[INFO] crate core_memo 0.1.0 is already in cache
[INFO] testing core_memo-0.1.0 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate core_memo 0.1.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate core_memo 0.1.0 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "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-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e923635fb5e6b100e09011303d73e860abe16d2d6c5f72430aa51dacee355d3a
[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" "e923635fb5e6b100e09011303d73e860abe16d2d6c5f72430aa51dacee355d3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e923635fb5e6b100e09011303d73e860abe16d2d6c5f72430aa51dacee355d3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e923635fb5e6b100e09011303d73e860abe16d2d6c5f72430aa51dacee355d3a", kill_on_drop: false }`
[INFO] [stdout] e923635fb5e6b100e09011303d73e860abe16d2d6c5f72430aa51dacee355d3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 077cb938bf0f63379ccfa2f1b1d6d36f5044c2653fa1e2103329d0c799c3fcec
[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" "077cb938bf0f63379ccfa2f1b1d6d36f5044c2653fa1e2103329d0c799c3fcec", kill_on_drop: false }`
[INFO] [stderr]    Compiling core_memo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "077cb938bf0f63379ccfa2f1b1d6d36f5044c2653fa1e2103329d0c799c3fcec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "077cb938bf0f63379ccfa2f1b1d6d36f5044c2653fa1e2103329d0c799c3fcec", kill_on_drop: false }`
[INFO] [stdout] 077cb938bf0f63379ccfa2f1b1d6d36f5044c2653fa1e2103329d0c799c3fcec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 86d87910fe1892f34ceb178b4814fc670607d6f1844959a19b02463650369851
[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" "86d87910fe1892f34ceb178b4814fc670607d6f1844959a19b02463650369851", kill_on_drop: false }`
[INFO] [stderr]    Compiling core_memo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.63s
[INFO] running `Command { std: "docker" "inspect" "86d87910fe1892f34ceb178b4814fc670607d6f1844959a19b02463650369851", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86d87910fe1892f34ceb178b4814fc670607d6f1844959a19b02463650369851", kill_on_drop: false }`
[INFO] [stdout] 86d87910fe1892f34ceb178b4814fc670607d6f1844959a19b02463650369851
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2d75ece177b84f7ceb28b8ad8497484e3e7fb5bf984d8c43934fa17efc36e6c3
[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" "2d75ece177b84f7ceb28b8ad8497484e3e7fb5bf984d8c43934fa17efc36e6c3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/core_memo-76e19c68f95fa49f
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::track_calls_ext ... ok
[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_ref ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests core_memo
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - (line 13) ... ok
[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 - Memoize (line 120) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2d75ece177b84f7ceb28b8ad8497484e3e7fb5bf984d8c43934fa17efc36e6c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d75ece177b84f7ceb28b8ad8497484e3e7fb5bf984d8c43934fa17efc36e6c3", kill_on_drop: false }`
[INFO] [stdout] 2d75ece177b84f7ceb28b8ad8497484e3e7fb5bf984d8c43934fa17efc36e6c3