[INFO] fetching crate okaywal 0.3.1...
[INFO] checking okaywal-0.3.1 against 1.95.0 for pr-155915
[INFO] extracting crate okaywal 0.3.1 into /workspace/builds/worker-2-tc1/source
[INFO] removed /workspace/builds/worker-2-tc1/source/.cargo/config
[INFO] started tweaking crates.io crate okaywal 0.3.1
[INFO] finished tweaking crates.io crate okaywal 0.3.1
[INFO] tweaked toml for crates.io crate okaywal 0.3.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate okaywal 0.3.1 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate okaywal 0.3.1 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded semver v1.0.19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a01654cf4d1268130577276d02330bb062639675f667b8e672c0615cd4192d01
[INFO] running `Command { std: "docker" "start" "-a" "a01654cf4d1268130577276d02330bb062639675f667b8e672c0615cd4192d01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a01654cf4d1268130577276d02330bb062639675f667b8e672c0615cd4192d01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a01654cf4d1268130577276d02330bb062639675f667b8e672c0615cd4192d01", kill_on_drop: false }`
[INFO] [stdout] a01654cf4d1268130577276d02330bb062639675f667b8e672c0615cd4192d01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d163ff37d2367d7b98601143fa3df90926bd798ab8e3a8028dda3e25353098d0
[INFO] running `Command { std: "docker" "start" "-a" "d163ff37d2367d7b98601143fa3df90926bd798ab8e3a8028dda3e25353098d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.19
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling parking_lot_core v0.9.5
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]     Checking futures-sink v0.3.25
[INFO] [stderr]     Checking fastrand v1.8.0
[INFO] [stderr]     Checking fastrand v2.0.1
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking flume v0.11.0
[INFO] [stderr]    Compiling crc32c v0.6.4
[INFO] [stderr]     Checking okaywal v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `set_len` is never used
[INFO] [stdout]    --> src/buffered.rs:154:8
[INFO] [stdout]     |
[INFO] [stdout] 152 | pub trait Bufferable {
[INFO] [stdout]     |           ---------- method in this trait
[INFO] [stdout] 153 |     fn len(&self) -> io::Result<u64>;
[INFO] [stdout] 154 |     fn set_len(&self, new_length: u64) -> io::Result<()>;
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `WriteBuffer` is never constructed
[INFO] [stdout]    --> src/buffered.rs:168:12
[INFO] [stdout]     |
[INFO] [stdout] 168 | pub struct WriteBuffer {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set_len` is never used
[INFO] [stdout]    --> src/buffered.rs:154:8
[INFO] [stdout]     |
[INFO] [stdout] 152 | pub trait Bufferable {
[INFO] [stdout]     |           ---------- method in this trait
[INFO] [stdout] 153 |     fn len(&self) -> io::Result<u64>;
[INFO] [stdout] 154 |     fn set_len(&self, new_length: u64) -> io::Result<()>;
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `WriteBuffer` is never constructed
[INFO] [stdout]    --> src/buffered.rs:168:12
[INFO] [stdout]     |
[INFO] [stdout] 168 | pub struct WriteBuffer {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.49s
[INFO] running `Command { std: "docker" "inspect" "d163ff37d2367d7b98601143fa3df90926bd798ab8e3a8028dda3e25353098d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d163ff37d2367d7b98601143fa3df90926bd798ab8e3a8028dda3e25353098d0", kill_on_drop: false }`
[INFO] [stdout] d163ff37d2367d7b98601143fa3df90926bd798ab8e3a8028dda3e25353098d0
