Dec 11 11:26:51.879 INFO checking qultist/tasty-json against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 11:26:51.879 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-0/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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"`
Dec 11 11:26:52.175 INFO [stdout] 0783ba3fd365dac904b6f7025bcd2d20131e1f52ebd41688d97474ac5f81179c
Dec 11 11:26:52.177 INFO running `"docker" "start" "-a" "0783ba3fd365dac904b6f7025bcd2d20131e1f52ebd41688d97474ac5f81179c"`
Dec 11 11:26:54.421 INFO [stderr] usermod: no changes
Dec 11 11:26:54.513 INFO [stderr]     Checking aho-corasick v0.6.4
Dec 11 11:26:55.348 INFO [stderr]     Checking regex v1.0.0
Dec 11 11:26:55.348 INFO [stderr]     Checking regex v0.2.11
Dec 11 11:26:58.582 INFO [stderr]     Checking nom v4.0.0
Dec 11 11:27:00.662 INFO [stderr]     Checking tasty-json v0.1.0 (/source)
Dec 11 11:27:01.260 INFO [stderr] warning: unused import: `std::env`
Dec 11 11:27:01.260 INFO [stderr]  --> src/main.rs:8:5
Dec 11 11:27:01.260 INFO [stderr]   |
Dec 11 11:27:01.260 INFO [stderr] 8 | use std::env;
Dec 11 11:27:01.260 INFO [stderr]   |     ^^^^^^^^
Dec 11 11:27:01.260 INFO [stderr]   |
Dec 11 11:27:01.260 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 11:27:01.260 INFO [stderr] 
Dec 11 11:27:01.483 INFO [stderr] warning: unused import: `std::env`
Dec 11 11:27:01.483 INFO [stderr]  --> src/main.rs:8:5
Dec 11 11:27:01.483 INFO [stderr]   |
Dec 11 11:27:01.483 INFO [stderr] 8 | use std::env;
Dec 11 11:27:01.483 INFO [stderr]   |     ^^^^^^^^
Dec 11 11:27:01.483 INFO [stderr]   |
Dec 11 11:27:01.483 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 11:27:01.483 INFO [stderr] 
Dec 11 11:27:01.656 INFO [stderr] warning: method is never used: `as_f64`
Dec 11 11:27:01.656 INFO [stderr]   --> src/json.rs:26:5
Dec 11 11:27:01.656 INFO [stderr]    |
Dec 11 11:27:01.656 INFO [stderr] 26 |     pub fn as_f64(&self) -> Option<f64> {
Dec 11 11:27:01.656 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 11:27:01.656 INFO [stderr]    |
Dec 11 11:27:01.656 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 11 11:27:01.656 INFO [stderr] 
Dec 11 11:27:01.656 INFO [stderr] warning: method is never used: `as_vec`
Dec 11 11:27:01.656 INFO [stderr]   --> src/json.rs:42:5
Dec 11 11:27:01.656 INFO [stderr]    |
Dec 11 11:27:01.656 INFO [stderr] 42 |     pub fn as_vec(&self) -> Option<Vec<Value>> {
Dec 11 11:27:01.656 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 11:27:01.656 INFO [stderr] 
Dec 11 11:27:01.656 INFO [stderr] warning: method is never used: `as_bool`
Dec 11 11:27:01.656 INFO [stderr]   --> src/json.rs:50:5
Dec 11 11:27:01.656 INFO [stderr]    |
Dec 11 11:27:01.656 INFO [stderr] 50 |     pub fn as_bool(&self) -> Option<bool> {
Dec 11 11:27:01.656 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 11:27:01.656 INFO [stderr] 
Dec 11 11:27:02.028 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.58s
Dec 11 11:27:02.036 INFO [stderr] su: No module specific data is present
Dec 11 11:27:02.788 INFO running `"docker" "inspect" "0783ba3fd365dac904b6f7025bcd2d20131e1f52ebd41688d97474ac5f81179c"`
Dec 11 11:27:03.104 INFO running `"docker" "rm" "-f" "0783ba3fd365dac904b6f7025bcd2d20131e1f52ebd41688d97474ac5f81179c"`
Dec 11 11:27:03.420 INFO [stdout] 0783ba3fd365dac904b6f7025bcd2d20131e1f52ebd41688d97474ac5f81179c