[INFO] fetching crate core_memo 0.1.0...
[INFO] testing core_memo-0.1.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate core_memo 0.1.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate core_memo 0.1.0 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 core_memo 0.1.0
[INFO] finished tweaking crates.io crate core_memo 0.1.0
[INFO] tweaked toml for crates.io crate core_memo 0.1.0 written to /workspace/builds/worker-11/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] [stdout] 56e163dd511671b9744e7b0e3fc4f59abe1338982cc7545579de5d824be273eb
[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" "56e163dd511671b9744e7b0e3fc4f59abe1338982cc7545579de5d824be273eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "56e163dd511671b9744e7b0e3fc4f59abe1338982cc7545579de5d824be273eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56e163dd511671b9744e7b0e3fc4f59abe1338982cc7545579de5d824be273eb", kill_on_drop: false }`
[INFO] [stdout] 56e163dd511671b9744e7b0e3fc4f59abe1338982cc7545579de5d824be273eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] a63460fdad0d95e7ac608606c0f1607ade77b45115be9c8d5f0439c5b3584be0
[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" "a63460fdad0d95e7ac608606c0f1607ade77b45115be9c8d5f0439c5b3584be0", kill_on_drop: false }`
[INFO] [stderr]    Compiling core_memo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "a63460fdad0d95e7ac608606c0f1607ade77b45115be9c8d5f0439c5b3584be0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a63460fdad0d95e7ac608606c0f1607ade77b45115be9c8d5f0439c5b3584be0", kill_on_drop: false }`
[INFO] [stdout] a63460fdad0d95e7ac608606c0f1607ade77b45115be9c8d5f0439c5b3584be0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 83aa2eb6157e6a9bfc05f7299170c189082c621c209aaac27d2ec3d9cbfc00cf
[INFO] running `Command { std: "docker" "start" "-a" "83aa2eb6157e6a9bfc05f7299170c189082c621c209aaac27d2ec3d9cbfc00cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling core_memo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `Command { std: "docker" "inspect" "83aa2eb6157e6a9bfc05f7299170c189082c621c209aaac27d2ec3d9cbfc00cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83aa2eb6157e6a9bfc05f7299170c189082c621c209aaac27d2ec3d9cbfc00cf", kill_on_drop: false }`
[INFO] [stdout] 83aa2eb6157e6a9bfc05f7299170c189082c621c209aaac27d2ec3d9cbfc00cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ebb23d7cb2d53e22b3b724a2abf2e1834ca4f609c4fb68721cf9fff3a1b66a5b
[INFO] running `Command { std: "docker" "start" "-a" "ebb23d7cb2d53e22b3b724a2abf2e1834ca4f609c4fb68721cf9fff3a1b66a5b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/core_memo-5e047865a577dd3e
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::sums ... ok
[INFO] [stdout] test tests::track_calls_mutation ... ok
[INFO] [stdout] test tests::track_calls_own ... ok
[INFO] [stdout] test tests::track_calls_ext ... ok
[INFO] [stdout] test tests::track_calls_ref ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests core_memo
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - MemoExt (line 170) ... ok
[INFO] [stdout] test src/lib.rs - MemoOnce (line 245) ... ok
[INFO] [stdout] test src/lib.rs - (line 13) ... ok
[INFO] [stdout] test src/lib.rs - Memoize (line 120) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.88s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ebb23d7cb2d53e22b3b724a2abf2e1834ca4f609c4fb68721cf9fff3a1b66a5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebb23d7cb2d53e22b3b724a2abf2e1834ca4f609c4fb68721cf9fff3a1b66a5b", kill_on_drop: false }`
[INFO] [stdout] ebb23d7cb2d53e22b3b724a2abf2e1834ca4f609c4fb68721cf9fff3a1b66a5b