[INFO] fetching crate milkpq 0.1.0...
[INFO] checking milkpq-0.1.0 against master#836c31742687ba4e2f857b5b698e1e9e6b67619c for pr-81789
[INFO] extracting crate milkpq 0.1.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate milkpq 0.1.0 on toolchain 836c31742687ba4e2f857b5b698e1e9e6b67619c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate milkpq 0.1.0
[INFO] finished tweaking crates.io crate milkpq 0.1.0
[INFO] tweaked toml for crates.io crate milkpq 0.1.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1b2d3c1633f2929ab957a2e02e415711bf79f68bd8a19c5e6f96ec2d206a3552
[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" "1b2d3c1633f2929ab957a2e02e415711bf79f68bd8a19c5e6f96ec2d206a3552", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b2d3c1633f2929ab957a2e02e415711bf79f68bd8a19c5e6f96ec2d206a3552", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b2d3c1633f2929ab957a2e02e415711bf79f68bd8a19c5e6f96ec2d206a3552", kill_on_drop: false }`
[INFO] [stdout] 1b2d3c1633f2929ab957a2e02e415711bf79f68bd8a19c5e6f96ec2d206a3552
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b51e1234c27fed8a049d1b3478e58d693dd96ae3bd5d4b4a8ebdfd262a3276b5
[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" "b51e1234c27fed8a049d1b3478e58d693dd96ae3bd5d4b4a8ebdfd262a3276b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling syn v1.0.70
[INFO] [stderr]     Checking plotters-backend v0.3.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]     Checking half v1.7.1
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]     Checking oorandom v11.1.3
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[INFO] [stderr]     Checking plotters-svg v0.3.0
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling cast v0.2.5
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking parking_lot_core v0.8.3
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[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking criterion-plot v0.4.3
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking crossbeam-epoch v0.9.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking plotters v0.3.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking rand_distr v0.3.0
[INFO] [stderr]     Checking milkpq v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]   --> src/lib.rs:14:25
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::sync::atomic::{spin_loop_hint, AtomicBool, Ordering::{Relaxed, Release}};
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]    --> src/lib.rs:133:13
[INFO] [stdout]     |
[INFO] [stdout] 133 |             spin_loop_hint();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]    --> src/lib.rs:149:13
[INFO] [stdout]     |
[INFO] [stdout] 149 |             spin_loop_hint();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]    --> src/lib.rs:166:17
[INFO] [stdout]     |
[INFO] [stdout] 166 |                 spin_loop_hint();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]    --> src/lib.rs:233:13
[INFO] [stdout]     |
[INFO] [stdout] 233 |             spin_loop_hint();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]    --> src/lib.rs:244:13
[INFO] [stdout]     |
[INFO] [stdout] 244 |             spin_loop_hint();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]    --> src/lib.rs:258:13
[INFO] [stdout]     |
[INFO] [stdout] 258 |             spin_loop_hint();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]    --> src/lib.rs:301:13
[INFO] [stdout]     |
[INFO] [stdout] 301 |             spin_loop_hint();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking bstr v0.2.15
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.3.4
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]   --> src/lib.rs:14:25
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::sync::atomic::{spin_loop_hint, AtomicBool, Ordering::{Relaxed, Release}};
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]    --> src/lib.rs:133:13
[INFO] [stdout]     |
[INFO] [stdout] 133 |             spin_loop_hint();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]    --> src/lib.rs:149:13
[INFO] [stdout]     |
[INFO] [stdout] 149 |             spin_loop_hint();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]    --> src/lib.rs:166:17
[INFO] [stdout]     |
[INFO] [stdout] 166 |                 spin_loop_hint();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]    --> src/lib.rs:233:13
[INFO] [stdout]     |
[INFO] [stdout] 233 |             spin_loop_hint();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]    --> src/lib.rs:244:13
[INFO] [stdout]     |
[INFO] [stdout] 244 |             spin_loop_hint();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]    --> src/lib.rs:258:13
[INFO] [stdout]     |
[INFO] [stdout] 258 |             spin_loop_hint();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]    --> src/lib.rs:301:13
[INFO] [stdout]     |
[INFO] [stdout] 301 |             spin_loop_hint();
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `black_box`
[INFO] [stdout]  --> benches/compare.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use criterion::{black_box, Criterion, criterion_group, criterion_main};
[INFO] [stdout]   |                 ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]  --> benches/compare.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn test(c: &mut Criterion) {
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `seq_push`
[INFO] [stdout]   --> benches/bench.rs:42:4
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn seq_push<I: Iterator<Item = i32>>(mpq: &MPQ, iter: I) {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `par_push`
[INFO] [stdout]   --> benches/bench.rs:48:4
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn par_push<I: ParallelIterator<Item = i32>>(mpq: &MPQ, iter: I) {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `push_bench`
[INFO] [stdout]    --> benches/bench.rs:176:4
[INFO] [stdout]     |
[INFO] [stdout] 176 | fn push_bench(c: &mut Criterion, mpq: &MPQ, insert: &Vec<i32>, name: &'static str) {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.26s
[INFO] running `Command { std: "docker" "inspect" "b51e1234c27fed8a049d1b3478e58d693dd96ae3bd5d4b4a8ebdfd262a3276b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b51e1234c27fed8a049d1b3478e58d693dd96ae3bd5d4b4a8ebdfd262a3276b5", kill_on_drop: false }`
[INFO] [stdout] b51e1234c27fed8a049d1b3478e58d693dd96ae3bd5d4b4a8ebdfd262a3276b5