[INFO] cloning repository https://github.com/hyunmui/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/hyunmui/rust_lifetimes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhyunmui%2Frust_lifetimes", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhyunmui%2Frust_lifetimes'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a1f200159238cfae83d9266efb7f6d2b4d460712 [INFO] testing hyunmui/rust_lifetimes against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhyunmui%2Frust_lifetimes" "/workspace/builds/worker-17/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-17/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/hyunmui/rust_lifetimes on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/hyunmui/rust_lifetimes [INFO] finished tweaking git repo https://github.com/hyunmui/rust_lifetimes [INFO] tweaked toml for git repo https://github.com/hyunmui/rust_lifetimes written to /workspace/builds/worker-17/source/Cargo.toml [INFO] crate git repo https://github.com/hyunmui/rust_lifetimes already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d1c1a1188a78a5b148d60208c23b8f668c083d65df3d3d5201709809f90eced9 [INFO] running `Command { std: "docker" "start" "-a" "d1c1a1188a78a5b148d60208c23b8f668c083d65df3d3d5201709809f90eced9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d1c1a1188a78a5b148d60208c23b8f668c083d65df3d3d5201709809f90eced9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d1c1a1188a78a5b148d60208c23b8f668c083d65df3d3d5201709809f90eced9", kill_on_drop: false }` [INFO] [stdout] d1c1a1188a78a5b148d60208c23b8f668c083d65df3d3d5201709809f90eced9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f64c0d97298be31da8b638f7d1e81c87819babe1f6c49256c839e17fae849b9a [INFO] running `Command { std: "docker" "start" "-a" "f64c0d97298be31da8b638f7d1e81c87819babe1f6c49256c839e17fae849b9a", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling rust_lifetimes v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:45:9 [INFO] [stdout] | [INFO] [stdout] 45 | let i = ImportantExcerpt { part: first_sentence }; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/main.rs:48:9 [INFO] [stdout] | [INFO] [stdout] 48 | let s: &'static str = "이 문자열은 정적 수명이다."; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `part` [INFO] [stdout] --> src/main.rs:61:5 [INFO] [stdout] | [INFO] [stdout] 61 | part: &'a str, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `level` [INFO] [stdout] --> src/main.rs:65:8 [INFO] [stdout] | [INFO] [stdout] 65 | fn level(&self) -> i32 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `announce_and_return_part` [INFO] [stdout] --> src/main.rs:69:8 [INFO] [stdout] | [INFO] [stdout] 69 | fn announce_and_return_part(&self, announcement: &str) -> &str { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `longest_with_an_announcement` [INFO] [stdout] --> src/main.rs:75:4 [INFO] [stdout] | [INFO] [stdout] 75 | fn longest_with_an_announcement<'a, T>(x: &'a str, y: &'a str, ann: T) -> &'a str where T: Display { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 12.49s [INFO] running `Command { std: "docker" "inspect" "f64c0d97298be31da8b638f7d1e81c87819babe1f6c49256c839e17fae849b9a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f64c0d97298be31da8b638f7d1e81c87819babe1f6c49256c839e17fae849b9a", kill_on_drop: false }` [INFO] [stdout] f64c0d97298be31da8b638f7d1e81c87819babe1f6c49256c839e17fae849b9a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7fbb07a46a71ab69b8092a271a4b66fe4656a088d3b3203aed846fbf9ea4e228 [INFO] running `Command { std: "docker" "start" "-a" "7fbb07a46a71ab69b8092a271a4b66fe4656a088d3b3203aed846fbf9ea4e228", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling rust_lifetimes v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:45:9 [INFO] [stdout] | [INFO] [stdout] 45 | let i = ImportantExcerpt { part: first_sentence }; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/main.rs:48:9 [INFO] [stdout] | [INFO] [stdout] 48 | let s: &'static str = "이 문자열은 정적 수명이다."; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `part` [INFO] [stdout] --> src/main.rs:61:5 [INFO] [stdout] | [INFO] [stdout] 61 | part: &'a str, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `level` [INFO] [stdout] --> src/main.rs:65:8 [INFO] [stdout] | [INFO] [stdout] 65 | fn level(&self) -> i32 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `announce_and_return_part` [INFO] [stdout] --> src/main.rs:69:8 [INFO] [stdout] | [INFO] [stdout] 69 | fn announce_and_return_part(&self, announcement: &str) -> &str { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `longest_with_an_announcement` [INFO] [stdout] --> src/main.rs:75:4 [INFO] [stdout] | [INFO] [stdout] 75 | fn longest_with_an_announcement<'a, T>(x: &'a str, y: &'a str, ann: T) -> &'a str where T: Display { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.56s [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_lifetimes-e5c34cf6a4ec4b2d) [INFO] running `Command { std: "docker" "inspect" "7fbb07a46a71ab69b8092a271a4b66fe4656a088d3b3203aed846fbf9ea4e228", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7fbb07a46a71ab69b8092a271a4b66fe4656a088d3b3203aed846fbf9ea4e228", kill_on_drop: false }` [INFO] [stdout] 7fbb07a46a71ab69b8092a271a4b66fe4656a088d3b3203aed846fbf9ea4e228 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 616ce6d19aa99f60acb2464d6abdffc323d5f0f66a76074b9179eea343269f98 [INFO] running `Command { std: "docker" "start" "-a" "616ce6d19aa99f60acb2464d6abdffc323d5f0f66a76074b9179eea343269f98", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: unused variable: `i` [INFO] [stdout] running 0 tests [INFO] [stderr] --> src/main.rs:45:9 [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] 45 | let i = ImportantExcerpt { part: first_sentence }; [INFO] [stdout] [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `s` [INFO] [stderr] --> src/main.rs:48:9 [INFO] [stderr] | [INFO] [stderr] 48 | let s: &'static str = "이 문자열은 정적 수명이다."; [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stderr] [INFO] [stderr] warning: field is never read: `part` [INFO] [stderr] --> src/main.rs:61:5 [INFO] [stderr] | [INFO] [stderr] 61 | part: &'a str, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `level` [INFO] [stderr] --> src/main.rs:65:8 [INFO] [stderr] | [INFO] [stderr] 65 | fn level(&self) -> i32 { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `announce_and_return_part` [INFO] [stderr] --> src/main.rs:69:8 [INFO] [stderr] | [INFO] [stderr] 69 | fn announce_and_return_part(&self, announcement: &str) -> &str { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `longest_with_an_announcement` [INFO] [stderr] --> src/main.rs:75:4 [INFO] [stderr] | [INFO] [stderr] 75 | fn longest_with_an_announcement<'a, T>(x: &'a str, y: &'a str, ann: T) -> &'a str where T: Display { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `rust_lifetimes` (bin "rust_lifetimes" test) generated 6 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 3.12s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_lifetimes-e5c34cf6a4ec4b2d) [INFO] running `Command { std: "docker" "inspect" "616ce6d19aa99f60acb2464d6abdffc323d5f0f66a76074b9179eea343269f98", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "616ce6d19aa99f60acb2464d6abdffc323d5f0f66a76074b9179eea343269f98", kill_on_drop: false }` [INFO] [stdout] 616ce6d19aa99f60acb2464d6abdffc323d5f0f66a76074b9179eea343269f98