[INFO] fetching crate flatty-io 0.1.0-rc.6...
[INFO] checking flatty-io-0.1.0-rc.6 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate flatty-io 0.1.0-rc.6 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate flatty-io 0.1.0-rc.6
[INFO] finished tweaking crates.io crate flatty-io 0.1.0-rc.6
[INFO] tweaked toml for crates.io crate flatty-io 0.1.0-rc.6 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate flatty-io 0.1.0-rc.6 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 84 packages to latest compatible versions
[INFO] [stderr]       Adding async-ringbuf v0.2.1 (available: v0.3.4)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ringbuf-blocking v0.1.0-rc.5
[INFO] [stderr]   Downloaded flatty-portable v0.1.0-rc.4
[INFO] [stderr]   Downloaded flatty-base v0.1.0-rc.4
[INFO] [stderr]   Downloaded async-ringbuf v0.2.1
[INFO] [stderr]   Downloaded flatty-macros v0.1.0-rc.4
[INFO] [stderr]   Downloaded ringbuf v0.4.8
[INFO] [stderr]   Downloaded flatty v0.1.0-rc.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 838f2f4a24ea4937df33ab99b1d4bcd1a4e62b2ea6407b602bb6e709902d0869
[INFO] running `Command { std: "docker" "start" "-a" "838f2f4a24ea4937df33ab99b1d4bcd1a4e62b2ea6407b602bb6e709902d0869", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "838f2f4a24ea4937df33ab99b1d4bcd1a4e62b2ea6407b602bb6e709902d0869", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "838f2f4a24ea4937df33ab99b1d4bcd1a4e62b2ea6407b602bb6e709902d0869", kill_on_drop: false }`
[INFO] [stdout] 838f2f4a24ea4937df33ab99b1d4bcd1a4e62b2ea6407b602bb6e709902d0869
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f64c742529e03d6adda276dc4e53f2feabe8a90ef0d915a78162e1043a0f1c79
[INFO] running `Command { std: "docker" "start" "-a" "f64c742529e03d6adda276dc4e53f2feabe8a90ef0d915a78162e1043a0f1c79", kill_on_drop: false }`
[INFO] [stderr]     Checking event-listener v5.4.1
[INFO] [stderr]    Compiling rustix v1.0.8
[INFO] [stderr]     Checking linux-raw-sys v0.9.4
[INFO] [stderr]     Checking value-bag v1.11.1
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking futures-lite v2.6.1
[INFO] [stderr]     Checking ringbuf v0.4.8
[INFO] [stderr]     Checking stavec v0.3.0
[INFO] [stderr]    Compiling flatty-macros v0.1.0-rc.4
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking event-listener-strategy v0.5.4
[INFO] [stderr]     Checking flatty-base v0.1.0-rc.4
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]     Checking flatty-portable v0.1.0-rc.4
[INFO] [stderr]     Checking ringbuf-blocking v0.1.0-rc.5
[INFO] [stderr]     Checking async-lock v3.4.1
[INFO] [stderr]     Checking async-channel v2.5.0
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking blocking v1.6.2
[INFO] [stderr]     Checking async-executor v1.13.3
[INFO] [stderr]     Checking flatty v0.1.0-rc.4
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking async-ringbuf v0.2.1
[INFO] [stderr]     Checking flatty-io v0.1.0-rc.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `io::*`
[INFO] [stdout]  --> src/blocking/mod.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use io::*;
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking polling v3.10.0
[INFO] [stderr]     Checking async-io v2.5.0
[INFO] [stderr]     Checking async-global-executor v2.4.1
[INFO] [stderr]     Checking async-std v1.13.2
[INFO] [stdout] warning: unused import: `io::*`
[INFO] [stdout]  --> src/blocking/mod.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use io::*;
[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 9.13s
[INFO] running `Command { std: "docker" "inspect" "f64c742529e03d6adda276dc4e53f2feabe8a90ef0d915a78162e1043a0f1c79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f64c742529e03d6adda276dc4e53f2feabe8a90ef0d915a78162e1043a0f1c79", kill_on_drop: false }`
[INFO] [stdout] f64c742529e03d6adda276dc4e53f2feabe8a90ef0d915a78162e1043a0f1c79