[INFO] fetching crate anti-r 0.9.2...
[INFO] checking anti-r-0.9.2 against try#38c2997544af84fe301d600d6896397738163002 for pr-154205-1
[INFO] extracting crate anti-r 0.9.2 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate anti-r 0.9.2
[INFO] finished tweaking crates.io crate anti-r 0.9.2
[INFO] tweaked toml for crates.io crate anti-r 0.9.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate anti-r 0.9.2 on toolchain 38c2997544af84fe301d600d6896397738163002
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38c2997544af84fe301d600d6896397738163002" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38c2997544af84fe301d600d6896397738163002" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 84 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.3.6 (available: v0.8.2)
[INFO] [stderr]       Adding pdqselect v0.1.0 (available: v0.1.1)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.10.0)
[INFO] [stderr]       Adding rstar v0.8.4 (available: v0.12.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38c2997544af84fe301d600d6896397738163002" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+38c2997544af84fe301d600d6896397738163002" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dcb7d41a90a289b3daf5867af12a639c287b2c7a4d35721f707793bc43853eba
[INFO] running `Command { std: "docker" "start" "-a" "dcb7d41a90a289b3daf5867af12a639c287b2c7a4d35721f707793bc43853eba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dcb7d41a90a289b3daf5867af12a639c287b2c7a4d35721f707793bc43853eba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcb7d41a90a289b3daf5867af12a639c287b2c7a4d35721f707793bc43853eba", kill_on_drop: false }`
[INFO] [stdout] dcb7d41a90a289b3daf5867af12a639c287b2c7a4d35721f707793bc43853eba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+38c2997544af84fe301d600d6896397738163002" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a0207a4358f0c2761615bf6e321188a8dfd60cfe2a5bf093f21431ade4fbc67
[INFO] running `Command { std: "docker" "start" "-a" "7a0207a4358f0c2761615bf6e321188a8dfd60cfe2a5bf093f21431ade4fbc67", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]     Checking generic-array v0.13.3
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling heapless v0.6.1
[INFO] [stderr]     Checking regex-automata v0.4.14
[INFO] [stderr]     Checking serde_json v1.0.149
[INFO] [stderr]     Checking csv-core v0.1.13
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking criterion-plot v0.4.5
[INFO] [stderr]     Checking pdqselect v0.1.0
[INFO] [stderr]     Checking rayon v1.11.0
[INFO] [stderr]     Checking anti-r v0.9.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking hash32 v0.1.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking csv v1.4.0
[INFO] [stderr]     Checking as-slice v0.1.5
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking plotters v0.3.7
[INFO] [stderr]     Checking rstar v0.8.4
[INFO] [stderr]     Checking regex v1.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stdout] warning: unused import: `black_box`
[INFO] [stdout]  --> benches/r_vs_no.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use criterion::{black_box, criterion_group, criterion_main, BenchmarkId, Criterion};
[INFO] [stdout]   |                 ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.35s
[INFO] running `Command { std: "docker" "inspect" "7a0207a4358f0c2761615bf6e321188a8dfd60cfe2a5bf093f21431ade4fbc67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a0207a4358f0c2761615bf6e321188a8dfd60cfe2a5bf093f21431ade4fbc67", kill_on_drop: false }`
[INFO] [stdout] 7a0207a4358f0c2761615bf6e321188a8dfd60cfe2a5bf093f21431ade4fbc67