Dec 05 07:35:36.711 INFO testing shoul/rust_tutorial against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 05 07:35:36.711 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 05 07:35:37.157 INFO [stdout] 4c151ee5403ecbcaffa9435316572e3849daa753b1097173bf9fe0dcace33001
Dec 05 07:35:37.162 INFO running `"docker" "start" "-a" "4c151ee5403ecbcaffa9435316572e3849daa753b1097173bf9fe0dcace33001"`
Dec 05 07:35:38.664 INFO [stderr] usermod: no changes
Dec 05 07:35:38.732 INFO [stderr] warning: An explicit [[bin]] section is specified in Cargo.toml which currently
Dec 05 07:35:38.732 INFO [stderr] disables Cargo from automatically inferring other binary targets.
Dec 05 07:35:38.732 INFO [stderr] This inference behavior will change in the Rust 2018 edition and the following
Dec 05 07:35:38.732 INFO [stderr] files will be included as a binary target:
Dec 05 07:35:38.732 INFO [stderr] 
Dec 05 07:35:38.732 INFO [stderr] * /source/src/main.rs
Dec 05 07:35:38.732 INFO [stderr] 
Dec 05 07:35:38.732 INFO [stderr] This is likely to break cargo build or cargo test as these files may not be
Dec 05 07:35:38.732 INFO [stderr] ready to be compiled as a binary target today. You can future-proof yourself
Dec 05 07:35:38.732 INFO [stderr] and disable this warning by adding `autobins = false` to your [package]
Dec 05 07:35:38.732 INFO [stderr] section. You may also move the files to a location where Cargo would not
Dec 05 07:35:38.732 INFO [stderr] automatically infer them to be a target, such as in subfolders.
Dec 05 07:35:38.732 INFO [stderr] 
Dec 05 07:35:38.732 INFO [stderr] For more information on this warning you can consult
Dec 05 07:35:38.732 INFO [stderr] https://github.com/rust-lang/cargo/issues/5330
Dec 05 07:35:38.748 INFO [stderr]    Compiling rust_tutorial v0.1.0 (/source)
Dec 05 07:35:39.480 INFO [stderr] warning: unused variable: `j`
Dec 05 07:35:39.480 INFO [stderr]   --> src/vectors.rs:34:6
Dec 05 07:35:39.480 INFO [stderr]    |
Dec 05 07:35:39.480 INFO [stderr] 34 |     let j: i32 = 0;
Dec 05 07:35:39.480 INFO [stderr]    |         ^ help: consider using `_j` instead
Dec 05 07:35:39.480 INFO [stderr]    |
Dec 05 07:35:39.480 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 07:35:39.480 INFO [stderr] 
Dec 05 07:35:39.824 INFO [stderr] warning: unused variable: `v2`
Dec 05 07:35:39.824 INFO [stderr]   --> src/ownership.rs:37:9
Dec 05 07:35:39.824 INFO [stderr]    |
Dec 05 07:35:39.824 INFO [stderr] 37 |     let v2 = v;
Dec 05 07:35:39.824 INFO [stderr]    |         ^^ help: consider using `_v2` instead
Dec 05 07:35:39.824 INFO [stderr]    |
Dec 05 07:35:39.824 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 07:35:39.824 INFO [stderr] 
Dec 05 07:35:39.870 INFO [stderr] warning: variable does not need to be mutable
Dec 05 07:35:39.870 INFO [stderr]   --> src/ownership.rs:60:9
Dec 05 07:35:39.870 INFO [stderr]    |
Dec 05 07:35:39.870 INFO [stderr] 60 |     let mut b = a;
Dec 05 07:35:39.870 INFO [stderr]    |         ----^
Dec 05 07:35:39.870 INFO [stderr]    |         |
Dec 05 07:35:39.870 INFO [stderr]    |         help: remove this `mut`
Dec 05 07:35:39.908 INFO [stderr]    |
Dec 05 07:35:39.908 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 07:35:39.908 INFO [stderr] 
Dec 05 07:35:40.944 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.25s
Dec 05 07:35:40.944 INFO [stderr] su: No module specific data is present
Dec 05 07:35:42.250 INFO running `"docker" "inspect" "4c151ee5403ecbcaffa9435316572e3849daa753b1097173bf9fe0dcace33001"`
Dec 05 07:35:42.494 INFO running `"docker" "rm" "-f" "4c151ee5403ecbcaffa9435316572e3849daa753b1097173bf9fe0dcace33001"`
Dec 05 07:35:42.764 INFO [stdout] 4c151ee5403ecbcaffa9435316572e3849daa753b1097173bf9fe0dcace33001
Dec 05 07:35:42.770 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 05 07:35:43.274 INFO [stdout] a183c0e0bf1ece4bee232f813208b91427b8caa716c1bf832ec0e78491fd07b2
Dec 05 07:35:43.278 INFO running `"docker" "start" "-a" "a183c0e0bf1ece4bee232f813208b91427b8caa716c1bf832ec0e78491fd07b2"`
Dec 05 07:35:44.559 INFO [stderr] usermod: no changes
Dec 05 07:35:44.611 INFO [stderr] warning: An explicit [[bin]] section is specified in Cargo.toml which currently
Dec 05 07:35:44.611 INFO [stderr] disables Cargo from automatically inferring other binary targets.
Dec 05 07:35:44.611 INFO [stderr] This inference behavior will change in the Rust 2018 edition and the following
Dec 05 07:35:44.611 INFO [stderr] files will be included as a binary target:
Dec 05 07:35:44.611 INFO [stderr] 
Dec 05 07:35:44.611 INFO [stderr] * /source/src/main.rs
Dec 05 07:35:44.611 INFO [stderr] 
Dec 05 07:35:44.611 INFO [stderr] This is likely to break cargo build or cargo test as these files may not be
Dec 05 07:35:44.611 INFO [stderr] ready to be compiled as a binary target today. You can future-proof yourself
Dec 05 07:35:44.611 INFO [stderr] and disable this warning by adding `autobins = false` to your [package]
Dec 05 07:35:44.611 INFO [stderr] section. You may also move the files to a location where Cargo would not
Dec 05 07:35:44.611 INFO [stderr] automatically infer them to be a target, such as in subfolders.
Dec 05 07:35:44.611 INFO [stderr] 
Dec 05 07:35:44.611 INFO [stderr] For more information on this warning you can consult
Dec 05 07:35:44.611 INFO [stderr] https://github.com/rust-lang/cargo/issues/5330
Dec 05 07:35:44.618 INFO [stderr]    Compiling rust_tutorial v0.1.0 (/source)
Dec 05 07:35:45.048 INFO [stderr] warning: unused variable: `j`
Dec 05 07:35:45.048 INFO [stderr]   --> src/vectors.rs:34:6
Dec 05 07:35:45.048 INFO [stderr]    |
Dec 05 07:35:45.048 INFO [stderr] 34 |     let j: i32 = 0;
Dec 05 07:35:45.048 INFO [stderr]    |         ^ help: consider using `_j` instead
Dec 05 07:35:45.048 INFO [stderr]    |
Dec 05 07:35:45.048 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 07:35:45.048 INFO [stderr] 
Dec 05 07:35:45.916 INFO [stderr] warning: unused variable: `v2`
Dec 05 07:35:45.916 INFO [stderr]   --> src/ownership.rs:37:9
Dec 05 07:35:45.916 INFO [stderr]    |
Dec 05 07:35:45.916 INFO [stderr] 37 |     let v2 = v;
Dec 05 07:35:45.916 INFO [stderr]    |         ^^ help: consider using `_v2` instead
Dec 05 07:35:45.916 INFO [stderr]    |
Dec 05 07:35:45.916 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 07:35:45.916 INFO [stderr] 
Dec 05 07:35:45.960 INFO [stderr] warning: variable does not need to be mutable
Dec 05 07:35:45.960 INFO [stderr]   --> src/ownership.rs:60:9
Dec 05 07:35:45.960 INFO [stderr]    |
Dec 05 07:35:45.960 INFO [stderr] 60 |     let mut b = a;
Dec 05 07:35:45.960 INFO [stderr]    |         ----^
Dec 05 07:35:45.960 INFO [stderr]    |         |
Dec 05 07:35:45.960 INFO [stderr]    |         help: remove this `mut`
Dec 05 07:35:45.960 INFO [stderr]    |
Dec 05 07:35:45.960 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 07:35:45.960 INFO [stderr] 
Dec 05 07:35:46.779 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.20s
Dec 05 07:35:46.784 INFO [stderr] su: No module specific data is present
Dec 05 07:35:48.040 INFO running `"docker" "inspect" "a183c0e0bf1ece4bee232f813208b91427b8caa716c1bf832ec0e78491fd07b2"`
Dec 05 07:35:48.308 INFO running `"docker" "rm" "-f" "a183c0e0bf1ece4bee232f813208b91427b8caa716c1bf832ec0e78491fd07b2"`
Dec 05 07:35:48.576 INFO [stdout] a183c0e0bf1ece4bee232f813208b91427b8caa716c1bf832ec0e78491fd07b2
Dec 05 07:35:48.580 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 05 07:35:49.116 INFO [stdout] 59d185cc51c417228d0f3de19913f798d75485fc9da282a7dea39c1f22295d49
Dec 05 07:35:49.124 INFO running `"docker" "start" "-a" "59d185cc51c417228d0f3de19913f798d75485fc9da282a7dea39c1f22295d49"`
Dec 05 07:35:50.250 INFO [stderr] usermod: no changes
Dec 05 07:35:50.288 INFO [stderr] warning: An explicit [[bin]] section is specified in Cargo.toml which currently
Dec 05 07:35:50.288 INFO [stderr] disables Cargo from automatically inferring other binary targets.
Dec 05 07:35:50.288 INFO [stderr] This inference behavior will change in the Rust 2018 edition and the following
Dec 05 07:35:50.288 INFO [stderr] files will be included as a binary target:
Dec 05 07:35:50.288 INFO [stderr] 
Dec 05 07:35:50.288 INFO [stderr] * /source/src/main.rs
Dec 05 07:35:50.288 INFO [stderr] 
Dec 05 07:35:50.288 INFO [stderr] This is likely to break cargo build or cargo test as these files may not be
Dec 05 07:35:50.288 INFO [stderr] ready to be compiled as a binary target today. You can future-proof yourself
Dec 05 07:35:50.288 INFO [stderr] and disable this warning by adding `autobins = false` to your [package]
Dec 05 07:35:50.288 INFO [stderr] section. You may also move the files to a location where Cargo would not
Dec 05 07:35:50.288 INFO [stderr] automatically infer them to be a target, such as in subfolders.
Dec 05 07:35:50.288 INFO [stderr] 
Dec 05 07:35:50.288 INFO [stderr] For more information on this warning you can consult
Dec 05 07:35:50.288 INFO [stderr] https://github.com/rust-lang/cargo/issues/5330
Dec 05 07:35:50.294 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Dec 05 07:35:50.294 INFO [stderr]      Running /target/debug/deps/hello_world-643f3ad952755abe
Dec 05 07:35:50.312 INFO [stdout] 
Dec 05 07:35:50.312 INFO [stdout] running 0 tests
Dec 05 07:35:50.312 INFO [stdout] 
Dec 05 07:35:50.312 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 05 07:35:50.312 INFO [stdout] 
Dec 05 07:35:50.314 INFO [stderr]      Running /target/debug/deps/if-faa36674f056a4d6
Dec 05 07:35:50.328 INFO [stdout] 
Dec 05 07:35:50.328 INFO [stdout] running 0 tests
Dec 05 07:35:50.328 INFO [stdout] 
Dec 05 07:35:50.328 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 05 07:35:50.328 INFO [stdout] 
Dec 05 07:35:50.328 INFO [stderr]      Running /target/debug/deps/loops-5a0acb9b421cb907
Dec 05 07:35:50.336 INFO [stdout] 
Dec 05 07:35:50.336 INFO [stdout] running 0 tests
Dec 05 07:35:50.336 INFO [stdout] 
Dec 05 07:35:50.336 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 05 07:35:50.336 INFO [stdout] 
Dec 05 07:35:50.336 INFO [stdout] 
Dec 05 07:35:50.336 INFO [stdout] running 0 tests
Dec 05 07:35:50.336 INFO [stdout] 
Dec 05 07:35:50.336 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 05 07:35:50.336 INFO [stdout] 
Dec 05 07:35:50.337 INFO [stderr]      Running /target/debug/deps/ownership-cb2698f224506ddb
Dec 05 07:35:50.337 INFO [stderr]      Running /target/debug/deps/vectors-6e6dfb0edaa7b511
Dec 05 07:35:50.337 INFO [stdout] 
Dec 05 07:35:50.337 INFO [stdout] running 0 tests
Dec 05 07:35:50.337 INFO [stdout] 
Dec 05 07:35:50.337 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 05 07:35:50.337 INFO [stdout] 
Dec 05 07:35:50.344 INFO [stderr] su: No module specific data is present
Dec 05 07:35:51.287 INFO running `"docker" "inspect" "59d185cc51c417228d0f3de19913f798d75485fc9da282a7dea39c1f22295d49"`
Dec 05 07:35:51.460 INFO running `"docker" "rm" "-f" "59d185cc51c417228d0f3de19913f798d75485fc9da282a7dea39c1f22295d49"`
Dec 05 07:35:51.850 INFO [stdout] 59d185cc51c417228d0f3de19913f798d75485fc9da282a7dea39c1f22295d49