[INFO] fetching crate io-block 0.2.2...
[INFO] testing io-block-0.2.2 against 1.90.0 for beta-1.91-3
[INFO] extracting crate io-block 0.2.2 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate io-block 0.2.2
[INFO] finished tweaking crates.io crate io-block 0.2.2
[INFO] tweaked toml for crates.io crate io-block 0.2.2 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate io-block 0.2.2 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate io-block 0.2.2 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9c2a0ea39070158f4fcebdf6a1554639d6698af5c413f246b6f893a88616e4c6
[INFO] running `Command { std: "docker" "start" "-a" "9c2a0ea39070158f4fcebdf6a1554639d6698af5c413f246b6f893a88616e4c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c2a0ea39070158f4fcebdf6a1554639d6698af5c413f246b6f893a88616e4c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c2a0ea39070158f4fcebdf6a1554639d6698af5c413f246b6f893a88616e4c6", kill_on_drop: false }`
[INFO] [stdout] 9c2a0ea39070158f4fcebdf6a1554639d6698af5c413f246b6f893a88616e4c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f5581d06b26df2b477507dc4bee64fa9218598b5340d5bbf312d20a5b0ae876
[INFO] running `Command { std: "docker" "start" "-a" "8f5581d06b26df2b477507dc4bee64fa9218598b5340d5bbf312d20a5b0ae876", kill_on_drop: false }`
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling nix v0.26.2
[INFO] [stderr]    Compiling io-block v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.14s
[INFO] running `Command { std: "docker" "inspect" "8f5581d06b26df2b477507dc4bee64fa9218598b5340d5bbf312d20a5b0ae876", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f5581d06b26df2b477507dc4bee64fa9218598b5340d5bbf312d20a5b0ae876", kill_on_drop: false }`
[INFO] [stdout] 8f5581d06b26df2b477507dc4bee64fa9218598b5340d5bbf312d20a5b0ae876
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e028c0c1c9f24d8ec68e0bb79b243e8134bcd0dfd433cb0e15c081bc1d6c95e
[INFO] running `Command { std: "docker" "start" "-a" "8e028c0c1c9f24d8ec68e0bb79b243e8134bcd0dfd433cb0e15c081bc1d6c95e", kill_on_drop: false }`
[INFO] [stderr]    Compiling io-block v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "8e028c0c1c9f24d8ec68e0bb79b243e8134bcd0dfd433cb0e15c081bc1d6c95e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e028c0c1c9f24d8ec68e0bb79b243e8134bcd0dfd433cb0e15c081bc1d6c95e", kill_on_drop: false }`
[INFO] [stdout] 8e028c0c1c9f24d8ec68e0bb79b243e8134bcd0dfd433cb0e15c081bc1d6c95e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 34bf9f41b6e417d60f6979db2ea1d7fc7e77a017075a947e5745c574622678e8
[INFO] running `Command { std: "docker" "start" "-a" "34bf9f41b6e417d60f6979db2ea1d7fc7e77a017075a947e5745c574622678e8", 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/io_block-3b72822467a15b5c)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test file::tests::blk_file ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests io_block
[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" "34bf9f41b6e417d60f6979db2ea1d7fc7e77a017075a947e5745c574622678e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34bf9f41b6e417d60f6979db2ea1d7fc7e77a017075a947e5745c574622678e8", kill_on_drop: false }`
[INFO] [stdout] 34bf9f41b6e417d60f6979db2ea1d7fc7e77a017075a947e5745c574622678e8