[INFO] fetching crate fn-cache 0.5.0...
[INFO] testing fn-cache-0.5.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate fn-cache 0.5.0 into /workspace/builds/worker-31/source
[INFO] validating manifest of crates.io crate fn-cache 0.5.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-31/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 29507fad9a0927b708c5eee46567c1da99dc1ab9b2667d6bf7f2dc0d9d9a03d3
[INFO] running `Command { std: "docker" "start" "-a" "29507fad9a0927b708c5eee46567c1da99dc1ab9b2667d6bf7f2dc0d9d9a03d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29507fad9a0927b708c5eee46567c1da99dc1ab9b2667d6bf7f2dc0d9d9a03d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29507fad9a0927b708c5eee46567c1da99dc1ab9b2667d6bf7f2dc0d9d9a03d3", kill_on_drop: false }`
[INFO] [stdout] 29507fad9a0927b708c5eee46567c1da99dc1ab9b2667d6bf7f2dc0d9d9a03d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d3f631c3a9b86b91df699f4b2a1919eb3df4462577febf7349fd84c789e13b2
[INFO] running `Command { std: "docker" "start" "-a" "8d3f631c3a9b86b91df699f4b2a1919eb3df4462577febf7349fd84c789e13b2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling fn-cache v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "8d3f631c3a9b86b91df699f4b2a1919eb3df4462577febf7349fd84c789e13b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d3f631c3a9b86b91df699f4b2a1919eb3df4462577febf7349fd84c789e13b2", kill_on_drop: false }`
[INFO] [stdout] 8d3f631c3a9b86b91df699f4b2a1919eb3df4462577febf7349fd84c789e13b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c7222b835a302eeafa962b4504e5ddc55b8c52d1fd98c9c3e0b20c3cc3314db1
[INFO] running `Command { std: "docker" "start" "-a" "c7222b835a302eeafa962b4504e5ddc55b8c52d1fd98c9c3e0b20c3cc3314db1", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.4.3
[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 fxhash v0.2.1
[INFO] [stderr]    Compiling hashers v1.0.1
[INFO] [stderr]    Compiling fn-cache v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.40s
[INFO] running `Command { std: "docker" "inspect" "c7222b835a302eeafa962b4504e5ddc55b8c52d1fd98c9c3e0b20c3cc3314db1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7222b835a302eeafa962b4504e5ddc55b8c52d1fd98c9c3e0b20c3cc3314db1", kill_on_drop: false }`
[INFO] [stdout] c7222b835a302eeafa962b4504e5ddc55b8c52d1fd98c9c3e0b20c3cc3314db1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6bc7fc2377a7101b6657f86808bcdef91b82dc1fb9e621e45a7c113cc1cd2cfb
[INFO] running `Command { std: "docker" "start" "-a" "6bc7fc2377a7101b6657f86808bcdef91b82dc1fb9e621e45a7c113cc1cd2cfb", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fn_cache-f4a667d6f3e27a04)
[INFO] [stdout] 
[INFO] [stdout] running 29 tests
[INFO] [stdout] test tests::btree_cache::clear ... ok
[INFO] [stdout] test tests::btree_cache::get_closure ... ok
[INFO] [stdout] test tests::btree_cache::get_alternate_value ... ok
[INFO] [stdout] test tests::btree_cache::get_closure_capture ... 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::len ... ok
[INFO] [stdout] test tests::btree_cache::remove ... ok
[INFO] [stdout] test tests::hash_cache::clear ... 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::get_fn_ptr ... ok
[INFO] [stdout] test tests::hash_cache::get_fn_ptr_recursive ... ok
[INFO] [stdout] test tests::hash_cache::len ... ok
[INFO] [stdout] test tests::hash_cache::remove ... ok
[INFO] [stdout] test tests::hash_cache::with_hasher ... ok
[INFO] [stdout] test tests::vec_cache::cache_alternate_cache ... ok
[INFO] [stdout] test tests::vec_cache::cache_closure ... 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_closure_recursive ... ok
[INFO] [stdout] test tests::vec_cache::cache_fn_ptr ... ok
[INFO] [stdout] test tests::vec_cache::cache_fn_ptr_recursive ... ok
[INFO] [stdout] test tests::vec_cache::clear ... ok
[INFO] [stdout] test tests::vec_cache::len ... ok
[INFO] [stdout] test tests::vec_cache::reserve ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 29 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[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 0.42s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6bc7fc2377a7101b6657f86808bcdef91b82dc1fb9e621e45a7c113cc1cd2cfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bc7fc2377a7101b6657f86808bcdef91b82dc1fb9e621e45a7c113cc1cd2cfb", kill_on_drop: false }`
[INFO] [stdout] 6bc7fc2377a7101b6657f86808bcdef91b82dc1fb9e621e45a7c113cc1cd2cfb