[INFO] fetching crate cachers 0.1.0...
[INFO] testing cachers-0.1.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate cachers 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate cachers 0.1.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cachers 0.1.0
[INFO] finished tweaking crates.io crate cachers 0.1.0
[INFO] tweaked toml for crates.io crate cachers 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 26f7803bf856a7448fdd1b2472138da0e147f3e4d03eb133a935abd21349f36b
[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" "26f7803bf856a7448fdd1b2472138da0e147f3e4d03eb133a935abd21349f36b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26f7803bf856a7448fdd1b2472138da0e147f3e4d03eb133a935abd21349f36b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26f7803bf856a7448fdd1b2472138da0e147f3e4d03eb133a935abd21349f36b", kill_on_drop: false }`
[INFO] [stdout] 26f7803bf856a7448fdd1b2472138da0e147f3e4d03eb133a935abd21349f36b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", 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] b5e1fdf4c579dd8cbddc6a2d6adee4b8bd0269ae7fc68129f38a03534070e432
[INFO] running `Command { std: "docker" "start" "-a" "b5e1fdf4c579dd8cbddc6a2d6adee4b8bd0269ae7fc68129f38a03534070e432", kill_on_drop: false }`
[INFO] [stderr]    Compiling cachers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.54s
[INFO] running `Command { std: "docker" "inspect" "b5e1fdf4c579dd8cbddc6a2d6adee4b8bd0269ae7fc68129f38a03534070e432", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5e1fdf4c579dd8cbddc6a2d6adee4b8bd0269ae7fc68129f38a03534070e432", kill_on_drop: false }`
[INFO] [stdout] b5e1fdf4c579dd8cbddc6a2d6adee4b8bd0269ae7fc68129f38a03534070e432
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 66970addd80f94263f37a7d9ae4c3ef26018706db3d1f4a839f7edab66681bcf
[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" "66970addd80f94263f37a7d9ae4c3ef26018706db3d1f4a839f7edab66681bcf", kill_on_drop: false }`
[INFO] [stderr]    Compiling cachers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.79s
[INFO] running `Command { std: "docker" "inspect" "66970addd80f94263f37a7d9ae4c3ef26018706db3d1f4a839f7edab66681bcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66970addd80f94263f37a7d9ae4c3ef26018706db3d1f4a839f7edab66681bcf", kill_on_drop: false }`
[INFO] [stdout] 66970addd80f94263f37a7d9ae4c3ef26018706db3d1f4a839f7edab66681bcf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] eab502b81cc6caa205b031acc622e2dee7233d646da8a3f75897884abca87402
[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" "eab502b81cc6caa205b031acc622e2dee7233d646da8a3f75897884abca87402", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cachers-053cf0905d75135c)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test eviction::tests::test_it_works ... ok
[INFO] [stdout] test segment::tests::get_or_populate_evicts ... ok
[INFO] [stdout] test segment::tests::hit_populates ... ok
[INFO] [stdout] test segment::tests::update_populates ... ok
[INFO] [stdout] test segment::tests::update_updates ... ok
[INFO] [stdout] test segment::tests::update_removes ... ok
[INFO] [stdout] test tests::evicts ... ok
[INFO] [stdout] test tests::hit_populates ... ok
[INFO] [stdout] test tests::update_populates ... ok
[INFO] [stdout] test tests::miss_populates_not ... ok
[INFO] [stdout] test tests::update_removes ... ok
[INFO] [stdout] test tests::remove_removes ... ok
[INFO] [stdout] test tests::update_updates ... ok
[INFO] [stdout] test segment::tests::miss_populates_not ... ok
[INFO] [stdout] test segment::tests::update_evicts ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cachers
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - CacheThrough<K,V>::new (line 85) ... ok
[INFO] [stdout] test src/lib.rs - CacheThrough (line 50) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.38s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "eab502b81cc6caa205b031acc622e2dee7233d646da8a3f75897884abca87402", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eab502b81cc6caa205b031acc622e2dee7233d646da8a3f75897884abca87402", kill_on_drop: false }`
[INFO] [stdout] eab502b81cc6caa205b031acc622e2dee7233d646da8a3f75897884abca87402