[INFO] cloning repository https://github.com/labormedia/functional_rust_tests [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/labormedia/functional_rust_tests" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flabormedia%2Ffunctional_rust_tests", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flabormedia%2Ffunctional_rust_tests'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 10087fd63c9e69df841646e12bafc28104d86c33 [INFO] checking labormedia/functional_rust_tests against try#23ffd2897cbb44320ca18dfe4d05dbacb37d55e0 for pr-115950 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flabormedia%2Ffunctional_rust_tests" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/labormedia/functional_rust_tests on toolchain 23ffd2897cbb44320ca18dfe4d05dbacb37d55e0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/labormedia/functional_rust_tests [INFO] finished tweaking git repo https://github.com/labormedia/functional_rust_tests [INFO] tweaked toml for git repo https://github.com/labormedia/functional_rust_tests written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/labormedia/functional_rust_tests already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7097dd956de42899518b5886e1fd8331b98106acd192d621122271d58540eb57 [INFO] running `Command { std: "docker" "start" "-a" "7097dd956de42899518b5886e1fd8331b98106acd192d621122271d58540eb57", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7097dd956de42899518b5886e1fd8331b98106acd192d621122271d58540eb57", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7097dd956de42899518b5886e1fd8331b98106acd192d621122271d58540eb57", kill_on_drop: false }` [INFO] [stdout] 7097dd956de42899518b5886e1fd8331b98106acd192d621122271d58540eb57 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 32d92bc5d770a27abdc85087f6f2b17fd43a032066c279a937e4be4ecac88692 [INFO] running `Command { std: "docker" "start" "-a" "32d92bc5d770a27abdc85087f6f2b17fd43a032066c279a937e4be4ecac88692", kill_on_drop: false }` [INFO] [stderr] Checking functional_tests v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: fields `my_string` and `my_uint32` are never read [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 2 | struct MyStruct { [INFO] [stdout] | -------- fields in this struct [INFO] [stdout] 3 | my_string: String, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 4 | my_uint32: u32 [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `MyStruct` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `my_associated_function`, `bind`, and `curry` are never used [INFO] [stdout] --> src/main.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 7 | impl MyStruct { [INFO] [stdout] | ------------- methods in this implementation [INFO] [stdout] 8 | fn my_associated_function(&mut self, my_string: &str, my_uint32: u32) -> &Self { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 14 | fn bind(&mut self, my_function: fn(&mut MyStruct) -> &Self) -> &Self { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 19 | fn curry(&'static mut self, my_function: fn(&mut MyStruct) -> &Self, my_struct: &mut MyStruct) -> impl FnOnce() -> &'static MyStruct { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0716]: temporary value dropped while borrowed [INFO] [stdout] --> src/main.rs:66:82 [INFO] [stdout] | [INFO] [stdout] 66 | let my_curry = my_new_instance.curry(lets_create_a_second_function, &mut MyStruct { my_string: " Pineapple".into(), my_uint32: 0 }); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - temporary value is freed at the end of this statement [INFO] [stdout] | | [INFO] [stdout] | creates a temporary value which is freed while still in use [INFO] [stdout] 67 | [INFO] [stdout] 68 | println!("Check D: {:#?}", my_curry()); [INFO] [stdout] | -------- borrow later used here [INFO] [stdout] | [INFO] [stdout] help: consider using a `let` binding to create a longer lived value [INFO] [stdout] | [INFO] [stdout] 66 ~ let binding = MyStruct { my_string: " Pineapple".into(), my_uint32: 0 }; [INFO] [stdout] 67 ~ let my_curry = my_new_instance.curry(lets_create_a_second_function, &mut binding); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0716`. [INFO] [stdout] [INFO] [stderr] error: could not compile `functional_tests` (bin "functional_tests" test) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "32d92bc5d770a27abdc85087f6f2b17fd43a032066c279a937e4be4ecac88692", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "32d92bc5d770a27abdc85087f6f2b17fd43a032066c279a937e4be4ecac88692", kill_on_drop: false }` [INFO] [stdout] 32d92bc5d770a27abdc85087f6f2b17fd43a032066c279a937e4be4ecac88692