[INFO] fetching crate nolock 0.3.1...
[INFO] checking nolock-0.3.1 against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] extracting crate nolock 0.3.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate nolock 0.3.1 on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nolock 0.3.1
[INFO] finished tweaking crates.io crate nolock 0.3.1
[INFO] tweaked toml for crates.io crate nolock 0.3.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] [stdout] f10c4b0b2cf9201632eb69680ad96dca05fd6a9d16893a23235c1cdba03a4290
[INFO] running `Command { std: "docker" "start" "-a" "f10c4b0b2cf9201632eb69680ad96dca05fd6a9d16893a23235c1cdba03a4290", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f10c4b0b2cf9201632eb69680ad96dca05fd6a9d16893a23235c1cdba03a4290", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f10c4b0b2cf9201632eb69680ad96dca05fd6a9d16893a23235c1cdba03a4290", kill_on_drop: false }`
[INFO] [stdout] f10c4b0b2cf9201632eb69680ad96dca05fd6a9d16893a23235c1cdba03a4290
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a255808b89af637dd57b777a203cceab74fffa7a28624b883f2c36a0c2c2dd6
[INFO] running `Command { std: "docker" "start" "-a" "7a255808b89af637dd57b777a203cceab74fffa7a28624b883f2c36a0c2c2dd6", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling serde v1.0.128
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling futures-task v0.3.16
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]     Checking futures-sink v0.3.16
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking plotters-backend v0.3.2
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking futures-io v0.3.16
[INFO] [stderr]     Checking half v1.7.1
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking iai v0.1.1
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling tokio v1.10.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]     Checking textwrap v0.11.0
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[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
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[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]     Checking plotters v0.3.1
[INFO] [stderr]     Checking criterion-plot v0.4.4
[INFO] [stderr]     Checking futures v0.3.16
[INFO] [stderr]     Checking nolock v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]     Checking serde_json v1.0.66
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.128
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]     Checking criterion v0.3.5
[INFO] [stdout] warning: unused imports: `sync::Arc`, `thread`, `time::Duration`
[INFO] [stdout]  --> tests/hash_trie.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{sync::Arc, thread, time::Duration};
[INFO] [stdout]   |           ^^^^^^^^^  ^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::RngCore`
[INFO] [stdout]  --> tests/hash_trie.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rand::RngCore;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> benches/hash_trie.rs:49:30
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn hash_trie_inserts(ctx: &mut Criterion) {}
[INFO] [stdout]    |                              ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> benches/hash_trie.rs:50:28
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn std_map_inserts(ctx: &mut Criterion) {}
[INFO] [stdout]    |                            ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc`, `atomic`, `cell::RefCell`
[INFO] [stdout]  --> tests/hazard_ptr.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     cell::RefCell,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 3 |     sync::{atomic, Arc},
[INFO] [stdout]   |            ^^^^^^  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `nolock::hazard_ptr`
[INFO] [stdout]  --> tests/hazard_ptr.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use nolock::hazard_ptr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `spsc_unbounded_queue_inserts`
[INFO] [stdout]  --> benches/spsc.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 |     pub fn spsc_unbounded_queue_inserts(ctx: &mut Criterion) {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `bounded_enqueue_dequeue`
[INFO] [stdout]   --> benches/spsc.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn bounded_enqueue_dequeue(ctx: &mut Criterion) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> benches/hash_trie.rs:49:30
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn hash_trie_inserts(ctx: &mut Criterion) {}
[INFO] [stdout]    |                              ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> benches/hash_trie.rs:50:28
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn std_map_inserts(ctx: &mut Criterion) {}
[INFO] [stdout]    |                            ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `unbounded_enqueue_dequeue`
[INFO] [stdout]   --> benches/spsc.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn unbounded_enqueue_dequeue() {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `bounded_enqueue_dequeue`
[INFO] [stdout]   --> benches/spsc.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn bounded_enqueue_dequeue() {
[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 21.31s
[INFO] running `Command { std: "docker" "inspect" "7a255808b89af637dd57b777a203cceab74fffa7a28624b883f2c36a0c2c2dd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a255808b89af637dd57b777a203cceab74fffa7a28624b883f2c36a0c2c2dd6", kill_on_drop: false }`
[INFO] [stdout] 7a255808b89af637dd57b777a203cceab74fffa7a28624b883f2c36a0c2c2dd6