[INFO] fetching crate termsnap 0.4.0...
[INFO] testing termsnap-0.4.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate termsnap 0.4.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate termsnap 0.4.0
[INFO] finished tweaking crates.io crate termsnap 0.4.0
[INFO] tweaked toml for crates.io crate termsnap 0.4.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate termsnap 0.4.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate termsnap 0.4.0 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f674aa4d4d66d76cc3497ea8eabb1b39fee9ef9f58559dd7b413f48b0f4273d5
[INFO] running `Command { std: "docker" "start" "-a" "f674aa4d4d66d76cc3497ea8eabb1b39fee9ef9f58559dd7b413f48b0f4273d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f674aa4d4d66d76cc3497ea8eabb1b39fee9ef9f58559dd7b413f48b0f4273d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f674aa4d4d66d76cc3497ea8eabb1b39fee9ef9f58559dd7b413f48b0f4273d5", kill_on_drop: false }`
[INFO] [stdout] f674aa4d4d66d76cc3497ea8eabb1b39fee9ef9f58559dd7b413f48b0f4273d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3428f588e15e104546c8e0496a8d11e610520460fbc4739f9e65f8bd82d2085e
[INFO] running `Command { std: "docker" "start" "-a" "3428f588e15e104546c8e0496a8d11e610520460fbc4739f9e65f8bd82d2085e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.85
[INFO] [stderr]    Compiling rustix v0.38.34
[INFO] [stderr]    Compiling linux-raw-sys v0.4.14
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling anstyle-parse v0.2.4
[INFO] [stderr]    Compiling anstyle v1.0.7
[INFO] [stderr]    Compiling regex-syntax v0.8.4
[INFO] [stderr]    Compiling colorchoice v1.0.1
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.0
[INFO] [stderr]    Compiling anstyle-query v1.1.0
[INFO] [stderr]    Compiling cursor-icon v1.1.0
[INFO] [stderr]    Compiling log v0.4.21
[INFO] [stderr]    Compiling clap_lex v0.7.1
[INFO] [stderr]    Compiling home v0.5.9
[INFO] [stderr]    Compiling arrayvec v0.7.4
[INFO] [stderr]    Compiling anstream v0.6.14
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]    Compiling clap_builder v4.5.7
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.66
[INFO] [stderr]    Compiling vte_generate_state_changes v0.1.2
[INFO] [stderr]    Compiling regex-automata v0.4.7
[INFO] [stderr]    Compiling serde_derive v1.0.203
[INFO] [stderr]    Compiling clap_derive v4.5.5
[INFO] [stderr]    Compiling clap v4.5.7
[INFO] [stderr]    Compiling serde v1.0.203
[INFO] [stderr]    Compiling bitflags v2.5.0
[INFO] [stderr]    Compiling vte v0.13.0
[INFO] [stderr]    Compiling rustix-openpty v0.1.1
[INFO] [stderr]    Compiling polling v3.7.2
[INFO] [stderr]    Compiling alacritty_terminal v0.24.0
[INFO] [stderr]    Compiling termsnap-lib v0.4.0
[INFO] [stderr]    Compiling termsnap v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `err` is never read
[INFO] [stdout]   --> src/ringbuffer.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Err {
[INFO] [stdout]    |     --- field in this variant
[INFO] [stdout] 14 |         bytes: Bytes<'b>,
[INFO] [stdout] 15 |         err: std::io::Error,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.96s
[INFO] running `Command { std: "docker" "inspect" "3428f588e15e104546c8e0496a8d11e610520460fbc4739f9e65f8bd82d2085e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3428f588e15e104546c8e0496a8d11e610520460fbc4739f9e65f8bd82d2085e", kill_on_drop: false }`
[INFO] [stdout] 3428f588e15e104546c8e0496a8d11e610520460fbc4739f9e65f8bd82d2085e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5866b3a3259ac9f73e61889de587351fc1f6c54a74e6fb34ea481e3bcdbc244b
[INFO] running `Command { std: "docker" "start" "-a" "5866b3a3259ac9f73e61889de587351fc1f6c54a74e6fb34ea481e3bcdbc244b", kill_on_drop: false }`
[INFO] [stderr]    Compiling termsnap v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `err` is never read
[INFO] [stdout]   --> src/ringbuffer.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Err {
[INFO] [stdout]    |     --- field in this variant
[INFO] [stdout] 14 |         bytes: Bytes<'b>,
[INFO] [stdout] 15 |         err: std::io::Error,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.76s
[INFO] running `Command { std: "docker" "inspect" "5866b3a3259ac9f73e61889de587351fc1f6c54a74e6fb34ea481e3bcdbc244b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5866b3a3259ac9f73e61889de587351fc1f6c54a74e6fb34ea481e3bcdbc244b", kill_on_drop: false }`
[INFO] [stdout] 5866b3a3259ac9f73e61889de587351fc1f6c54a74e6fb34ea481e3bcdbc244b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0150497dacedf0b4c6a3091e94fb2200e5c385fa02dc70284c43e5bf630ffec0
[INFO] running `Command { std: "docker" "start" "-a" "0150497dacedf0b4c6a3091e94fb2200e5c385fa02dc70284c43e5bf630ffec0", kill_on_drop: false }`
[INFO] [stderr] warning: field `err` is never read
[INFO] [stderr]   --> src/ringbuffer.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 13 |     Err {
[INFO] [stderr]    |     --- field in this variant
[INFO] [stderr] 14 |         bytes: Bytes<'b>,
[INFO] [stderr] 15 |         err: std::io::Error,
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `termsnap` (bin "termsnap" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/termsnap-98bf32658e0622d5)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr] fatal runtime error: IO Safety violation: owned file descriptor already closed, aborting
[INFO] [stderr] error: test failed, to rerun pass `--bin termsnap`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/termsnap-98bf32658e0622d5` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "0150497dacedf0b4c6a3091e94fb2200e5c385fa02dc70284c43e5bf630ffec0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0150497dacedf0b4c6a3091e94fb2200e5c385fa02dc70284c43e5bf630ffec0", kill_on_drop: false }`
[INFO] [stdout] 0150497dacedf0b4c6a3091e94fb2200e5c385fa02dc70284c43e5bf630ffec0
