[INFO] fetching crate rusty_junctions 0.1.0...
[INFO] checking rusty_junctions-0.1.0 against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] extracting crate rusty_junctions 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate rusty_junctions 0.1.0 on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rusty_junctions 0.1.0
[INFO] finished tweaking crates.io crate rusty_junctions 0.1.0
[INFO] tweaked toml for crates.io crate rusty_junctions 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=forbid" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 58ea9c7bac5e6348065cdbe858fbaae31632e10901fb1138e1eff95883ead2dd
[INFO] running `"docker" "start" "-a" "58ea9c7bac5e6348065cdbe858fbaae31632e10901fb1138e1eff95883ead2dd"`
[INFO] [stderr]     Checking rusty_junctions v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: method is never used: `contains_items`
[INFO] [stderr]   --> src/bag.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 |     pub(crate) fn contains_items(&self, key: &K) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `id`
[INFO] [stderr]   --> src/channels.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub(crate) fn id(&self) -> ids::ChannelId {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `id`
[INFO] [stderr]    --> src/channels.rs:127:5
[INFO] [stderr]     |
[INFO] [stderr] 127 |     pub(crate) fn id(&self) -> ids::ChannelId {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `id`
[INFO] [stderr]    --> src/channels.rs:238:5
[INFO] [stderr]     |
[INFO] [stderr] 238 |     pub(crate) fn id(&self) -> ids::ChannelId {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `insert_multiple`
[INFO] [stderr]   --> src/inverted_index.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 |     pub(crate) fn insert_multiple(&mut self, key: K, values: impl IntoIterator<Item = V>) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `peek_first`
[INFO] [stderr]   --> src/inverted_index.rs:65:5
[INFO] [stderr]    |
[INFO] [stderr] 65 |     pub(crate) fn peek_first(&self, key: &K) -> Option<&V> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `junction_id`
[INFO] [stderr]    --> src/patterns.rs:768:9
[INFO] [stderr]     |
[INFO] [stderr] 768 |         junction_id: ids::JunctionId,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/types.rs:222:9
[INFO] [stderr]     |
[INFO] [stderr] 222 |         pub(crate) fn new(value: usize) -> ChannelId {
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `id`
[INFO] [stderr]   --> src/channels.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub(crate) fn id(&self) -> ids::ChannelId {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `id`
[INFO] [stderr]    --> src/channels.rs:127:5
[INFO] [stderr]     |
[INFO] [stderr] 127 |     pub(crate) fn id(&self) -> ids::ChannelId {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `id`
[INFO] [stderr]    --> src/channels.rs:238:5
[INFO] [stderr]     |
[INFO] [stderr] 238 |     pub(crate) fn id(&self) -> ids::ChannelId {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `junction_id`
[INFO] [stderr]    --> src/patterns.rs:768:9
[INFO] [stderr]     |
[INFO] [stderr] 768 |         junction_id: ids::JunctionId,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/types.rs:222:9
[INFO] [stderr]     |
[INFO] [stderr] 222 |         pub(crate) fn new(value: usize) -> ChannelId {
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.41s
[INFO] running `"docker" "inspect" "58ea9c7bac5e6348065cdbe858fbaae31632e10901fb1138e1eff95883ead2dd"`
[INFO] running `"docker" "rm" "-f" "58ea9c7bac5e6348065cdbe858fbaae31632e10901fb1138e1eff95883ead2dd"`
[INFO] [stdout] 58ea9c7bac5e6348065cdbe858fbaae31632e10901fb1138e1eff95883ead2dd
