[INFO] fetching crate hexo-io 0.7.7...
[INFO] testing hexo-io-0.7.7 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate hexo-io 0.7.7 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate hexo-io 0.7.7
[INFO] finished tweaking crates.io crate hexo-io 0.7.7
[INFO] tweaked toml for crates.io crate hexo-io 0.7.7 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate hexo-io 0.7.7 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5f4552a7a0b804e75f0920e33a9f18862791fad9bbfdb90798854fbfa1e0c8ef
[INFO] running `Command { std: "docker" "start" "-a" "5f4552a7a0b804e75f0920e33a9f18862791fad9bbfdb90798854fbfa1e0c8ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f4552a7a0b804e75f0920e33a9f18862791fad9bbfdb90798854fbfa1e0c8ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f4552a7a0b804e75f0920e33a9f18862791fad9bbfdb90798854fbfa1e0c8ef", kill_on_drop: false }`
[INFO] [stdout] 5f4552a7a0b804e75f0920e33a9f18862791fad9bbfdb90798854fbfa1e0c8ef
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2bc705694cf1e86dbbb701df2f9d98f88418051ed466d476869a34d9e9e56800
[INFO] running `Command { std: "docker" "start" "-a" "2bc705694cf1e86dbbb701df2f9d98f88418051ed466d476869a34d9e9e56800", kill_on_drop: false }`
[INFO] [stderr]    Compiling hexo-io v0.7.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::byte_buffer::ByteBuffer`
[INFO] [stdout]    --> src/byte_buffer.rs:101:9
[INFO] [stdout]     |
[INFO] [stdout] 101 |     use crate::byte_buffer::ByteBuffer;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "2bc705694cf1e86dbbb701df2f9d98f88418051ed466d476869a34d9e9e56800", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bc705694cf1e86dbbb701df2f9d98f88418051ed466d476869a34d9e9e56800", kill_on_drop: false }`
[INFO] [stdout] 2bc705694cf1e86dbbb701df2f9d98f88418051ed466d476869a34d9e9e56800
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d133e46ba495c62a139ef427011686187f7ed69095a2fd138bc4a8023328c45d
[INFO] running `Command { std: "docker" "start" "-a" "d133e46ba495c62a139ef427011686187f7ed69095a2fd138bc4a8023328c45d", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `crate::byte_buffer::ByteBuffer`
[INFO] [stdout]    --> src/byte_buffer.rs:101:9
[INFO] [stdout]     |
[INFO] [stdout] 101 |     use crate::byte_buffer::ByteBuffer;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling hexo-io v0.7.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "d133e46ba495c62a139ef427011686187f7ed69095a2fd138bc4a8023328c45d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d133e46ba495c62a139ef427011686187f7ed69095a2fd138bc4a8023328c45d", kill_on_drop: false }`
[INFO] [stdout] d133e46ba495c62a139ef427011686187f7ed69095a2fd138bc4a8023328c45d
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 32374d7a6adca89ef6335c58ff8777c61dee5db1ad26a1f645b21b47948896ab
[INFO] running `Command { std: "docker" "start" "-a" "32374d7a6adca89ef6335c58ff8777c61dee5db1ad26a1f645b21b47948896ab", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `crate::byte_buffer::ByteBuffer`
[INFO] [stderr]    --> src/byte_buffer.rs:101:9
[INFO] [stderr]     |
[INFO] [stderr] 101 |     use crate::byte_buffer::ByteBuffer;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `hexo-io` (lib) generated 1 warning (run `cargo fix --lib -p hexo-io` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/hexo_io-d6d7d7d5358a887d)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test byte_buffer::test::string_push ... ok
[INFO] [stdout] test byte_buffer::test::u32_push ... ok
[INFO] [stdout] test byte_buffer::test::byte_push ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests hexo_io
[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" "32374d7a6adca89ef6335c58ff8777c61dee5db1ad26a1f645b21b47948896ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32374d7a6adca89ef6335c58ff8777c61dee5db1ad26a1f645b21b47948896ab", kill_on_drop: false }`
[INFO] [stdout] 32374d7a6adca89ef6335c58ff8777c61dee5db1ad26a1f645b21b47948896ab