[INFO] fetching crate mkstemp-rs 1.0.0...
[INFO] checking mkstemp-rs-1.0.0 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] extracting crate mkstemp-rs 1.0.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate mkstemp-rs 1.0.0 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mkstemp-rs 1.0.0
[INFO] finished tweaking crates.io crate mkstemp-rs 1.0.0
[INFO] tweaked toml for crates.io crate mkstemp-rs 1.0.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 28d62721ce28099e8f90b79f0a06b05fab50b53f2d696f9e01e1b1cc94c16723
[INFO] running `Command { std: "docker" "start" "-a" "28d62721ce28099e8f90b79f0a06b05fab50b53f2d696f9e01e1b1cc94c16723", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "28d62721ce28099e8f90b79f0a06b05fab50b53f2d696f9e01e1b1cc94c16723", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28d62721ce28099e8f90b79f0a06b05fab50b53f2d696f9e01e1b1cc94c16723", kill_on_drop: false }`
[INFO] [stdout] 28d62721ce28099e8f90b79f0a06b05fab50b53f2d696f9e01e1b1cc94c16723
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 359a86a8ba57e4d99568cab0f70fb50c3d6df7c8cd3805cfbde91af9ad4361ed
[INFO] running `Command { std: "docker" "start" "-a" "359a86a8ba57e4d99568cab0f70fb50c3d6df7c8cd3805cfbde91af9ad4361ed", kill_on_drop: false }`
[INFO] [stderr]     Checking mkstemp-rs v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> tests/mkstemp.rs:5:26
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn do_write(writer: &mut Write) -> Result<usize> {
[INFO] [stdout]   |                          ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "359a86a8ba57e4d99568cab0f70fb50c3d6df7c8cd3805cfbde91af9ad4361ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "359a86a8ba57e4d99568cab0f70fb50c3d6df7c8cd3805cfbde91af9ad4361ed", kill_on_drop: false }`
[INFO] [stdout] 359a86a8ba57e4d99568cab0f70fb50c3d6df7c8cd3805cfbde91af9ad4361ed