[INFO] fetching crate ublk-sys 0.0.0...
[INFO] testing ublk-sys-0.0.0 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate ublk-sys 0.0.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate ublk-sys 0.0.0
[INFO] finished tweaking crates.io crate ublk-sys 0.0.0
[INFO] tweaked toml for crates.io crate ublk-sys 0.0.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ublk-sys 0.0.0 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4fcec6ec04842402b565d41a2fa7352efbcfc484e0c9f9bcd44d58b62b24e3b0
[INFO] running `Command { std: "docker" "start" "-a" "4fcec6ec04842402b565d41a2fa7352efbcfc484e0c9f9bcd44d58b62b24e3b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4fcec6ec04842402b565d41a2fa7352efbcfc484e0c9f9bcd44d58b62b24e3b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fcec6ec04842402b565d41a2fa7352efbcfc484e0c9f9bcd44d58b62b24e3b0", kill_on_drop: false }`
[INFO] [stdout] 4fcec6ec04842402b565d41a2fa7352efbcfc484e0c9f9bcd44d58b62b24e3b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c350a6fa63bb68a280f9cd87f44b475eafedb5c967258e055a5e2f2d87ee0f7
[INFO] running `Command { std: "docker" "start" "-a" "1c350a6fa63bb68a280f9cd87f44b475eafedb5c967258e055a5e2f2d87ee0f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling ublk-sys v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "1c350a6fa63bb68a280f9cd87f44b475eafedb5c967258e055a5e2f2d87ee0f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c350a6fa63bb68a280f9cd87f44b475eafedb5c967258e055a5e2f2d87ee0f7", kill_on_drop: false }`
[INFO] [stdout] 1c350a6fa63bb68a280f9cd87f44b475eafedb5c967258e055a5e2f2d87ee0f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 02214f7b013d18cb7bcedc91c38eb0ba2554e0ad37ae86e4d68017cab3b7c09a
[INFO] running `Command { std: "docker" "start" "-a" "02214f7b013d18cb7bcedc91c38eb0ba2554e0ad37ae86e4d68017cab3b7c09a", kill_on_drop: false }`
[INFO] [stderr]    Compiling ublk-sys v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "02214f7b013d18cb7bcedc91c38eb0ba2554e0ad37ae86e4d68017cab3b7c09a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02214f7b013d18cb7bcedc91c38eb0ba2554e0ad37ae86e4d68017cab3b7c09a", kill_on_drop: false }`
[INFO] [stdout] 02214f7b013d18cb7bcedc91c38eb0ba2554e0ad37ae86e4d68017cab3b7c09a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 58fc5f496b5df3cd479d2d234a66922a98c261e117fbfa22e06cb66392ae9aa1
[INFO] running `Command { std: "docker" "start" "-a" "58fc5f496b5df3cd479d2d234a66922a98c261e117fbfa22e06cb66392ae9aa1", 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/ublk_sys-95d367a82a29955c)
[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 ublk_sys
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/cmd.rs - cmd::UBLK_IO_FETCH_REQ (line 33) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/cmd.rs - cmd::UBLK_IO_FETCH_REQ (line 33) stdout ----
[INFO] [stdout] error: expected one of `!` or `::`, found `is`
[INFO] [stdout]  --> src/cmd.rs:34:5
[INFO] [stdout]   |
[INFO] [stdout] 1 |  It is only used if ublksrv set UBLK_F_NEED_GET_DATA flag while starting a ublk device.
[INFO] [stdout]   |     ^^ expected one of `!` or `::`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/cmd.rs - cmd::UBLK_IO_FETCH_REQ (line 33)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "58fc5f496b5df3cd479d2d234a66922a98c261e117fbfa22e06cb66392ae9aa1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58fc5f496b5df3cd479d2d234a66922a98c261e117fbfa22e06cb66392ae9aa1", kill_on_drop: false }`
[INFO] [stdout] 58fc5f496b5df3cd479d2d234a66922a98c261e117fbfa22e06cb66392ae9aa1