[INFO] fetching crate cacache 8.0.0... [INFO] checking cacache-8.0.0 against try#8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346 for pr-86194 [INFO] extracting crate cacache 8.0.0 into /workspace/builds/worker-9/source [INFO] validating manifest of crates.io crate cacache 8.0.0 on toolchain 8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate cacache 8.0.0 [INFO] finished tweaking crates.io crate cacache 8.0.0 [INFO] tweaked toml for crates.io crate cacache 8.0.0 written to /workspace/builds/worker-9/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e189e674d0965d1bb936f267f761d048270102ae84edd9026b6b7f6c1be3bfee [INFO] running `Command { std: "docker" "start" "-a" "e189e674d0965d1bb936f267f761d048270102ae84edd9026b6b7f6c1be3bfee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e189e674d0965d1bb936f267f761d048270102ae84edd9026b6b7f6c1be3bfee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e189e674d0965d1bb936f267f761d048270102ae84edd9026b6b7f6c1be3bfee", kill_on_drop: false }` [INFO] [stdout] e189e674d0965d1bb936f267f761d048270102ae84edd9026b6b7f6c1be3bfee [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 536138bbbf5941e749a2ef1fb3dd6943d0610d53b6da973bb21db98983de322f [INFO] running `Command { std: "docker" "start" "-a" "536138bbbf5941e749a2ef1fb3dd6943d0610d53b6da973bb21db98983de322f", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.27 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling libc v0.2.97 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling futures-core v0.3.15 [INFO] [stderr] Checking pin-project-lite v0.2.6 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Checking futures-io v0.3.15 [INFO] [stderr] Compiling serde v1.0.126 [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Checking slab v0.4.3 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking cache-padded v1.1.1 [INFO] [stderr] Compiling typenum v1.13.0 [INFO] [stderr] Checking fastrand v1.4.1 [INFO] [stderr] Checking waker-fn v1.1.0 [INFO] [stderr] Checking parking v2.0.0 [INFO] [stderr] Checking event-listener v2.5.1 [INFO] [stderr] Checking once_cell v1.8.0 [INFO] [stderr] Compiling crossbeam-epoch v0.9.5 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking byte-tools v0.3.1 [INFO] [stderr] Compiling futures-task v0.3.15 [INFO] [stderr] Compiling futures-channel v0.3.15 [INFO] [stderr] Checking async-task v4.0.3 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Compiling serde_derive v1.0.126 [INFO] [stderr] Checking futures-sink v0.3.15 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Compiling signal-hook v0.3.9 [INFO] [stderr] Checking opaque-debug v0.2.3 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Checking atomic-waker v1.0.0 [INFO] [stderr] Checking fake-simd v0.1.2 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking hex v0.3.2 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking hex v0.4.3 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Compiling futures-macro v0.3.15 [INFO] [stderr] Compiling futures-util v0.3.15 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Checking block-padding v0.1.5 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Checking concurrent-queue v1.2.2 [INFO] [stderr] Checking base64 v0.10.1 [INFO] [stderr] Checking plotters v0.3.1 [INFO] [stderr] Compiling cast v0.2.6 [INFO] [stderr] Checking async-mutex v1.4.0 [INFO] [stderr] Checking async-lock v2.4.0 [INFO] [stderr] Checking itertools v0.9.0 [INFO] [stderr] Checking itertools v0.10.1 [INFO] [stderr] Checking async-channel v1.6.1 [INFO] [stderr] Checking futures-lite v1.12.0 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Compiling value-bag v1.0.0-alpha.7 [INFO] [stderr] Checking crossbeam-channel v0.5.1 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking socket2 v0.4.0 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking memmap v0.7.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking criterion-plot v0.4.3 [INFO] [stderr] Compiling syn v1.0.73 [INFO] [stderr] Checking blocking v1.0.2 [INFO] [stderr] Checking async-executor v1.4.1 [INFO] [stderr] Checking rand_core v0.6.2 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.3 [INFO] [stderr] Checking generic-array v0.12.4 [INFO] [stderr] Checking digest v0.8.1 [INFO] [stderr] Checking block-buffer v0.7.3 [INFO] [stderr] Checking sha2 v0.8.2 [INFO] [stderr] Checking sha-1 v0.8.2 [INFO] [stderr] Checking tempfile v3.2.0 [INFO] [stderr] Checking serde_json v1.0.64 [INFO] [stderr] Checking bstr v0.2.16 [INFO] [stderr] Checking serde_cbor v0.11.1 [INFO] [stderr] Checking csv v1.1.6 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Compiling ctor v0.1.20 [INFO] [stderr] Compiling thiserror-impl v1.0.25 [INFO] [stderr] Compiling async-attributes v1.1.2 [INFO] [stderr] Checking polling v2.1.0 [INFO] [stderr] Checking kv-log-macro v1.0.7 [INFO] [stderr] Checking async-io v1.4.1 [INFO] [stderr] Checking thiserror v1.0.25 [INFO] [stderr] Checking async-global-executor v2.0.2 [INFO] [stderr] Checking async-process v1.1.0 [INFO] [stderr] Checking async-std v1.9.0 [INFO] [stderr] Checking ssri v5.0.0 [INFO] [stderr] Checking criterion v0.3.4 [INFO] [stderr] Checking futures-executor v0.3.15 [INFO] [stderr] Checking futures v0.3.15 [INFO] [stderr] Checking cacache v8.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/content/write.rs:219:9 [INFO] [stdout] | [INFO] [stdout] 219 | mut self: Pin<&mut Self>, [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/content/write.rs:276:19 [INFO] [stdout] | [INFO] [stdout] 276 | fn poll_flush(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll> { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/content/write.rs:316:19 [INFO] [stdout] | [INFO] [stdout] 316 | fn poll_close(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll> { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/content/write.rs:219:9 [INFO] [stdout] | [INFO] [stdout] 219 | mut self: Pin<&mut Self>, [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/content/write.rs:276:19 [INFO] [stdout] | [INFO] [stdout] 276 | fn poll_flush(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll> { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/content/write.rs:316:19 [INFO] [stdout] | [INFO] [stdout] 316 | fn poll_close(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll> { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 28.97s [INFO] running `Command { std: "docker" "inspect" "536138bbbf5941e749a2ef1fb3dd6943d0610d53b6da973bb21db98983de322f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "536138bbbf5941e749a2ef1fb3dd6943d0610d53b6da973bb21db98983de322f", kill_on_drop: false }` [INFO] [stdout] 536138bbbf5941e749a2ef1fb3dd6943d0610d53b6da973bb21db98983de322f