[INFO] cloning repository https://github.com/anookinov-training-ground/rust_lifetimes [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/anookinov-training-ground/rust_lifetimes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanookinov-training-ground%2Frust_lifetimes", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanookinov-training-ground%2Frust_lifetimes'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 10c0a615ceb33e8d06e24aceab4ac0846ca18c6b [INFO] testing anookinov-training-ground/rust_lifetimes against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanookinov-training-ground%2Frust_lifetimes" "/workspace/builds/worker-74/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-74/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/anookinov-training-ground/rust_lifetimes on toolchain 722e1797249a965b6335aebd65d777f917e498f1 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/anookinov-training-ground/rust_lifetimes [INFO] finished tweaking git repo https://github.com/anookinov-training-ground/rust_lifetimes [INFO] tweaked toml for git repo https://github.com/anookinov-training-ground/rust_lifetimes written to /workspace/builds/worker-74/source/Cargo.toml [INFO] crate git repo https://github.com/anookinov-training-ground/rust_lifetimes already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 32893d199cd303029479d635259ee0d4fc57a8d981ee4cc774d04e9d81048607 [INFO] running `Command { std: "docker" "start" "-a" "32893d199cd303029479d635259ee0d4fc57a8d981ee4cc774d04e9d81048607", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "32893d199cd303029479d635259ee0d4fc57a8d981ee4cc774d04e9d81048607", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "32893d199cd303029479d635259ee0d4fc57a8d981ee4cc774d04e9d81048607", kill_on_drop: false }` [INFO] [stdout] 32893d199cd303029479d635259ee0d4fc57a8d981ee4cc774d04e9d81048607 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 56411e83bff3177f7920e14697053280daeeaa5f1640da305c9962d54bf00f55 [INFO] running `Command { std: "docker" "start" "-a" "56411e83bff3177f7920e14697053280daeeaa5f1640da305c9962d54bf00f55", kill_on_drop: false }` [INFO] [stderr] Compiling lifetimes v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/main.rs:123:30 [INFO] [stdout] | [INFO] [stdout] 123 | fn longest_x<'a>(x: &'a str, y: &str) -> &'a str { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `part` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | part: &'a str, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `first_word_pre` [INFO] [stdout] --> src/main.rs:16:4 [INFO] [stdout] | [INFO] [stdout] 16 | fn first_word_pre<'a>(s: &'a str) -> &'a str { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `first_word` [INFO] [stdout] --> src/main.rs:27:4 [INFO] [stdout] | [INFO] [stdout] 27 | fn first_word(s: &str) -> &str { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `level` [INFO] [stdout] --> src/main.rs:39:8 [INFO] [stdout] | [INFO] [stdout] 39 | fn level(&self) -> i32 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `annouce_and_return_part` [INFO] [stdout] --> src/main.rs:43:8 [INFO] [stdout] | [INFO] [stdout] 43 | fn annouce_and_return_part(&self, annoucement: &str) -> &str { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `longest_with_an_annoucement` [INFO] [stdout] --> src/main.rs:52:4 [INFO] [stdout] | [INFO] [stdout] 52 | fn longest_with_an_annoucement<'a, T>( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `longest_x` [INFO] [stdout] --> src/main.rs:123:4 [INFO] [stdout] | [INFO] [stdout] 123 | fn longest_x<'a>(x: &'a str, y: &str) -> &'a str { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.59s [INFO] running `Command { std: "docker" "inspect" "56411e83bff3177f7920e14697053280daeeaa5f1640da305c9962d54bf00f55", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "56411e83bff3177f7920e14697053280daeeaa5f1640da305c9962d54bf00f55", kill_on_drop: false }` [INFO] [stdout] 56411e83bff3177f7920e14697053280daeeaa5f1640da305c9962d54bf00f55 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] dba42f01173a6cd4915a312fb2ab5fd3062b875abbecb8ba8a2b9514fa9d7c81 [INFO] running `Command { std: "docker" "start" "-a" "dba42f01173a6cd4915a312fb2ab5fd3062b875abbecb8ba8a2b9514fa9d7c81", kill_on_drop: false }` [INFO] [stderr] Compiling lifetimes v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/main.rs:123:30 [INFO] [stdout] | [INFO] [stdout] 123 | fn longest_x<'a>(x: &'a str, y: &str) -> &'a str { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `part` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | part: &'a str, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `first_word_pre` [INFO] [stdout] --> src/main.rs:16:4 [INFO] [stdout] | [INFO] [stdout] 16 | fn first_word_pre<'a>(s: &'a str) -> &'a str { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `first_word` [INFO] [stdout] --> src/main.rs:27:4 [INFO] [stdout] | [INFO] [stdout] 27 | fn first_word(s: &str) -> &str { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `level` [INFO] [stdout] --> src/main.rs:39:8 [INFO] [stdout] | [INFO] [stdout] 39 | fn level(&self) -> i32 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `annouce_and_return_part` [INFO] [stdout] --> src/main.rs:43:8 [INFO] [stdout] | [INFO] [stdout] 43 | fn annouce_and_return_part(&self, annoucement: &str) -> &str { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `longest_with_an_annoucement` [INFO] [stdout] --> src/main.rs:52:4 [INFO] [stdout] | [INFO] [stdout] 52 | fn longest_with_an_annoucement<'a, T>( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `longest_x` [INFO] [stdout] --> src/main.rs:123:4 [INFO] [stdout] | [INFO] [stdout] 123 | fn longest_x<'a>(x: &'a str, y: &str) -> &'a str { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.33s [INFO] running `Command { std: "docker" "inspect" "dba42f01173a6cd4915a312fb2ab5fd3062b875abbecb8ba8a2b9514fa9d7c81", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dba42f01173a6cd4915a312fb2ab5fd3062b875abbecb8ba8a2b9514fa9d7c81", kill_on_drop: false }` [INFO] [stdout] dba42f01173a6cd4915a312fb2ab5fd3062b875abbecb8ba8a2b9514fa9d7c81 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 2d4c92b59d4dab3e90b736cae70fa92681f2503c785f50f347c40ffda674ce6a [INFO] running `Command { std: "docker" "start" "-a" "2d4c92b59d4dab3e90b736cae70fa92681f2503c785f50f347c40ffda674ce6a", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unused variable: `y` [INFO] [stderr] --> src/main.rs:123:30 [INFO] [stderr] | [INFO] [stderr] 123 | fn longest_x<'a>(x: &'a str, y: &str) -> &'a str { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `part` [INFO] [stderr] --> src/main.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | part: &'a str, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `first_word_pre` [INFO] [stderr] --> src/main.rs:16:4 [INFO] [stderr] | [INFO] [stderr] 16 | fn first_word_pre<'a>(s: &'a str) -> &'a str { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `first_word` [INFO] [stderr] --> src/main.rs:27:4 [INFO] [stderr] | [INFO] [stderr] 27 | fn first_word(s: &str) -> &str { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `level` [INFO] [stderr] --> src/main.rs:39:8 [INFO] [stderr] | [INFO] [stderr] 39 | fn level(&self) -> i32 { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `annouce_and_return_part` [INFO] [stderr] --> src/main.rs:43:8 [INFO] [stderr] | [INFO] [stderr] 43 | fn annouce_and_return_part(&self, annoucement: &str) -> &str { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `longest_with_an_annoucement` [INFO] [stderr] --> src/main.rs:52:4 [INFO] [stderr] | [INFO] [stderr] 52 | fn longest_with_an_annoucement<'a, T>( [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `longest_x` [INFO] [stderr] --> src/main.rs:123:4 [INFO] [stderr] | [INFO] [stderr] 123 | fn longest_x<'a>(x: &'a str, y: &str) -> &'a str { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `lifetimes` (bin "lifetimes" test) generated 8 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.46s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/lifetimes-95c706f4cae09319) [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" "2d4c92b59d4dab3e90b736cae70fa92681f2503c785f50f347c40ffda674ce6a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2d4c92b59d4dab3e90b736cae70fa92681f2503c785f50f347c40ffda674ce6a", kill_on_drop: false }` [INFO] [stdout] 2d4c92b59d4dab3e90b736cae70fa92681f2503c785f50f347c40ffda674ce6a