[INFO] fetching crate ioprio 0.2.0...
[INFO] testing ioprio-0.2.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate ioprio 0.2.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate ioprio 0.2.0
[INFO] finished tweaking crates.io crate ioprio 0.2.0
[INFO] tweaked toml for crates.io crate ioprio 0.2.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ioprio 0.2.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 13 packages to latest compatible versions
[INFO] [stderr]       Adding bitflags v1.2.1 (available: v1.3.2)
[INFO] [stderr]       Adding nix v0.21.2 (available: v0.31.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3ad60661f7051fd4e3320079be0b49bc4072fb834d72c248bdeb180a757a99a0
[INFO] running `Command { std: "docker" "start" "-a" "3ad60661f7051fd4e3320079be0b49bc4072fb834d72c248bdeb180a757a99a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ad60661f7051fd4e3320079be0b49bc4072fb834d72c248bdeb180a757a99a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ad60661f7051fd4e3320079be0b49bc4072fb834d72c248bdeb180a757a99a0", kill_on_drop: false }`
[INFO] [stdout] 3ad60661f7051fd4e3320079be0b49bc4072fb834d72c248bdeb180a757a99a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed61c6852be8035e9d6b3832452bdea179283312f3d05670c168a53c32104948
[INFO] running `Command { std: "docker" "start" "-a" "ed61c6852be8035e9d6b3832452bdea179283312f3d05670c168a53c32104948", kill_on_drop: false }`
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling libc v0.2.184
[INFO] [stderr]    Compiling nix v0.21.2
[INFO] [stderr]    Compiling ioprio v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.40s
[INFO] running `Command { std: "docker" "inspect" "ed61c6852be8035e9d6b3832452bdea179283312f3d05670c168a53c32104948", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed61c6852be8035e9d6b3832452bdea179283312f3d05670c168a53c32104948", kill_on_drop: false }`
[INFO] [stdout] ed61c6852be8035e9d6b3832452bdea179283312f3d05670c168a53c32104948
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 17e2946db7fead7b3cb2dde29f9d0cf772166ccdadb85343c5f70c31a1f634ef
[INFO] running `Command { std: "docker" "start" "-a" "17e2946db7fead7b3cb2dde29f9d0cf772166ccdadb85343c5f70c31a1f634ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling ioprio v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "17e2946db7fead7b3cb2dde29f9d0cf772166ccdadb85343c5f70c31a1f634ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17e2946db7fead7b3cb2dde29f9d0cf772166ccdadb85343c5f70c31a1f634ef", kill_on_drop: false }`
[INFO] [stdout] 17e2946db7fead7b3cb2dde29f9d0cf772166ccdadb85343c5f70c31a1f634ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ba4a2d33f2645d63693ed4ddfdde3f8f7769be3410a2d7b482ee5a67b3698a28
[INFO] running `Command { std: "docker" "start" "-a" "ba4a2d33f2645d63693ed4ddfdde3f8f7769be3410a2d7b482ee5a67b3698a28", 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/ioprio-6d369c5cd74bf90e)
[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 ioprio
[INFO] [stderr] error[E0433]: cannot find module or crate `iou_` in this scope
[INFO] [stderr]    --> src/lib.rs:290:30
[INFO] [stderr]     |
[INFO] [stderr] 290 |     impl private::Sealed for iou_::SQE<'_> {}
[INFO] [stderr]     |                              ^^^^ use of unresolved module or unlinked crate `iou_`
[INFO] [stderr]     |
[INFO] [stderr]     = help: if you wanted to use a crate named `iou_`, use `cargo add iou_` to add it to your `Cargo.toml`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: cannot find module or crate `iou_` in this scope
[INFO] [stderr]    --> src/lib.rs:300:21
[INFO] [stderr]     |
[INFO] [stderr] 300 |     impl SqeExt for iou_::SQE<'_> {
[INFO] [stderr]     |                     ^^^^ use of unresolved module or unlinked crate `iou_`
[INFO] [stderr]     |
[INFO] [stderr]     = help: if you wanted to use a crate named `iou_`, use `cargo add iou_` to add it to your `Cargo.toml`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0433`.
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/dec9417b8611e34e787a3e4c37686b5131f9e5c5/bin/rustdoc --edition=2018 --crate-type lib --color auto --crate-name ioprio --test src/lib.rs --test-run-directory /opt/rustwide/workdir --extern ioprio=/opt/rustwide/target/debug/deps/libioprio-daa2c960d2059844.rlib --extern libc=/opt/rustwide/target/debug/deps/liblibc-1019fbca20c54c69.rlib --extern nix=/opt/rustwide/target/debug/deps/libnix-d4e6e662da50faf5.rlib -L dependency=/opt/rustwide/target/debug/deps -C embed-bitcode=no --cfg 'feature="default"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("default", "docs", "iou", "iou_"))' --cap-lints=forbid --error-format human` (exit status: 1)
[INFO] [stderr] note: test exited abnormally; to see the full output pass --no-capture to the harness.
[INFO] running `Command { std: "docker" "inspect" "ba4a2d33f2645d63693ed4ddfdde3f8f7769be3410a2d7b482ee5a67b3698a28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba4a2d33f2645d63693ed4ddfdde3f8f7769be3410a2d7b482ee5a67b3698a28", kill_on_drop: false }`
[INFO] [stdout] ba4a2d33f2645d63693ed4ddfdde3f8f7769be3410a2d7b482ee5a67b3698a28