[INFO] fetching crate fn-cache 0.5.0...
[INFO] testing fn-cache-0.5.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate fn-cache 0.5.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate fn-cache 0.5.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", 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-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3602a52970fe1f1f48e1db5face2909ed152ff3f611603895d84ffa321527588
[INFO] running `Command { std: "docker" "start" "-a" "3602a52970fe1f1f48e1db5face2909ed152ff3f611603895d84ffa321527588", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3602a52970fe1f1f48e1db5face2909ed152ff3f611603895d84ffa321527588", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3602a52970fe1f1f48e1db5face2909ed152ff3f611603895d84ffa321527588", kill_on_drop: false }`
[INFO] [stdout] 3602a52970fe1f1f48e1db5face2909ed152ff3f611603895d84ffa321527588
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af8d153e14c5d350c5031becb8dd0a9e3ac46e49850b6099ca68e238e1c6f62e
[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" "af8d153e14c5d350c5031becb8dd0a9e3ac46e49850b6099ca68e238e1c6f62e", kill_on_drop: false }`
[INFO] [stderr]    Compiling fn-cache v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "af8d153e14c5d350c5031becb8dd0a9e3ac46e49850b6099ca68e238e1c6f62e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af8d153e14c5d350c5031becb8dd0a9e3ac46e49850b6099ca68e238e1c6f62e", kill_on_drop: false }`
[INFO] [stdout] af8d153e14c5d350c5031becb8dd0a9e3ac46e49850b6099ca68e238e1c6f62e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9728ae8332d7740b9e35fb6cc866a5a2ca478cab1744a7f98f6ed3eab6b78822
[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" "9728ae8332d7740b9e35fb6cc866a5a2ca478cab1744a7f98f6ed3eab6b78822", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling hashers v1.0.1
[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 10.41s
[INFO] running `Command { std: "docker" "inspect" "9728ae8332d7740b9e35fb6cc866a5a2ca478cab1744a7f98f6ed3eab6b78822", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9728ae8332d7740b9e35fb6cc866a5a2ca478cab1744a7f98f6ed3eab6b78822", kill_on_drop: false }`
[INFO] [stdout] 9728ae8332d7740b9e35fb6cc866a5a2ca478cab1744a7f98f6ed3eab6b78822
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ef6fbcb0de8489f52e8ac2228d08f3cbbbd130aa0e550665140aadf027dbd969
[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" "ef6fbcb0de8489f52e8ac2228d08f3cbbbd130aa0e550665140aadf027dbd969", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fn_cache-709f730a317da357
[INFO] [stdout] 
[INFO] [stdout] running 29 tests
[INFO] [stdout] test tests::btree_cache::clear ... 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::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::btree_cache::get_closure ... ok
[INFO] [stdout] test tests::hash_cache::reserve ... ok
[INFO] [stdout] test tests::hash_cache::with_hasher ... ok
[INFO] [stdout] test tests::vec_cache::cache_alternate_cache ... ok
[INFO] [stderr]    Doc-tests fn-cache
[INFO] [stdout] test tests::vec_cache::cache_closure ... ok
[INFO] [stdout] test tests::vec_cache::clear ... ok
[INFO] [stdout] test tests::btree_cache::get_alternate_value ... ok
[INFO] [stdout] test tests::vec_cache::cache_closure_capture ... ok
[INFO] [stdout] test tests::hash_cache::remove ... ok
[INFO] [stdout] test tests::hash_cache::get_alternate_value ... ok
[INFO] [stdout] test tests::btree_cache::get_closure_capture ... ok
[INFO] [stdout] test tests::hash_cache::get_closure ... ok
[INFO] [stdout] test tests::vec_cache::len ... ok
[INFO] [stdout] test tests::vec_cache::cache_fn_ptr ... ok
[INFO] [stdout] test tests::vec_cache::reserve ... ok
[INFO] [stdout] test tests::vec_cache::cache_closure_recursive ... ok
[INFO] [stdout] test tests::btree_cache::remove ... ok
[INFO] [stdout] test tests::vec_cache::cache_fn_ptr_recursive ... ok
[INFO] [stdout] test tests::hash_cache::clear ... 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] [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 1.36s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ef6fbcb0de8489f52e8ac2228d08f3cbbbd130aa0e550665140aadf027dbd969", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef6fbcb0de8489f52e8ac2228d08f3cbbbd130aa0e550665140aadf027dbd969", kill_on_drop: false }`
[INFO] [stdout] ef6fbcb0de8489f52e8ac2228d08f3cbbbd130aa0e550665140aadf027dbd969