[INFO] fetching crate fn-cache 0.5.0...
[INFO] testing fn-cache-0.5.0 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate fn-cache 0.5.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate fn-cache 0.5.0 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fn-cache 0.5.0
[INFO] finished tweaking crates.io crate fn-cache 0.5.0
[INFO] tweaked toml for crates.io crate fn-cache 0.5.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hashers v1.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d86544c697f9c21ea234c697424e37fab25a67bcd8d74d5321faf4b7e2c4c515
[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" "d86544c697f9c21ea234c697424e37fab25a67bcd8d74d5321faf4b7e2c4c515", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d86544c697f9c21ea234c697424e37fab25a67bcd8d74d5321faf4b7e2c4c515", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d86544c697f9c21ea234c697424e37fab25a67bcd8d74d5321faf4b7e2c4c515", kill_on_drop: false }`
[INFO] [stdout] d86544c697f9c21ea234c697424e37fab25a67bcd8d74d5321faf4b7e2c4c515
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 793a10a3a8d897678e918132ed212f3575b1bbd8558570e64cce87e00657cf87
[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" "793a10a3a8d897678e918132ed212f3575b1bbd8558570e64cce87e00657cf87", kill_on_drop: false }`
[INFO] [stderr]    Compiling fn-cache v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "793a10a3a8d897678e918132ed212f3575b1bbd8558570e64cce87e00657cf87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "793a10a3a8d897678e918132ed212f3575b1bbd8558570e64cce87e00657cf87", kill_on_drop: false }`
[INFO] [stdout] 793a10a3a8d897678e918132ed212f3575b1bbd8558570e64cce87e00657cf87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a3939cd2d4d4f49a23f4d608ae0e8eda2ee24f566a53c83bc25ad4b4ce0509a
[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" "6a3939cd2d4d4f49a23f4d608ae0e8eda2ee24f566a53c83bc25ad4b4ce0509a", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling hashers v1.0.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling fn-cache v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 12.42s
[INFO] running `Command { std: "docker" "inspect" "6a3939cd2d4d4f49a23f4d608ae0e8eda2ee24f566a53c83bc25ad4b4ce0509a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a3939cd2d4d4f49a23f4d608ae0e8eda2ee24f566a53c83bc25ad4b4ce0509a", kill_on_drop: false }`
[INFO] [stdout] 6a3939cd2d4d4f49a23f4d608ae0e8eda2ee24f566a53c83bc25ad4b4ce0509a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6fe54454f0cda5b268dd7ce011ba23131157d20138de323b0790134aa1ea9170
[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" "6fe54454f0cda5b268dd7ce011ba23131157d20138de323b0790134aa1ea9170", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 29 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fn_cache-8f1b6d6c48183170)
[INFO] [stdout] test tests::btree_cache::clear ... ok
[INFO] [stdout] test tests::btree_cache::get_closure ... ok
[INFO] [stdout] test tests::btree_cache::get_closure_recursive ... ok
[INFO] [stdout] test tests::btree_cache::get_fn_ptr ... ok
[INFO] [stdout] test tests::btree_cache::get_fn_ptr_recursive ... ok
[INFO] [stdout] test tests::btree_cache::get_alternate_value ... ok
[INFO] [stdout] test tests::btree_cache::len ... ok
[INFO] [stdout] test tests::hash_cache::get_alternate_value ... ok
[INFO] [stdout] test tests::hash_cache::get_closure ... ok
[INFO] [stdout] test tests::hash_cache::get_closure_capture ... ok
[INFO] [stdout] test tests::hash_cache::get_closure_recursive ... ok
[INFO] [stdout] test tests::hash_cache::len ... ok
[INFO] [stdout] test tests::btree_cache::remove ... ok
[INFO] [stdout] test tests::hash_cache::clear ... ok
[INFO] [stdout] test tests::vec_cache::cache_alternate_cache ... ok
[INFO] [stdout] test tests::hash_cache::reserve ... ok
[INFO] [stdout] test tests::vec_cache::cache_closure_capture ... ok
[INFO] [stdout] test tests::vec_cache::cache_fn_ptr ... ok
[INFO] [stdout] test tests::vec_cache::cache_closure ... ok
[INFO] [stdout] test tests::hash_cache::with_hasher ... ok
[INFO] [stdout] test tests::vec_cache::cache_fn_ptr_recursive ... ok
[INFO] [stdout] test tests::vec_cache::len ... ok
[INFO] [stdout] test tests::vec_cache::clear ... ok
[INFO] [stdout] test tests::vec_cache::reserve ... ok
[INFO] [stdout] test tests::btree_cache::get_closure_capture ... ok
[INFO] [stdout] test tests::vec_cache::cache_closure_recursive ... ok
[INFO] [stdout] test tests::hash_cache::get_fn_ptr ... ok
[INFO] [stdout] test tests::hash_cache::remove ... ok
[INFO] [stdout] test tests::hash_cache::get_fn_ptr_recursive ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 29 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fn-cache
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 31) ... ok
[INFO] [stdout] test src/lib.rs - (line 53) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.35s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6fe54454f0cda5b268dd7ce011ba23131157d20138de323b0790134aa1ea9170", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fe54454f0cda5b268dd7ce011ba23131157d20138de323b0790134aa1ea9170", kill_on_drop: false }`
[INFO] [stdout] 6fe54454f0cda5b268dd7ce011ba23131157d20138de323b0790134aa1ea9170