[INFO] fetching crate closure_cacher 0.2.1...
[INFO] testing closure_cacher-0.2.1 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate closure_cacher 0.2.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate closure_cacher 0.2.1 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate closure_cacher 0.2.1
[INFO] finished tweaking crates.io crate closure_cacher 0.2.1
[INFO] tweaked toml for crates.io crate closure_cacher 0.2.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "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] c22fcb920d4ea3824898a460ec0d7b5d6868de0acbce4d173328a34927366626
[INFO] running `Command { std: "docker" "start" "-a" "c22fcb920d4ea3824898a460ec0d7b5d6868de0acbce4d173328a34927366626", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c22fcb920d4ea3824898a460ec0d7b5d6868de0acbce4d173328a34927366626", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c22fcb920d4ea3824898a460ec0d7b5d6868de0acbce4d173328a34927366626", kill_on_drop: false }`
[INFO] [stdout] c22fcb920d4ea3824898a460ec0d7b5d6868de0acbce4d173328a34927366626
[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=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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "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] a75aec69f2aeb07747cbf3fe013fdc9bc737537e177a13ad58aff79de57b08b3
[INFO] running `Command { std: "docker" "start" "-a" "a75aec69f2aeb07747cbf3fe013fdc9bc737537e177a13ad58aff79de57b08b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling closure_cacher v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "a75aec69f2aeb07747cbf3fe013fdc9bc737537e177a13ad58aff79de57b08b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a75aec69f2aeb07747cbf3fe013fdc9bc737537e177a13ad58aff79de57b08b3", kill_on_drop: false }`
[INFO] [stdout] a75aec69f2aeb07747cbf3fe013fdc9bc737537e177a13ad58aff79de57b08b3
[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=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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--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] a47ae559e4cb01825da1fea4ee26aa9e1a6c23d9d5bc815f22804266de28f0df
[INFO] running `Command { std: "docker" "start" "-a" "a47ae559e4cb01825da1fea4ee26aa9e1a6c23d9d5bc815f22804266de28f0df", kill_on_drop: false }`
[INFO] [stderr]    Compiling closure_cacher v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `Command { std: "docker" "inspect" "a47ae559e4cb01825da1fea4ee26aa9e1a6c23d9d5bc815f22804266de28f0df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a47ae559e4cb01825da1fea4ee26aa9e1a6c23d9d5bc815f22804266de28f0df", kill_on_drop: false }`
[INFO] [stdout] a47ae559e4cb01825da1fea4ee26aa9e1a6c23d9d5bc815f22804266de28f0df
[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=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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c72d50ff57a0043e7b177d8df27d811d1b278fdd7e890a23cf8d7e0c3700876d
[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" "c72d50ff57a0043e7b177d8df27d811d1b278fdd7e890a23cf8d7e0c3700876d", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/closure_cacher-80430ee6a2d172ee)
[INFO] [stdout] test tests::returns_closure_output_with_input_copy ... ok
[INFO] [stdout] test tests::returns_closure_output_with_input_referenced ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests closure_cacher
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - Cacher (line 10) ... ok
[INFO] [stdout] test src/lib.rs - RefCacher (line 45) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.08s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c72d50ff57a0043e7b177d8df27d811d1b278fdd7e890a23cf8d7e0c3700876d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c72d50ff57a0043e7b177d8df27d811d1b278fdd7e890a23cf8d7e0c3700876d", kill_on_drop: false }`
[INFO] [stdout] c72d50ff57a0043e7b177d8df27d811d1b278fdd7e890a23cf8d7e0c3700876d