[INFO] fetching crate memoizer 0.2.2...
[INFO] testing memoizer-0.2.2 against 1.47.0 for beta-1.48-1
[INFO] extracting crate memoizer 0.2.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate memoizer 0.2.2 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate memoizer 0.2.2
[INFO] finished tweaking crates.io crate memoizer 0.2.2
[INFO] tweaked toml for crates.io crate memoizer 0.2.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "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] d17b625d988a65794d9ca5e03a75a17c301d8370da28c7e65865306c5cde23e1
[INFO] running `Command { std: "docker" "start" "-a" "d17b625d988a65794d9ca5e03a75a17c301d8370da28c7e65865306c5cde23e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d17b625d988a65794d9ca5e03a75a17c301d8370da28c7e65865306c5cde23e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d17b625d988a65794d9ca5e03a75a17c301d8370da28c7e65865306c5cde23e1", kill_on_drop: false }`
[INFO] [stdout] d17b625d988a65794d9ca5e03a75a17c301d8370da28c7e65865306c5cde23e1
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f4eddf65db337ebd4069bb8945fe9806604fd0ae3590243a4ca3e67cfae02ee
[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" "6f4eddf65db337ebd4069bb8945fe9806604fd0ae3590243a4ca3e67cfae02ee", kill_on_drop: false }`
[INFO] [stderr]    Compiling memoizer v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "6f4eddf65db337ebd4069bb8945fe9806604fd0ae3590243a4ca3e67cfae02ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f4eddf65db337ebd4069bb8945fe9806604fd0ae3590243a4ca3e67cfae02ee", kill_on_drop: false }`
[INFO] [stdout] 6f4eddf65db337ebd4069bb8945fe9806604fd0ae3590243a4ca3e67cfae02ee
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "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] fa8d7dca38c35348948db6a0851bd6568310dfa1bf94cdf344a096c5f3a3e6d5
[INFO] running `Command { std: "docker" "start" "-a" "fa8d7dca38c35348948db6a0851bd6568310dfa1bf94cdf344a096c5f3a3e6d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling memoizer v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.57s
[INFO] running `Command { std: "docker" "inspect" "fa8d7dca38c35348948db6a0851bd6568310dfa1bf94cdf344a096c5f3a3e6d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa8d7dca38c35348948db6a0851bd6568310dfa1bf94cdf344a096c5f3a3e6d5", kill_on_drop: false }`
[INFO] [stdout] fa8d7dca38c35348948db6a0851bd6568310dfa1bf94cdf344a096c5f3a3e6d5
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "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] 30a4899f66815c9524625b2ffa5627da504b6f2e63bf97de25af12f77911084d
[INFO] running `Command { std: "docker" "start" "-a" "30a4899f66815c9524625b2ffa5627da504b6f2e63bf97de25af12f77911084d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/memoizer-db0ce5b5a12c7351
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stderr]    Doc-tests memoizer
[INFO] [stdout] test tests::constructor ... ok
[INFO] [stdout] test tests::heap_returned ... ok
[INFO] [stdout] test tests::structs_by_ref ... ok
[INFO] [stdout] test tests::multiple ... ok
[INFO] [stdout] test tests::structs ... ok
[INFO] [stdout] test tests::memoization ... ok
[INFO] [stdout] test tests::mixed_types ... ok
[INFO] [stdout] test tests::heap_allocated ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - Memoizer<U, V, F>::new (line 37) ... ok
[INFO] [stdout] test src/lib.rs - Memoizer<U, V, F>::value (line 56) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "30a4899f66815c9524625b2ffa5627da504b6f2e63bf97de25af12f77911084d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30a4899f66815c9524625b2ffa5627da504b6f2e63bf97de25af12f77911084d", kill_on_drop: false }`
[INFO] [stdout] 30a4899f66815c9524625b2ffa5627da504b6f2e63bf97de25af12f77911084d
