[INFO] fetching crate gulkana 1.3.3...
[INFO] checking gulkana-1.3.3 against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] extracting crate gulkana 1.3.3 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate gulkana 1.3.3 on toolchain 07fecb9cf34c4979a772ba38c99d6d9144768413
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gulkana 1.3.3
[INFO] finished tweaking crates.io crate gulkana 1.3.3
[INFO] tweaked toml for crates.io crate gulkana 1.3.3 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9937a2d1ba970018bff304fc6d0cfc11edf74ea99c27104674ce5e6527843014
[INFO] running `Command { std: "docker" "start" "-a" "9937a2d1ba970018bff304fc6d0cfc11edf74ea99c27104674ce5e6527843014", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9937a2d1ba970018bff304fc6d0cfc11edf74ea99c27104674ce5e6527843014", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9937a2d1ba970018bff304fc6d0cfc11edf74ea99c27104674ce5e6527843014", kill_on_drop: false }`
[INFO] [stdout] 9937a2d1ba970018bff304fc6d0cfc11edf74ea99c27104674ce5e6527843014
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97b64fa9c5bab0b70a5f941ee7526dab88259070d1310475f0d18735e339b34b
[INFO] running `Command { std: "docker" "start" "-a" "97b64fa9c5bab0b70a5f941ee7526dab88259070d1310475f0d18735e339b34b", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_derive v1.0.129
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde v1.0.129
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking gulkana v1.3.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]     --> src/lib.rs:1045:13
[INFO] [stdout]      |
[INFO] [stdout] 1045 |         let s: String = DBOperationError::KeyAllreadyPresent.into();
[INFO] [stdout]      |             ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.21s
[INFO] running `Command { std: "docker" "inspect" "97b64fa9c5bab0b70a5f941ee7526dab88259070d1310475f0d18735e339b34b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97b64fa9c5bab0b70a5f941ee7526dab88259070d1310475f0d18735e339b34b", kill_on_drop: false }`
[INFO] [stdout] 97b64fa9c5bab0b70a5f941ee7526dab88259070d1310475f0d18735e339b34b