Dec 04 13:21:46.200 INFO checking nayato/length-push against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 13:21:46.200 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-6/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 04 13:21:46.623 INFO [stdout] f03553e0c3a977a5873ec6ee8099b280f1e2dbd94a24844b13c43d52843b6fa7
Dec 04 13:21:46.631 INFO running `"docker" "start" "-a" "f03553e0c3a977a5873ec6ee8099b280f1e2dbd94a24844b13c43d52843b6fa7"`
Dec 04 13:21:47.559 INFO [stderr] usermod: no changes
Dec 04 13:21:47.823 INFO [stderr]    Compiling ring v0.13.2
Dec 04 13:21:47.824 INFO [stderr]    Compiling proc-macro2 v0.4.9
Dec 04 13:21:47.855 INFO [stderr]     Checking bytes v0.4.9
Dec 04 13:21:47.855 INFO [stderr]     Checking mio v0.6.15
Dec 04 13:21:47.855 INFO [stderr]     Checking chrono v0.4.5
Dec 04 13:21:47.855 INFO [stderr]     Checking error-chain v0.12.0
Dec 04 13:21:51.947 INFO [stderr]     Checking tokio-io v0.1.5
Dec 04 13:21:52.961 INFO [stderr]    Compiling quote v0.6.4
Dec 04 13:21:54.087 INFO [stderr]     Checking tokio-core v0.1.12
Dec 04 13:21:54.141 INFO [stderr]    Compiling syn v0.14.6
Dec 04 13:21:59.441 INFO [stderr]     Checking webpki v0.18.1
Dec 04 13:21:59.442 INFO [stderr]     Checking sct v0.3.0
Dec 04 13:22:01.955 INFO [stderr]     Checking rustls v0.12.0
Dec 04 13:22:06.500 INFO [stderr]    Compiling structopt-derive v0.2.10
Dec 04 13:22:11.531 INFO [stderr]     Checking structopt v0.2.10
Dec 04 13:22:11.912 INFO [stderr]     Checking tokio-rustls v0.5.0
Dec 04 13:22:12.932 INFO [stderr]     Checking length-push v0.1.0 (/source)
Dec 04 13:22:13.118 INFO [stderr] warning: lint `unused_doc_comment` has been renamed to `unused_doc_comments`
Dec 04 13:22:13.118 INFO [stderr]  --> src/error.rs:1:10
Dec 04 13:22:13.119 INFO [stderr]   |
Dec 04 13:22:13.119 INFO [stderr] 1 | #![allow(unused_doc_comment)]
Dec 04 13:22:13.119 INFO [stderr]   |          ^^^^^^^^^^^^^^^^^^ help: use the new name: `unused_doc_comments`
Dec 04 13:22:13.119 INFO [stderr]   |
Dec 04 13:22:13.120 INFO [stderr]   = note: #[warn(renamed_and_removed_lints)] on by default
Dec 04 13:22:13.120 INFO [stderr] 
Dec 04 13:22:13.131 INFO [stderr] warning: lint `unused_doc_comment` has been renamed to `unused_doc_comments`
Dec 04 13:22:13.131 INFO [stderr]  --> src/error.rs:1:10
Dec 04 13:22:13.132 INFO [stderr]   |
Dec 04 13:22:13.132 INFO [stderr] 1 | #![allow(unused_doc_comment)]
Dec 04 13:22:13.132 INFO [stderr]   |          ^^^^^^^^^^^^^^^^^^ help: use the new name: `unused_doc_comments`
Dec 04 13:22:13.133 INFO [stderr]   |
Dec 04 13:22:13.133 INFO [stderr]   = note: #[warn(renamed_and_removed_lints)] on by default
Dec 04 13:22:13.133 INFO [stderr] 
Dec 04 13:22:15.140 INFO [stderr] warning: unused import: `codec::LengthCodec`
Dec 04 13:22:15.140 INFO [stderr]   --> src/main.rs:37:5
Dec 04 13:22:15.140 INFO [stderr]    |
Dec 04 13:22:15.140 INFO [stderr] 37 | use codec::LengthCodec;
Dec 04 13:22:15.140 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 04 13:22:15.140 INFO [stderr]    |
Dec 04 13:22:15.140 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 04 13:22:15.140 INFO [stderr] 
Dec 04 13:22:15.239 INFO [stderr] warning: unused import: `codec::LengthCodec`
Dec 04 13:22:15.239 INFO [stderr]   --> src/main.rs:37:5
Dec 04 13:22:15.239 INFO [stderr]    |
Dec 04 13:22:15.239 INFO [stderr] 37 | use codec::LengthCodec;
Dec 04 13:22:15.239 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 04 13:22:15.239 INFO [stderr]    |
Dec 04 13:22:15.239 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 04 13:22:15.239 INFO [stderr] 
Dec 04 13:22:15.727 INFO [stderr] warning: unused variable: `offset`
Dec 04 13:22:15.727 INFO [stderr]   --> src/main.rs:95:5
Dec 04 13:22:15.727 INFO [stderr]    |
Dec 04 13:22:15.727 INFO [stderr] 95 |     offset: usize,
Dec 04 13:22:15.727 INFO [stderr]    |     ^^^^^^ help: consider using `_offset` instead
Dec 04 13:22:15.727 INFO [stderr]    |
Dec 04 13:22:15.727 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 13:22:15.727 INFO [stderr] 
Dec 04 13:22:15.731 INFO [stderr] warning: unused variable: `offset`
Dec 04 13:22:15.731 INFO [stderr]   --> src/main.rs:95:5
Dec 04 13:22:15.731 INFO [stderr]    |
Dec 04 13:22:15.731 INFO [stderr] 95 |     offset: usize,
Dec 04 13:22:15.731 INFO [stderr]    |     ^^^^^^ help: consider using `_offset` instead
Dec 04 13:22:15.731 INFO [stderr]    |
Dec 04 13:22:15.731 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 13:22:15.731 INFO [stderr] 
Dec 04 13:22:15.937 INFO [stderr] warning: struct is never constructed: `LengthCodec`
Dec 04 13:22:15.937 INFO [stderr]  --> src/codec.rs:5:1
Dec 04 13:22:15.937 INFO [stderr]   |
Dec 04 13:22:15.937 INFO [stderr] 5 | pub struct LengthCodec {
Dec 04 13:22:15.937 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
Dec 04 13:22:15.937 INFO [stderr]   |
Dec 04 13:22:15.937 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 04 13:22:15.937 INFO [stderr] 
Dec 04 13:22:15.937 INFO [stderr] warning: method is never used: `new`
Dec 04 13:22:15.937 INFO [stderr]   --> src/codec.rs:16:5
Dec 04 13:22:15.937 INFO [stderr]    |
Dec 04 13:22:15.937 INFO [stderr] 16 |     pub fn new() -> LengthCodec {
Dec 04 13:22:15.937 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 13:22:15.937 INFO [stderr] 
Dec 04 13:22:15.967 INFO [stderr] warning: struct is never constructed: `LengthCodec`
Dec 04 13:22:15.967 INFO [stderr]  --> src/codec.rs:5:1
Dec 04 13:22:15.968 INFO [stderr]   |
Dec 04 13:22:15.968 INFO [stderr] 5 | pub struct LengthCodec {
Dec 04 13:22:15.968 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
Dec 04 13:22:15.968 INFO [stderr]   |
Dec 04 13:22:15.969 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 04 13:22:15.969 INFO [stderr] 
Dec 04 13:22:15.969 INFO [stderr] warning: method is never used: `new`
Dec 04 13:22:15.969 INFO [stderr]   --> src/codec.rs:16:5
Dec 04 13:22:15.970 INFO [stderr]    |
Dec 04 13:22:15.970 INFO [stderr] 16 |     pub fn new() -> LengthCodec {
Dec 04 13:22:15.970 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 13:22:15.970 INFO [stderr] 
Dec 04 13:22:16.059 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.47s
Dec 04 13:22:16.083 INFO [stderr] su: No module specific data is present
Dec 04 13:22:17.465 INFO running `"docker" "inspect" "f03553e0c3a977a5873ec6ee8099b280f1e2dbd94a24844b13c43d52843b6fa7"`
Dec 04 13:22:17.841 INFO running `"docker" "rm" "-f" "f03553e0c3a977a5873ec6ee8099b280f1e2dbd94a24844b13c43d52843b6fa7"`
Dec 04 13:22:18.211 INFO [stdout] f03553e0c3a977a5873ec6ee8099b280f1e2dbd94a24844b13c43d52843b6fa7