[INFO] cloning repository https://github.com/Perfspec/cacher_with_hashmap_and_closures
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Perfspec/cacher_with_hashmap_and_closures" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPerfspec%2Fcacher_with_hashmap_and_closures", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPerfspec%2Fcacher_with_hashmap_and_closures'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 865fc660b3ef79b2cc51ea3cf3e86665ccfd798e
[INFO] checking Perfspec/cacher_with_hashmap_and_closures against try#5d9095c550fcec9e458ce8d6b0c04a217641db66 for pr-77153
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPerfspec%2Fcacher_with_hashmap_and_closures" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Perfspec/cacher_with_hashmap_and_closures on toolchain 5d9095c550fcec9e458ce8d6b0c04a217641db66
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d9095c550fcec9e458ce8d6b0c04a217641db66" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Perfspec/cacher_with_hashmap_and_closures
[INFO] finished tweaking git repo https://github.com/Perfspec/cacher_with_hashmap_and_closures
[INFO] tweaked toml for git repo https://github.com/Perfspec/cacher_with_hashmap_and_closures written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/Perfspec/cacher_with_hashmap_and_closures already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d9095c550fcec9e458ce8d6b0c04a217641db66" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+5d9095c550fcec9e458ce8d6b0c04a217641db66" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 522bc677a6b090af5a783ab447af3dcc940da0e1d8275642ed1bddb74a03a514
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "522bc677a6b090af5a783ab447af3dcc940da0e1d8275642ed1bddb74a03a514", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "522bc677a6b090af5a783ab447af3dcc940da0e1d8275642ed1bddb74a03a514", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "522bc677a6b090af5a783ab447af3dcc940da0e1d8275642ed1bddb74a03a514", kill_on_drop: false }`
[INFO] [stdout] 522bc677a6b090af5a783ab447af3dcc940da0e1d8275642ed1bddb74a03a514
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+5d9095c550fcec9e458ce8d6b0c04a217641db66" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7db65c94ba6f22d50a088a056b6110a2532560c653616e7ff52d7ff4bb2f8bdf
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7db65c94ba6f22d50a088a056b6110a2532560c653616e7ff52d7ff4bb2f8bdf", kill_on_drop: false }`
[INFO] [stderr]     Checking cacher_with_hashmap_and_closures v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `v1`
[INFO] [stdout]   --> src/lib.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let v1 = c.value(1);
[INFO] [stdout]    |             ^^ help: if this is intentional, prefix it with an underscore: `_v1`
[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 0.68s
[INFO] running `Command { std: "docker" "inspect" "7db65c94ba6f22d50a088a056b6110a2532560c653616e7ff52d7ff4bb2f8bdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7db65c94ba6f22d50a088a056b6110a2532560c653616e7ff52d7ff4bb2f8bdf", kill_on_drop: false }`
[INFO] [stdout] 7db65c94ba6f22d50a088a056b6110a2532560c653616e7ff52d7ff4bb2f8bdf