[INFO] cloning repository https://github.com/jjahn504/rust_hello [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jjahn504/rust_hello" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjjahn504%2Frust_hello", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjjahn504%2Frust_hello'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8ee797e1f61e5ba65ca1c611b87ad5706be7f5b2 [INFO] testing jjahn504/rust_hello against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjjahn504%2Frust_hello" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/jjahn504/rust_hello [INFO] finished tweaking git repo https://github.com/jjahn504/rust_hello [INFO] tweaked toml for git repo https://github.com/jjahn504/rust_hello written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/jjahn504/rust_hello on toolchain 562dee4820c458d823175268e41601d4c060588a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/jjahn504/rust_hello 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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded mio v1.0.3 [INFO] [stderr] Downloaded random v0.14.0 [INFO] [stderr] Downloaded redox_syscall v0.5.8 [INFO] [stderr] Downloaded unicode-ident v1.0.14 [INFO] [stderr] Downloaded proc-macro2 v1.0.92 [INFO] [stderr] Downloaded socket2 v0.5.8 [INFO] [stderr] Downloaded bytes v1.9.0 [INFO] [stderr] Downloaded portable-atomic v1.10.0 [INFO] [stderr] Downloaded syn v2.0.90 [INFO] [stderr] Downloaded ndarray v0.16.1 [INFO] [stderr] Downloaded libc v0.2.168 [INFO] [stderr] Downloaded tokio v1.42.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2045aba5eec7bc0568fd6f6342355efdc98bb70285ff7cdd74e945b76f8ae29c [INFO] running `Command { std: "docker" "start" "-a" "2045aba5eec7bc0568fd6f6342355efdc98bb70285ff7cdd74e945b76f8ae29c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2045aba5eec7bc0568fd6f6342355efdc98bb70285ff7cdd74e945b76f8ae29c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2045aba5eec7bc0568fd6f6342355efdc98bb70285ff7cdd74e945b76f8ae29c", kill_on_drop: false }` [INFO] [stdout] 2045aba5eec7bc0568fd6f6342355efdc98bb70285ff7cdd74e945b76f8ae29c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6eead724903705c45cf7a82afb8639c5b09cdd2f7b9aa6bb6edaef6967c93aa3 [INFO] running `Command { std: "docker" "start" "-a" "6eead724903705c45cf7a82afb8639c5b09cdd2f7b9aa6bb6edaef6967c93aa3", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.4.0 [INFO] [stderr] Compiling libc v0.2.168 [INFO] [stderr] Compiling proc-macro2 v1.0.92 [INFO] [stderr] Compiling unicode-ident v1.0.14 [INFO] [stderr] Compiling parking_lot_core v0.9.10 [INFO] [stderr] Compiling smallvec v1.13.2 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling pin-project-lite v0.2.15 [INFO] [stderr] Compiling bytes v1.9.0 [INFO] [stderr] Compiling random v0.14.0 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling lock_api v0.4.12 [INFO] [stderr] Compiling matrixmultiply v0.3.9 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Compiling syn v2.0.90 [INFO] [stderr] Compiling socket2 v0.5.8 [INFO] [stderr] Compiling signal-hook-registry v1.4.2 [INFO] [stderr] Compiling mio v1.0.3 [INFO] [stderr] Compiling parking_lot v0.12.3 [INFO] [stderr] Compiling num-integer v0.1.46 [INFO] [stderr] Compiling num-complex v0.4.6 [INFO] [stderr] Compiling ndarray v0.16.1 [INFO] [stderr] Compiling tokio-macros v2.4.0 [INFO] [stderr] Compiling tokio v1.42.0 [INFO] [stderr] Compiling hello v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: type `Dog_2` should have an upper camel case name [INFO] [stdout] --> src/main.rs:167:8 [INFO] [stdout] | [INFO] [stdout] 167 | struct Dog_2; [INFO] [stdout] | ^^^^^ help: convert the identifier to upper camel case: `Dog2` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `Cat_2` should have an upper camel case name [INFO] [stdout] --> src/main.rs:168:8 [INFO] [stdout] | [INFO] [stdout] 168 | struct Cat_2; [INFO] [stdout] | ^^^^^ help: convert the identifier to upper camel case: `Cat2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static `APP_NAME` is never used [INFO] [stdout] --> src/main.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 6 | static APP_NAME: &str = "MyApp"; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Rectangle` is never constructed [INFO] [stdout] --> src/main.rs:63:8 [INFO] [stdout] | [INFO] [stdout] 63 | struct Rectangle { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `area`, and `can_hold` are never used [INFO] [stdout] --> src/main.rs:68:8 [INFO] [stdout] | [INFO] [stdout] 67 | impl Rectangle { [INFO] [stdout] | -------------- associated items in this implementation [INFO] [stdout] 68 | fn new(width: u32, height: u32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 71 | fn area(&self) -> u32 { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 74 | fn can_hold(&self, other: &Rectangle) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/main.rs:80:24 [INFO] [stdout] | [INFO] [stdout] 80 | fn process_data(input: &str) -> Cow { [INFO] [stdout] | ^^^^ ^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 80 | fn process_data(input: &str) -> Cow<'_, str> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/main.rs:153:26 [INFO] [stdout] | [INFO] [stdout] 153 | fn process_data_3(input: &str) -> Cow { [INFO] [stdout] | ^^^^ ^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 153 | fn process_data_3(input: &str) -> Cow<'_, str> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 28.05s [INFO] running `Command { std: "docker" "inspect" "6eead724903705c45cf7a82afb8639c5b09cdd2f7b9aa6bb6edaef6967c93aa3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6eead724903705c45cf7a82afb8639c5b09cdd2f7b9aa6bb6edaef6967c93aa3", kill_on_drop: false }` [INFO] [stdout] 6eead724903705c45cf7a82afb8639c5b09cdd2f7b9aa6bb6edaef6967c93aa3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 88c52da1755483b2f45a3c1d430bb44620a89a89fdf00c4fa5efe392fc9890d7 [INFO] running `Command { std: "docker" "start" "-a" "88c52da1755483b2f45a3c1d430bb44620a89a89fdf00c4fa5efe392fc9890d7", kill_on_drop: false }` [INFO] [stderr] Compiling hello v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: type `Dog_2` should have an upper camel case name [INFO] [stdout] --> src/main.rs:167:8 [INFO] [stdout] | [INFO] [stdout] 167 | struct Dog_2; [INFO] [stdout] | ^^^^^ help: convert the identifier to upper camel case: `Dog2` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `Cat_2` should have an upper camel case name [INFO] [stdout] --> src/main.rs:168:8 [INFO] [stdout] | [INFO] [stdout] 168 | struct Cat_2; [INFO] [stdout] | ^^^^^ help: convert the identifier to upper camel case: `Cat2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static `APP_NAME` is never used [INFO] [stdout] --> src/main.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 6 | static APP_NAME: &str = "MyApp"; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Rectangle` is never constructed [INFO] [stdout] --> src/main.rs:63:8 [INFO] [stdout] | [INFO] [stdout] 63 | struct Rectangle { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `area`, and `can_hold` are never used [INFO] [stdout] --> src/main.rs:68:8 [INFO] [stdout] | [INFO] [stdout] 67 | impl Rectangle { [INFO] [stdout] | -------------- associated items in this implementation [INFO] [stdout] 68 | fn new(width: u32, height: u32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 71 | fn area(&self) -> u32 { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 74 | fn can_hold(&self, other: &Rectangle) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/main.rs:80:24 [INFO] [stdout] | [INFO] [stdout] 80 | fn process_data(input: &str) -> Cow { [INFO] [stdout] | ^^^^ ^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 80 | fn process_data(input: &str) -> Cow<'_, str> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/main.rs:153:26 [INFO] [stdout] | [INFO] [stdout] 153 | fn process_data_3(input: &str) -> Cow { [INFO] [stdout] | ^^^^ ^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 153 | fn process_data_3(input: &str) -> Cow<'_, str> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.56s [INFO] running `Command { std: "docker" "inspect" "88c52da1755483b2f45a3c1d430bb44620a89a89fdf00c4fa5efe392fc9890d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "88c52da1755483b2f45a3c1d430bb44620a89a89fdf00c4fa5efe392fc9890d7", kill_on_drop: false }` [INFO] [stdout] 88c52da1755483b2f45a3c1d430bb44620a89a89fdf00c4fa5efe392fc9890d7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] ebfb3df73db2e7b0cbc286271cc369b490c83acac4b8d49a57f980df04018f49 [INFO] running `Command { std: "docker" "start" "-a" "ebfb3df73db2e7b0cbc286271cc369b490c83acac4b8d49a57f980df04018f49", kill_on_drop: false }` [INFO] [stderr] warning: type `Dog_2` should have an upper camel case name [INFO] [stderr] --> src/main.rs:167:8 [INFO] [stderr] | [INFO] [stderr] 167 | struct Dog_2; [INFO] [stderr] | ^^^^^ help: convert the identifier to upper camel case: `Dog2` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: type `Cat_2` should have an upper camel case name [INFO] [stderr] --> src/main.rs:168:8 [INFO] [stderr] | [INFO] [stderr] 168 | struct Cat_2; [INFO] [stderr] | ^^^^^ help: convert the identifier to upper camel case: `Cat2` [INFO] [stderr] [INFO] [stderr] warning: static `APP_NAME` is never used [INFO] [stderr] --> src/main.rs:6:8 [INFO] [stderr] | [INFO] [stderr] 6 | static APP_NAME: &str = "MyApp"; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: struct `Rectangle` is never constructed [INFO] [stderr] --> src/main.rs:63:8 [INFO] [stderr] | [INFO] [stderr] 63 | struct Rectangle { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated items `new`, `area`, and `can_hold` are never used [INFO] [stderr] --> src/main.rs:68:8 [INFO] [stderr] | [INFO] [stderr] 67 | impl Rectangle { [INFO] [stderr] | -------------- associated items in this implementation [INFO] [stderr] 68 | fn new(width: u32, height: u32) -> Self { [INFO] [stderr] | ^^^ [INFO] [stderr] ... [INFO] [stderr] 71 | fn area(&self) -> u32 { [INFO] [stderr] | ^^^^ [INFO] [stderr] ... [INFO] [stderr] 74 | fn can_hold(&self, other: &Rectangle) -> bool { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/main.rs:80:24 [INFO] [stderr] | [INFO] [stderr] 80 | fn process_data(input: &str) -> Cow { [INFO] [stderr] | ^^^^ ^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 80 | fn process_data(input: &str) -> Cow<'_, str> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/main.rs:153:26 [INFO] [stderr] | [INFO] [stderr] 153 | fn process_data_3(input: &str) -> Cow { [INFO] [stderr] | ^^^^ ^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 153 | fn process_data_3(input: &str) -> Cow<'_, str> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: `hello` (bin "hello" test) generated 7 warnings (run `cargo fix --bin "hello" -p hello --tests` to apply 2 suggestions) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/hello-668daf361701f57c) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "ebfb3df73db2e7b0cbc286271cc369b490c83acac4b8d49a57f980df04018f49", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ebfb3df73db2e7b0cbc286271cc369b490c83acac4b8d49a57f980df04018f49", kill_on_drop: false }` [INFO] [stdout] ebfb3df73db2e7b0cbc286271cc369b490c83acac4b8d49a57f980df04018f49