[INFO] fetching crate typed-arena 2.0.2... [INFO] checking typed-arena-2.0.2 against master#35936c4839dd272646394779d151e060d0f6b3ac for pr-122960-1 [INFO] extracting crate typed-arena 2.0.2 into /workspace/builds/worker-3-tc1/source [INFO] validating manifest of crates.io crate typed-arena 2.0.2 on toolchain 35936c4839dd272646394779d151e060d0f6b3ac [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate typed-arena 2.0.2 [INFO] finished tweaking crates.io crate typed-arena 2.0.2 [INFO] tweaked toml for crates.io crate typed-arena 2.0.2 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded criterion v0.3.6 [INFO] [stderr] Downloaded criterion-plot v0.4.5 [INFO] [stderr] Downloaded serde_cbor v0.11.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a50225e837b94d4a5e7ddb4e355326c7e9d44345999e3490ddd14142f3a04cc1 [INFO] running `Command { std: "docker" "start" "-a" "a50225e837b94d4a5e7ddb4e355326c7e9d44345999e3490ddd14142f3a04cc1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a50225e837b94d4a5e7ddb4e355326c7e9d44345999e3490ddd14142f3a04cc1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a50225e837b94d4a5e7ddb4e355326c7e9d44345999e3490ddd14142f3a04cc1", kill_on_drop: false }` [INFO] [stdout] a50225e837b94d4a5e7ddb4e355326c7e9d44345999e3490ddd14142f3a04cc1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ed8f53b1c1f11484d74cbc1855865eee3f408731b03ebc9689a1c187c1f80bc2 [INFO] running `Command { std: "docker" "start" "-a" "ed8f53b1c1f11484d74cbc1855865eee3f408731b03ebc9689a1c187c1f80bc2", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.19 [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Checking plotters-backend v0.3.5 [INFO] [stderr] Checking memchr v2.7.2 [INFO] [stderr] Checking unicode-width v0.1.11 [INFO] [stderr] Checking regex-syntax v0.8.3 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling syn v2.0.55 [INFO] [stderr] Checking half v1.8.3 [INFO] [stderr] Checking plotters-svg v0.3.5 [INFO] [stderr] Checking cast v0.3.0 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking csv-core v0.1.11 [INFO] [stderr] Checking criterion-plot v0.4.5 [INFO] [stderr] Checking walkdir v2.5.0 [INFO] [stderr] Checking csv v1.3.0 [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Checking crossbeam-deque v0.8.5 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking regex-automata v0.4.6 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Checking typed-arena v2.0.2 (/opt/rustwide/workdir) [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Checking plotters v0.3.5 [INFO] [stderr] Checking regex v1.10.4 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Checking criterion v0.3.6 [INFO] [stdout] warning: the item `mem` is imported redundantly [INFO] [stdout] --> src/test.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `mem` is already imported here [INFO] [stdout] 2 | use std::cell::Cell; [INFO] [stdout] 3 | use std::mem; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `ptr` is imported redundantly [INFO] [stdout] --> src/test.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 1 | use super::*; [INFO] [stdout] | -------- the item `ptr` is already imported here [INFO] [stdout] ... [INFO] [stdout] 5 | use std::ptr; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> benches/benches.rs:8:14 [INFO] [stdout] | [INFO] [stdout] 8 | struct Small(usize); [INFO] [stdout] | ----- ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 8 | struct Small(()); [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> benches/benches.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 11 | struct Big([usize; 32]); [INFO] [stdout] | --- ^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 11 | struct Big(()); [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `2` is never read [INFO] [stdout] --> src/test.rs:14:56 [INFO] [stdout] | [INFO] [stdout] 14 | struct Node<'a, 'b: 'a>(Option<&'a Node<'a, 'b>>, u32, DropTracker<'b>); [INFO] [stdout] | ---- field in this struct ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 14 | struct Node<'a, 'b: 'a>(Option<&'a Node<'a, 'b>>, u32, ()); [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/test.rs:42:9 [INFO] [stdout] | [INFO] [stdout] 42 | mem::drop(node); [INFO] [stdout] | ^^^^^^^^^^----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&Node<'_, '_>` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.20s [INFO] running `Command { std: "docker" "inspect" "ed8f53b1c1f11484d74cbc1855865eee3f408731b03ebc9689a1c187c1f80bc2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ed8f53b1c1f11484d74cbc1855865eee3f408731b03ebc9689a1c187c1f80bc2", kill_on_drop: false }` [INFO] [stdout] ed8f53b1c1f11484d74cbc1855865eee3f408731b03ebc9689a1c187c1f80bc2