[INFO] fetching crate stable-arena 0.2.0...
[INFO] building stable-arena-0.2.0 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate stable-arena 0.2.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate stable-arena 0.2.0
[INFO] finished tweaking crates.io crate stable-arena 0.2.0
[INFO] tweaked toml for crates.io crate stable-arena 0.2.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate stable-arena 0.2.0 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate stable-arena 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8c014e6a608b74a3cdcd929cfe77a5dc9eb765cb77e76a938870ed0425fc7b1a
[INFO] running `Command { std: "docker" "start" "-a" "8c014e6a608b74a3cdcd929cfe77a5dc9eb765cb77e76a938870ed0425fc7b1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c014e6a608b74a3cdcd929cfe77a5dc9eb765cb77e76a938870ed0425fc7b1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c014e6a608b74a3cdcd929cfe77a5dc9eb765cb77e76a938870ed0425fc7b1a", kill_on_drop: false }`
[INFO] [stdout] 8c014e6a608b74a3cdcd929cfe77a5dc9eb765cb77e76a938870ed0425fc7b1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 22f04534154ac316ebb73272bb19d918a862723ca10a0474c302a66fecb3110b
[INFO] running `Command { std: "docker" "start" "-a" "22f04534154ac316ebb73272bb19d918a862723ca10a0474c302a66fecb3110b", kill_on_drop: false }`
[INFO] [stderr]    Compiling smallvec v1.14.0
[INFO] [stderr]    Compiling stable-arena v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "22f04534154ac316ebb73272bb19d918a862723ca10a0474c302a66fecb3110b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22f04534154ac316ebb73272bb19d918a862723ca10a0474c302a66fecb3110b", kill_on_drop: false }`
[INFO] [stdout] 22f04534154ac316ebb73272bb19d918a862723ca10a0474c302a66fecb3110b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df829e68c2c40746fb44ddf2cd4e55ad49eecf9111f082278a505824f88a7092
[INFO] running `Command { std: "docker" "start" "-a" "df829e68c2c40746fb44ddf2cd4e55ad49eecf9111f082278a505824f88a7092", kill_on_drop: false }`
[INFO] [stderr]    Compiling stable-arena v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `declare_arena`
[INFO] [stdout]  --> src/tests.rs:3:40
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::{DroplessArena, TypedArena, declare_arena};
[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 0.70s
[INFO] running `Command { std: "docker" "inspect" "df829e68c2c40746fb44ddf2cd4e55ad49eecf9111f082278a505824f88a7092", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df829e68c2c40746fb44ddf2cd4e55ad49eecf9111f082278a505824f88a7092", kill_on_drop: false }`
[INFO] [stdout] df829e68c2c40746fb44ddf2cd4e55ad49eecf9111f082278a505824f88a7092
