Nov 17 16:39:46.217 INFO testing BenjaminGuenin/rust-programming-tutorial against try#2e026d6e5d7621634147ad4c8074f1d964dbb1be for pr-55982
Nov 17 16:39:46.217 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-4/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 17 16:39:46.411 INFO [stdout] d53a78eb245e60c6fdab0bb2524d25cd68e3e87eed7fa115e3e937d4616e6a42
Nov 17 16:39:46.412 INFO running `"docker" "start" "-a" "d53a78eb245e60c6fdab0bb2524d25cd68e3e87eed7fa115e3e937d4616e6a42"`
Nov 17 16:39:46.803 INFO [stderr] usermod: no changes
Nov 17 16:39:46.839 INFO [stderr]    Compiling rust-programming-tutorial v0.1.0 (/source)
Nov 17 16:39:47.135 INFO [stderr] warning: unused variable: `immutable_string`
Nov 17 16:39:47.135 INFO [stderr]  --> src/main.rs:3:9
Nov 17 16:39:47.135 INFO [stderr]   |
Nov 17 16:39:47.135 INFO [stderr] 3 |     let immutable_string = "hello"; // cannot be modified - stored on the stack
Nov 17 16:39:47.135 INFO [stderr]   |         ^^^^^^^^^^^^^^^^ help: consider using `_immutable_string` instead
Nov 17 16:39:47.135 INFO [stderr]   |
Nov 17 16:39:47.135 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Nov 17 16:39:47.135 INFO [stderr] 
Nov 17 16:39:47.135 INFO [stderr] warning: unused variable: `s`
Nov 17 16:39:47.135 INFO [stderr]   --> src/main.rs:11:13
Nov 17 16:39:47.135 INFO [stderr]    |
Nov 17 16:39:47.135 INFO [stderr] 11 |         let s = String::from("hello"); // s is valid from this point forward
Nov 17 16:39:47.135 INFO [stderr]    |             ^ help: consider using `_s` instead
Nov 17 16:39:47.135 INFO [stderr] 
Nov 17 16:39:47.415 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
Nov 17 16:39:47.419 INFO [stderr] su: No module specific data is present
Nov 17 16:39:47.728 INFO running `"docker" "inspect" "d53a78eb245e60c6fdab0bb2524d25cd68e3e87eed7fa115e3e937d4616e6a42"`
Nov 17 16:39:47.841 INFO running `"docker" "rm" "-f" "d53a78eb245e60c6fdab0bb2524d25cd68e3e87eed7fa115e3e937d4616e6a42"`
Nov 17 16:39:47.950 INFO [stdout] d53a78eb245e60c6fdab0bb2524d25cd68e3e87eed7fa115e3e937d4616e6a42
Nov 17 16:39:47.950 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-4/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 17 16:39:48.189 INFO [stdout] 5a0f6e6c8413eeb9d6046a9225a5d4c8cbf79abb56405fa823d43e562e2d87b9
Nov 17 16:39:48.193 INFO running `"docker" "start" "-a" "5a0f6e6c8413eeb9d6046a9225a5d4c8cbf79abb56405fa823d43e562e2d87b9"`
Nov 17 16:39:48.943 INFO [stderr] usermod: no changes
Nov 17 16:39:48.983 INFO [stderr]    Compiling rust-programming-tutorial v0.1.0 (/source)
Nov 17 16:39:49.463 INFO [stderr] warning: unused variable: `immutable_string`
Nov 17 16:39:49.463 INFO [stderr]  --> src/main.rs:3:9
Nov 17 16:39:49.463 INFO [stderr]   |
Nov 17 16:39:49.463 INFO [stderr] 3 |     let immutable_string = "hello"; // cannot be modified - stored on the stack
Nov 17 16:39:49.463 INFO [stderr]   |         ^^^^^^^^^^^^^^^^ help: consider using `_immutable_string` instead
Nov 17 16:39:49.463 INFO [stderr]   |
Nov 17 16:39:49.463 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Nov 17 16:39:49.463 INFO [stderr] 
Nov 17 16:39:49.463 INFO [stderr] warning: unused variable: `s`
Nov 17 16:39:49.463 INFO [stderr]   --> src/main.rs:11:13
Nov 17 16:39:49.463 INFO [stderr]    |
Nov 17 16:39:49.463 INFO [stderr] 11 |         let s = String::from("hello"); // s is valid from this point forward
Nov 17 16:39:49.463 INFO [stderr]    |             ^ help: consider using `_s` instead
Nov 17 16:39:49.463 INFO [stderr] 
Nov 17 16:39:49.915 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.95s
Nov 17 16:39:49.918 INFO [stderr] su: No module specific data is present
Nov 17 16:39:50.861 INFO running `"docker" "inspect" "5a0f6e6c8413eeb9d6046a9225a5d4c8cbf79abb56405fa823d43e562e2d87b9"`
Nov 17 16:39:51.089 INFO running `"docker" "rm" "-f" "5a0f6e6c8413eeb9d6046a9225a5d4c8cbf79abb56405fa823d43e562e2d87b9"`
Nov 17 16:39:51.338 INFO [stdout] 5a0f6e6c8413eeb9d6046a9225a5d4c8cbf79abb56405fa823d43e562e2d87b9
Nov 17 16:39:51.358 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-4/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 17 16:39:51.867 INFO [stdout] 9620db7885278cd084d826481aa1ef23ac6e45282ef1eab3936de2adca0635b3
Nov 17 16:39:51.875 INFO running `"docker" "start" "-a" "9620db7885278cd084d826481aa1ef23ac6e45282ef1eab3936de2adca0635b3"`
Nov 17 16:39:52.914 INFO [stderr] usermod: no changes
Nov 17 16:39:52.967 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Nov 17 16:39:52.975 INFO [stderr]      Running /target/debug/deps/rust_programming_tutorial-6f7dc7712aaad257
Nov 17 16:39:52.987 INFO [stdout] 
Nov 17 16:39:52.987 INFO [stdout] running 0 tests
Nov 17 16:39:52.987 INFO [stdout] 
Nov 17 16:39:52.987 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 17 16:39:52.987 INFO [stdout] 
Nov 17 16:39:52.995 INFO [stderr] su: No module specific data is present
Nov 17 16:39:53.524 INFO running `"docker" "inspect" "9620db7885278cd084d826481aa1ef23ac6e45282ef1eab3936de2adca0635b3"`
Nov 17 16:39:53.619 INFO running `"docker" "rm" "-f" "9620db7885278cd084d826481aa1ef23ac6e45282ef1eab3936de2adca0635b3"`
Nov 17 16:39:53.706 INFO [stdout] 9620db7885278cd084d826481aa1ef23ac6e45282ef1eab3936de2adca0635b3