[INFO] fetching crate compio-buf 0.7.0...
[INFO] testing compio-buf-0.7.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate compio-buf 0.7.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate compio-buf 0.7.0
[INFO] finished tweaking crates.io crate compio-buf 0.7.0
[INFO] tweaked toml for crates.io crate compio-buf 0.7.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate compio-buf 0.7.0 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 compio-buf 0.7.0 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" "+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-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] a0c6661489d798cee7d5d762a6c30c5b51d600de74089367928dd1da3d9ac90f
[INFO] running `Command { std: "docker" "start" "-a" "a0c6661489d798cee7d5d762a6c30c5b51d600de74089367928dd1da3d9ac90f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0c6661489d798cee7d5d762a6c30c5b51d600de74089367928dd1da3d9ac90f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0c6661489d798cee7d5d762a6c30c5b51d600de74089367928dd1da3d9ac90f", kill_on_drop: false }`
[INFO] [stdout] a0c6661489d798cee7d5d762a6c30c5b51d600de74089367928dd1da3d9ac90f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 7af44433d83aa1325b96003577756bc9332ef763c608a47a130d8c16e3c3c853
[INFO] running `Command { std: "docker" "start" "-a" "7af44433d83aa1325b96003577756bc9332ef763c608a47a130d8c16e3c3c853", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling compio-buf v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.92s
[INFO] running `Command { std: "docker" "inspect" "7af44433d83aa1325b96003577756bc9332ef763c608a47a130d8c16e3c3c853", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7af44433d83aa1325b96003577756bc9332ef763c608a47a130d8c16e3c3c853", kill_on_drop: false }`
[INFO] [stdout] 7af44433d83aa1325b96003577756bc9332ef763c608a47a130d8c16e3c3c853
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] b1c9e8e0cd5d9452cdf2636b607ec234930ecddf66b7d239a1087805952d1076
[INFO] running `Command { std: "docker" "start" "-a" "b1c9e8e0cd5d9452cdf2636b607ec234930ecddf66b7d239a1087805952d1076", kill_on_drop: false }`
[INFO] [stderr]    Compiling compio-buf v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "b1c9e8e0cd5d9452cdf2636b607ec234930ecddf66b7d239a1087805952d1076", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1c9e8e0cd5d9452cdf2636b607ec234930ecddf66b7d239a1087805952d1076", kill_on_drop: false }`
[INFO] [stdout] b1c9e8e0cd5d9452cdf2636b607ec234930ecddf66b7d239a1087805952d1076
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 8c645173d838dcb51a8d8998dd1c71c470da7f01e5ee65d3127d5b03108a3afc
[INFO] running `Command { std: "docker" "start" "-a" "8c645173d838dcb51a8d8998dd1c71c470da7f01e5ee65d3127d5b03108a3afc", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/compio_buf-aa04386c5afd0c40)
[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] [stderr]    Doc-tests compio_buf
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/io_buf.rs - io_buf::IoBuf::slice (line 77) ... ok
[INFO] [stdout] test src/buf_result.rs - buf_result::buf_try (line 175) ... ok
[INFO] [stdout] test src/slice.rs - slice::Slice (line 17) ... ok
[INFO] [stdout] test src/uninit.rs - uninit::Uninit (line 11) ... ok
[INFO] [stdout] test src/io_buf.rs - io_buf::IoBuf::uninit (line 120) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.90s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8c645173d838dcb51a8d8998dd1c71c470da7f01e5ee65d3127d5b03108a3afc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c645173d838dcb51a8d8998dd1c71c470da7f01e5ee65d3127d5b03108a3afc", kill_on_drop: false }`
[INFO] [stdout] 8c645173d838dcb51a8d8998dd1c71c470da7f01e5ee65d3127d5b03108a3afc