[INFO] fetching crate linux-io-uring 0.1.0...
[INFO] checking linux-io-uring-0.1.0 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate linux-io-uring 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate linux-io-uring 0.1.0
[INFO] finished tweaking crates.io crate linux-io-uring 0.1.0
[INFO] tweaked toml for crates.io crate linux-io-uring 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate linux-io-uring 0.1.0 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "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]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 119 packages to latest compatible versions
[INFO] [stderr]       Adding bitflags v1.3.2 (available: v2.9.4)
[INFO] [stderr]       Adding criterion v0.3.6 (available: v0.7.0)
[INFO] [stderr]       Adding iou v0.2.0 (available: v0.3.3)
[INFO] [stderr]       Adding nix v0.16.1 (available: v0.30.1)
[INFO] [stderr]       Adding parking_lot v0.10.2 (available: v0.12.4)
[INFO] [stderr]       Adding socket2 v0.3.19 (available: v0.6.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ad3c1a5d968d261b72f5da7523582d02c76a40790d0598e3cf2812d4dba6e5ca
[INFO] running `Command { std: "docker" "start" "-a" "ad3c1a5d968d261b72f5da7523582d02c76a40790d0598e3cf2812d4dba6e5ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad3c1a5d968d261b72f5da7523582d02c76a40790d0598e3cf2812d4dba6e5ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad3c1a5d968d261b72f5da7523582d02c76a40790d0598e3cf2812d4dba6e5ca", kill_on_drop: false }`
[INFO] [stdout] ad3c1a5d968d261b72f5da7523582d02c76a40790d0598e3cf2812d4dba6e5ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 12643ca529eee700b7b9e8c051652f3a631cc00282e68101fbcd5e4ca7f8ae3d
[INFO] running `Command { std: "docker" "start" "-a" "12643ca529eee700b7b9e8c051652f3a631cc00282e68101fbcd5e4ca7f8ae3d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]     Checking regex-syntax v0.8.6
[INFO] [stderr]    Compiling linux-io-uring-sys v0.0.4
[INFO] [stderr]    Compiling uring-sys v1.0.0-beta
[INFO] [stderr]     Checking csv-core v0.1.12
[INFO] [stderr]     Checking half v1.8.3
[INFO] [stderr]    Compiling nix v0.16.1
[INFO] [stderr]     Checking criterion-plot v0.4.5
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking csv v1.3.1
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking regex-automata v0.4.10
[INFO] [stderr]     Checking getrandom v0.3.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking linux-io-uring v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking iou v0.2.0
[INFO] [stderr]     Checking tempfile v3.21.0
[INFO] [stdout] warning: lint `intra_doc_link_resolution_failure` has been removed: use `rustdoc::broken_intra_doc_links` instead
[INFO] [stdout]    --> src/opcode.rs:443:53
[INFO] [stdout]     |
[INFO] [stdout] 443 |         #[cfg_attr(not(feature = "unstable"), allow(intra_doc_link_resolution_failure))]
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking regex v1.11.2
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stdout] warning: lint `intra_doc_link_resolution_failure` has been removed: use `rustdoc::broken_intra_doc_links` instead
[INFO] [stdout]    --> src/opcode.rs:443:53
[INFO] [stdout]     |
[INFO] [stdout] 443 |         #[cfg_attr(not(feature = "unstable"), allow(intra_doc_link_resolution_failure))]
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ioop::do_write_read`
[INFO] [stdout]  --> tests/common/mod.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use ioop::do_write_read;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ioop::do_write_read`
[INFO] [stdout]  --> tests/common/mod.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use ioop::do_write_read;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ioop::do_write_read`
[INFO] [stdout]  --> tests/common/mod.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use ioop::do_write_read;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ioop::do_write_read`
[INFO] [stdout]  --> tests/common/mod.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use ioop::do_write_read;
[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 8.08s
[INFO] running `Command { std: "docker" "inspect" "12643ca529eee700b7b9e8c051652f3a631cc00282e68101fbcd5e4ca7f8ae3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12643ca529eee700b7b9e8c051652f3a631cc00282e68101fbcd5e4ca7f8ae3d", kill_on_drop: false }`
[INFO] [stdout] 12643ca529eee700b7b9e8c051652f3a631cc00282e68101fbcd5e4ca7f8ae3d