[INFO] fetching crate read-logger 0.2.0...
[INFO] testing read-logger-0.2.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate read-logger 0.2.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate read-logger 0.2.0
[INFO] finished tweaking crates.io crate read-logger 0.2.0
[INFO] tweaked toml for crates.io crate read-logger 0.2.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate read-logger 0.2.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 25 packages to latest compatible versions
[INFO] [stderr]       Adding env_logger v0.10.2 (available: v0.11.8)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 368518a8a840236015e40721000799d7ae1eb8e53b52cdf176949ec77eee52a4
[INFO] running `Command { std: "docker" "start" "-a" "368518a8a840236015e40721000799d7ae1eb8e53b52cdf176949ec77eee52a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "368518a8a840236015e40721000799d7ae1eb8e53b52cdf176949ec77eee52a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "368518a8a840236015e40721000799d7ae1eb8e53b52cdf176949ec77eee52a4", kill_on_drop: false }`
[INFO] [stdout] 368518a8a840236015e40721000799d7ae1eb8e53b52cdf176949ec77eee52a4
[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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 50844993e22ec7eb8858f9dbe9750c53a17f53278cb135ba0bc2b53adc14257e
[INFO] running `Command { std: "docker" "start" "-a" "50844993e22ec7eb8858f9dbe9750c53a17f53278cb135ba0bc2b53adc14257e", kill_on_drop: false }`
[INFO] [stderr]    Compiling read-logger v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "50844993e22ec7eb8858f9dbe9750c53a17f53278cb135ba0bc2b53adc14257e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50844993e22ec7eb8858f9dbe9750c53a17f53278cb135ba0bc2b53adc14257e", kill_on_drop: false }`
[INFO] [stdout] 50844993e22ec7eb8858f9dbe9750c53a17f53278cb135ba0bc2b53adc14257e
[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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a302f3357ead30e29900b939010827cb8a1a0895edfbbfe899852c66549aa2da
[INFO] running `Command { std: "docker" "start" "-a" "a302f3357ead30e29900b939010827cb8a1a0895edfbbfe899852c66549aa2da", kill_on_drop: false }`
[INFO] [stderr]    Compiling humantime v2.3.0
[INFO] [stderr]    Compiling read-logger v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling is-terminal v0.4.16
[INFO] [stderr]    Compiling env_logger v0.10.2
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "a302f3357ead30e29900b939010827cb8a1a0895edfbbfe899852c66549aa2da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a302f3357ead30e29900b939010827cb8a1a0895edfbbfe899852c66549aa2da", kill_on_drop: false }`
[INFO] [stdout] a302f3357ead30e29900b939010827cb8a1a0895edfbbfe899852c66549aa2da
[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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 828696a02e129abc045a36ddbeed89b00c529b723be43e86276ada9ca1d2e037
[INFO] running `Command { std: "docker" "start" "-a" "828696a02e129abc045a36ddbeed89b00c529b723be43e86276ada9ca1d2e037", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/read_logger-a69c9712472e8f32)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::check_stats ... ok
[INFO] [stdout] test tests::buf_reader ... ok
[INFO] [stdout] test tests::read_cursor ... ok
[INFO] [stdout] test tests::seek ... ok
[INFO] [stdout] test tests::file ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests read_logger
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 4) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "828696a02e129abc045a36ddbeed89b00c529b723be43e86276ada9ca1d2e037", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "828696a02e129abc045a36ddbeed89b00c529b723be43e86276ada9ca1d2e037", kill_on_drop: false }`
[INFO] [stdout] 828696a02e129abc045a36ddbeed89b00c529b723be43e86276ada9ca1d2e037