
Sep 21 02:52:53.002 INFO kablam! error: aborting due to 2 previous errors
Sep 21 02:52:53.002 INFO kablam! 
Sep 21 02:52:53.002 INFO kablam! For more information about this error, try `rustc --explain E0277`.
Sep 21 02:52:53.011 INFO kablam! error: Could not compile `smol_str`.
Sep 21 02:52:53.011 INFO kablam! 
Sep 21 02:52:53.011 INFO kablam! To learn more, run the command again with --verbose.
Sep 21 02:52:53.013 INFO kablam! su: No module specific data is present
Sep 21 02:52:53.706 INFO running `"docker" "rm" "-f" "60ee8df1d0319b8a6e3ec33a83d7ff2ff028ec01c203e187bbf1e7979e6b090c"`
Sep 21 02:52:53.768 INFO blam! 60ee8df1d0319b8a6e3ec33a83d7ff2ff028ec01c203e187bbf1e7979e6b090c