[INFO] fetching crate hakuban 0.7.3... [INFO] checking hakuban-0.7.3 against master#18a6d911caba59605eb03db1452848a85d2e5879 for pr-112743 [INFO] extracting crate hakuban 0.7.3 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate hakuban 0.7.3 on toolchain 18a6d911caba59605eb03db1452848a85d2e5879 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+18a6d911caba59605eb03db1452848a85d2e5879" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate hakuban 0.7.3 [INFO] finished tweaking crates.io crate hakuban 0.7.3 [INFO] tweaked toml for crates.io crate hakuban 0.7.3 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate crates.io crate hakuban 0.7.3 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+18a6d911caba59605eb03db1452848a85d2e5879" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded unsafe-libyaml v0.2.5 [INFO] [stderr] Downloaded console_log v0.2.0 [INFO] [stderr] Downloaded permutations v0.1.1 [INFO] [stderr] Downloaded async-tungstenite v0.18.0 [INFO] [stderr] Downloaded sysinfo v0.18.2 [INFO] [stderr] Downloaded serde_yaml v0.9.16 [INFO] [stderr] Downloaded tungstenite v0.17.3 [INFO] [stderr] Downloaded openssl-src v111.24.0+1.1.1s [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+18a6d911caba59605eb03db1452848a85d2e5879" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4e8108df524b5ffdec18a4d2375121f9844596a7c691e70c4e45df19c4e519af [INFO] running `Command { std: "docker" "start" "-a" "4e8108df524b5ffdec18a4d2375121f9844596a7c691e70c4e45df19c4e519af", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4e8108df524b5ffdec18a4d2375121f9844596a7c691e70c4e45df19c4e519af", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4e8108df524b5ffdec18a4d2375121f9844596a7c691e70c4e45df19c4e519af", kill_on_drop: false }` [INFO] [stdout] 4e8108df524b5ffdec18a4d2375121f9844596a7c691e70c4e45df19c4e519af [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+18a6d911caba59605eb03db1452848a85d2e5879" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3ccc26ddd163daf56576cc769004f34ceecd5eb5646ae475fe4881b2a77fbff9 [INFO] running `Command { std: "docker" "start" "-a" "3ccc26ddd163daf56576cc769004f34ceecd5eb5646ae475fe4881b2a77fbff9", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.139 [INFO] [stderr] Compiling proc-macro2 v1.0.49 [INFO] [stderr] Compiling quote v1.0.23 [INFO] [stderr] Compiling unicode-ident v1.0.6 [INFO] [stderr] Compiling syn v1.0.107 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling futures-core v0.3.25 [INFO] [stderr] Compiling pkg-config v0.3.26 [INFO] [stderr] Compiling cc v1.0.78 [INFO] [stderr] Compiling lock_api v0.4.9 [INFO] [stderr] Compiling parking_lot_core v0.9.5 [INFO] [stderr] Compiling generic-array v0.14.6 [INFO] [stderr] Checking smallvec v1.10.0 [INFO] [stderr] Checking bytes v1.3.0 [INFO] [stderr] Compiling tokio v1.23.0 [INFO] [stderr] Compiling slab v0.4.7 [INFO] [stderr] Checking once_cell v1.17.0 [INFO] [stderr] Compiling serde_derive v1.0.152 [INFO] [stderr] Compiling futures-channel v0.3.25 [INFO] [stderr] Compiling crossbeam-utils v0.8.14 [INFO] [stderr] Compiling openssl v0.10.45 [INFO] [stderr] Checking futures-sink v0.3.25 [INFO] [stderr] Compiling futures-task v0.3.25 [INFO] [stderr] Compiling memoffset v0.7.1 [INFO] [stderr] Checking futures-io v0.3.25 [INFO] [stderr] Compiling serde v1.0.152 [INFO] [stderr] Checking itoa v1.0.5 [INFO] [stderr] Compiling futures-util v0.3.25 [INFO] [stderr] Checking unicode-normalization v0.1.22 [INFO] [stderr] Compiling crossbeam-epoch v0.9.13 [INFO] [stderr] Checking percent-encoding v2.2.0 [INFO] [stderr] Checking unicode-bidi v0.3.8 [INFO] [stderr] Compiling thiserror v1.0.38 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Checking form_urlencoded v1.1.0 [INFO] [stderr] Checking either v1.8.0 [INFO] [stderr] Checking cpufeatures v0.2.5 [INFO] [stderr] Checking http v0.2.8 [INFO] [stderr] Checking aho-corasick v0.7.20 [INFO] [stderr] Compiling serde_json v1.0.91 [INFO] [stderr] Compiling rayon-core v1.10.1 [INFO] [stderr] Compiling anyhow v1.0.68 [INFO] [stderr] Checking ryu v1.0.12 [INFO] [stderr] Checking regex-syntax v0.6.28 [INFO] [stderr] Checking crossbeam-channel v0.5.6 [INFO] [stderr] Checking crypto-common v0.1.6 [INFO] [stderr] Checking block-buffer v0.10.3 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling indexmap v1.9.2 [INFO] [stderr] Compiling doc-comment v0.3.3 [INFO] [stderr] Checking digest v0.10.6 [INFO] [stderr] Checking idna v0.3.0 [INFO] [stderr] Checking crc-catalog v2.1.0 [INFO] [stderr] Checking num_cpus v1.15.0 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking mio v0.8.5 [INFO] [stderr] Checking socket2 v0.4.7 [INFO] [stderr] Checking getrandom v0.2.8 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking sha-1 v0.10.1 [INFO] [stderr] Checking crossbeam-deque v0.8.2 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking match_cfg v0.1.0 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking hostname v0.3.1 [INFO] [stderr] Checking crc v3.0.0 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking instant v0.1.12 [INFO] [stderr] Compiling sysinfo v0.18.2 [INFO] [stderr] Checking unsafe-libyaml v0.2.5 [INFO] [stderr] Checking colored v2.0.0 [INFO] [stderr] Compiling openssl-sys v0.9.80 [INFO] [stderr] Checking url v2.3.1 [INFO] [stderr] Checking permutations v0.1.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking regex v1.7.0 [INFO] [stderr] Checking rayon v1.6.1 [INFO] [stderr] Compiling native-tls v0.2.11 [INFO] [stderr] Checking env_logger v0.9.3 [INFO] [stderr] Compiling tokio-macros v1.8.2 [INFO] [stderr] Compiling openssl-macros v0.1.0 [INFO] [stderr] Compiling futures-macro v0.3.25 [INFO] [stderr] Compiling thiserror-impl v1.0.38 [INFO] [stderr] Compiling async-stream-impl v0.3.3 [INFO] [stderr] Checking async-stream v0.3.3 [INFO] [stderr] Checking tungstenite v0.17.3 [INFO] [stderr] Checking futures-executor v0.3.25 [INFO] [stderr] Checking futures v0.3.25 [INFO] [stderr] Checking tokio-native-tls v0.3.0 [INFO] [stderr] Checking tokio-util v0.7.4 [INFO] [stderr] Checking tokio-stream v0.1.11 [INFO] [stderr] Checking async-tungstenite v0.18.0 [INFO] [stderr] Checking tokio-test v0.4.2 [INFO] [stderr] Checking bincode v1.3.3 [INFO] [stderr] Checking serde_yaml v0.9.16 [INFO] [stderr] Checking hakuban v0.7.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/exchange/remote.rs:664:10 [INFO] [stdout] | [INFO] [stdout] 664 | let mut object_state = [INFO] [stdout] | ----^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/exchange/remote.rs:664:10 [INFO] [stdout] | [INFO] [stdout] 664 | let mut object_state = [INFO] [stdout] | ----^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Shuffle` is never constructed [INFO] [stdout] --> tests/common/shuffler.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 8 | pub struct Shuffle { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Task` is never constructed [INFO] [stdout] --> tests/common/shuffler.rs:30:12 [INFO] [stdout] | [INFO] [stdout] 30 | pub struct Task { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `task`, `setup`, and `run` are never used [INFO] [stdout] --> tests/common/shuffler.rs:41:9 [INFO] [stdout] | [INFO] [stdout] 40 | impl Shuffle { [INFO] [stdout] | ------------------------------------------------- associated items in this implementation [INFO] [stdout] 41 | pub fn new(fuzzy_barrier_count: usize) -> Shuffle { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 45 | pub fn task>> + Send + Sync + 'static>( [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 58 | pub fn setup>> + Send + Sync + 'static>( [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 65 | pub async fn run(self, timeout: Duration) -> Result<(), Box> { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `fuzzy_barrier` and `barrier` are never used [INFO] [stdout] --> tests/common/shuffler.rs:164:15 [INFO] [stdout] | [INFO] [stdout] 163 | impl Task { [INFO] [stdout] | --------- methods in this implementation [INFO] [stdout] 164 | pub async fn fuzzy_barrier(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 178 | pub async fn barrier(&mut self) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `teardown` is never read [INFO] [stdout] --> tests/common/shuffler.rs:24:2 [INFO] [stdout] | [INFO] [stdout] 8 | pub struct Shuffle { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 24 | teardown: Option Box>>>>>, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 11.87s [INFO] running `Command { std: "docker" "inspect" "3ccc26ddd163daf56576cc769004f34ceecd5eb5646ae475fe4881b2a77fbff9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3ccc26ddd163daf56576cc769004f34ceecd5eb5646ae475fe4881b2a77fbff9", kill_on_drop: false }` [INFO] [stdout] 3ccc26ddd163daf56576cc769004f34ceecd5eb5646ae475fe4881b2a77fbff9