[INFO] fetching crate readfile-custom 0.1.1...
[INFO] testing readfile-custom-0.1.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate readfile-custom 0.1.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate readfile-custom 0.1.1
[INFO] finished tweaking crates.io crate readfile-custom 0.1.1
[INFO] tweaked toml for crates.io crate readfile-custom 0.1.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate readfile-custom 0.1.1 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] crate crates.io crate readfile-custom 0.1.1 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-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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 4d61fcbcef883310146bad8784d1b941bb3536c56a08b8a45243e5e7205365e9
[INFO] running `Command { std: "docker" "start" "-a" "4d61fcbcef883310146bad8784d1b941bb3536c56a08b8a45243e5e7205365e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d61fcbcef883310146bad8784d1b941bb3536c56a08b8a45243e5e7205365e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d61fcbcef883310146bad8784d1b941bb3536c56a08b8a45243e5e7205365e9", kill_on_drop: false }`
[INFO] [stdout] 4d61fcbcef883310146bad8784d1b941bb3536c56a08b8a45243e5e7205365e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] eebbbb0311effc321ae5f9e6e6998ea79d7a7fc1094a97febcb2bab1987d3ac8
[INFO] running `Command { std: "docker" "start" "-a" "eebbbb0311effc321ae5f9e6e6998ea79d7a7fc1094a97febcb2bab1987d3ac8", kill_on_drop: false }`
[INFO] [stderr]    Compiling readfile-custom v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "eebbbb0311effc321ae5f9e6e6998ea79d7a7fc1094a97febcb2bab1987d3ac8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eebbbb0311effc321ae5f9e6e6998ea79d7a7fc1094a97febcb2bab1987d3ac8", kill_on_drop: false }`
[INFO] [stdout] eebbbb0311effc321ae5f9e6e6998ea79d7a7fc1094a97febcb2bab1987d3ac8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] afbf5004a9d4d4c10d9ab0ff9b6ca02a2a3e018d8d4c3a77a920cffece3103f0
[INFO] running `Command { std: "docker" "start" "-a" "afbf5004a9d4d4c10d9ab0ff9b6ca02a2a3e018d8d4c3a77a920cffece3103f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling readfile-custom v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "afbf5004a9d4d4c10d9ab0ff9b6ca02a2a3e018d8d4c3a77a920cffece3103f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afbf5004a9d4d4c10d9ab0ff9b6ca02a2a3e018d8d4c3a77a920cffece3103f0", kill_on_drop: false }`
[INFO] [stdout] afbf5004a9d4d4c10d9ab0ff9b6ca02a2a3e018d8d4c3a77a920cffece3103f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 952a1c072da166cf0c39fb358bd4bc7603b98085e67c21bf372cc6781af9c123
[INFO] running `Command { std: "docker" "start" "-a" "952a1c072da166cf0c39fb358bd4bc7603b98085e67c21bf372cc6781af9c123", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/readfile_custom-32b9d794fc24acf6)
[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] running `Command { std: "docker" "inspect" "952a1c072da166cf0c39fb358bd4bc7603b98085e67c21bf372cc6781af9c123", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "952a1c072da166cf0c39fb358bd4bc7603b98085e67c21bf372cc6781af9c123", kill_on_drop: false }`
[INFO] [stdout] 952a1c072da166cf0c39fb358bd4bc7603b98085e67c21bf372cc6781af9c123