Dec 05 07:35:37.505 INFO testing shoul/rust_tutorial against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 05 07:35:37.506 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 05 07:35:37.938 INFO [stdout] 4a71d0e3fc97c4e36b0324e4543b4610f2d3e483748bb1a691635ef5cb0ac23c
Dec 05 07:35:37.944 INFO running `"docker" "start" "-a" "4a71d0e3fc97c4e36b0324e4543b4610f2d3e483748bb1a691635ef5cb0ac23c"`
Dec 05 07:35:39.580 INFO [stderr] usermod: no changes
Dec 05 07:35:39.613 INFO [stderr] warning: An explicit [[bin]] section is specified in Cargo.toml which currently
Dec 05 07:35:39.613 INFO [stderr] disables Cargo from automatically inferring other binary targets.
Dec 05 07:35:39.613 INFO [stderr] This inference behavior will change in the Rust 2018 edition and the following
Dec 05 07:35:39.613 INFO [stderr] files will be included as a binary target:
Dec 05 07:35:39.613 INFO [stderr] 
Dec 05 07:35:39.613 INFO [stderr] * /source/src/main.rs
Dec 05 07:35:39.613 INFO [stderr] 
Dec 05 07:35:39.613 INFO [stderr] This is likely to break cargo build or cargo test as these files may not be
Dec 05 07:35:39.613 INFO [stderr] ready to be compiled as a binary target today. You can future-proof yourself
Dec 05 07:35:39.613 INFO [stderr] and disable this warning by adding `autobins = false` to your [package]
Dec 05 07:35:39.613 INFO [stderr] section. You may also move the files to a location where Cargo would not
Dec 05 07:35:39.613 INFO [stderr] automatically infer them to be a target, such as in subfolders.
Dec 05 07:35:39.613 INFO [stderr] 
Dec 05 07:35:39.613 INFO [stderr] For more information on this warning you can consult
Dec 05 07:35:39.613 INFO [stderr] https://github.com/rust-lang/cargo/issues/5330
Dec 05 07:35:39.613 INFO [stderr]    Compiling rust_tutorial v0.1.0 (/source)
Dec 05 07:35:39.952 INFO [stderr] warning: unused variable: `j`
Dec 05 07:35:39.952 INFO [stderr]   --> src/vectors.rs:34:6
Dec 05 07:35:39.952 INFO [stderr]    |
Dec 05 07:35:39.952 INFO [stderr] 34 |     let j: i32 = 0;
Dec 05 07:35:39.952 INFO [stderr]    |         ^ help: consider using `_j` instead
Dec 05 07:35:39.952 INFO [stderr]    |
Dec 05 07:35:39.952 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 07:35:39.952 INFO [stderr] 
Dec 05 07:35:40.728 INFO [stderr] warning: unused variable: `v2`
Dec 05 07:35:40.728 INFO [stderr]   --> src/ownership.rs:37:9
Dec 05 07:35:40.728 INFO [stderr]    |
Dec 05 07:35:40.728 INFO [stderr] 37 |     let v2 = v;
Dec 05 07:35:40.728 INFO [stderr]    |         ^^ help: consider using `_v2` instead
Dec 05 07:35:40.728 INFO [stderr]    |
Dec 05 07:35:40.728 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 07:35:40.728 INFO [stderr] 
Dec 05 07:35:40.760 INFO [stderr] warning: variable does not need to be mutable
Dec 05 07:35:40.760 INFO [stderr]   --> src/ownership.rs:60:9
Dec 05 07:35:40.760 INFO [stderr]    |
Dec 05 07:35:40.760 INFO [stderr] 60 |     let mut b = a;
Dec 05 07:35:40.760 INFO [stderr]    |         ----^
Dec 05 07:35:40.760 INFO [stderr]    |         |
Dec 05 07:35:40.760 INFO [stderr]    |         help: remove this `mut`
Dec 05 07:35:40.760 INFO [stderr]    |
Dec 05 07:35:40.760 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 07:35:40.760 INFO [stderr] 
Dec 05 07:35:41.700 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.09s
Dec 05 07:35:41.700 INFO [stderr] su: No module specific data is present
Dec 05 07:35:42.586 INFO running `"docker" "inspect" "4a71d0e3fc97c4e36b0324e4543b4610f2d3e483748bb1a691635ef5cb0ac23c"`
Dec 05 07:35:42.845 INFO running `"docker" "rm" "-f" "4a71d0e3fc97c4e36b0324e4543b4610f2d3e483748bb1a691635ef5cb0ac23c"`
Dec 05 07:35:43.188 INFO [stdout] 4a71d0e3fc97c4e36b0324e4543b4610f2d3e483748bb1a691635ef5cb0ac23c
Dec 05 07:35:43.190 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 05 07:35:43.718 INFO [stdout] d431bc275096325979e0bc4e40d40abee1339a872ae9a6f71ef7f024d7954437
Dec 05 07:35:43.726 INFO running `"docker" "start" "-a" "d431bc275096325979e0bc4e40d40abee1339a872ae9a6f71ef7f024d7954437"`
Dec 05 07:35:45.144 INFO [stderr] usermod: no changes
Dec 05 07:35:45.200 INFO [stderr] warning: An explicit [[bin]] section is specified in Cargo.toml which currently
Dec 05 07:35:45.200 INFO [stderr] disables Cargo from automatically inferring other binary targets.
Dec 05 07:35:45.200 INFO [stderr] This inference behavior will change in the Rust 2018 edition and the following
Dec 05 07:35:45.200 INFO [stderr] files will be included as a binary target:
Dec 05 07:35:45.200 INFO [stderr] 
Dec 05 07:35:45.200 INFO [stderr] * /source/src/main.rs
Dec 05 07:35:45.200 INFO [stderr] 
Dec 05 07:35:45.200 INFO [stderr] This is likely to break cargo build or cargo test as these files may not be
Dec 05 07:35:45.200 INFO [stderr] ready to be compiled as a binary target today. You can future-proof yourself
Dec 05 07:35:45.200 INFO [stderr] and disable this warning by adding `autobins = false` to your [package]
Dec 05 07:35:45.200 INFO [stderr] section. You may also move the files to a location where Cargo would not
Dec 05 07:35:45.200 INFO [stderr] automatically infer them to be a target, such as in subfolders.
Dec 05 07:35:45.200 INFO [stderr] 
Dec 05 07:35:45.200 INFO [stderr] For more information on this warning you can consult
Dec 05 07:35:45.200 INFO [stderr] https://github.com/rust-lang/cargo/issues/5330
Dec 05 07:35:45.212 INFO [stderr]    Compiling rust_tutorial v0.1.0 (/source)
Dec 05 07:35:45.612 INFO [stderr] warning: unused variable: `v2`
Dec 05 07:35:45.612 INFO [stderr]   --> src/ownership.rs:37:9
Dec 05 07:35:45.612 INFO [stderr]    |
Dec 05 07:35:45.612 INFO [stderr] 37 |     let v2 = v;
Dec 05 07:35:45.612 INFO [stderr]    |         ^^ help: consider using `_v2` instead
Dec 05 07:35:45.612 INFO [stderr]    |
Dec 05 07:35:45.612 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 07:35:45.612 INFO [stderr] 
Dec 05 07:35:45.624 INFO [stderr] warning: variable does not need to be mutable
Dec 05 07:35:45.624 INFO [stderr]   --> src/ownership.rs:60:9
Dec 05 07:35:45.624 INFO [stderr]    |
Dec 05 07:35:45.624 INFO [stderr] 60 |     let mut b = a;
Dec 05 07:35:45.624 INFO [stderr]    |         ----^
Dec 05 07:35:45.624 INFO [stderr]    |         |
Dec 05 07:35:45.624 INFO [stderr]    |         help: remove this `mut`
Dec 05 07:35:45.624 INFO [stderr]    |
Dec 05 07:35:45.624 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 07:35:45.624 INFO [stderr] 
Dec 05 07:35:45.968 INFO [stderr] warning: unused variable: `j`
Dec 05 07:35:45.968 INFO [stderr]   --> src/vectors.rs:34:6
Dec 05 07:35:45.968 INFO [stderr]    |
Dec 05 07:35:45.968 INFO [stderr] 34 |     let j: i32 = 0;
Dec 05 07:35:45.968 INFO [stderr]    |         ^ help: consider using `_j` instead
Dec 05 07:35:46.009 INFO [stderr]    |
Dec 05 07:35:46.009 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 07:35:46.009 INFO [stderr] 
Dec 05 07:35:47.104 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.92s
Dec 05 07:35:47.107 INFO [stderr] su: No module specific data is present
Dec 05 07:35:48.044 INFO running `"docker" "inspect" "d431bc275096325979e0bc4e40d40abee1339a872ae9a6f71ef7f024d7954437"`
Dec 05 07:35:48.380 INFO running `"docker" "rm" "-f" "d431bc275096325979e0bc4e40d40abee1339a872ae9a6f71ef7f024d7954437"`
Dec 05 07:35:48.728 INFO [stdout] d431bc275096325979e0bc4e40d40abee1339a872ae9a6f71ef7f024d7954437
Dec 05 07:35:48.734 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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" "-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 07:35:49.204 INFO [stdout] f35fd8017c44cd5d0e16b7ff65fbb37f107f5922e51f46eb3957614a998b130a
Dec 05 07:35:49.212 INFO running `"docker" "start" "-a" "f35fd8017c44cd5d0e16b7ff65fbb37f107f5922e51f46eb3957614a998b130a"`
Dec 05 07:35:50.221 INFO [stderr] usermod: no changes
Dec 05 07:35:50.272 INFO [stderr] warning: An explicit [[bin]] section is specified in Cargo.toml which currently
Dec 05 07:35:50.272 INFO [stderr] disables Cargo from automatically inferring other binary targets.
Dec 05 07:35:50.272 INFO [stderr] This inference behavior will change in the Rust 2018 edition and the following
Dec 05 07:35:50.272 INFO [stderr] files will be included as a binary target:
Dec 05 07:35:50.272 INFO [stderr] 
Dec 05 07:35:50.272 INFO [stderr] * /source/src/main.rs
Dec 05 07:35:50.272 INFO [stderr] 
Dec 05 07:35:50.272 INFO [stderr] This is likely to break cargo build or cargo test as these files may not be
Dec 05 07:35:50.272 INFO [stderr] ready to be compiled as a binary target today. You can future-proof yourself
Dec 05 07:35:50.272 INFO [stderr] and disable this warning by adding `autobins = false` to your [package]
Dec 05 07:35:50.272 INFO [stderr] section. You may also move the files to a location where Cargo would not
Dec 05 07:35:50.272 INFO [stderr] automatically infer them to be a target, such as in subfolders.
Dec 05 07:35:50.272 INFO [stderr] 
Dec 05 07:35:50.272 INFO [stderr] For more information on this warning you can consult
Dec 05 07:35:50.272 INFO [stderr] https://github.com/rust-lang/cargo/issues/5330
Dec 05 07:35:50.272 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
Dec 05 07:35:50.274 INFO [stderr]      Running /target/debug/deps/hello_world-58676252ebc953b6
Dec 05 07:35:50.274 INFO [stdout] 
Dec 05 07:35:50.274 INFO [stdout] running 0 tests
Dec 05 07:35:50.274 INFO [stdout] 
Dec 05 07:35:50.274 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 05 07:35:50.274 INFO [stdout] 
Dec 05 07:35:50.274 INFO [stderr]      Running /target/debug/deps/if-da36fafaa939469a
Dec 05 07:35:50.284 INFO [stdout] 
Dec 05 07:35:50.284 INFO [stdout] running 0 tests
Dec 05 07:35:50.284 INFO [stdout] 
Dec 05 07:35:50.284 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 05 07:35:50.284 INFO [stdout] 
Dec 05 07:35:50.284 INFO [stderr]      Running /target/debug/deps/loops-57b1169856c31379
Dec 05 07:35:50.288 INFO [stdout] 
Dec 05 07:35:50.288 INFO [stdout] running 0 tests
Dec 05 07:35:50.288 INFO [stdout] 
Dec 05 07:35:50.288 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 05 07:35:50.288 INFO [stdout] 
Dec 05 07:35:50.288 INFO [stdout] 
Dec 05 07:35:50.288 INFO [stdout] running 0 tests
Dec 05 07:35:50.288 INFO [stdout] 
Dec 05 07:35:50.288 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 05 07:35:50.288 INFO [stdout] 
Dec 05 07:35:50.289 INFO [stderr]      Running /target/debug/deps/ownership-94923eb4a1192b31
Dec 05 07:35:50.289 INFO [stderr]      Running /target/debug/deps/vectors-cbfdafff69c8a708
Dec 05 07:35:50.294 INFO [stdout] 
Dec 05 07:35:50.294 INFO [stdout] running 0 tests
Dec 05 07:35:50.294 INFO [stdout] 
Dec 05 07:35:50.294 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 05 07:35:50.294 INFO [stdout] 
Dec 05 07:35:50.295 INFO [stderr] su: No module specific data is present
Dec 05 07:35:51.250 INFO running `"docker" "inspect" "f35fd8017c44cd5d0e16b7ff65fbb37f107f5922e51f46eb3957614a998b130a"`
Dec 05 07:35:51.520 INFO running `"docker" "rm" "-f" "f35fd8017c44cd5d0e16b7ff65fbb37f107f5922e51f46eb3957614a998b130a"`
Dec 05 07:35:51.804 INFO [stdout] f35fd8017c44cd5d0e16b7ff65fbb37f107f5922e51f46eb3957614a998b130a