[INFO] cloning repository https://github.com/bodagovsky/LFUcache [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bodagovsky/LFUcache" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbodagovsky%2FLFUcache", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbodagovsky%2FLFUcache'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c30840f7492a657be08f520ac7fa707dcecb6d72 [INFO] testing bodagovsky/LFUcache against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbodagovsky%2FLFUcache" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/bodagovsky/LFUcache on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/bodagovsky/LFUcache [INFO] finished tweaking git repo https://github.com/bodagovsky/LFUcache [INFO] tweaked toml for git repo https://github.com/bodagovsky/LFUcache written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/bodagovsky/LFUcache already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9cf6e25baeb6d3b98fde84315c63a59697cf86a62aadbc20d392fe2c916b01f4 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "9cf6e25baeb6d3b98fde84315c63a59697cf86a62aadbc20d392fe2c916b01f4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9cf6e25baeb6d3b98fde84315c63a59697cf86a62aadbc20d392fe2c916b01f4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9cf6e25baeb6d3b98fde84315c63a59697cf86a62aadbc20d392fe2c916b01f4", kill_on_drop: false }` [INFO] [stdout] 9cf6e25baeb6d3b98fde84315c63a59697cf86a62aadbc20d392fe2c916b01f4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] d03f8d4b8880eff7e9f36dac053caa332e9b78c28112234c626516be4c889068 [INFO] running `Command { std: "docker" "start" "-a" "d03f8d4b8880eff7e9f36dac053caa332e9b78c28112234c626516be4c889068", kill_on_drop: false }` [INFO] [stderr] Compiling lfu v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: module `LFU` should have a snake case name [INFO] [stdout] --> src/cache.rs:1:9 [INFO] [stdout] | [INFO] [stdout] 1 | pub mod LFU { [INFO] [stdout] | ^^^ help: convert the identifier to snake case: `lfu` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/cache.rs:46:13 [INFO] [stdout] | [INFO] [stdout] 46 | write!(f, "length: {}\n", self.len); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/cache.rs:47:13 [INFO] [stdout] | [INFO] [stdout] 47 | write!(f, "capacity: {}\n", self.cap); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/cache.rs:52:17 [INFO] [stdout] | [INFO] [stdout] 52 | / write!( [INFO] [stdout] 53 | | f, [INFO] [stdout] 54 | | "[ key: {}, value: {} ]", [INFO] [stdout] 55 | | ch.borrow().key, [INFO] [stdout] 56 | | ch.borrow().val [INFO] [stdout] 57 | | ); [INFO] [stdout] | |__________________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.40s [INFO] running `Command { std: "docker" "inspect" "d03f8d4b8880eff7e9f36dac053caa332e9b78c28112234c626516be4c889068", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d03f8d4b8880eff7e9f36dac053caa332e9b78c28112234c626516be4c889068", kill_on_drop: false }` [INFO] [stdout] d03f8d4b8880eff7e9f36dac053caa332e9b78c28112234c626516be4c889068 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2592b0411b01f46bdcb58baaadb20c33c3bfca5fb9d4356fa2e8171e4b26a251 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "2592b0411b01f46bdcb58baaadb20c33c3bfca5fb9d4356fa2e8171e4b26a251", kill_on_drop: false }` [INFO] [stderr] Compiling lfu v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: module `LFU` should have a snake case name [INFO] [stdout] --> src/cache.rs:1:9 [INFO] [stdout] | [INFO] [stdout] 1 | pub mod LFU { [INFO] [stdout] | ^^^ help: convert the identifier to snake case: `lfu` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/cache.rs:46:13 [INFO] [stdout] | [INFO] [stdout] 46 | write!(f, "length: {}\n", self.len); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/cache.rs:47:13 [INFO] [stdout] | [INFO] [stdout] 47 | write!(f, "capacity: {}\n", self.cap); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/cache.rs:52:17 [INFO] [stdout] | [INFO] [stdout] 52 | / write!( [INFO] [stdout] 53 | | f, [INFO] [stdout] 54 | | "[ key: {}, value: {} ]", [INFO] [stdout] 55 | | ch.borrow().key, [INFO] [stdout] 56 | | ch.borrow().val [INFO] [stdout] 57 | | ); [INFO] [stdout] | |__________________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.75s [INFO] running `Command { std: "docker" "inspect" "2592b0411b01f46bdcb58baaadb20c33c3bfca5fb9d4356fa2e8171e4b26a251", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2592b0411b01f46bdcb58baaadb20c33c3bfca5fb9d4356fa2e8171e4b26a251", kill_on_drop: false }` [INFO] [stdout] 2592b0411b01f46bdcb58baaadb20c33c3bfca5fb9d4356fa2e8171e4b26a251 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] cc552b5068a97ca04d6a8020f5cf90c10943f93230f36be165894b1b18af8d71 [INFO] running `Command { std: "docker" "start" "-a" "cc552b5068a97ca04d6a8020f5cf90c10943f93230f36be165894b1b18af8d71", kill_on_drop: false }` [INFO] [stderr] warning: module `LFU` should have a snake case name [INFO] [stderr] --> src/cache.rs:1:9 [INFO] [stderr] | [INFO] [stderr] 1 | pub mod LFU { [INFO] [stderr] | ^^^ help: convert the identifier to snake case: `lfu` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/cache.rs:46:13 [INFO] [stderr] | [INFO] [stderr] 46 | write!(f, "length: {}\n", self.len); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/cache.rs:47:13 [INFO] [stderr] | [INFO] [stderr] 47 | write!(f, "capacity: {}\n", self.cap); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/cache.rs:52:17 [INFO] [stderr] | [INFO] [stderr] 52 | / write!( [INFO] [stderr] 53 | | f, [INFO] [stderr] 54 | | "[ key: {}, value: {} ]", [INFO] [stderr] 55 | | ch.borrow().key, [INFO] [stderr] 56 | | ch.borrow().val [INFO] [stderr] 57 | | ); [INFO] [stderr] | |__________________^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/lfu-ff8d08a041a426cb [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 [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "cc552b5068a97ca04d6a8020f5cf90c10943f93230f36be165894b1b18af8d71", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cc552b5068a97ca04d6a8020f5cf90c10943f93230f36be165894b1b18af8d71", kill_on_drop: false }` [INFO] [stdout] cc552b5068a97ca04d6a8020f5cf90c10943f93230f36be165894b1b18af8d71