[INFO] fetching crate glommio 0.9.0...
[INFO] testing glommio-0.9.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate glommio 0.9.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate glommio 0.9.0
[INFO] finished tweaking crates.io crate glommio 0.9.0
[INFO] tweaked toml for crates.io crate glommio 0.9.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate glommio 0.9.0 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "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" "+562dee4820c458d823175268e41601d4c060588a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 156 packages to latest compatible versions
[INFO] [stderr]       Adding ahash v0.7.8 (available: v0.8.12)
[INFO] [stderr]       Adding buddy-alloc v0.4.2 (available: v0.6.0)
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[INFO] [stderr]       Adding flume v0.10.14 (available: v0.12.0)
[INFO] [stderr]       Adding futures-lite v1.13.0 (available: v2.6.1)
[INFO] [stderr]       Adding intrusive-collections v0.9.7 (available: v0.10.0)
[INFO] [stderr]       Adding nix v0.27.1 (available: v0.31.2)
[INFO] [stderr]       Adding rlimit v0.6.2 (available: v0.11.0)
[INFO] [stderr]       Adding signal-hook v0.3.18 (available: v0.4.4)
[INFO] [stderr]       Adding sketches-ddsketch v0.1.3 (available: v0.4.0)
[INFO] [stderr]       Adding socket2 v0.4.10 (available: v0.6.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded env_logger v0.10.2
[INFO] [stderr]   Downloaded sketches-ddsketch v0.1.3
[INFO] [stderr]   Downloaded intrusive-collections v0.9.7
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[INFO] [stderr]   Downloaded owned-alloc v0.2.0
[INFO] [stderr]   Downloaded rlimit v0.6.2
[INFO] [stderr]   Downloaded bitmaps v3.2.1
[INFO] [stderr]   Downloaded nanorand v0.7.0
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[INFO] [stderr]   Downloaded concurrent-queue v1.2.4
[INFO] [stderr]   Downloaded enclose v1.2.1
[INFO] [stderr]   Downloaded hdrhistogram v7.5.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f037b80712682bd6430d98303723ff81830f506071738e4dc59a385f4470ac6c
[INFO] running `Command { std: "docker" "start" "-a" "f037b80712682bd6430d98303723ff81830f506071738e4dc59a385f4470ac6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f037b80712682bd6430d98303723ff81830f506071738e4dc59a385f4470ac6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f037b80712682bd6430d98303723ff81830f506071738e4dc59a385f4470ac6c", kill_on_drop: false }`
[INFO] [stdout] f037b80712682bd6430d98303723ff81830f506071738e4dc59a385f4470ac6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=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" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3dc90697461fe1f863fc4ef5206c872b4a8d42badea5a3dc5ac3915bfc09daf
[INFO] running `Command { std: "docker" "start" "-a" "e3dc90697461fe1f863fc4ef5206c872b4a8d42badea5a3dc5ac3915bfc09daf", kill_on_drop: false }`
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[INFO] [stderr]    Compiling object v0.37.3
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[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling cache-padded v1.3.0
[INFO] [stderr]    Compiling glommio v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling rustc-demangle v0.1.27
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling futures-sink v0.3.32
[INFO] [stderr]    Compiling futures-io v0.3.32
[INFO] [stderr]    Compiling fastrand v1.9.0
[INFO] [stderr]    Compiling waker-fn v1.2.0
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[INFO] [stderr]    Compiling intrusive-collections v0.9.7
[INFO] [stderr]    Compiling nix v0.27.1
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[INFO] [stderr]    Compiling rlimit v0.6.2
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[INFO] [stderr]    Compiling sketches-ddsketch v0.1.3
[INFO] [stderr]    Compiling scoped-tls v1.0.1
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[INFO] [stderr]    Compiling enclose v1.2.1
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[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
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[INFO] [stderr]    Compiling tracing v0.1.44
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[INFO] [stdout] warning: method `in_kernel` is never used
[INFO] [stdout]    --> src/sys/uring.rs:640:8
[INFO] [stdout]     |
[INFO] [stdout] 636 | pub(crate) trait UringCommon {
[INFO] [stdout]     |                  ----------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 640 |     fn in_kernel(&self) -> usize;
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `into_raw_fd` that must be used
[INFO] [stdout]    --> src/net/tcp_socket.rs:316:9
[INFO] [stdout]     |
[INFO] [stdout] 316 |         socket.into_raw_fd();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: losing the raw file descriptor may leak resources
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 316 |         let _ = socket.into_raw_fd();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.23s
[INFO] running `Command { std: "docker" "inspect" "e3dc90697461fe1f863fc4ef5206c872b4a8d42badea5a3dc5ac3915bfc09daf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3dc90697461fe1f863fc4ef5206c872b4a8d42badea5a3dc5ac3915bfc09daf", kill_on_drop: false }`
[INFO] [stdout] e3dc90697461fe1f863fc4ef5206c872b4a8d42badea5a3dc5ac3915bfc09daf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=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" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 942d691afd26a7d19461e210e95ad3c60405eae633d1122f1fd3c87452935ca3
[INFO] running `Command { std: "docker" "start" "-a" "942d691afd26a7d19461e210e95ad3c60405eae633d1122f1fd3c87452935ca3", kill_on_drop: false }`
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[INFO] [stderr]    Compiling futures-macro v0.3.32
[INFO] [stderr]    Compiling pin-project-internal v1.1.11
[INFO] [stderr]    Compiling tokio-macros v2.7.0
[INFO] [stderr]    Compiling tokio v1.51.1
[INFO] [stderr]    Compiling pin-project v1.1.11
[INFO] [stderr]    Compiling flume v0.10.14
[INFO] [stderr]    Compiling futures-util v0.3.32
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling matchers v0.2.0
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling env_logger v0.10.2
[INFO] [stderr]    Compiling tracing-subscriber v0.3.23
[INFO] [stderr]    Compiling glommio v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling pretty_env_logger v0.5.0
[INFO] [stderr]    Compiling futures-executor v0.3.32
[INFO] [stderr]    Compiling futures v0.3.32
[INFO] [stdout] warning: method `in_kernel` is never used
[INFO] [stdout]    --> src/sys/uring.rs:640:8
[INFO] [stdout]     |
[INFO] [stdout] 636 | pub(crate) trait UringCommon {
[INFO] [stdout]     |                  ----------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 640 |     fn in_kernel(&self) -> usize;
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `into_raw_fd` that must be used
[INFO] [stdout]    --> src/net/tcp_socket.rs:316:9
[INFO] [stdout]     |
[INFO] [stdout] 316 |         socket.into_raw_fd();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: losing the raw file descriptor may leak resources
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 316 |         let _ = socket.into_raw_fd();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `rand::thread_rng`
[INFO] [stdout]    --> src/io/dma_file.rs:783:34
[INFO] [stdout]     |
[INFO] [stdout] 783 |     use rand::{seq::SliceRandom, thread_rng};
[INFO] [stdout]     |                                  ^^^^^^^^^^ no `thread_rng` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `glommio` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "942d691afd26a7d19461e210e95ad3c60405eae633d1122f1fd3c87452935ca3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "942d691afd26a7d19461e210e95ad3c60405eae633d1122f1fd3c87452935ca3", kill_on_drop: false }`
[INFO] [stdout] 942d691afd26a7d19461e210e95ad3c60405eae633d1122f1fd3c87452935ca3