[INFO] updating cached repository https://github.com/frol/rust-benchmark-option-replace_with-rfc [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a79f0a3c095e82cb31849a723bc96b064ef944dc [INFO] testing frol/rust-benchmark-option-replace_with-rfc against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrol%2Frust-benchmark-option-replace_with-rfc" "/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/frol/rust-benchmark-option-replace_with-rfc 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/frol/rust-benchmark-option-replace_with-rfc [INFO] finished tweaking git repo https://github.com/frol/rust-benchmark-option-replace_with-rfc [INFO] tweaked toml for git repo https://github.com/frol/rust-benchmark-option-replace_with-rfc written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/frol/rust-benchmark-option-replace_with-rfc 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] 35fef92da82965640a0b4d07e7c0d2d1ac77f2cdbcda9e41a2aadc985f5cf466 [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" "35fef92da82965640a0b4d07e7c0d2d1ac77f2cdbcda9e41a2aadc985f5cf466", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "35fef92da82965640a0b4d07e7c0d2d1ac77f2cdbcda9e41a2aadc985f5cf466", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "35fef92da82965640a0b4d07e7c0d2d1ac77f2cdbcda9e41a2aadc985f5cf466", kill_on_drop: false }` [INFO] [stdout] 35fef92da82965640a0b4d07e7c0d2d1ac77f2cdbcda9e41a2aadc985f5cf466 [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] [stdout] ffa19dc14e7b2a449eaa706ab018d80edfb20f7f9339348c41d038a28c3fff51 [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" "ffa19dc14e7b2a449eaa706ab018d80edfb20f7f9339348c41d038a28c3fff51", 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] [stderr] Compiling libc v0.2.42 [INFO] [stderr] Compiling num-traits v0.2.5 [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Compiling cc v1.0.17 [INFO] [stderr] Compiling cfg-if v0.1.4 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling serde v1.0.68 [INFO] [stderr] Compiling byteorder v1.2.3 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Compiling ucd-util v0.1.1 [INFO] [stderr] Compiling lazy_static v1.0.1 [INFO] [stderr] Compiling unicode-width v0.1.5 [INFO] [stderr] Compiling pest v1.0.6 [INFO] [stderr] Compiling cast v0.2.2 [INFO] [stderr] Compiling rustc-demangle v0.1.8 [INFO] [stderr] Compiling itoa v0.4.1 [INFO] [stderr] Compiling dtoa v0.4.2 [INFO] [stderr] Compiling utf8-ranges v1.0.0 [INFO] [stderr] Compiling either v1.5.0 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling strsim v0.7.0 [INFO] [stderr] Compiling bitflags v1.0.3 [INFO] [stderr] Compiling thread-scoped v1.0.2 [INFO] [stderr] Compiling quick-error v1.2.2 [INFO] [stderr] Compiling vec_map v0.8.1 [INFO] [stderr] Compiling log v0.4.2 [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stderr] Compiling unreachable v1.0.0 [INFO] [stderr] Compiling proc-macro2 v0.4.6 [INFO] [stderr] Compiling regex-syntax v0.5.6 [INFO] [stderr] Compiling textwrap v0.10.0 [INFO] [stderr] Compiling term v0.5.1 [INFO] [stderr] Compiling itertools v0.7.8 [INFO] [stderr] Compiling thread_local v0.3.5 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Compiling memchr v2.0.1 [INFO] [stderr] Compiling time v0.1.40 [INFO] [stderr] Compiling atty v0.2.10 [INFO] [stderr] Compiling rand v0.4.2 [INFO] [stderr] Compiling num_cpus v1.8.0 [INFO] [stderr] Compiling aho-corasick v0.6.5 [INFO] [stderr] Compiling clap v2.32.0 [INFO] [stderr] Compiling quote v0.6.3 [INFO] [stderr] Compiling syn v0.14.2 [INFO] [stderr] Compiling backtrace-sys v0.1.23 [INFO] [stderr] Compiling criterion-plot v0.2.3 [INFO] [stderr] Compiling num-traits v0.1.43 [INFO] [stderr] Compiling criterion-stats v0.2.3 [INFO] [stderr] Compiling itertools-num v0.1.1 [INFO] [stderr] Compiling synstructure v0.6.1 [INFO] [stderr] Compiling chrono v0.4.4 [INFO] [stderr] Compiling backtrace v0.3.9 [INFO] [stderr] Compiling failure_derive v0.1.1 [INFO] [stderr] Compiling pest_derive v1.0.7 [INFO] [stderr] Compiling simplelog v0.5.2 [INFO] [stderr] Compiling failure v0.1.1 [INFO] [stderr] Compiling serde_derive v1.0.68 [INFO] [stderr] Compiling serde_json v1.0.22 [INFO] [stderr] Compiling handlebars v0.31.0 [INFO] [stderr] Compiling criterion v0.2.3 [INFO] [stderr] Compiling benchmark_replace_with v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: `#[inline]` is ignored on function prototypes [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | #[inline] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_attributes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead [INFO] [stdout] --> src/main.rs:74:41 [INFO] [stdout] | [INFO] [stdout] 74 | let mut node = unsafe { mem::uninitialized() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead [INFO] [stdout] --> src/main.rs:81:41 [INFO] [stdout] | [INFO] [stdout] 81 | let mut node = unsafe { mem::uninitialized() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead [INFO] [stdout] --> src/main.rs:18:38 [INFO] [stdout] | [INFO] [stdout] 18 | let mut old_value = unsafe { mem::uninitialized() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 23s [INFO] running `Command { std: "docker" "inspect" "ffa19dc14e7b2a449eaa706ab018d80edfb20f7f9339348c41d038a28c3fff51", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ffa19dc14e7b2a449eaa706ab018d80edfb20f7f9339348c41d038a28c3fff51", kill_on_drop: false }` [INFO] [stdout] ffa19dc14e7b2a449eaa706ab018d80edfb20f7f9339348c41d038a28c3fff51 [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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] f95b07c85da6b859f9df10ff3d9d1b0a803fe9b695c43d6da85159b57de31965 [INFO] running `Command { std: "docker" "start" "-a" "f95b07c85da6b859f9df10ff3d9d1b0a803fe9b695c43d6da85159b57de31965", kill_on_drop: false }` [INFO] [stderr] Compiling benchmark_replace_with v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: `#[inline]` is ignored on function prototypes [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | #[inline] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_attributes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead [INFO] [stdout] --> src/main.rs:74:41 [INFO] [stdout] | [INFO] [stdout] 74 | let mut node = unsafe { mem::uninitialized() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead [INFO] [stdout] --> src/main.rs:81:41 [INFO] [stdout] | [INFO] [stdout] 81 | let mut node = unsafe { mem::uninitialized() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead [INFO] [stdout] --> src/main.rs:18:38 [INFO] [stdout] | [INFO] [stdout] 18 | let mut old_value = unsafe { mem::uninitialized() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.89s [INFO] running `Command { std: "docker" "inspect" "f95b07c85da6b859f9df10ff3d9d1b0a803fe9b695c43d6da85159b57de31965", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f95b07c85da6b859f9df10ff3d9d1b0a803fe9b695c43d6da85159b57de31965", kill_on_drop: false }` [INFO] [stdout] f95b07c85da6b859f9df10ff3d9d1b0a803fe9b695c43d6da85159b57de31965 [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] [stdout] 99a86d73a7a88105f5266375a02c0c1c96b8cd4b15d34b4087d07f65f70f9c9f [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" "99a86d73a7a88105f5266375a02c0c1c96b8cd4b15d34b4087d07f65f70f9c9f", kill_on_drop: false }` [INFO] [stderr] warning: `#[inline]` is ignored on function prototypes [INFO] [stderr] --> src/main.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | #[inline] [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_attributes)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead [INFO] [stderr] --> src/main.rs:74:41 [INFO] [stderr] | [INFO] [stderr] 74 | let mut node = unsafe { mem::uninitialized() }; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead [INFO] [stderr] --> src/main.rs:81:41 [INFO] [stderr] | [INFO] [stderr] 81 | let mut node = unsafe { mem::uninitialized() }; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead [INFO] [stderr] --> src/main.rs:18:38 [INFO] [stderr] | [INFO] [stderr] 18 | let mut old_value = unsafe { mem::uninitialized() }; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.19s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/benchmark_replace_with-34ee29fa54624f97 [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" "99a86d73a7a88105f5266375a02c0c1c96b8cd4b15d34b4087d07f65f70f9c9f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "99a86d73a7a88105f5266375a02c0c1c96b8cd4b15d34b4087d07f65f70f9c9f", kill_on_drop: false }` [INFO] [stdout] 99a86d73a7a88105f5266375a02c0c1c96b8cd4b15d34b4087d07f65f70f9c9f