[INFO] fetching crate lru2 0.1.0... [INFO] testing lru2-0.1.0 against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409 [INFO] extracting crate lru2 0.1.0 into /workspace/builds/worker-3/source [INFO] validating manifest of crates.io crate lru2 0.1.0 on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate lru2 0.1.0 [INFO] finished tweaking crates.io crate lru2 0.1.0 [INFO] tweaked toml for crates.io crate lru2 0.1.0 written to /workspace/builds/worker-3/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 91fce444df0651c612bdee12f8b9b52df12745b11e6098930090db49d0c6a5a6 [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" "91fce444df0651c612bdee12f8b9b52df12745b11e6098930090db49d0c6a5a6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "91fce444df0651c612bdee12f8b9b52df12745b11e6098930090db49d0c6a5a6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "91fce444df0651c612bdee12f8b9b52df12745b11e6098930090db49d0c6a5a6", kill_on_drop: false }` [INFO] [stdout] 91fce444df0651c612bdee12f8b9b52df12745b11e6098930090db49d0c6a5a6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "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] 209b7a6e55d0e55c1834a2433cbb39e83625da217b38ebfa1e151ca15e3a4f66 [INFO] running `Command { std: "docker" "start" "-a" "209b7a6e55d0e55c1834a2433cbb39e83625da217b38ebfa1e151ca15e3a4f66", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.73 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling rand v0.3.23 [INFO] [stderr] Compiling lru2 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/cache/mod.rs:50:21 [INFO] [stdout] | [INFO] [stdout] 50 | let mut cache: &mut Register = unsafe{ &mut **pcache }; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/cache/mod.rs:57:13 [INFO] [stdout] | [INFO] [stdout] 57 | let mut cache: &mut Register = unsafe{ &mut **self.register.get(upper_key).unwrap() }; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.21s [INFO] running `Command { std: "docker" "inspect" "209b7a6e55d0e55c1834a2433cbb39e83625da217b38ebfa1e151ca15e3a4f66", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "209b7a6e55d0e55c1834a2433cbb39e83625da217b38ebfa1e151ca15e3a4f66", kill_on_drop: false }` [INFO] [stdout] 209b7a6e55d0e55c1834a2433cbb39e83625da217b38ebfa1e151ca15e3a4f66 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 54187856daf4d81738d71dd83cb46bd539972877f9146b42374a805d4b5924b7 [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" "54187856daf4d81738d71dd83cb46bd539972877f9146b42374a805d4b5924b7", kill_on_drop: false }` [INFO] [stderr] Compiling lru2 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/cache/mod.rs:50:21 [INFO] [stdout] | [INFO] [stdout] 50 | let mut cache: &mut Register = unsafe{ &mut **pcache }; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/cache/mod.rs:57:13 [INFO] [stdout] | [INFO] [stdout] 57 | let mut cache: &mut Register = unsafe{ &mut **self.register.get(upper_key).unwrap() }; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/cache/mod.rs:50:21 [INFO] [stdout] | [INFO] [stdout] 50 | let mut cache: &mut Register = unsafe{ &mut **pcache }; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/cache/mod.rs:57:13 [INFO] [stdout] | [INFO] [stdout] 57 | let mut cache: &mut Register = unsafe{ &mut **self.register.get(upper_key).unwrap() }; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.94s [INFO] running `Command { std: "docker" "inspect" "54187856daf4d81738d71dd83cb46bd539972877f9146b42374a805d4b5924b7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "54187856daf4d81738d71dd83cb46bd539972877f9146b42374a805d4b5924b7", kill_on_drop: false }` [INFO] [stdout] 54187856daf4d81738d71dd83cb46bd539972877f9146b42374a805d4b5924b7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "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] 8cb152e43012cded39cd00860393298ebc06eba84a2ff3384c3aaec4656d42e3 [INFO] running `Command { std: "docker" "start" "-a" "8cb152e43012cded39cd00860393298ebc06eba84a2ff3384c3aaec4656d42e3", kill_on_drop: false }` [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/cache/mod.rs:50:21 [INFO] [stderr] | [INFO] [stderr] 50 | let mut cache: &mut Register = unsafe{ &mut **pcache }; [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/cache/mod.rs:57:13 [INFO] [stderr] | [INFO] [stderr] 57 | let mut cache: &mut Register = unsafe{ &mut **self.register.get(upper_key).unwrap() }; [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/cache/mod.rs:50:21 [INFO] [stderr] | [INFO] [stderr] 50 | let mut cache: &mut Register = unsafe{ &mut **pcache }; [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/cache/mod.rs:57:13 [INFO] [stderr] | [INFO] [stderr] 57 | let mut cache: &mut Register = unsafe{ &mut **self.register.get(upper_key).unwrap() }; [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/lru2-ced67a4dec0223ee [INFO] [stdout] [INFO] [stdout] running 28 tests [INFO] [stdout] test cache::test::has_empty ... ok [INFO] [stdout] test cache::test::has_one ... ok [INFO] [stdout] test cache::bench::best_cache_hit ... ok [INFO] [stdout] test cache::bench::random_u32_constrained_to_50 ... ok [INFO] [stdout] test cache::bench::has_empty ... ok [INFO] [stdout] test register::initialize_2 ... ok [INFO] [stdout] test cache::bench::random_u32_constrained_to_500 ... ok [INFO] [stdout] test cache::bench::random_u32_constrained_to_400 ... ok [INFO] [stdout] test cache::initialize_registers ... ok [INFO] [stdout] test cache::test::set_again ... ok [INFO] [stdout] test register::test::get_empty ... ok [INFO] [stdout] test cache::test::get_empty ... ok [INFO] [stdout] test cache::test::set_one ... ok [INFO] [stdout] test cache::test::integration ... ok [INFO] [stdout] test register::test::get_one ... ok [INFO] [stdout] test cache::test::get_one ... ok [INFO] [stdout] test register::initialize_100 ... ok [INFO] [stdout] test register::test::reset ... ok [INFO] [stdout] test register::test::set_again ... ok [INFO] [stdout] test register::test::get_many ... ok [INFO] [stdout] test register::test::set_many ... ok [INFO] [stdout] test register::test::set_one ... ok [INFO] [stdout] test cache::bench::random_u32 ... ok [INFO] [stdout] test register::initialize_with_1 ... ok [INFO] [stdout] test register::initialize_with_0 ... ok [INFO] [stdout] test cache::bench::random_u32_constrained_to_50_get ... ok [INFO] [stdout] test cache::bench::random_u32_constrained_to_400_get ... ok [INFO] [stdout] test cache::bench::random_u32_constrained_to_500_get ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 28 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Doc-tests lru2 [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" "8cb152e43012cded39cd00860393298ebc06eba84a2ff3384c3aaec4656d42e3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8cb152e43012cded39cd00860393298ebc06eba84a2ff3384c3aaec4656d42e3", kill_on_drop: false }` [INFO] [stdout] 8cb152e43012cded39cd00860393298ebc06eba84a2ff3384c3aaec4656d42e3