[INFO] cloning repository https://github.com/wHoIsDReAmer/wal-poc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wHoIsDReAmer/wal-poc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FwHoIsDReAmer%2Fwal-poc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FwHoIsDReAmer%2Fwal-poc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6a27d44d9328e927044a59914efc724f8477a37b
[INFO] testing wHoIsDReAmer/wal-poc against try#db823df02fd0c2cf67b43025ac3fef3f2d743245 for pr-150681
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FwHoIsDReAmer%2Fwal-poc" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/wHoIsDReAmer/wal-poc
[INFO] finished tweaking git repo https://github.com/wHoIsDReAmer/wal-poc
[INFO] tweaked toml for git repo https://github.com/wHoIsDReAmer/wal-poc written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/wHoIsDReAmer/wal-poc on toolchain db823df02fd0c2cf67b43025ac3fef3f2d743245
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/wHoIsDReAmer/wal-poc 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" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7edf486801df0758d9d74bca6738bfc8a174070a71acf760f8bceb5b83bdf0af
[INFO] running `Command { std: "docker" "start" "-a" "7edf486801df0758d9d74bca6738bfc8a174070a71acf760f8bceb5b83bdf0af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7edf486801df0758d9d74bca6738bfc8a174070a71acf760f8bceb5b83bdf0af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7edf486801df0758d9d74bca6738bfc8a174070a71acf760f8bceb5b83bdf0af", kill_on_drop: false }`
[INFO] [stdout] 7edf486801df0758d9d74bca6738bfc8a174070a71acf760f8bceb5b83bdf0af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f55e43a01096378b35c83e47e8926536759cb28f529a7b8d42a544cd7703fc7c
[INFO] running `Command { std: "docker" "start" "-a" "f55e43a01096378b35c83e47e8926536759cb28f529a7b8d42a544cd7703fc7c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling itertools v0.4.19
[INFO] [stderr]    Compiling residua-zigzag v0.1.0
[INFO] [stderr]    Compiling from_bytes_or_zeroed v0.1.0
[INFO] [stderr]    Compiling bytemuck v1.17.1
[INFO] [stderr]    Compiling packagemerge v0.1.0
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.76
[INFO] [stderr]    Compiling bitcode_derive v0.1.4
[INFO] [stderr]    Compiling bitcode v0.4.0
[INFO] [stderr]    Compiling wal-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `entry`
[INFO] [stdout]   --> src/wal/core.rs:48:34
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn check_and_mark(&mut self, entry: &WALEntry) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_entry`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buffered`
[INFO] [stdout]    --> src/wal/core.rs:153:24
[INFO] [stdout]     |
[INFO] [stdout] 153 |         let (sequence, buffered) = self.load_data()?;
[INFO] [stdout]     |                        ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_buffered`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `WALEntry` is never constructed
[INFO] [stdout]  --> src/wal/core.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct WALEntry {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `size` is never used
[INFO] [stdout]   --> src/wal/core.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl WALEntry {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] 16 |     fn size(&self) -> usize {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `EntryType` is never used
[INFO] [stdout]   --> src/wal/core.rs:24:10
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub enum EntryType {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `WALManager` is never constructed
[INFO] [stdout]   --> src/wal/core.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub struct WALManager {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `builder`, `check_and_mark`, `append`, `append_log`, `checkpoint`, and `get_current_secs` are never used
[INFO] [stdout]   --> src/wal/core.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 43 | impl WALManager {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] 44 |     pub fn builder() -> WALBuilder {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     fn check_and_mark(&mut self, entry: &WALEntry) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 |     fn append(&mut self, entry: WALEntry) -> Result<(), Box<dyn Error>>{
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 68 |     pub fn append_log(&mut self, entry: WALEntry) -> Result<(), Box<dyn Error>>{
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 76 |     pub fn checkpoint(&mut self) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 90 |     pub fn get_current_secs() -> f64 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `WALBuilder` is never constructed
[INFO] [stdout]   --> src/wal/core.rs:99:12
[INFO] [stdout]    |
[INFO] [stdout] 99 | pub struct WALBuilder {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `set_page_size`, `set_directory`, `load_data`, and `build` are never used
[INFO] [stdout]    --> src/wal/core.rs:111:12
[INFO] [stdout]     |
[INFO] [stdout] 110 | impl WALBuilder {
[INFO] [stdout]     | --------------- methods in this implementation
[INFO] [stdout] 111 |     pub fn set_page_size(mut self, page_size: usize) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 116 |     pub fn set_directory(mut self, directory: PathBuf) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 121 |     fn load_data(&self) -> Result<(usize, Vec<WALEntry>), std::io::Error> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 152 |     pub fn build(self) -> Result<WALManager, std::io::Error> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]  --> src/wal/core.rs:7:24
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[derive(Clone, Debug, Encode, Decode)]
[INFO] [stdout]   |                        ^^^^^^ the borrow produces a value
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]   = note: this warning originates in the macro `flush` which comes from the expansion of the derive macro `Encode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]  --> src/wal/core.rs:7:32
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[derive(Clone, Debug, Encode, Decode)]
[INFO] [stdout]   |                                ^^^^^^ the borrow produces a value
[INFO] [stdout]   |
[INFO] [stdout]   = note: this warning originates in the macro `flush` which comes from the expansion of the derive macro `Decode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/wal/core.rs:23:24
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[derive(Clone, Debug, Encode, Decode)]
[INFO] [stdout]    |                        ^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `flush` which comes from the expansion of the derive macro `Encode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/wal/core.rs:23:24
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[derive(Clone, Debug, Encode, Decode)]
[INFO] [stdout]    |                        ^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `flush` which comes from the expansion of the derive macro `Encode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/wal/core.rs:23:24
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[derive(Clone, Debug, Encode, Decode)]
[INFO] [stdout]    |                        ^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `flush` which comes from the expansion of the derive macro `Encode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/wal/core.rs:23:24
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[derive(Clone, Debug, Encode, Decode)]
[INFO] [stdout]    |                        ^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `flush` which comes from the expansion of the derive macro `Encode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/wal/core.rs:23:24
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[derive(Clone, Debug, Encode, Decode)]
[INFO] [stdout]    |                        ^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `flush` which comes from the expansion of the derive macro `Encode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/wal/core.rs:23:24
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[derive(Clone, Debug, Encode, Decode)]
[INFO] [stdout]    |                        ^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `flush` which comes from the expansion of the derive macro `Encode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/wal/core.rs:23:32
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[derive(Clone, Debug, Encode, Decode)]
[INFO] [stdout]    |                                ^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `flush` which comes from the expansion of the derive macro `Decode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/wal/core.rs:23:32
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[derive(Clone, Debug, Encode, Decode)]
[INFO] [stdout]    |                                ^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `flush` which comes from the expansion of the derive macro `Decode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/wal/core.rs:23:32
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[derive(Clone, Debug, Encode, Decode)]
[INFO] [stdout]    |                                ^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `flush` which comes from the expansion of the derive macro `Decode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/wal/core.rs:23:32
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[derive(Clone, Debug, Encode, Decode)]
[INFO] [stdout]    |                                ^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `flush` which comes from the expansion of the derive macro `Decode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/wal/core.rs:23:32
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[derive(Clone, Debug, Encode, Decode)]
[INFO] [stdout]    |                                ^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `flush` which comes from the expansion of the derive macro `Decode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/wal/core.rs:23:32
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[derive(Clone, Debug, Encode, Decode)]
[INFO] [stdout]    |                                ^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `flush` which comes from the expansion of the derive macro `Decode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.65s
[INFO] running `Command { std: "docker" "inspect" "f55e43a01096378b35c83e47e8926536759cb28f529a7b8d42a544cd7703fc7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f55e43a01096378b35c83e47e8926536759cb28f529a7b8d42a544cd7703fc7c", kill_on_drop: false }`
[INFO] [stdout] f55e43a01096378b35c83e47e8926536759cb28f529a7b8d42a544cd7703fc7c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb7cb44819f5ce1c80979d171a616d36e2b78fca51daf975ccc89312e01dd63c
[INFO] running `Command { std: "docker" "start" "-a" "fb7cb44819f5ce1c80979d171a616d36e2b78fca51daf975ccc89312e01dd63c", kill_on_drop: false }`
[INFO] [stderr]    Compiling wal-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `entry`
[INFO] [stdout]   --> src/wal/core.rs:48:34
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn check_and_mark(&mut self, entry: &WALEntry) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_entry`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buffered`
[INFO] [stdout]    --> src/wal/core.rs:153:24
[INFO] [stdout]     |
[INFO] [stdout] 153 |         let (sequence, buffered) = self.load_data()?;
[INFO] [stdout]     |                        ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_buffered`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `set_page_size` and `set_directory` are never used
[INFO] [stdout]    --> src/wal/core.rs:111:12
[INFO] [stdout]     |
[INFO] [stdout] 110 | impl WALBuilder {
[INFO] [stdout]     | --------------- methods in this implementation
[INFO] [stdout] 111 |     pub fn set_page_size(mut self, page_size: usize) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 116 |     pub fn set_directory(mut self, directory: PathBuf) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]  --> src/wal/core.rs:7:24
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[derive(Clone, Debug, Encode, Decode)]
[INFO] [stdout]   |                        ^^^^^^ the borrow produces a value
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]   = note: this warning originates in the macro `flush` which comes from the expansion of the derive macro `Encode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]  --> src/wal/core.rs:7:32
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[derive(Clone, Debug, Encode, Decode)]
[INFO] [stdout]   |                                ^^^^^^ the borrow produces a value
[INFO] [stdout]   |
[INFO] [stdout]   = note: this warning originates in the macro `flush` which comes from the expansion of the derive macro `Decode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/wal/core.rs:23:24
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[derive(Clone, Debug, Encode, Decode)]
[INFO] [stdout]    |                        ^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `flush` which comes from the expansion of the derive macro `Encode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/wal/core.rs:23:24
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[derive(Clone, Debug, Encode, Decode)]
[INFO] [stdout]    |                        ^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `flush` which comes from the expansion of the derive macro `Encode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/wal/core.rs:23:24
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[derive(Clone, Debug, Encode, Decode)]
[INFO] [stdout]    |                        ^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `flush` which comes from the expansion of the derive macro `Encode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/wal/core.rs:23:24
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[derive(Clone, Debug, Encode, Decode)]
[INFO] [stdout]    |                        ^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `flush` which comes from the expansion of the derive macro `Encode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/wal/core.rs:23:24
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[derive(Clone, Debug, Encode, Decode)]
[INFO] [stdout]    |                        ^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `flush` which comes from the expansion of the derive macro `Encode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/wal/core.rs:23:24
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[derive(Clone, Debug, Encode, Decode)]
[INFO] [stdout]    |                        ^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `flush` which comes from the expansion of the derive macro `Encode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/wal/core.rs:23:32
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[derive(Clone, Debug, Encode, Decode)]
[INFO] [stdout]    |                                ^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `flush` which comes from the expansion of the derive macro `Decode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/wal/core.rs:23:32
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[derive(Clone, Debug, Encode, Decode)]
[INFO] [stdout]    |                                ^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `flush` which comes from the expansion of the derive macro `Decode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/wal/core.rs:23:32
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[derive(Clone, Debug, Encode, Decode)]
[INFO] [stdout]    |                                ^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `flush` which comes from the expansion of the derive macro `Decode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/wal/core.rs:23:32
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[derive(Clone, Debug, Encode, Decode)]
[INFO] [stdout]    |                                ^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `flush` which comes from the expansion of the derive macro `Decode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/wal/core.rs:23:32
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[derive(Clone, Debug, Encode, Decode)]
[INFO] [stdout]    |                                ^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `flush` which comes from the expansion of the derive macro `Decode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/wal/core.rs:23:32
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[derive(Clone, Debug, Encode, Decode)]
[INFO] [stdout]    |                                ^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `flush` which comes from the expansion of the derive macro `Decode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "fb7cb44819f5ce1c80979d171a616d36e2b78fca51daf975ccc89312e01dd63c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb7cb44819f5ce1c80979d171a616d36e2b78fca51daf975ccc89312e01dd63c", kill_on_drop: false }`
[INFO] [stdout] fb7cb44819f5ce1c80979d171a616d36e2b78fca51daf975ccc89312e01dd63c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 894b55ad83577e4a96f977f1ac39119685f424780c806dbfe3754e2e92136147
[INFO] running `Command { std: "docker" "start" "-a" "894b55ad83577e4a96f977f1ac39119685f424780c806dbfe3754e2e92136147", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `entry`
[INFO] [stderr]   --> src/wal/core.rs:48:34
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn check_and_mark(&mut self, entry: &WALEntry) -> Result<(), Box<dyn Error>> {
[INFO] [stderr]    |                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_entry`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `buffered`
[INFO] [stderr]    --> src/wal/core.rs:153:24
[INFO] [stderr]     |
[INFO] [stderr] 153 |         let (sequence, buffered) = self.load_data()?;
[INFO] [stderr]     |                        ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_buffered`
[INFO] [stderr] 
[INFO] [stderr] warning: methods `set_page_size` and `set_directory` are never used
[INFO] [stderr]    --> src/wal/core.rs:111:12
[INFO] [stderr]     |
[INFO] [stderr] 110 | impl WALBuilder {
[INFO] [stderr]     | --------------- methods in this implementation
[INFO] [stderr] 111 |     pub fn set_page_size(mut self, page_size: usize) -> Self {
[INFO] [stderr]     |            ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 116 |     pub fn set_directory(mut self, directory: PathBuf) -> Self {
[INFO] [stderr]     |            ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]  --> src/wal/core.rs:7:24
[INFO] [stderr]   |
[INFO] [stderr] 7 | #[derive(Clone, Debug, Encode, Decode)]
[INFO] [stderr]   |                        ^^^^^^ the borrow produces a value
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr]   = note: this warning originates in the macro `flush` which comes from the expansion of the derive macro `Encode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]  --> src/wal/core.rs:7:32
[INFO] [stderr]   |
[INFO] [stderr] 7 | #[derive(Clone, Debug, Encode, Decode)]
[INFO] [stderr]   |                                ^^^^^^ the borrow produces a value
[INFO] [stderr]   |
[INFO] [stderr]   = note: this warning originates in the macro `flush` which comes from the expansion of the derive macro `Decode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]   --> src/wal/core.rs:23:24
[INFO] [stderr]    |
[INFO] [stderr] 23 | #[derive(Clone, Debug, Encode, Decode)]
[INFO] [stderr]    |                        ^^^^^^ the borrow produces a value
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `flush` which comes from the expansion of the derive macro `Encode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]   --> src/wal/core.rs:23:32
[INFO] [stderr]    |
[INFO] [stderr] 23 | #[derive(Clone, Debug, Encode, Decode)]
[INFO] [stderr]    |                                ^^^^^^ the borrow produces a value
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `flush` which comes from the expansion of the derive macro `Decode` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `wal-test` (bin "wal-test" test) generated 17 warnings (10 duplicates) (run `cargo fix --bin "wal-test" -p wal-test --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/wal_test-9d21771711da02a6)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test wal::core::io_tests::test_create ... ok
[INFO] [stdout] test wal::core::io_tests::test_append_wal ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- wal::core::io_tests::test_append_wal stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'wal::core::io_tests::test_append_wal' (24) panicked at src/wal/core.rs:193:13:
[INFO] [stdout] assertion failed: result.is_ok()
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x583fd01e7fe2 - std[3f03f8b59f91bef1]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x583fd01e7fe2 - std[3f03f8b59f91bef1]::backtrace_rs::backtrace::trace_unsynchronized::<std[3f03f8b59f91bef1]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x583fd01e7fe2 - std[3f03f8b59f91bef1]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x583fd01e7fe2 - <<std[3f03f8b59f91bef1]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[585f66e14d78f9ba]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x583fd01fcb0a - <core[585f66e14d78f9ba]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x583fd01fcb0a - core[585f66e14d78f9ba]::fmt::write
[INFO] [stdout]    6:     0x583fd01ed096 - std[3f03f8b59f91bef1]::io::default_write_fmt::<alloc[15e7b27aba85d2e2]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x583fd01ed096 - <alloc[15e7b27aba85d2e2]::vec::Vec<u8> as std[3f03f8b59f91bef1]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x583fd01c5d8f - <std[3f03f8b59f91bef1]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x583fd01c5d8f - std[3f03f8b59f91bef1]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x583fd01dfc49 - std[3f03f8b59f91bef1]::panicking::default_hook
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x583fd0173dce - <alloc[15e7b27aba85d2e2]::boxed::Box<dyn for<'a, 'b> core[585f66e14d78f9ba]::ops::function::Fn<(&'a std[3f03f8b59f91bef1]::panic::PanicHookInfo<'b>,), Output = ()> + core[585f66e14d78f9ba]::marker::Sync + core[585f66e14d78f9ba]::marker::Send> as core[585f66e14d78f9ba]::ops::function::Fn<(&std[3f03f8b59f91bef1]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x583fd0173dce - test[30224e0cb089acd2]::test_main_with_exit_callback::<test[30224e0cb089acd2]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x583fd01dfe02 - <alloc[15e7b27aba85d2e2]::boxed::Box<dyn for<'a, 'b> core[585f66e14d78f9ba]::ops::function::Fn<(&'a std[3f03f8b59f91bef1]::panic::PanicHookInfo<'b>,), Output = ()> + core[585f66e14d78f9ba]::marker::Sync + core[585f66e14d78f9ba]::marker::Send> as core[585f66e14d78f9ba]::ops::function::Fn<(&std[3f03f8b59f91bef1]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x583fd01dfe02 - std[3f03f8b59f91bef1]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x583fd01c5e7a - std[3f03f8b59f91bef1]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:691:13
[INFO] [stdout]   16:     0x583fd01baea9 - std[3f03f8b59f91bef1]::sys::backtrace::__rust_end_short_backtrace::<std[3f03f8b59f91bef1]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x583fd01c6c9d - __rustc[caa99d26c7bae192]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x583fd01fd17c - core[585f66e14d78f9ba]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x583fd01fd142 - core[585f66e14d78f9ba]::panicking::panic
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panicking.rs:150:5
[INFO] [stdout]   20:     0x583fd0112e52 - wal_test[871e421874358b1e]::wal::core::io_tests::test_append_wal
[INFO] [stdout]                                at /opt/rustwide/workdir/src/wal/core.rs:193:13
[INFO] [stdout]   21:     0x583fd01110c7 - wal_test[871e421874358b1e]::wal::core::io_tests::test_append_wal::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/wal/core.rs:179:25
[INFO] [stdout]   22:     0x583fd01146a6 - <wal_test[871e421874358b1e]::wal::core::io_tests::test_append_wal::{closure#0} as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x583fd016817b - <fn() -> core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x583fd016817b - test[30224e0cb089acd2]::__rust_begin_short_backtrace::<core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>, fn() -> core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:663:18
[INFO] [stdout]   25:     0x583fd01749da - test[30224e0cb089acd2]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:686:74
[INFO] [stdout]   26:     0x583fd01749da - <core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<test[30224e0cb089acd2]::run_test_in_process::{closure#0}> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   27:     0x583fd01749da - std[3f03f8b59f91bef1]::panicking::catch_unwind::do_call::<core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<test[30224e0cb089acd2]::run_test_in_process::{closure#0}>, core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:581:40
[INFO] [stdout]   28:     0x583fd01749da - std[3f03f8b59f91bef1]::panicking::catch_unwind::<core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>, core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<test[30224e0cb089acd2]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:544:19
[INFO] [stdout]   29:     0x583fd01749da - std[3f03f8b59f91bef1]::panic::catch_unwind::<core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<test[30224e0cb089acd2]::run_test_in_process::{closure#0}>, core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x583fd01749da - test[30224e0cb089acd2]::run_test_in_process
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:686:27
[INFO] [stdout]   31:     0x583fd01749da - test[30224e0cb089acd2]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:607:43
[INFO] [stdout]   32:     0x583fd016eea4 - test[30224e0cb089acd2]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:637:41
[INFO] [stdout]   33:     0x583fd016eea4 - std[3f03f8b59f91bef1]::sys::backtrace::__rust_begin_short_backtrace::<test[30224e0cb089acd2]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   34:     0x583fd01774d2 - std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked::<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   35:     0x583fd01774d2 - <core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   36:     0x583fd01774d2 - std[3f03f8b59f91bef1]::panicking::catch_unwind::do_call::<core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:581:40
[INFO] [stdout]   37:     0x583fd01774d2 - std[3f03f8b59f91bef1]::panicking::catch_unwind::<(), core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:544:19
[INFO] [stdout]   38:     0x583fd01774d2 - std[3f03f8b59f91bef1]::panic::catch_unwind::<core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panic.rs:359:14
[INFO] [stdout]   39:     0x583fd01774d2 - std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked::<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   40:     0x583fd01774d2 - <std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1} as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x583fd01e738f - <alloc[15e7b27aba85d2e2]::boxed::Box<dyn core[585f66e14d78f9ba]::ops::function::FnOnce<(), Output = ()> + core[585f66e14d78f9ba]::marker::Send> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   42:     0x583fd01e738f - <std[3f03f8b59f91bef1]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/thread/unix.rs:119:17
[INFO] [stdout]   43:     0x7f1cf8ecbaa4 - <unknown>
[INFO] [stdout]   44:     0x7f1cf8f58a64 - clone
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     wal::core::io_tests::test_append_wal
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin wal-test`
[INFO] running `Command { std: "docker" "inspect" "894b55ad83577e4a96f977f1ac39119685f424780c806dbfe3754e2e92136147", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "894b55ad83577e4a96f977f1ac39119685f424780c806dbfe3754e2e92136147", kill_on_drop: false }`
[INFO] [stdout] 894b55ad83577e4a96f977f1ac39119685f424780c806dbfe3754e2e92136147
