[INFO] cloning 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" "clone" "--bare" "https://github.com/frol/rust-benchmark-option-replace_with-rfc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrol%2Frust-benchmark-option-replace_with-rfc", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrol%2Frust-benchmark-option-replace_with-rfc'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a79f0a3c095e82cb31849a723bc96b064ef944dc [INFO] checking frol/rust-benchmark-option-replace_with-rfc against try#9cfe725f0995b018340c519db1b2f3cf8a7e0631 for pr-81174 [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-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/frol/rust-benchmark-option-replace_with-rfc on toolchain 9cfe725f0995b018340c519db1b2f3cf8a7e0631 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "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-7/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" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "fetch" "--locked" "--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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e235e0a31edfd30cfa6cf39fd35015c56ce4dfa5dda7b279052768e3f242698f [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" "e235e0a31edfd30cfa6cf39fd35015c56ce4dfa5dda7b279052768e3f242698f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e235e0a31edfd30cfa6cf39fd35015c56ce4dfa5dda7b279052768e3f242698f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e235e0a31edfd30cfa6cf39fd35015c56ce4dfa5dda7b279052768e3f242698f", kill_on_drop: false }` [INFO] [stdout] e235e0a31edfd30cfa6cf39fd35015c56ce4dfa5dda7b279052768e3f242698f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c419bb9d175333c1bc57938918c43b68baa398d3ab3ea51763d46e8c341fe173 [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" "c419bb9d175333c1bc57938918c43b68baa398d3ab3ea51763d46e8c341fe173", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.68 [INFO] [stderr] Checking byteorder v1.2.3 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Checking cast v0.2.2 [INFO] [stderr] Checking rand v0.4.2 [INFO] [stderr] Compiling proc-macro2 v0.4.6 [INFO] [stderr] Checking log v0.4.2 [INFO] [stderr] Checking aho-corasick v0.6.5 [INFO] [stderr] Checking thread_local v0.3.5 [INFO] [stderr] Compiling synstructure v0.6.1 [INFO] [stderr] Compiling pest_derive v1.0.7 [INFO] [stderr] Checking clap v2.32.0 [INFO] [stderr] Checking backtrace v0.3.9 [INFO] [stderr] Checking chrono v0.4.4 [INFO] [stderr] Checking itertools-num v0.1.1 [INFO] [stderr] Checking term v0.5.1 [INFO] [stderr] Checking criterion-plot v0.2.3 [INFO] [stderr] Compiling quote v0.6.3 [INFO] [stderr] Checking criterion-stats v0.2.3 [INFO] [stderr] Compiling syn v0.14.2 [INFO] [stderr] Compiling failure_derive v0.1.1 [INFO] [stderr] Checking simplelog v0.5.2 [INFO] [stderr] Checking failure v0.1.1 [INFO] [stderr] Compiling serde_derive v1.0.68 [INFO] [stderr] Checking serde_json v1.0.22 [INFO] [stderr] Checking handlebars v0.31.0 [INFO] [stderr] Checking criterion v0.2.3 [INFO] [stderr] Checking 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: `#[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 function `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 function `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 function `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: use of deprecated function `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 function `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 function `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] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 13.28s [INFO] running `Command { std: "docker" "inspect" "c419bb9d175333c1bc57938918c43b68baa398d3ab3ea51763d46e8c341fe173", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c419bb9d175333c1bc57938918c43b68baa398d3ab3ea51763d46e8c341fe173", kill_on_drop: false }` [INFO] [stdout] c419bb9d175333c1bc57938918c43b68baa398d3ab3ea51763d46e8c341fe173