[INFO] fetching crate waly 0.1.4...
[INFO] testing waly-0.1.4 against try#db823df02fd0c2cf67b43025ac3fef3f2d743245 for pr-150681
[INFO] extracting crate waly 0.1.4 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate waly 0.1.4
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate waly 0.1.4
[INFO] tweaked toml for crates.io crate waly 0.1.4 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate waly 0.1.4 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 crates.io crate waly 0.1.4 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 47298574fddcc3eb63184e924ca0114f15703788077ba116d5f46cb82333bd4f
[INFO] running `Command { std: "docker" "start" "-a" "47298574fddcc3eb63184e924ca0114f15703788077ba116d5f46cb82333bd4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47298574fddcc3eb63184e924ca0114f15703788077ba116d5f46cb82333bd4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47298574fddcc3eb63184e924ca0114f15703788077ba116d5f46cb82333bd4f", kill_on_drop: false }`
[INFO] [stdout] 47298574fddcc3eb63184e924ca0114f15703788077ba116d5f46cb82333bd4f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 455b9069b8904edc69e243a766bf0217085d82d869adaa8c2384ea6608138573
[INFO] running `Command { std: "docker" "start" "-a" "455b9069b8904edc69e243a766bf0217085d82d869adaa8c2384ea6608138573", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling waly v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.05s
[INFO] running `Command { std: "docker" "inspect" "455b9069b8904edc69e243a766bf0217085d82d869adaa8c2384ea6608138573", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "455b9069b8904edc69e243a766bf0217085d82d869adaa8c2384ea6608138573", kill_on_drop: false }`
[INFO] [stdout] 455b9069b8904edc69e243a766bf0217085d82d869adaa8c2384ea6608138573
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 0ddf230e87378899113ee7d4fb12bd28bf7d83584815e469c9d71062d953c77a
[INFO] running `Command { std: "docker" "start" "-a" "0ddf230e87378899113ee7d4fb12bd28bf7d83584815e469c9d71062d953c77a", kill_on_drop: false }`
[INFO] [stderr]    Compiling waly v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "0ddf230e87378899113ee7d4fb12bd28bf7d83584815e469c9d71062d953c77a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ddf230e87378899113ee7d4fb12bd28bf7d83584815e469c9d71062d953c77a", kill_on_drop: false }`
[INFO] [stdout] 0ddf230e87378899113ee7d4fb12bd28bf7d83584815e469c9d71062d953c77a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 8d50aa07aa03339121ba2057eddb1759ca4645bca5f681290a21a5add96cc3a8
[INFO] running `Command { std: "docker" "start" "-a" "8d50aa07aa03339121ba2057eddb1759ca4645bca5f681290a21a5add96cc3a8", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/waly-d3527eee0c7c1ddd)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests waly
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - WriteAheadLog::clear_id (line 261) ... FAILED
[INFO] [stdout] test src/lib.rs - WriteAheadLog::new (line 86) ... FAILED
[INFO] [stdout] test src/lib.rs - WriteAheadLog::append (line 155) ... FAILED
[INFO] [stdout] test src/lib.rs - WriteAheadLog::clear (line 231) ... FAILED
[INFO] [stdout] test src/lib.rs - WriteAheadLog::read_all (line 193) ... FAILED
[INFO] [stdout] test src/lib.rs - WriteAheadLog (line 46) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - WriteAheadLog::clear_id (line 261) stdout ----
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]    --> src/lib.rs:265:41
[INFO] [stdout]     |
[INFO] [stdout] 262 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_261_0() {
[INFO] [stdout]     |                                      ----------------------------------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] ...
[INFO] [stdout] 265 | let wal = WriteAheadLog::new("logs.wal")?;
[INFO] [stdout]     |                                         ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout]     |
[INFO] [stdout] help: consider adding return type
[INFO] [stdout]     |
[INFO] [stdout] 262 ~ fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_261_0() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout] 263 | use waly::WriteAheadLog;
[INFO] [stdout] ...
[INFO] [stdout] 267 | println!("Entry with ID 123 removed");
[INFO] [stdout] 268 +     Ok(())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]    --> src/lib.rs:266:18
[INFO] [stdout]     |
[INFO] [stdout] 262 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_261_0() {
[INFO] [stdout]     |                                      ----------------------------------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] ...
[INFO] [stdout] 266 | wal.clear_id(123)?;
[INFO] [stdout]     |                  ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout]     |
[INFO] [stdout] help: consider adding return type
[INFO] [stdout]     |
[INFO] [stdout] 262 ~ fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_261_0() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout] 263 | use waly::WriteAheadLog;
[INFO] [stdout] ...
[INFO] [stdout] 267 | println!("Entry with ID 123 removed");
[INFO] [stdout] 268 +     Ok(())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - WriteAheadLog::new (line 86) stdout ----
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]   --> src/lib.rs:90:41
[INFO] [stdout]    |
[INFO] [stdout] 87 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_86_0() {
[INFO] [stdout]    |                                      ---------------------------------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] ...
[INFO] [stdout] 90 | let wal = WriteAheadLog::new("logs.wal")?;
[INFO] [stdout]    |                                         ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout]    |
[INFO] [stdout] help: consider adding return type
[INFO] [stdout]    |
[INFO] [stdout] 87 ~ fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_86_0() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout] 88 | use waly::WriteAheadLog;
[INFO] [stdout] 89 |
[INFO] [stdout] 90 | let wal = WriteAheadLog::new("logs.wal")?;
[INFO] [stdout] 91 +     Ok(())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - WriteAheadLog::append (line 155) stdout ----
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]    --> src/lib.rs:159:45
[INFO] [stdout]     |
[INFO] [stdout] 156 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_155_0() {
[INFO] [stdout]     |                                      ----------------------------------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] ...
[INFO] [stdout] 159 | let mut wal = WriteAheadLog::new("logs.wal")?;
[INFO] [stdout]     |                                             ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout]     |
[INFO] [stdout] help: consider adding return type
[INFO] [stdout]     |
[INFO] [stdout] 156 ~ fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_155_0() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout] 157 | use waly::WriteAheadLog;
[INFO] [stdout] ...
[INFO] [stdout] 161 | println!("Appended entry: {:?}", entry);
[INFO] [stdout] 162 +     Ok(())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]    --> src/lib.rs:160:51
[INFO] [stdout]     |
[INFO] [stdout] 156 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_155_0() {
[INFO] [stdout]     |                                      ----------------------------------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] ...
[INFO] [stdout] 160 | let entry = wal.append(b"important data".to_vec())?;
[INFO] [stdout]     |                                                   ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout]     |
[INFO] [stdout] help: consider adding return type
[INFO] [stdout]     |
[INFO] [stdout] 156 ~ fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_155_0() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout] 157 | use waly::WriteAheadLog;
[INFO] [stdout] ...
[INFO] [stdout] 161 | println!("Appended entry: {:?}", entry);
[INFO] [stdout] 162 +     Ok(())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - WriteAheadLog::clear (line 231) stdout ----
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]    --> src/lib.rs:235:41
[INFO] [stdout]     |
[INFO] [stdout] 232 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_231_0() {
[INFO] [stdout]     |                                      ----------------------------------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] ...
[INFO] [stdout] 235 | let wal = WriteAheadLog::new("logs.wal")?;
[INFO] [stdout]     |                                         ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout]     |
[INFO] [stdout] help: consider adding return type
[INFO] [stdout]     |
[INFO] [stdout] 232 ~ fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_231_0() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout] 233 | use waly::WriteAheadLog;
[INFO] [stdout] ...
[INFO] [stdout] 237 | println!("Log cleared successfully");
[INFO] [stdout] 238 +     Ok(())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]    --> src/lib.rs:236:12
[INFO] [stdout]     |
[INFO] [stdout] 232 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_231_0() {
[INFO] [stdout]     |                                      ----------------------------------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] ...
[INFO] [stdout] 236 | wal.clear()?;
[INFO] [stdout]     |            ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout]     |
[INFO] [stdout] help: consider adding return type
[INFO] [stdout]     |
[INFO] [stdout] 232 ~ fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_231_0() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout] 233 | use waly::WriteAheadLog;
[INFO] [stdout] ...
[INFO] [stdout] 237 | println!("Log cleared successfully");
[INFO] [stdout] 238 +     Ok(())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - WriteAheadLog::read_all (line 193) stdout ----
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]    --> src/lib.rs:197:41
[INFO] [stdout]     |
[INFO] [stdout] 194 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_193_0() {
[INFO] [stdout]     |                                      ----------------------------------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] ...
[INFO] [stdout] 197 | let wal = WriteAheadLog::new("logs.wal")?;
[INFO] [stdout]     |                                         ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout]     |
[INFO] [stdout] help: consider adding return type
[INFO] [stdout]     |
[INFO] [stdout] 194 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_193_0() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]     |                                                                          +++++++++++++++++++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]    --> src/lib.rs:198:29
[INFO] [stdout]     |
[INFO] [stdout] 194 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_193_0() {
[INFO] [stdout]     |                                      ----------------------------------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] ...
[INFO] [stdout] 198 | let entries = wal.read_all()?;
[INFO] [stdout]     |                             ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout]     |
[INFO] [stdout] help: consider adding return type
[INFO] [stdout]     |
[INFO] [stdout] 194 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_193_0() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]     |                                                                          +++++++++++++++++++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - WriteAheadLog (line 46) stdout ----
[INFO] [stdout] Test executable failed (exit status: 1).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] Error: Io(Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" })
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - WriteAheadLog (line 46)
[INFO] [stdout]     src/lib.rs - WriteAheadLog::append (line 155)
[INFO] [stdout]     src/lib.rs - WriteAheadLog::clear (line 231)
[INFO] [stdout]     src/lib.rs - WriteAheadLog::clear_id (line 261)
[INFO] [stdout]     src/lib.rs - WriteAheadLog::new (line 86)
[INFO] [stdout]     src/lib.rs - WriteAheadLog::read_all (line 193)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 6 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.66s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "8d50aa07aa03339121ba2057eddb1759ca4645bca5f681290a21a5add96cc3a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d50aa07aa03339121ba2057eddb1759ca4645bca5f681290a21a5add96cc3a8", kill_on_drop: false }`
[INFO] [stdout] 8d50aa07aa03339121ba2057eddb1759ca4645bca5f681290a21a5add96cc3a8
