[INFO] cloning repository https://github.com/matzemathics/container_trait_stuff [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/matzemathics/container_trait_stuff" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatzemathics%2Fcontainer_trait_stuff", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatzemathics%2Fcontainer_trait_stuff'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c83c63724585e52f63aaeae012e2441a94ba84db [INFO] checking matzemathics/container_trait_stuff against master#e9182f195b8505c87c4bd055b9f6e114ccda0981 for pr-144098 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatzemathics%2Fcontainer_trait_stuff" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/matzemathics/container_trait_stuff [INFO] finished tweaking git repo https://github.com/matzemathics/container_trait_stuff [INFO] tweaked toml for git repo https://github.com/matzemathics/container_trait_stuff written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/matzemathics/container_trait_stuff on toolchain e9182f195b8505c87c4bd055b9f6e114ccda0981 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e9182f195b8505c87c4bd055b9f6e114ccda0981" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/matzemathics/container_trait_stuff 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" "+e9182f195b8505c87c4bd055b9f6e114ccda0981" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+e9182f195b8505c87c4bd055b9f6e114ccda0981" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a9bc2aa2b993479c9587ea74de29def2275750f2e87fa10aa839ea035fa2ce11 [INFO] running `Command { std: "docker" "start" "-a" "a9bc2aa2b993479c9587ea74de29def2275750f2e87fa10aa839ea035fa2ce11", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a9bc2aa2b993479c9587ea74de29def2275750f2e87fa10aa839ea035fa2ce11", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a9bc2aa2b993479c9587ea74de29def2275750f2e87fa10aa839ea035fa2ce11", kill_on_drop: false }` [INFO] [stdout] a9bc2aa2b993479c9587ea74de29def2275750f2e87fa10aa839ea035fa2ce11 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+e9182f195b8505c87c4bd055b9f6e114ccda0981" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1a2d053449962d0233af777f7956c6fd1e3c0d054bf67775431adc748631f691 [INFO] running `Command { std: "docker" "start" "-a" "1a2d053449962d0233af777f7956c6fd1e3c0d054bf67775431adc748631f691", kill_on_drop: false }` [INFO] [stderr] Checking trait_stuff v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variant `U64` is never constructed [INFO] [stdout] --> src/main.rs:52:5 [INFO] [stdout] | [INFO] [stdout] 50 | enum StorageTypeName { [INFO] [stdout] | --------------- variant in this enum [INFO] [stdout] 51 | U32, [INFO] [stdout] 52 | U64 [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `StorageTypeName` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `apply_mut` is never used [INFO] [stdout] --> src/main.rs:63:8 [INFO] [stdout] | [INFO] [stdout] 61 | trait ContainerOpMut { [INFO] [stdout] | -------------- method in this trait [INFO] [stdout] 62 | type OpRes: ContainerFam; [INFO] [stdout] 63 | fn apply_mut(self, input: &mut Fam::Container) -> [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `ContainerFrom` is never used [INFO] [stdout] --> src/main.rs:72:7 [INFO] [stdout] | [INFO] [stdout] 72 | trait ContainerFrom : ContainerFam { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `into_inner` is never used [INFO] [stdout] --> src/main.rs:86:8 [INFO] [stdout] | [INFO] [stdout] 82 | trait ContainerOf { [INFO] [stdout] | ----------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 86 | fn into_inner(self) -> Option<::Container>; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `get_type` and `build_into` are never used [INFO] [stdout] --> src/main.rs:131:8 [INFO] [stdout] | [INFO] [stdout] 121 | impl MonContainer { [INFO] [stdout] | ----------------------------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 131 | fn get_type(&self) -> StorageTypeName { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 145 | fn build_into>(self, args: F::FromArgs) -> MonContainer { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `is_some` is never used [INFO] [stdout] --> src/main.rs:261:29 [INFO] [stdout] | [INFO] [stdout] 250 | impl MonContainer<$fam> { [INFO] [stdout] | ----------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 261 | const_op!(IsSome = OptionF::is_some() -> ConstF); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `const_op` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `unwrap` is never used [INFO] [stdout] --> src/main.rs:262:29 [INFO] [stdout] | [INFO] [stdout] 250 | impl MonContainer<$fam> { [INFO] [stdout] | ----------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 262 | const_op!(Unwrap = OptionF::unwrap() -> StorageValueF); [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `const_op` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `U64` is never constructed [INFO] [stdout] --> src/main.rs:52:5 [INFO] [stdout] | [INFO] [stdout] 50 | enum StorageTypeName { [INFO] [stdout] | --------------- variant in this enum [INFO] [stdout] 51 | U32, [INFO] [stdout] 52 | U64 [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `StorageTypeName` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `apply_mut` is never used [INFO] [stdout] --> src/main.rs:63:8 [INFO] [stdout] | [INFO] [stdout] 61 | trait ContainerOpMut { [INFO] [stdout] | -------------- method in this trait [INFO] [stdout] 62 | type OpRes: ContainerFam; [INFO] [stdout] 63 | fn apply_mut(self, input: &mut Fam::Container) -> [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `ContainerFrom` is never used [INFO] [stdout] --> src/main.rs:72:7 [INFO] [stdout] | [INFO] [stdout] 72 | trait ContainerFrom : ContainerFam { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `into_inner` is never used [INFO] [stdout] --> src/main.rs:86:8 [INFO] [stdout] | [INFO] [stdout] 82 | trait ContainerOf { [INFO] [stdout] | ----------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 86 | fn into_inner(self) -> Option<::Container>; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `get_type` and `build_into` are never used [INFO] [stdout] --> src/main.rs:131:8 [INFO] [stdout] | [INFO] [stdout] 121 | impl MonContainer { [INFO] [stdout] | ----------------------------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 131 | fn get_type(&self) -> StorageTypeName { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 145 | fn build_into>(self, args: F::FromArgs) -> MonContainer { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `is_some` is never used [INFO] [stdout] --> src/main.rs:261:29 [INFO] [stdout] | [INFO] [stdout] 250 | impl MonContainer<$fam> { [INFO] [stdout] | ----------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 261 | const_op!(IsSome = OptionF::is_some() -> ConstF); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `const_op` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `unwrap` is never used [INFO] [stdout] --> src/main.rs:262:29 [INFO] [stdout] | [INFO] [stdout] 250 | impl MonContainer<$fam> { [INFO] [stdout] | ----------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 262 | const_op!(Unwrap = OptionF::unwrap() -> StorageValueF); [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `const_op` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s [INFO] running `Command { std: "docker" "inspect" "1a2d053449962d0233af777f7956c6fd1e3c0d054bf67775431adc748631f691", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1a2d053449962d0233af777f7956c6fd1e3c0d054bf67775431adc748631f691", kill_on_drop: false }` [INFO] [stdout] 1a2d053449962d0233af777f7956c6fd1e3c0d054bf67775431adc748631f691