[INFO] fetching crate cabin-storage 0.1.1...
[INFO] testing cabin-storage-0.1.1 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate cabin-storage 0.1.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate cabin-storage 0.1.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate cabin-storage 0.1.1
[INFO] tweaked toml for crates.io crate cabin-storage 0.1.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate cabin-storage 0.1.1 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate cabin-storage 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 065b2f0eff712956545f35c323450d596ed96b238753151584ae4d57b7cd3c46
[INFO] running `Command { std: "docker" "start" "-a" "065b2f0eff712956545f35c323450d596ed96b238753151584ae4d57b7cd3c46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "065b2f0eff712956545f35c323450d596ed96b238753151584ae4d57b7cd3c46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "065b2f0eff712956545f35c323450d596ed96b238753151584ae4d57b7cd3c46", kill_on_drop: false }`
[INFO] [stdout] 065b2f0eff712956545f35c323450d596ed96b238753151584ae4d57b7cd3c46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ee06ae32ef6345d04a4dbc99105467bf3f86142b1ddd4405274dfb6437f5e5f
[INFO] running `Command { std: "docker" "start" "-a" "2ee06ae32ef6345d04a4dbc99105467bf3f86142b1ddd4405274dfb6437f5e5f", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling crossbeam-skiplist v0.1.3
[INFO] [stderr]    Compiling cabin-storage v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `MemtableIterator` is never constructed
[INFO] [stdout]  --> src/memtable/iterator.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct MemtableIterator<'a> {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `StorageIterator` is never used
[INFO] [stdout]   --> src/memtable/iterator.rs:12:11
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub trait StorageIterator {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MergedIterator` is never constructed
[INFO] [stdout]  --> src/memtable/merged_iterator.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct MergedIterator<'a> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/memtable/merged_iterator.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl<'a> MergedIterator<'a> {
[INFO] [stdout]    | --------------------------- associated function in this implementation
[INFO] [stdout] 12 |     pub fn new(iterators: &'a mut [MemtableIterator<'a>]) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `iter` is never used
[INFO] [stdout]   --> src/memtable/table.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Memtable {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 38 |     pub fn iter(&self) -> MemtableIterator<'_> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `Command { std: "docker" "inspect" "2ee06ae32ef6345d04a4dbc99105467bf3f86142b1ddd4405274dfb6437f5e5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ee06ae32ef6345d04a4dbc99105467bf3f86142b1ddd4405274dfb6437f5e5f", kill_on_drop: false }`
[INFO] [stdout] 2ee06ae32ef6345d04a4dbc99105467bf3f86142b1ddd4405274dfb6437f5e5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad11eebbcbcd531adcff07ab5c53584b99c15117f89ea101c1fbc7451b737c94
[INFO] running `Command { std: "docker" "start" "-a" "ad11eebbcbcd531adcff07ab5c53584b99c15117f89ea101c1fbc7451b737c94", kill_on_drop: false }`
[INFO] [stdout] warning: struct `MemtableIterator` is never constructed
[INFO] [stdout]  --> src/memtable/iterator.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct MemtableIterator<'a> {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `StorageIterator` is never used
[INFO] [stdout]   --> src/memtable/iterator.rs:12:11
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub trait StorageIterator {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MergedIterator` is never constructed
[INFO] [stdout]  --> src/memtable/merged_iterator.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct MergedIterator<'a> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/memtable/merged_iterator.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl<'a> MergedIterator<'a> {
[INFO] [stdout]    | --------------------------- associated function in this implementation
[INFO] [stdout] 12 |     pub fn new(iterators: &'a mut [MemtableIterator<'a>]) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling cabin-storage v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `iter` is never used
[INFO] [stdout]   --> src/memtable/table.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Memtable {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 38 |     pub fn iter(&self) -> MemtableIterator<'_> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]  --> tests/storage.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MemtableIterator` is never constructed
[INFO] [stdout]  --> src/memtable/iterator.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct MemtableIterator<'a> {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `StorageIterator` is never used
[INFO] [stdout]   --> src/memtable/iterator.rs:12:11
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub trait StorageIterator {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MergedIterator` is never constructed
[INFO] [stdout]  --> src/memtable/merged_iterator.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct MergedIterator<'a> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/memtable/merged_iterator.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl<'a> MergedIterator<'a> {
[INFO] [stdout]    | --------------------------- associated function in this implementation
[INFO] [stdout] 12 |     pub fn new(iterators: &'a mut [MemtableIterator<'a>]) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `iter` is never used
[INFO] [stdout]   --> src/memtable/table.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Memtable {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 38 |     pub fn iter(&self) -> MemtableIterator<'_> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "ad11eebbcbcd531adcff07ab5c53584b99c15117f89ea101c1fbc7451b737c94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad11eebbcbcd531adcff07ab5c53584b99c15117f89ea101c1fbc7451b737c94", kill_on_drop: false }`
[INFO] [stdout] ad11eebbcbcd531adcff07ab5c53584b99c15117f89ea101c1fbc7451b737c94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f0af131096ed23e7e242b5dd403601dba1d0c52a3fac43305c8f46d92f568f5a
[INFO] running `Command { std: "docker" "start" "-a" "f0af131096ed23e7e242b5dd403601dba1d0c52a3fac43305c8f46d92f568f5a", kill_on_drop: false }`
[INFO] [stderr] warning: struct `MemtableIterator` is never constructed
[INFO] [stderr]  --> src/memtable/iterator.rs:7:12
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub struct MemtableIterator<'a> {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait `StorageIterator` is never used
[INFO] [stderr]   --> src/memtable/iterator.rs:12:11
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub trait StorageIterator {
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `MergedIterator` is never constructed
[INFO] [stderr]  --> src/memtable/merged_iterator.rs:7:8
[INFO] [stderr]   |
[INFO] [stderr] 7 | struct MergedIterator<'a> {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/memtable/merged_iterator.rs:12:12
[INFO] [stderr]    |
[INFO] [stderr] 11 | impl<'a> MergedIterator<'a> {
[INFO] [stderr]    | --------------------------- associated function in this implementation
[INFO] [stderr] 12 |     pub fn new(iterators: &'a mut [MemtableIterator<'a>]) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `iter` is never used
[INFO] [stderr]   --> src/memtable/table.rs:38:12
[INFO] [stderr]    |
[INFO] [stderr] 12 | impl Memtable {
[INFO] [stderr]    | ------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 38 |     pub fn iter(&self) -> MemtableIterator<'_> {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `cabin-storage` (lib) generated 5 warnings
[INFO] [stderr] warning: `cabin-storage` (lib test) generated 5 warnings (5 duplicates)
[INFO] [stderr] warning: unused import: `std::sync::Arc`
[INFO] [stderr]  --> tests/storage.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::sync::Arc;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `cabin-storage` (test "storage") generated 1 warning (run `cargo fix --test "storage" -p cabin-storage` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/cabin_storage-a77a2d55ca64c88a)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::filled_up_memtables_are_frozen ... ok
[INFO] [stdout] test memtable::table::tests::can_put_and_get_items ... ok
[INFO] [stdout] test memtable::table::tests::memtable_grows_in_size_after_put ... ok
[INFO] [stdout] test memtable::table::tests::key_not_found - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/storage.rs (/opt/rustwide/target/debug/deps/storage-c89a3e260faba5b9)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_delete_non_existent_key ... ignored
[INFO] [stdout] test can_read_frozen_memtable ... ok
[INFO] [stdout] test get_invalid_key - should panic ... ok
[INFO] [stdout] test get_returns_latest_entry ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cabin_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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f0af131096ed23e7e242b5dd403601dba1d0c52a3fac43305c8f46d92f568f5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0af131096ed23e7e242b5dd403601dba1d0c52a3fac43305c8f46d92f568f5a", kill_on_drop: false }`
[INFO] [stdout] f0af131096ed23e7e242b5dd403601dba1d0c52a3fac43305c8f46d92f568f5a
