[INFO] fetching crate ds_store 0.2.1...
[INFO] testing ds_store-0.2.1 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate ds_store 0.2.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate ds_store 0.2.1 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ds_store 0.2.1
[INFO] removed 1 missing examples
[INFO] finished tweaking crates.io crate ds_store 0.2.1
[INFO] tweaked toml for crates.io crate ds_store 0.2.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 88fd20c339c42c8dc21779cf689629617f1c396108854388b79516654264fe25
[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" "88fd20c339c42c8dc21779cf689629617f1c396108854388b79516654264fe25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88fd20c339c42c8dc21779cf689629617f1c396108854388b79516654264fe25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88fd20c339c42c8dc21779cf689629617f1c396108854388b79516654264fe25", kill_on_drop: false }`
[INFO] [stdout] 88fd20c339c42c8dc21779cf689629617f1c396108854388b79516654264fe25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 992403e2c4663e6cc7c529987331ad3bac16a073f182951988680b41318a2f65
[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" "992403e2c4663e6cc7c529987331ad3bac16a073f182951988680b41318a2f65", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling ds_store v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `num_internals`
[INFO] [stdout]   --> src/allocator.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     num_internals: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `num_nodes`
[INFO] [stdout]   --> src/allocator.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     num_nodes: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `num_records`
[INFO] [stdout]   --> src/allocator.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     num_records: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.26s
[INFO] running `Command { std: "docker" "inspect" "992403e2c4663e6cc7c529987331ad3bac16a073f182951988680b41318a2f65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "992403e2c4663e6cc7c529987331ad3bac16a073f182951988680b41318a2f65", kill_on_drop: false }`
[INFO] [stdout] 992403e2c4663e6cc7c529987331ad3bac16a073f182951988680b41318a2f65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9be1399a91149fed62274f4f45006b4659d576bed8e5fe6906f482a750bbbf0d
[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" "9be1399a91149fed62274f4f45006b4659d576bed8e5fe6906f482a750bbbf0d", kill_on_drop: false }`
[INFO] [stdout] warning: field is never read: `num_internals`
[INFO] [stdout]   --> src/allocator.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     num_internals: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `num_nodes`
[INFO] [stdout]   --> src/allocator.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     num_nodes: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `num_records`
[INFO] [stdout]   --> src/allocator.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     num_records: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ds_store v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `num_internals`
[INFO] [stdout]   --> src/allocator.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     num_internals: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `num_nodes`
[INFO] [stdout]   --> src/allocator.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     num_nodes: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `num_records`
[INFO] [stdout]   --> src/allocator.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     num_records: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "9be1399a91149fed62274f4f45006b4659d576bed8e5fe6906f482a750bbbf0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9be1399a91149fed62274f4f45006b4659d576bed8e5fe6906f482a750bbbf0d", kill_on_drop: false }`
[INFO] [stdout] 9be1399a91149fed62274f4f45006b4659d576bed8e5fe6906f482a750bbbf0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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] ae9b4d205c69c4bb1208fa5afd09fba507dca26e3b5eb78503136bf82833266c
[INFO] running `Command { std: "docker" "start" "-a" "ae9b4d205c69c4bb1208fa5afd09fba507dca26e3b5eb78503136bf82833266c", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `num_internals`
[INFO] [stderr]   --> src/allocator.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     num_internals: u32,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `num_nodes`
[INFO] [stderr]   --> src/allocator.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     num_nodes: u32,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `num_records`
[INFO] [stderr]   --> src/allocator.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     num_records: u32,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `ds_store` (lib) generated 3 warnings
[INFO] [stderr] warning: `ds_store` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ds_store-01de4e23af811d73)
[INFO] [stderr]    Doc-tests ds_store
[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; finished in 0.00s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ae9b4d205c69c4bb1208fa5afd09fba507dca26e3b5eb78503136bf82833266c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae9b4d205c69c4bb1208fa5afd09fba507dca26e3b5eb78503136bf82833266c", kill_on_drop: false }`
[INFO] [stdout] ae9b4d205c69c4bb1208fa5afd09fba507dca26e3b5eb78503136bf82833266c