Dec 03 16:38:52.718 INFO testing cbor-codec-0.7.1 against 1.30.1 for beta-1.31-5
Dec 03 16:38:52.718 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-3/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/beta-1.31-5/1.30.1:/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 +1.30.1 build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 03 16:38:53.163 INFO [stdout] 5fceb0538fbaca6f51cb7457cc309d09a61abb96363453ff808233051947841c
Dec 03 16:38:53.164 INFO running `"docker" "start" "-a" "5fceb0538fbaca6f51cb7457cc309d09a61abb96363453ff808233051947841c"`
Dec 03 16:38:53.935 INFO [stderr] usermod: no changes
Dec 03 16:38:53.971 INFO [stderr] warning: An explicit [[test]] section is specified in Cargo.toml which currently
Dec 03 16:38:53.971 INFO [stderr] disables Cargo from automatically inferring other test targets.
Dec 03 16:38:53.971 INFO [stderr] This inference behavior will change in the Rust 2018 edition and the following
Dec 03 16:38:53.971 INFO [stderr] files will be included as a test target:
Dec 03 16:38:53.971 INFO [stderr] 
Dec 03 16:38:53.971 INFO [stderr] * /source/tests/util.rs
Dec 03 16:38:53.971 INFO [stderr] * /source/tests/unit.rs
Dec 03 16:38:53.971 INFO [stderr] 
Dec 03 16:38:53.971 INFO [stderr] This is likely to break cargo build or cargo test as these files may not be
Dec 03 16:38:53.971 INFO [stderr] ready to be compiled as a test target today. You can future-proof yourself
Dec 03 16:38:53.971 INFO [stderr] and disable this warning by adding `autotests = false` to your [package]
Dec 03 16:38:53.971 INFO [stderr] section. You may also move the files to a location where Cargo would not
Dec 03 16:38:53.971 INFO [stderr] automatically infer them to be a target, such as in subfolders.
Dec 03 16:38:53.971 INFO [stderr] 
Dec 03 16:38:53.971 INFO [stderr] For more information on this warning you can consult
Dec 03 16:38:53.971 INFO [stderr] https://github.com/rust-lang/cargo/issues/5330
Dec 03 16:38:54.003 INFO [stderr]    Compiling cbor-codec v0.7.1 (/source)
Dec 03 16:38:56.017 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.06s
Dec 03 16:38:56.018 INFO [stderr] su: No module specific data is present
Dec 03 16:38:56.699 INFO running `"docker" "inspect" "5fceb0538fbaca6f51cb7457cc309d09a61abb96363453ff808233051947841c"`
Dec 03 16:38:56.821 INFO running `"docker" "rm" "-f" "5fceb0538fbaca6f51cb7457cc309d09a61abb96363453ff808233051947841c"`
Dec 03 16:38:56.971 INFO [stdout] 5fceb0538fbaca6f51cb7457cc309d09a61abb96363453ff808233051947841c
Dec 03 16:38:56.973 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-3/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/beta-1.31-5/1.30.1:/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 +1.30.1 test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 03 16:38:57.172 INFO [stdout] baeb27cd09088764f60ba6d9adc5efe3091371b2451d86c4c8b87919ec2c971d
Dec 03 16:38:57.174 INFO running `"docker" "start" "-a" "baeb27cd09088764f60ba6d9adc5efe3091371b2451d86c4c8b87919ec2c971d"`
Dec 03 16:38:57.926 INFO [stderr] usermod: no changes
Dec 03 16:38:57.967 INFO [stderr] warning: An explicit [[test]] section is specified in Cargo.toml which currently
Dec 03 16:38:57.967 INFO [stderr] disables Cargo from automatically inferring other test targets.
Dec 03 16:38:57.967 INFO [stderr] This inference behavior will change in the Rust 2018 edition and the following
Dec 03 16:38:57.967 INFO [stderr] files will be included as a test target:
Dec 03 16:38:57.967 INFO [stderr] 
Dec 03 16:38:57.967 INFO [stderr] * /source/tests/util.rs
Dec 03 16:38:57.967 INFO [stderr] * /source/tests/unit.rs
Dec 03 16:38:57.967 INFO [stderr] 
Dec 03 16:38:57.967 INFO [stderr] This is likely to break cargo build or cargo test as these files may not be
Dec 03 16:38:57.967 INFO [stderr] ready to be compiled as a test target today. You can future-proof yourself
Dec 03 16:38:57.967 INFO [stderr] and disable this warning by adding `autotests = false` to your [package]
Dec 03 16:38:57.967 INFO [stderr] section. You may also move the files to a location where Cargo would not
Dec 03 16:38:57.967 INFO [stderr] automatically infer them to be a target, such as in subfolders.
Dec 03 16:38:57.967 INFO [stderr] 
Dec 03 16:38:57.967 INFO [stderr] For more information on this warning you can consult
Dec 03 16:38:57.967 INFO [stderr] https://github.com/rust-lang/cargo/issues/5330
Dec 03 16:38:58.059 INFO [stderr]    Compiling json-codec v0.5.0
Dec 03 16:38:58.059 INFO [stderr]    Compiling cbor-codec v0.7.1 (/source)
Dec 03 16:38:58.059 INFO [stderr]    Compiling quickcheck_macros v0.7.0
Dec 03 16:39:05.335 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 03 16:39:05.335 INFO [stderr]  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/quickcheck_macros-0.7.0/src/lib.rs:8:1
Dec 03 16:39:05.335 INFO [stderr]   |
Dec 03 16:39:05.335 INFO [stderr] 8 | #![feature(plugin_registrar, rustc_private)]
Dec 03 16:39:05.335 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 16:39:05.335 INFO [stderr] 
Dec 03 16:39:05.335 INFO [stderr] error: aborting due to previous error
Dec 03 16:39:05.336 INFO [stderr] 
Dec 03 16:39:05.336 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 16:39:05.354 INFO [stderr] error: Could not compile `quickcheck_macros`.
Dec 03 16:39:05.354 INFO [stderr] 
Dec 03 16:39:05.354 INFO [stderr] To learn more, run the command again with --verbose.
Dec 03 16:39:05.359 INFO [stderr] su: No module specific data is present
Dec 03 16:39:06.711 INFO running `"docker" "inspect" "baeb27cd09088764f60ba6d9adc5efe3091371b2451d86c4c8b87919ec2c971d"`
Dec 03 16:39:06.891 INFO running `"docker" "rm" "-f" "baeb27cd09088764f60ba6d9adc5efe3091371b2451d86c4c8b87919ec2c971d"`
Dec 03 16:39:07.227 INFO [stdout] baeb27cd09088764f60ba6d9adc5efe3091371b2451d86c4c8b87919ec2c971d