[INFO] fetching crate owned-read 0.4.1...
[INFO] checking owned-read-0.4.1 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate owned-read 0.4.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate owned-read 0.4.1
[INFO] finished tweaking crates.io crate owned-read 0.4.1
[INFO] tweaked toml for crates.io crate owned-read 0.4.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate owned-read 0.4.1 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3121bfeb61808b2d8112968199f7fee803d49b8e165d7b3a133bac0bed128050
[INFO] running `Command { std: "docker" "start" "-a" "3121bfeb61808b2d8112968199f7fee803d49b8e165d7b3a133bac0bed128050", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3121bfeb61808b2d8112968199f7fee803d49b8e165d7b3a133bac0bed128050", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3121bfeb61808b2d8112968199f7fee803d49b8e165d7b3a133bac0bed128050", kill_on_drop: false }`
[INFO] [stdout] 3121bfeb61808b2d8112968199f7fee803d49b8e165d7b3a133bac0bed128050
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb9dbcf54c4ab2f3a1deb881cf06ae2302f73b8f2acc0d62d7c80c606c542b79
[INFO] running `Command { std: "docker" "start" "-a" "cb9dbcf54c4ab2f3a1deb881cf06ae2302f73b8f2acc0d62d7c80c606c542b79", kill_on_drop: false }`
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking owned-read v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `box_stable_deref` is never read
[INFO] [stdout]   --> src/lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub struct OwnedRead {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout]  9 |     data: &'static [u8],
[INFO] [stdout] 10 |     box_stable_deref: Arc<dyn Deref<Target = [u8]>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `OwnedRead` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `box_stable_deref` is never read
[INFO] [stdout]   --> src/lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub struct OwnedRead {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout]  9 |     data: &'static [u8],
[INFO] [stdout] 10 |     box_stable_deref: Arc<dyn Deref<Target = [u8]>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `OwnedRead` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "cb9dbcf54c4ab2f3a1deb881cf06ae2302f73b8f2acc0d62d7c80c606c542b79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb9dbcf54c4ab2f3a1deb881cf06ae2302f73b8f2acc0d62d7c80c606c542b79", kill_on_drop: false }`
[INFO] [stdout] cb9dbcf54c4ab2f3a1deb881cf06ae2302f73b8f2acc0d62d7c80c606c542b79