[INFO] fetching crate subway 0.1.2... [INFO] testing subway-0.1.2 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1 [INFO] extracting crate subway 0.1.2 into /workspace/builds/worker-3-tc1/source [INFO] started tweaking crates.io crate subway 0.1.2 [INFO] finished tweaking crates.io crate subway 0.1.2 [INFO] tweaked toml for crates.io crate subway 0.1.2 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate subway 0.1.2 on toolchain caccb4d0368bd918ef6668af8e13834d07040417 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 10 packages to latest compatible versions [INFO] [stderr] Adding rand v0.5.6 (available: v0.9.2) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rand v0.5.6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] effd4e93a06f303c2e9c32eae1c1671e9667d1bbc2432cafda3d751cba8859a3 [INFO] running `Command { std: "docker" "start" "-a" "effd4e93a06f303c2e9c32eae1c1671e9667d1bbc2432cafda3d751cba8859a3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "effd4e93a06f303c2e9c32eae1c1671e9667d1bbc2432cafda3d751cba8859a3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "effd4e93a06f303c2e9c32eae1c1671e9667d1bbc2432cafda3d751cba8859a3", kill_on_drop: false }` [INFO] [stdout] effd4e93a06f303c2e9c32eae1c1671e9667d1bbc2432cafda3d751cba8859a3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c0705df4b7bf666fb2828c7813ecbe6567eee56d3c1cfb1d2834e466fd13090b [INFO] running `Command { std: "docker" "start" "-a" "c0705df4b7bf666fb2828c7813ecbe6567eee56d3c1cfb1d2834e466fd13090b", kill_on_drop: false }` [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand v0.5.6 [INFO] [stderr] Compiling subway v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: method `print` is never used [INFO] [stdout] --> src/skiplist.rs:574:8 [INFO] [stdout] | [INFO] [stdout] 266 | / impl SkipList [INFO] [stdout] 267 | | where [INFO] [stdout] 268 | | K: Ord + Clone + Display, [INFO] [stdout] 269 | | V: Clone, [INFO] [stdout] | |_____________- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 574 | fn print(&self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.59s [INFO] running `Command { std: "docker" "inspect" "c0705df4b7bf666fb2828c7813ecbe6567eee56d3c1cfb1d2834e466fd13090b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c0705df4b7bf666fb2828c7813ecbe6567eee56d3c1cfb1d2834e466fd13090b", kill_on_drop: false }` [INFO] [stdout] c0705df4b7bf666fb2828c7813ecbe6567eee56d3c1cfb1d2834e466fd13090b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6ca23ed703194243a7bace8bdf3ae1c28b9405fc5ba13a30b2adf1b976e4b673 [INFO] running `Command { std: "docker" "start" "-a" "6ca23ed703194243a7bace8bdf3ae1c28b9405fc5ba13a30b2adf1b976e4b673", kill_on_drop: false }` [INFO] [stderr] Compiling subway v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: method `print` is never used [INFO] [stdout] --> src/skiplist.rs:574:8 [INFO] [stdout] | [INFO] [stdout] 266 | / impl SkipList [INFO] [stdout] 267 | | where [INFO] [stdout] 268 | | K: Ord + Clone + Display, [INFO] [stdout] 269 | | V: Clone, [INFO] [stdout] | |_____________- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 574 | fn print(&self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `print` is never used [INFO] [stdout] --> src/skiplist.rs:574:8 [INFO] [stdout] | [INFO] [stdout] 266 | / impl SkipList [INFO] [stdout] 267 | | where [INFO] [stdout] 268 | | K: Ord + Clone + Display, [INFO] [stdout] 269 | | V: Clone, [INFO] [stdout] | |_____________- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 574 | fn print(&self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.99s [INFO] running `Command { std: "docker" "inspect" "6ca23ed703194243a7bace8bdf3ae1c28b9405fc5ba13a30b2adf1b976e4b673", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6ca23ed703194243a7bace8bdf3ae1c28b9405fc5ba13a30b2adf1b976e4b673", kill_on_drop: false }` [INFO] [stdout] 6ca23ed703194243a7bace8bdf3ae1c28b9405fc5ba13a30b2adf1b976e4b673 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] fa2ecb64916f98c891fa0e6d0e39f3daee619e60f9e7a33a2724d26a670952d3 [INFO] running `Command { std: "docker" "start" "-a" "fa2ecb64916f98c891fa0e6d0e39f3daee619e60f9e7a33a2724d26a670952d3", kill_on_drop: false }` [INFO] [stderr] warning: method `print` is never used [INFO] [stdout] [INFO] [stderr] --> src/skiplist.rs:574:8 [INFO] [stdout] running 22 tests [INFO] [stderr] | [INFO] [stderr] 266 | / impl SkipList [INFO] [stderr] 267 | | where [INFO] [stderr] 268 | | K: Ord + Clone + Display, [INFO] [stderr] 269 | | V: Clone, [INFO] [stderr] | |_____________- method in this implementation [INFO] [stderr] ... [INFO] [stderr] 574 | fn print(&self) { [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `subway` (lib) generated 1 warning [INFO] [stderr] warning: `subway` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/subway-de63521e0af6afd6) [INFO] [stdout] test skiplist::tests::test_bisect_after ... ok [INFO] [stdout] test skiplist::tests::test_bisect_after_larger_node ... ok [INFO] [stdout] test skiplist::tests::test_bisect_when_key_does_not_exist ... ok [INFO] [stdout] test skiplist::tests::test_bisect_after_when_insertion_point_is_at_end ... ok [INFO] [stdout] test skiplist::tests::test_bisect_when_key_exists ... ok [INFO] [stdout] test skiplist::tests::test_level_insert_after_tail ... ok [INFO] [stdout] test skiplist::tests::test_delete_from_level ... ok [INFO] [stdout] test skiplist::tests::test_level_is_sorted ... ok [INFO] [stdout] test skiplist::tests::test_node ... ok [INFO] [stdout] test skiplist::tests::test_skiplist_delete ... ok [INFO] [stdout] test skiplist::tests::test_skiplist_get ... ok [INFO] [stderr] Doc-tests subway [INFO] [stdout] test skiplist::tests::test_skiplist_insert ... ok [INFO] [stdout] test skiplist::tests::test_skiplist_sorted ... ok [INFO] [stdout] test skiplist::tests::test_bisect_after_when_node_does_not_exist ... ok [INFO] [stdout] test skiplist::tests::test_bisect_after_with_last_node ... ok [INFO] [stdout] test skiplist::tests::test_level_insert ... ok [INFO] [stdout] test skiplist::tests::test_level_insert_after ... ok [INFO] [stdout] test skiplist::tests::test_skiplist ... ok [INFO] [stdout] test skiplist::tests::test_level ... ok [INFO] [stdout] test tests::test_skiplist ... ok [INFO] [stdout] test tests::test_bisect ... ok [INFO] [stdout] test tests::test_operations ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 8 tests [INFO] [stdout] test src/skiplist.rs - skiplist::SkipList::bisect (line 411) ... ok [INFO] [stdout] test src/skiplist.rs - skiplist::SkipList::is_empty (line 492) ... ok [INFO] [stdout] test src/skiplist.rs - skiplist::SkipList::insert (line 292) ... ok [INFO] [stdout] test src/skiplist.rs - skiplist::SkipList::new (line 274) ... ok [INFO] [stdout] test src/skiplist.rs - skiplist::SkipList::len (line 476) ... ok [INFO] [stdout] test src/skiplist.rs - skiplist::SkipList::collect (line 450) ... ok [INFO] [stdout] test src/skiplist.rs - skiplist::SkipList::get (line 347) ... ok [INFO] [stdout] test src/skiplist.rs - skiplist::SkipList::delete (line 384) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.25s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "fa2ecb64916f98c891fa0e6d0e39f3daee619e60f9e7a33a2724d26a670952d3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fa2ecb64916f98c891fa0e6d0e39f3daee619e60f9e7a33a2724d26a670952d3", kill_on_drop: false }` [INFO] [stdout] fa2ecb64916f98c891fa0e6d0e39f3daee619e60f9e7a33a2724d26a670952d3