[INFO] fetching crate willow-encoding 0.1.0...
[INFO] building willow-encoding-0.1.0 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate willow-encoding 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate willow-encoding 0.1.0
[INFO] finished tweaking crates.io crate willow-encoding 0.1.0
[INFO] tweaked toml for crates.io crate willow-encoding 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate willow-encoding 0.1.0 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "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 10 packages to latest compatible versions
[INFO] [stderr]       Adding ufotofu v0.4.3 (available: v0.7.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "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-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4535a4645d09326bf3cbeb647ff8c42f404c3ac06596612507cb1c2752333c32
[INFO] running `Command { std: "docker" "start" "-a" "4535a4645d09326bf3cbeb647ff8c42f404c3ac06596612507cb1c2752333c32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4535a4645d09326bf3cbeb647ff8c42f404c3ac06596612507cb1c2752333c32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4535a4645d09326bf3cbeb647ff8c42f404c3ac06596612507cb1c2752333c32", kill_on_drop: false }`
[INFO] [stdout] 4535a4645d09326bf3cbeb647ff8c42f404c3ac06596612507cb1c2752333c32
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf597fc574ba0e026892fe316cb738101075a9b4509e3248b665df40d81b2826
[INFO] running `Command { std: "docker" "start" "-a" "cf597fc574ba0e026892fe316cb738101075a9b4509e3248b665df40d81b2826", kill_on_drop: false }`
[INFO] [stderr]    Compiling maybe-std v0.1.2
[INFO] [stderr]    Compiling ufotofu_queues v0.5.0
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling wrapper v0.1.1
[INFO] [stderr]    Compiling ufotofu v0.4.3
[INFO] [stderr]    Compiling syncify v0.1.0
[INFO] [stderr]    Compiling willow-encoding v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `syncify::syncify_replace`
[INFO] [stdout]  --> src/bytes.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     use syncify::syncify_replace;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.90s
[INFO] running `Command { std: "docker" "inspect" "cf597fc574ba0e026892fe316cb738101075a9b4509e3248b665df40d81b2826", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf597fc574ba0e026892fe316cb738101075a9b4509e3248b665df40d81b2826", kill_on_drop: false }`
[INFO] [stdout] cf597fc574ba0e026892fe316cb738101075a9b4509e3248b665df40d81b2826
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c9cf224e098a7c3744075192a25686e9ce145bd9e62a4c3ecf649695728b795
[INFO] running `Command { std: "docker" "start" "-a" "4c9cf224e098a7c3744075192a25686e9ce145bd9e62a4c3ecf649695728b795", kill_on_drop: false }`
[INFO] [stderr]    Compiling willow-encoding v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `syncify::syncify_replace`
[INFO] [stdout]  --> src/bytes.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     use syncify::syncify_replace;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `syncify::syncify_replace`
[INFO] [stdout]  --> src/bytes.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     use syncify::syncify_replace;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "4c9cf224e098a7c3744075192a25686e9ce145bd9e62a4c3ecf649695728b795", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c9cf224e098a7c3744075192a25686e9ce145bd9e62a4c3ecf649695728b795", kill_on_drop: false }`
[INFO] [stdout] 4c9cf224e098a7c3744075192a25686e9ce145bd9e62a4c3ecf649695728b795