[INFO] fetching crate blkio 0.4.0...
[INFO] checking blkio-0.4.0 against master#80399064afa4a2cd153f30d02c25f7ea0383ed65 for opaque-soundness-fix
[INFO] extracting crate blkio 0.4.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate blkio 0.4.0 on toolchain 80399064afa4a2cd153f30d02c25f7ea0383ed65
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate blkio 0.4.0
[INFO] finished tweaking crates.io crate blkio 0.4.0
[INFO] tweaked toml for crates.io crate blkio 0.4.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded virtio-driver v0.5.0
[INFO] [stderr]   Downloaded virtio-bindings v0.2.2
[INFO] [stderr]   Downloaded io-uring v0.6.3
[INFO] [stderr]   Downloaded pci-driver v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e96ee6583377aa6c14508ebf450bddcca6f8a47a321701c717e96381d8b4d6b5
[INFO] running `Command { std: "docker" "start" "-a" "e96ee6583377aa6c14508ebf450bddcca6f8a47a321701c717e96381d8b4d6b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e96ee6583377aa6c14508ebf450bddcca6f8a47a321701c717e96381d8b4d6b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e96ee6583377aa6c14508ebf450bddcca6f8a47a321701c717e96381d8b4d6b5", kill_on_drop: false }`
[INFO] [stdout] e96ee6583377aa6c14508ebf450bddcca6f8a47a321701c717e96381d8b4d6b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8ea606eec5ddfe45343348a3b707c1b228372198a3c1aa22cbbbcd758e4a3e9
[INFO] running `Command { std: "docker" "start" "-a" "e8ea606eec5ddfe45343348a3b707c1b228372198a3c1aa22cbbbcd758e4a3e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling rustix v0.37.27
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling io-uring v0.6.3
[INFO] [stderr]     Checking memmap2 v0.5.10
[INFO] [stderr]     Checking virtio-bindings v0.2.2
[INFO] [stderr]     Checking pci-driver v0.1.4
[INFO] [stderr]     Checking virtio-driver v0.5.0
[INFO] [stderr]     Checking blkio v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]   --> src/drivers/iouring.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use std::convert::TryFrom;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `TryFrom` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryInto` is imported redundantly
[INFO] [stdout]   --> src/drivers/nvme_io_uring/mod.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | use std::convert::TryInto;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `TryInto` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryInto` is imported redundantly
[INFO] [stdout]  --> src/wait.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryInto` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]   --> src/drivers/iouring.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use std::convert::TryFrom;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `TryFrom` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryInto` is imported redundantly
[INFO] [stdout]   --> src/drivers/nvme_io_uring/mod.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | use std::convert::TryInto;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `TryInto` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryInto` is imported redundantly
[INFO] [stdout]  --> src/wait.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryInto` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.14s
[INFO] running `Command { std: "docker" "inspect" "e8ea606eec5ddfe45343348a3b707c1b228372198a3c1aa22cbbbcd758e4a3e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8ea606eec5ddfe45343348a3b707c1b228372198a3c1aa22cbbbcd758e4a3e9", kill_on_drop: false }`
[INFO] [stdout] e8ea606eec5ddfe45343348a3b707c1b228372198a3c1aa22cbbbcd758e4a3e9
