[INFO] fetching crate tuple_storage 0.1.1...
[INFO] testing tuple_storage-0.1.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate tuple_storage 0.1.1 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate tuple_storage 0.1.1 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tuple_storage 0.1.1
[INFO] finished tweaking crates.io crate tuple_storage 0.1.1
[INFO] tweaked toml for crates.io crate tuple_storage 0.1.1 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+1.49.0" "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] a5deb617b503a210cd334bae9aab4ebbf3b05913eba30b01857571468ed6b59b
[INFO] running `Command { std: "docker" "start" "-a" "a5deb617b503a210cd334bae9aab4ebbf3b05913eba30b01857571468ed6b59b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5deb617b503a210cd334bae9aab4ebbf3b05913eba30b01857571468ed6b59b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5deb617b503a210cd334bae9aab4ebbf3b05913eba30b01857571468ed6b59b", kill_on_drop: false }`
[INFO] [stdout] a5deb617b503a210cd334bae9aab4ebbf3b05913eba30b01857571468ed6b59b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] faade4ceda1ae7f34ea45c9238ea048b412a6dbb72c955812c53b54f58a52fbb
[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" "faade4ceda1ae7f34ea45c9238ea048b412a6dbb72c955812c53b54f58a52fbb", kill_on_drop: false }`
[INFO] [stderr]    Compiling memmap v0.6.2
[INFO] [stderr]    Compiling tuple_storage v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.57s
[INFO] running `Command { std: "docker" "inspect" "faade4ceda1ae7f34ea45c9238ea048b412a6dbb72c955812c53b54f58a52fbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "faade4ceda1ae7f34ea45c9238ea048b412a6dbb72c955812c53b54f58a52fbb", kill_on_drop: false }`
[INFO] [stdout] faade4ceda1ae7f34ea45c9238ea048b412a6dbb72c955812c53b54f58a52fbb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c59ccd544529fc1e08581ca110e0dd5b129633b3c89313a2b2467a1c4e4ce5c
[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" "7c59ccd544529fc1e08581ca110e0dd5b129633b3c89313a2b2467a1c4e4ce5c", kill_on_drop: false }`
[INFO] [stderr]    Compiling tuple_storage v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stdout]    --> src/lib.rs:601:9
[INFO] [stdout]     |
[INFO] [stdout] 601 |         std::fs::write(dir.path().join("demo.ts"), &blob).is_ok();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stdout]    --> src/lib.rs:657:9
[INFO] [stdout]     |
[INFO] [stdout] 657 |         std::fs::write(dir.path().join("demo.ts"), &blob).is_ok();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stdout]    --> src/lib.rs:708:9
[INFO] [stdout]     |
[INFO] [stdout] 708 |         std::fs::write(dir.path().join("demo.ts"), &blob).is_ok();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.11s
[INFO] running `Command { std: "docker" "inspect" "7c59ccd544529fc1e08581ca110e0dd5b129633b3c89313a2b2467a1c4e4ce5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c59ccd544529fc1e08581ca110e0dd5b129633b3c89313a2b2467a1c4e4ce5c", kill_on_drop: false }`
[INFO] [stdout] 7c59ccd544529fc1e08581ca110e0dd5b129633b3c89313a2b2467a1c4e4ce5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 45fcfd4304a02cf8e6d5f147a0eb1f75b26a9d0a3e2d8febb0482fd7f0eb2a80
[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" "45fcfd4304a02cf8e6d5f147a0eb1f75b26a9d0a3e2d8febb0482fd7f0eb2a80", kill_on_drop: false }`
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]    --> src/lib.rs:601:9
[INFO] [stderr]     |
[INFO] [stderr] 601 |         std::fs::write(dir.path().join("demo.ts"), &blob).is_ok();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]    --> src/lib.rs:657:9
[INFO] [stderr]     |
[INFO] [stderr] 657 |         std::fs::write(dir.path().join("demo.ts"), &blob).is_ok();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]    --> src/lib.rs:708:9
[INFO] [stderr]     |
[INFO] [stderr] 708 |         std::fs::write(dir.path().join("demo.ts"), &blob).is_ok();
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tuple_storage-20abfcd60d11ba90
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test test::tuple_to_string ... ok
[INFO] [stdout] test test::schema_to_string ... ok
[INFO] [stdout] test test::update_one ... ok
[INFO] [stdout] test test::insert_sorted ... ok
[INFO] [stdout] test test::remove_sorted_all ... ok
[INFO] [stdout] test test::remove_first ... ok
[INFO] [stdout] test test::remove_mid ... ok
[INFO] [stdout] test test::remove_all ... ok
[INFO] [stdout] test test::insert_duplicate ... ok
[INFO] [stdout] test test::serialize_empty ... ok
[INFO] [stdout] test test::serialize_one ... ok
[INFO] [stdout] test test::deserialize_empty ... ok
[INFO] [stdout] test test::deserialize_one ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tuple_storage-117719179a9b53f8
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tuple_storage
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "45fcfd4304a02cf8e6d5f147a0eb1f75b26a9d0a3e2d8febb0482fd7f0eb2a80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45fcfd4304a02cf8e6d5f147a0eb1f75b26a9d0a3e2d8febb0482fd7f0eb2a80", kill_on_drop: false }`
[INFO] [stdout] 45fcfd4304a02cf8e6d5f147a0eb1f75b26a9d0a3e2d8febb0482fd7f0eb2a80