Dec 13 03:26:19.698 INFO testing shoul/rust_tutorial against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 13 03:26:19.698 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 13 03:26:20.277 INFO [stdout] 154b50ab41dd7f8518373c2058a7ac8dacff2398241c9e3a3864b4224204fe74
Dec 13 03:26:20.279 INFO running `"docker" "start" "-a" "154b50ab41dd7f8518373c2058a7ac8dacff2398241c9e3a3864b4224204fe74"`
Dec 13 03:26:21.959 INFO [stderr] usermod: no changes
Dec 13 03:26:22.014 INFO [stderr] warning: An explicit [[bin]] section is specified in Cargo.toml which currently
Dec 13 03:26:22.014 INFO [stderr] disables Cargo from automatically inferring other binary targets.
Dec 13 03:26:22.014 INFO [stderr] This inference behavior will change in the Rust 2018 edition and the following
Dec 13 03:26:22.014 INFO [stderr] files will be included as a binary target:
Dec 13 03:26:22.014 INFO [stderr] 
Dec 13 03:26:22.014 INFO [stderr] * /source/src/main.rs
Dec 13 03:26:22.014 INFO [stderr] 
Dec 13 03:26:22.014 INFO [stderr] This is likely to break cargo build or cargo test as these files may not be
Dec 13 03:26:22.014 INFO [stderr] ready to be compiled as a binary target today. You can future-proof yourself
Dec 13 03:26:22.014 INFO [stderr] and disable this warning by adding `autobins = false` to your [package]
Dec 13 03:26:22.014 INFO [stderr] section. You may also move the files to a location where Cargo would not
Dec 13 03:26:22.014 INFO [stderr] automatically infer them to be a target, such as in subfolders.
Dec 13 03:26:22.014 INFO [stderr] 
Dec 13 03:26:22.014 INFO [stderr] For more information on this warning you can consult
Dec 13 03:26:22.014 INFO [stderr] https://github.com/rust-lang/cargo/issues/5330
Dec 13 03:26:22.027 INFO [stderr]    Compiling rust_tutorial v0.1.0 (/source)
Dec 13 03:26:23.161 INFO [stderr] warning: unused variable: `v2`
Dec 13 03:26:23.161 INFO [stderr]   --> src/ownership.rs:37:9
Dec 13 03:26:23.161 INFO [stderr]    |
Dec 13 03:26:23.161 INFO [stderr] 37 |     let v2 = v;
Dec 13 03:26:23.161 INFO [stderr]    |         ^^ help: consider using `_v2` instead
Dec 13 03:26:23.161 INFO [stderr]    |
Dec 13 03:26:23.162 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 13 03:26:23.162 INFO [stderr] 
Dec 13 03:26:23.211 INFO [stderr] warning: variable does not need to be mutable
Dec 13 03:26:23.211 INFO [stderr]   --> src/ownership.rs:60:9
Dec 13 03:26:23.211 INFO [stderr]    |
Dec 13 03:26:23.211 INFO [stderr] 60 |     let mut b = a;
Dec 13 03:26:23.211 INFO [stderr]    |         ----^
Dec 13 03:26:23.211 INFO [stderr]    |         |
Dec 13 03:26:23.211 INFO [stderr]    |         help: remove this `mut`
Dec 13 03:26:23.211 INFO [stderr]    |
Dec 13 03:26:23.211 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 13 03:26:23.211 INFO [stderr] 
Dec 13 03:26:23.343 INFO [stderr] warning: unused variable: `j`
Dec 13 03:26:23.343 INFO [stderr]   --> src/vectors.rs:34:6
Dec 13 03:26:23.343 INFO [stderr]    |
Dec 13 03:26:23.343 INFO [stderr] 34 |     let j: i32 = 0;
Dec 13 03:26:23.343 INFO [stderr]    |         ^ help: consider using `_j` instead
Dec 13 03:26:23.343 INFO [stderr]    |
Dec 13 03:26:23.344 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 13 03:26:23.347 INFO [stderr] 
Dec 13 03:26:24.471 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.48s
Dec 13 03:26:24.479 INFO [stderr] su: No module specific data is present
Dec 13 03:26:25.361 INFO running `"docker" "inspect" "154b50ab41dd7f8518373c2058a7ac8dacff2398241c9e3a3864b4224204fe74"`
Dec 13 03:26:25.729 INFO running `"docker" "rm" "-f" "154b50ab41dd7f8518373c2058a7ac8dacff2398241c9e3a3864b4224204fe74"`
Dec 13 03:26:26.095 INFO [stdout] 154b50ab41dd7f8518373c2058a7ac8dacff2398241c9e3a3864b4224204fe74
Dec 13 03:26:26.099 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 13 03:26:26.607 INFO [stdout] 63a15a0ba77b30242b37c98ec47cdb3c9139fe534e29626573094729cecd856f
Dec 13 03:26:26.615 INFO running `"docker" "start" "-a" "63a15a0ba77b30242b37c98ec47cdb3c9139fe534e29626573094729cecd856f"`
Dec 13 03:26:28.058 INFO [stderr] usermod: no changes
Dec 13 03:26:28.111 INFO [stderr] warning: An explicit [[bin]] section is specified in Cargo.toml which currently
Dec 13 03:26:28.111 INFO [stderr] disables Cargo from automatically inferring other binary targets.
Dec 13 03:26:28.111 INFO [stderr] This inference behavior will change in the Rust 2018 edition and the following
Dec 13 03:26:28.111 INFO [stderr] files will be included as a binary target:
Dec 13 03:26:28.111 INFO [stderr] 
Dec 13 03:26:28.111 INFO [stderr] * /source/src/main.rs
Dec 13 03:26:28.111 INFO [stderr] 
Dec 13 03:26:28.111 INFO [stderr] This is likely to break cargo build or cargo test as these files may not be
Dec 13 03:26:28.111 INFO [stderr] ready to be compiled as a binary target today. You can future-proof yourself
Dec 13 03:26:28.111 INFO [stderr] and disable this warning by adding `autobins = false` to your [package]
Dec 13 03:26:28.111 INFO [stderr] section. You may also move the files to a location where Cargo would not
Dec 13 03:26:28.111 INFO [stderr] automatically infer them to be a target, such as in subfolders.
Dec 13 03:26:28.111 INFO [stderr] 
Dec 13 03:26:28.111 INFO [stderr] For more information on this warning you can consult
Dec 13 03:26:28.111 INFO [stderr] https://github.com/rust-lang/cargo/issues/5330
Dec 13 03:26:28.119 INFO [stderr]    Compiling rust_tutorial v0.1.0 (/source)
Dec 13 03:26:29.311 INFO [stderr] warning: unused variable: `v2`
Dec 13 03:26:29.311 INFO [stderr]   --> src/ownership.rs:37:9
Dec 13 03:26:29.311 INFO [stderr]    |
Dec 13 03:26:29.311 INFO [stderr] 37 |     let v2 = v;
Dec 13 03:26:29.311 INFO [stderr]    |         ^^ help: consider using `_v2` instead
Dec 13 03:26:29.331 INFO [stderr]    |
Dec 13 03:26:29.331 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 13 03:26:29.331 INFO [stderr] 
Dec 13 03:26:29.347 INFO [stderr] warning: variable does not need to be mutable
Dec 13 03:26:29.347 INFO [stderr]   --> src/ownership.rs:60:9
Dec 13 03:26:29.347 INFO [stderr]    |
Dec 13 03:26:29.347 INFO [stderr] 60 |     let mut b = a;
Dec 13 03:26:29.347 INFO [stderr]    |         ----^
Dec 13 03:26:29.347 INFO [stderr]    |         |
Dec 13 03:26:29.347 INFO [stderr]    |         help: remove this `mut`
Dec 13 03:26:29.363 INFO [stderr]    |
Dec 13 03:26:29.363 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 13 03:26:29.363 INFO [stderr] 
Dec 13 03:26:29.623 INFO [stderr] warning: unused variable: `j`
Dec 13 03:26:29.623 INFO [stderr]   --> src/vectors.rs:34:6
Dec 13 03:26:29.623 INFO [stderr]    |
Dec 13 03:26:29.623 INFO [stderr] 34 |     let j: i32 = 0;
Dec 13 03:26:29.623 INFO [stderr]    |         ^ help: consider using `_j` instead
Dec 13 03:26:29.623 INFO [stderr]    |
Dec 13 03:26:29.623 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 13 03:26:29.623 INFO [stderr] 
Dec 13 03:26:30.223 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.12s
Dec 13 03:26:30.223 INFO [stderr] su: No module specific data is present
Dec 13 03:26:30.881 INFO running `"docker" "inspect" "63a15a0ba77b30242b37c98ec47cdb3c9139fe534e29626573094729cecd856f"`
Dec 13 03:26:31.150 INFO running `"docker" "rm" "-f" "63a15a0ba77b30242b37c98ec47cdb3c9139fe534e29626573094729cecd856f"`
Dec 13 03:26:31.639 INFO [stdout] 63a15a0ba77b30242b37c98ec47cdb3c9139fe534e29626573094729cecd856f
Dec 13 03:26:31.641 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --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 13 03:26:32.127 INFO [stdout] a222c78b77fd9c3a5252ef629501b2efef25e8bce5b735e70dbc9c0269e64dda
Dec 13 03:26:32.135 INFO running `"docker" "start" "-a" "a222c78b77fd9c3a5252ef629501b2efef25e8bce5b735e70dbc9c0269e64dda"`
Dec 13 03:26:33.635 INFO [stderr] usermod: no changes
Dec 13 03:26:33.703 INFO [stderr] warning: An explicit [[bin]] section is specified in Cargo.toml which currently
Dec 13 03:26:33.703 INFO [stderr] disables Cargo from automatically inferring other binary targets.
Dec 13 03:26:33.703 INFO [stderr] This inference behavior will change in the Rust 2018 edition and the following
Dec 13 03:26:33.703 INFO [stderr] files will be included as a binary target:
Dec 13 03:26:33.703 INFO [stderr] 
Dec 13 03:26:33.703 INFO [stderr] * /source/src/main.rs
Dec 13 03:26:33.703 INFO [stderr] 
Dec 13 03:26:33.703 INFO [stderr] This is likely to break cargo build or cargo test as these files may not be
Dec 13 03:26:33.703 INFO [stderr] ready to be compiled as a binary target today. You can future-proof yourself
Dec 13 03:26:33.703 INFO [stderr] and disable this warning by adding `autobins = false` to your [package]
Dec 13 03:26:33.703 INFO [stderr] section. You may also move the files to a location where Cargo would not
Dec 13 03:26:33.703 INFO [stderr] automatically infer them to be a target, such as in subfolders.
Dec 13 03:26:33.703 INFO [stderr] 
Dec 13 03:26:33.703 INFO [stderr] For more information on this warning you can consult
Dec 13 03:26:33.703 INFO [stderr] https://github.com/rust-lang/cargo/issues/5330
Dec 13 03:26:33.708 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
Dec 13 03:26:33.708 INFO [stderr]      Running /target/debug/deps/hello_world-b11358b624f3108b
Dec 13 03:26:33.727 INFO [stderr]      Running /target/debug/deps/if-a4266d8c314ab0a8
Dec 13 03:26:33.727 INFO [stdout] 
Dec 13 03:26:33.727 INFO [stderr]      Running /target/debug/deps/loops-b09f7a4295ddc7c8
Dec 13 03:26:33.727 INFO [stdout] running 0 tests
Dec 13 03:26:33.727 INFO [stderr]      Running /target/debug/deps/ownership-93eb32366ff82894
Dec 13 03:26:33.727 INFO [stdout] 
Dec 13 03:26:33.727 INFO [stderr]      Running /target/debug/deps/vectors-c2e1698d5ab8f818
Dec 13 03:26:33.727 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 03:26:33.727 INFO [stdout] 
Dec 13 03:26:33.727 INFO [stdout] 
Dec 13 03:26:33.727 INFO [stdout] running 0 tests
Dec 13 03:26:33.727 INFO [stdout] 
Dec 13 03:26:33.727 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 03:26:33.727 INFO [stdout] 
Dec 13 03:26:33.727 INFO [stdout] 
Dec 13 03:26:33.727 INFO [stdout] running 0 tests
Dec 13 03:26:33.727 INFO [stdout] 
Dec 13 03:26:33.727 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 03:26:33.727 INFO [stdout] 
Dec 13 03:26:33.727 INFO [stdout] 
Dec 13 03:26:33.727 INFO [stdout] running 0 tests
Dec 13 03:26:33.727 INFO [stdout] 
Dec 13 03:26:33.727 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 03:26:33.727 INFO [stdout] 
Dec 13 03:26:33.727 INFO [stdout] 
Dec 13 03:26:33.727 INFO [stdout] running 0 tests
Dec 13 03:26:33.727 INFO [stdout] 
Dec 13 03:26:33.727 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 03:26:33.727 INFO [stdout] 
Dec 13 03:26:33.735 INFO [stderr] su: No module specific data is present
Dec 13 03:26:34.425 INFO running `"docker" "inspect" "a222c78b77fd9c3a5252ef629501b2efef25e8bce5b735e70dbc9c0269e64dda"`
Dec 13 03:26:34.787 INFO running `"docker" "rm" "-f" "a222c78b77fd9c3a5252ef629501b2efef25e8bce5b735e70dbc9c0269e64dda"`
Dec 13 03:26:35.091 INFO [stdout] a222c78b77fd9c3a5252ef629501b2efef25e8bce5b735e70dbc9c0269e64dda