[INFO] fetching crate okaywal 0.3.1...
[INFO] testing okaywal-0.3.1 against 1.91.0 for beta-1.92-2
[INFO] extracting crate okaywal 0.3.1 into /workspace/builds/worker-7-tc1/source
[INFO] removed /workspace/builds/worker-7-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-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate okaywal 0.3.1 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bumpalo v3.11.1
[INFO] [stderr]   Downloaded crc32c v0.6.4
[INFO] [stderr]   Downloaded futures-core v0.3.25
[INFO] [stderr]   Downloaded futures-sink v0.3.25
[INFO] [stderr]   Downloaded proc-macro2 v1.0.70
[INFO] [stderr]   Downloaded flume v0.11.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6162c3f7f231f6aa52e4b1b452ec2f3647e932691ab7111422e461745e386544
[INFO] running `Command { std: "docker" "start" "-a" "6162c3f7f231f6aa52e4b1b452ec2f3647e932691ab7111422e461745e386544", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6162c3f7f231f6aa52e4b1b452ec2f3647e932691ab7111422e461745e386544", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6162c3f7f231f6aa52e4b1b452ec2f3647e932691ab7111422e461745e386544", kill_on_drop: false }`
[INFO] [stdout] 6162c3f7f231f6aa52e4b1b452ec2f3647e932691ab7111422e461745e386544
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e67d5b9745508cd2232eb89008ae9696115bed11681c291d4258bc84117b4b5
[INFO] running `Command { std: "docker" "start" "-a" "7e67d5b9745508cd2232eb89008ae9696115bed11681c291d4258bc84117b4b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling semver v1.0.19
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling futures-sink v0.3.25
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling parking_lot_core v0.9.5
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling crc32c v0.6.4
[INFO] [stderr]    Compiling getrandom v0.2.8
[INFO] [stderr]    Compiling nanorand v0.7.0
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling flume v0.11.0
[INFO] [stderr]    Compiling 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.68s
[INFO] running `Command { std: "docker" "inspect" "7e67d5b9745508cd2232eb89008ae9696115bed11681c291d4258bc84117b4b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e67d5b9745508cd2232eb89008ae9696115bed11681c291d4258bc84117b4b5", kill_on_drop: false }`
[INFO] [stdout] 7e67d5b9745508cd2232eb89008ae9696115bed11681c291d4258bc84117b4b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 102186f42d52685841e8894eeb1a66f7581dee01eab35b683f429bc44f5837ad
[INFO] running `Command { std: "docker" "start" "-a" "102186f42d52685841e8894eeb1a66f7581dee01eab35b683f429bc44f5837ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling fastrand v1.8.0
[INFO] [stderr]    Compiling fastrand v2.0.1
[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]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling 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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.22s
[INFO] running `Command { std: "docker" "inspect" "102186f42d52685841e8894eeb1a66f7581dee01eab35b683f429bc44f5837ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "102186f42d52685841e8894eeb1a66f7581dee01eab35b683f429bc44f5837ad", kill_on_drop: false }`
[INFO] [stdout] 102186f42d52685841e8894eeb1a66f7581dee01eab35b683f429bc44f5837ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 58a1f7c7c7332d06dd7e701bc9ecfbe232a273b5bce5aa38003ba8e170b7f565
[INFO] running `Command { std: "docker" "start" "-a" "58a1f7c7c7332d06dd7e701bc9ecfbe232a273b5bce5aa38003ba8e170b7f565", kill_on_drop: false }`
[INFO] [stderr] warning: method `set_len` is never used
[INFO] [stderr]    --> src/buffered.rs:154:8
[INFO] [stderr]     |
[INFO] [stderr] 152 | pub trait Bufferable {
[INFO] [stderr]     |           ---------- method in this trait
[INFO] [stderr] 153 |     fn len(&self) -> io::Result<u64>;
[INFO] [stderr] 154 |     fn set_len(&self, new_length: u64) -> io::Result<()>;
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `WriteBuffer` is never constructed
[INFO] [stderr]    --> src/buffered.rs:168:12
[INFO] [stderr]     |
[INFO] [stderr] 168 | pub struct WriteBuffer {
[INFO] [stderr]     |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `okaywal` (lib) generated 2 warnings
[INFO] [stderr] warning: `okaywal` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/okaywal-8203f239e4945c33)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test entry::log_position_serialization ... ok
[INFO] [stdout] test tests::recover_after_first_rollback ... ok
[INFO] [stdout] test tests::aborted_entry ... ok
[INFO] [stdout] test tests::basic ... ok
[INFO] [stdout] test tests::multithreaded ... ok
[INFO] [stdout] test tests::always_checkpointing ... ok
[INFO] [stderr]    Doc-tests okaywal
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.18s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 35) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "58a1f7c7c7332d06dd7e701bc9ecfbe232a273b5bce5aa38003ba8e170b7f565", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58a1f7c7c7332d06dd7e701bc9ecfbe232a273b5bce5aa38003ba8e170b7f565", kill_on_drop: false }`
[INFO] [stdout] 58a1f7c7c7332d06dd7e701bc9ecfbe232a273b5bce5aa38003ba8e170b7f565
