Dec 06 22:33:48.204 INFO testing slog-html-0.1.3 against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 06 22:33:48.205 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-alt build --frozen" "-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 06 22:33:48.550 INFO [stdout] 3c027d558c3cc79bf287ff1a0572623a22fed98f7862314ba04d3c28db1bcfae
Dec 06 22:33:48.558 INFO running `"docker" "start" "-a" "3c027d558c3cc79bf287ff1a0572623a22fed98f7862314ba04d3c28db1bcfae"`
Dec 06 22:33:49.781 INFO [stderr] usermod: no changes
Dec 06 22:33:49.952 INFO [stderr]    Compiling slog-html v0.1.3 (/source)
Dec 06 22:33:51.174 INFO [stderr] warning: unused `#[macro_use]` import
Dec 06 22:33:51.174 INFO [stderr]   --> src/lib.rs:84:1
Dec 06 22:33:51.174 INFO [stderr]    |
Dec 06 22:33:51.174 INFO [stderr] 84 | #[macro_use]
Dec 06 22:33:51.174 INFO [stderr]    | ^^^^^^^^^^^^
Dec 06 22:33:51.174 INFO [stderr]    |
Dec 06 22:33:51.174 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 06 22:33:51.174 INFO [stderr] 
Dec 06 22:33:51.294 INFO [stderr] warning: use of deprecated item 'slog::OwnedKeyValueList::parent': &Option<...> is a stupid type to return. Use `get_parent` for now.
Dec 06 22:33:51.294 INFO [stderr]    --> src/lib.rs:246:54
Dec 06 22:33:51.294 INFO [stderr]     |
Dec 06 22:33:51.294 INFO [stderr] 246 |         if let Some(ref parent) = *logger_values_ref.parent() {
Dec 06 22:33:51.294 INFO [stderr]     |                                                      ^^^^^^
Dec 06 22:33:51.294 INFO [stderr]     |
Dec 06 22:33:51.294 INFO [stderr]     = note: #[warn(deprecated)] on by default
Dec 06 22:33:51.294 INFO [stderr] 
Dec 06 22:33:51.437 INFO [stderr] warning: variable does not need to be mutable
Dec 06 22:33:51.437 INFO [stderr]    --> src/lib.rs:160:14
Dec 06 22:33:51.437 INFO [stderr]     |
Dec 06 22:33:51.437 INFO [stderr] 160 |         let (mut io, _) = serializer.finish();
Dec 06 22:33:51.437 INFO [stderr]     |              ----^^
Dec 06 22:33:51.437 INFO [stderr]     |              |
Dec 06 22:33:51.437 INFO [stderr]     |              help: remove this `mut`
Dec 06 22:33:51.437 INFO [stderr]     |
Dec 06 22:33:51.437 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 06 22:33:51.437 INFO [stderr] 
Dec 06 22:33:51.452 INFO [stderr] warning: variable does not need to be mutable
Dec 06 22:33:51.452 INFO [stderr]    --> src/lib.rs:209:14
Dec 06 22:33:51.452 INFO [stderr]     |
Dec 06 22:33:51.452 INFO [stderr] 209 |         let (mut io, _) = serializer.finish();
Dec 06 22:33:51.452 INFO [stderr]     |              ----^^
Dec 06 22:33:51.452 INFO [stderr]     |              |
Dec 06 22:33:51.452 INFO [stderr]     |              help: remove this `mut`
Dec 06 22:33:51.452 INFO [stderr] 
Dec 06 22:33:52.168 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.34s
Dec 06 22:33:52.168 INFO [stderr] su: No module specific data is present
Dec 06 22:33:52.645 INFO running `"docker" "inspect" "3c027d558c3cc79bf287ff1a0572623a22fed98f7862314ba04d3c28db1bcfae"`
Dec 06 22:33:52.905 INFO running `"docker" "rm" "-f" "3c027d558c3cc79bf287ff1a0572623a22fed98f7862314ba04d3c28db1bcfae"`
Dec 06 22:33:53.048 INFO [stdout] 3c027d558c3cc79bf287ff1a0572623a22fed98f7862314ba04d3c28db1bcfae
Dec 06 22:33:53.054 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-alt test --frozen --no-run" "-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 06 22:33:53.246 INFO [stdout] 08a873ae3101f86a5d97ce172378fbf131916dd31376210c3a98c8f6b9c2263b
Dec 06 22:33:53.248 INFO running `"docker" "start" "-a" "08a873ae3101f86a5d97ce172378fbf131916dd31376210c3a98c8f6b9c2263b"`
Dec 06 22:33:53.652 INFO [stderr] usermod: no changes
Dec 06 22:33:53.709 INFO [stderr]    Compiling slog-html v0.1.3 (/source)
Dec 06 22:33:56.312 INFO [stderr] warning: unused `#[macro_use]` import
Dec 06 22:33:56.312 INFO [stderr]   --> src/lib.rs:84:1
Dec 06 22:33:56.312 INFO [stderr]    |
Dec 06 22:33:56.312 INFO [stderr] 84 | #[macro_use]
Dec 06 22:33:56.312 INFO [stderr]    | ^^^^^^^^^^^^
Dec 06 22:33:56.312 INFO [stderr]    |
Dec 06 22:33:56.312 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 06 22:33:56.312 INFO [stderr] 
Dec 06 22:33:56.459 INFO [stderr] warning: use of deprecated item 'slog::OwnedKeyValueList::parent': &Option<...> is a stupid type to return. Use `get_parent` for now.
Dec 06 22:33:56.460 INFO [stderr]    --> src/lib.rs:246:54
Dec 06 22:33:56.460 INFO [stderr]     |
Dec 06 22:33:56.460 INFO [stderr] 246 |         if let Some(ref parent) = *logger_values_ref.parent() {
Dec 06 22:33:56.461 INFO [stderr]     |                                                      ^^^^^^
Dec 06 22:33:56.461 INFO [stderr]     |
Dec 06 22:33:56.461 INFO [stderr]     = note: #[warn(deprecated)] on by default
Dec 06 22:33:56.461 INFO [stderr] 
Dec 06 22:33:56.840 INFO [stderr] warning: variable does not need to be mutable
Dec 06 22:33:56.840 INFO [stderr]    --> src/lib.rs:160:14
Dec 06 22:33:56.840 INFO [stderr]     |
Dec 06 22:33:56.840 INFO [stderr] 160 |         let (mut io, _) = serializer.finish();
Dec 06 22:33:56.844 INFO [stderr]     |              ----^^
Dec 06 22:33:56.844 INFO [stderr]     |              |
Dec 06 22:33:56.844 INFO [stderr]     |              help: remove this `mut`
Dec 06 22:33:56.844 INFO [stderr]     |
Dec 06 22:33:56.844 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 06 22:33:56.844 INFO [stderr] 
Dec 06 22:33:56.855 INFO [stderr] warning: variable does not need to be mutable
Dec 06 22:33:56.855 INFO [stderr]    --> src/lib.rs:209:14
Dec 06 22:33:56.855 INFO [stderr]     |
Dec 06 22:33:56.855 INFO [stderr] 209 |         let (mut io, _) = serializer.finish();
Dec 06 22:33:56.855 INFO [stderr]     |              ----^^
Dec 06 22:33:56.855 INFO [stderr]     |              |
Dec 06 22:33:56.855 INFO [stderr]     |              help: remove this `mut`
Dec 06 22:33:56.855 INFO [stderr] 
Dec 06 22:33:58.387 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.72s
Dec 06 22:33:58.390 INFO [stderr] su: No module specific data is present
Dec 06 22:33:58.720 INFO running `"docker" "inspect" "08a873ae3101f86a5d97ce172378fbf131916dd31376210c3a98c8f6b9c2263b"`
Dec 06 22:33:58.793 INFO running `"docker" "rm" "-f" "08a873ae3101f86a5d97ce172378fbf131916dd31376210c3a98c8f6b9c2263b"`
Dec 06 22:33:58.872 INFO [stdout] 08a873ae3101f86a5d97ce172378fbf131916dd31376210c3a98c8f6b9c2263b