Oct 31 22:52:33.576 INFO checking qultist/tasty-json against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Oct 31 22:52:33.577 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-0/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55538/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +d7816399d50d407bbce1efe9dbadf8faaaf568fc-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Oct 31 22:52:33.963 INFO blam! 58af1bb59bd87e7f4a82403022c142bc919ddfc54dbcf5cad4ff5f3f9dce009e
Oct 31 22:52:33.964 INFO running `"docker" "start" "-a" "58af1bb59bd87e7f4a82403022c142bc919ddfc54dbcf5cad4ff5f3f9dce009e"`
Oct 31 22:52:35.668 INFO kablam! usermod: no changes
Oct 31 22:52:35.768 INFO kablam!     Checking libc v0.2.42
Oct 31 22:52:37.421 INFO kablam!     Checking memchr v2.0.1
Oct 31 22:52:37.836 INFO kablam!     Checking aho-corasick v0.6.4
Oct 31 22:52:38.623 INFO kablam!     Checking regex v1.0.0
Oct 31 22:52:38.627 INFO kablam!     Checking regex v0.2.11
Oct 31 22:52:42.752 INFO kablam!     Checking nom v4.0.0
Oct 31 22:52:44.976 INFO kablam!     Checking tasty-json v0.1.0 (/source)
Oct 31 22:52:45.802 INFO kablam! warning: unused import: `std::env`
Oct 31 22:52:45.802 INFO kablam!  --> src/main.rs:8:5
Oct 31 22:52:45.803 INFO kablam!   |
Oct 31 22:52:45.803 INFO kablam! 8 | use std::env;
Oct 31 22:52:45.803 INFO kablam!   |     ^^^^^^^^
Oct 31 22:52:45.803 INFO kablam!   |
Oct 31 22:52:45.803 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 31 22:52:45.803 INFO kablam! 
Oct 31 22:52:45.872 INFO kablam! warning: unused import: `std::env`
Oct 31 22:52:45.873 INFO kablam!  --> src/main.rs:8:5
Oct 31 22:52:45.873 INFO kablam!   |
Oct 31 22:52:45.873 INFO kablam! 8 | use std::env;
Oct 31 22:52:45.873 INFO kablam!   |     ^^^^^^^^
Oct 31 22:52:45.873 INFO kablam!   |
Oct 31 22:52:45.873 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 31 22:52:45.873 INFO kablam! 
Oct 31 22:52:46.352 INFO kablam! warning: method is never used: `as_f64`
Oct 31 22:52:46.353 INFO kablam!   --> src/json.rs:26:5
Oct 31 22:52:46.354 INFO kablam!    |
Oct 31 22:52:46.354 INFO kablam! 26 |     pub fn as_f64(&self) -> Option<f64> {
Oct 31 22:52:46.355 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 22:52:46.355 INFO kablam!    |
Oct 31 22:52:46.356 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 31 22:52:46.357 INFO kablam! 
Oct 31 22:52:46.357 INFO kablam! warning: method is never used: `as_vec`
Oct 31 22:52:46.358 INFO kablam!   --> src/json.rs:42:5
Oct 31 22:52:46.358 INFO kablam!    |
Oct 31 22:52:46.359 INFO kablam! 42 |     pub fn as_vec(&self) -> Option<Vec<Value>> {
Oct 31 22:52:46.360 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 22:52:46.360 INFO kablam! 
Oct 31 22:52:46.361 INFO kablam! warning: method is never used: `as_bool`
Oct 31 22:52:46.361 INFO kablam!   --> src/json.rs:50:5
Oct 31 22:52:46.362 INFO kablam!    |
Oct 31 22:52:46.362 INFO kablam! 50 |     pub fn as_bool(&self) -> Option<bool> {
Oct 31 22:52:46.363 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 22:52:46.364 INFO kablam! 
Oct 31 22:52:46.629 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 10.93s
Oct 31 22:52:46.637 INFO kablam! su: No module specific data is present
Oct 31 22:52:47.808 INFO running `"docker" "rm" "-f" "58af1bb59bd87e7f4a82403022c142bc919ddfc54dbcf5cad4ff5f3f9dce009e"`
Oct 31 22:52:48.104 INFO blam! 58af1bb59bd87e7f4a82403022c142bc919ddfc54dbcf5cad4ff5f3f9dce009e