[INFO] fetching crate gs-rust-cache 0.1.2...
[INFO] checking gs-rust-cache-0.1.2 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate gs-rust-cache 0.1.2 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate gs-rust-cache 0.1.2
[INFO] finished tweaking crates.io crate gs-rust-cache 0.1.2
[INFO] tweaked toml for crates.io crate gs-rust-cache 0.1.2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate gs-rust-cache 0.1.2 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 34 packages to latest compatible versions
[INFO] [stderr]       Adding lru v0.12.5 (available: v0.15.0)
[INFO] [stderr]       Adding rstest v0.24.0 (available: v0.25.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c60a9857109ac53014f5979f7249ec2ea67aca9c9e03301f19c702790e83d6a2
[INFO] running `Command { std: "docker" "start" "-a" "c60a9857109ac53014f5979f7249ec2ea67aca9c9e03301f19c702790e83d6a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c60a9857109ac53014f5979f7249ec2ea67aca9c9e03301f19c702790e83d6a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c60a9857109ac53014f5979f7249ec2ea67aca9c9e03301f19c702790e83d6a2", kill_on_drop: false }`
[INFO] [stdout] c60a9857109ac53014f5979f7249ec2ea67aca9c9e03301f19c702790e83d6a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9fb35955ed2db135a89762481479d0e3c3d07c50a6d7182ee58e767d9a902d3f
[INFO] running `Command { std: "docker" "start" "-a" "9fb35955ed2db135a89762481479d0e3c3d07c50a6d7182ee58e767d9a902d3f", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling hashbrown v0.15.4
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]    Compiling winnow v0.7.11
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking allocator-api2 v0.2.21
[INFO] [stderr]    Compiling glob v0.3.2
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling indexmap v2.10.0
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling rstest_macros v0.24.0
[INFO] [stderr]    Compiling cfg-if v1.0.1
[INFO] [stderr]     Checking slab v0.4.10
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]    Compiling relative-path v1.9.3
[INFO] [stderr]     Checking futures-timer v3.0.3
[INFO] [stderr]     Checking lru v0.12.5
[INFO] [stderr]     Checking gs-rust-cache v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling toml_edit v0.22.27
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling proc-macro-crate v3.3.0
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking rstest v0.24.0
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/lib.rs:568:51
[INFO] [stdout]     |
[INFO] [stdout] 568 |         let handles: Vec<_> = (0..n_threads).map(|i| {
[INFO] [stdout]     |                                                   ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 30.61s
[INFO] running `Command { std: "docker" "inspect" "9fb35955ed2db135a89762481479d0e3c3d07c50a6d7182ee58e767d9a902d3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fb35955ed2db135a89762481479d0e3c3d07c50a6d7182ee58e767d9a902d3f", kill_on_drop: false }`
[INFO] [stdout] 9fb35955ed2db135a89762481479d0e3c3d07c50a6d7182ee58e767d9a902d3f