[INFO] cloning repository https://github.com/danthegoodman1/WriteAhead
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/danthegoodman1/WriteAhead" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanthegoodman1%2FWriteAhead", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanthegoodman1%2FWriteAhead'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a6122a03ff8409fead2a8aa9952c62be94f8e64c
[INFO] building danthegoodman1/WriteAhead against master#44f415c1d617ebc7b931a243b7b321ef8a6ca47c for pr-142134-abi-ast-error
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanthegoodman1%2FWriteAhead" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/danthegoodman1/WriteAhead on toolchain 44f415c1d617ebc7b931a243b7b321ef8a6ca47c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/danthegoodman1/WriteAhead
[INFO] finished tweaking git repo https://github.com/danthegoodman1/WriteAhead
[INFO] tweaked toml for git repo https://github.com/danthegoodman1/WriteAhead written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/danthegoodman1/WriteAhead 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" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded io-uring v0.7.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 505100ba30ee734bf85752a6263a0beed28565cc865d46c29b934ced6480f07f
[INFO] running `Command { std: "docker" "start" "-a" "505100ba30ee734bf85752a6263a0beed28565cc865d46c29b934ced6480f07f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "505100ba30ee734bf85752a6263a0beed28565cc865d46c29b934ced6480f07f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "505100ba30ee734bf85752a6263a0beed28565cc865d46c29b934ced6480f07f", kill_on_drop: false }`
[INFO] [stdout] 505100ba30ee734bf85752a6263a0beed28565cc865d46c29b934ced6480f07f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c699e1c86e695a55a552473443f93614c746467c1d2b8df942b5f833103c5357
[INFO] running `Command { std: "docker" "start" "-a" "c699e1c86e695a55a552473443f93614c746467c1d2b8df942b5f833103c5357", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.15
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling once_cell v1.20.2
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling thiserror v2.0.9
[INFO] [stderr]    Compiling anyhow v1.0.95
[INFO] [stderr]    Compiling overload v0.1.1
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling io-uring v0.7.3
[INFO] [stderr]    Compiling nu-ansi-term v0.46.0
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling bytes v1.9.0
[INFO] [stderr]    Compiling tracing-core v0.1.33
[INFO] [stderr]    Compiling thread_local v1.1.8
[INFO] [stderr]    Compiling bitflags v2.6.0
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling tracing-subscriber v0.3.19
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.93
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling mio v1.0.3
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling socket2 v0.5.8
[INFO] [stderr]    Compiling nanorand v0.7.0
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling flume v0.11.1
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling thiserror-impl v2.0.9
[INFO] [stderr]    Compiling tracing-attributes v0.1.28
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]    Compiling tokio v1.42.0
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling writeahead v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `futures::executor::block_on`
[INFO] [stdout]  --> src/logfile.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use futures::executor::block_on;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::mpsc`
[INFO] [stdout]  --> src/logfile.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::sync::mpsc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `debug`
[INFO] [stdout]   --> src/logfile.rs:11:15
[INFO] [stdout]    |
[INFO] [stdout] 11 | use tracing::{debug, instrument, trace};
[INFO] [stdout]    |               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FileWriter`
[INFO] [stdout]  --> src/fileio/io_uring.rs:3:37
[INFO] [stdout]   |
[INFO] [stdout] 3 |     use crate::fileio::{FileReader, FileWriter};
[INFO] [stdout]   |                                     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/logfile.rs:282:21
[INFO] [stdout]     |
[INFO] [stdout] 282 |                 Err(e) => {
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.05s
[INFO] running `Command { std: "docker" "inspect" "c699e1c86e695a55a552473443f93614c746467c1d2b8df942b5f833103c5357", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c699e1c86e695a55a552473443f93614c746467c1d2b8df942b5f833103c5357", kill_on_drop: false }`
[INFO] [stdout] c699e1c86e695a55a552473443f93614c746467c1d2b8df942b5f833103c5357
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 04f1f8a073030c2651a01ea558a1edac4733e7129e03879d172f9a8e44581f87
[INFO] running `Command { std: "docker" "start" "-a" "04f1f8a073030c2651a01ea558a1edac4733e7129e03879d172f9a8e44581f87", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v2.6.0
[INFO] [stderr]    Compiling rustix v0.38.42
[INFO] [stderr]    Compiling linux-raw-sys v0.4.14
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling io-uring v0.7.3
[INFO] [stderr]    Compiling writeahead v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `futures::executor::block_on`
[INFO] [stdout]  --> src/logfile.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use futures::executor::block_on;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::mpsc`
[INFO] [stdout]  --> src/logfile.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::sync::mpsc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `debug`
[INFO] [stdout]   --> src/logfile.rs:11:15
[INFO] [stdout]    |
[INFO] [stdout] 11 | use tracing::{debug, instrument, trace};
[INFO] [stdout]    |               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FileWriter`
[INFO] [stdout]  --> src/fileio/io_uring.rs:3:37
[INFO] [stdout]   |
[INFO] [stdout] 3 |     use crate::fileio::{FileReader, FileWriter};
[INFO] [stdout]   |                                     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/logfile.rs:282:21
[INFO] [stdout]     |
[INFO] [stdout] 282 |                 Err(e) => {
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tempfile v3.14.0
[INFO] [stdout] warning: unused import: `futures::executor::block_on`
[INFO] [stdout]  --> src/logfile.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use futures::executor::block_on;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::mpsc`
[INFO] [stdout]  --> src/logfile.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::sync::mpsc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `debug`
[INFO] [stdout]   --> src/logfile.rs:11:15
[INFO] [stdout]    |
[INFO] [stdout] 11 | use tracing::{debug, instrument, trace};
[INFO] [stdout]    |               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FileWriter`
[INFO] [stdout]  --> src/fileio/io_uring.rs:3:37
[INFO] [stdout]   |
[INFO] [stdout] 3 |     use crate::fileio::{FileReader, FileWriter};
[INFO] [stdout]   |                                     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/logfile.rs:282:21
[INFO] [stdout]     |
[INFO] [stdout] 282 |                 Err(e) => {
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 7.17s
[INFO] running `Command { std: "docker" "inspect" "04f1f8a073030c2651a01ea558a1edac4733e7129e03879d172f9a8e44581f87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04f1f8a073030c2651a01ea558a1edac4733e7129e03879d172f9a8e44581f87", kill_on_drop: false }`
[INFO] [stdout] 04f1f8a073030c2651a01ea558a1edac4733e7129e03879d172f9a8e44581f87