[INFO] fetching crate wal-rs 1.0.2...
[INFO] checking wal-rs-1.0.2 against master#af3c6e733a40e671550e0f0f5aeecaa13772ba56 for pr-74989
[INFO] extracting crate wal-rs 1.0.2 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate wal-rs 1.0.2 on toolchain af3c6e733a40e671550e0f0f5aeecaa13772ba56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wal-rs 1.0.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate wal-rs 1.0.2
[INFO] tweaked toml for crates.io crate wal-rs 1.0.2 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "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" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4f0c14318a38c542883ecd0d12ded8dd751b05517fe1a7e7e20eedd43f52d8b7
[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" "4f0c14318a38c542883ecd0d12ded8dd751b05517fe1a7e7e20eedd43f52d8b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f0c14318a38c542883ecd0d12ded8dd751b05517fe1a7e7e20eedd43f52d8b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f0c14318a38c542883ecd0d12ded8dd751b05517fe1a7e7e20eedd43f52d8b7", kill_on_drop: false }`
[INFO] [stdout] 4f0c14318a38c542883ecd0d12ded8dd751b05517fe1a7e7e20eedd43f52d8b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20de6a7e7a70b866ad4267c1f7861129a49239c836d39b25c55bb5da87e8ee05
[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" "20de6a7e7a70b866ad4267c1f7861129a49239c836d39b25c55bb5da87e8ee05", kill_on_drop: false }`
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking wal-rs v1.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/wal/mod.rs:94:52
[INFO] [stdout]    |
[INFO] [stdout] 94 |     fn try_allocate(&mut self, n: usize) -> Result<(usize)> {
[INFO] [stdout]    |                                                    ^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/wal/mod.rs:94:52
[INFO] [stdout]    |
[INFO] [stdout] 94 |     fn try_allocate(&mut self, n: usize) -> Result<(usize)> {
[INFO] [stdout]    |                                                    ^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` 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 3.86s
[INFO] running `Command { std: "docker" "inspect" "20de6a7e7a70b866ad4267c1f7861129a49239c836d39b25c55bb5da87e8ee05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20de6a7e7a70b866ad4267c1f7861129a49239c836d39b25c55bb5da87e8ee05", kill_on_drop: false }`
[INFO] [stdout] 20de6a7e7a70b866ad4267c1f7861129a49239c836d39b25c55bb5da87e8ee05
