[INFO] fetching crate subway 0.1.2...
[INFO] testing subway-0.1.2 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate subway 0.1.2 into /workspace/builds/worker-63/source
[INFO] validating manifest of crates.io crate subway 0.1.2 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 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-63/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 005ae2cc472d838772945643b63c541ebb10a3ed55938cb77678200826abd008
[INFO] running `Command { std: "docker" "start" "-a" "005ae2cc472d838772945643b63c541ebb10a3ed55938cb77678200826abd008", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "005ae2cc472d838772945643b63c541ebb10a3ed55938cb77678200826abd008", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "005ae2cc472d838772945643b63c541ebb10a3ed55938cb77678200826abd008", kill_on_drop: false }`
[INFO] [stdout] 005ae2cc472d838772945643b63c541ebb10a3ed55938cb77678200826abd008
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7a1951b2bfd9887cd25ab344b041be19a67dfd359dd28104e04f6d9e6bc4ea5
[INFO] running `Command { std: "docker" "start" "-a" "d7a1951b2bfd9887cd25ab344b041be19a67dfd359dd28104e04f6d9e6bc4ea5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.108
[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: associated function is never used: `print`
[INFO] [stdout]    --> src/skiplist.rs:574:8
[INFO] [stdout]     |
[INFO] [stdout] 574 |     fn print(&self) {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.55s
[INFO] running `Command { std: "docker" "inspect" "d7a1951b2bfd9887cd25ab344b041be19a67dfd359dd28104e04f6d9e6bc4ea5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7a1951b2bfd9887cd25ab344b041be19a67dfd359dd28104e04f6d9e6bc4ea5", kill_on_drop: false }`
[INFO] [stdout] d7a1951b2bfd9887cd25ab344b041be19a67dfd359dd28104e04f6d9e6bc4ea5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 45fb8e8d70246e3489201eb9cfcd5d9797ce592b8e97eebc793f7d3792684686
[INFO] running `Command { std: "docker" "start" "-a" "45fb8e8d70246e3489201eb9cfcd5d9797ce592b8e97eebc793f7d3792684686", kill_on_drop: false }`
[INFO] [stderr]    Compiling subway v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `print`
[INFO] [stdout]    --> src/skiplist.rs:574:8
[INFO] [stdout]     |
[INFO] [stdout] 574 |     fn print(&self) {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `print`
[INFO] [stdout]    --> src/skiplist.rs:574:8
[INFO] [stdout]     |
[INFO] [stdout] 574 |     fn print(&self) {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.24s
[INFO] running `Command { std: "docker" "inspect" "45fb8e8d70246e3489201eb9cfcd5d9797ce592b8e97eebc793f7d3792684686", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45fb8e8d70246e3489201eb9cfcd5d9797ce592b8e97eebc793f7d3792684686", kill_on_drop: false }`
[INFO] [stdout] 45fb8e8d70246e3489201eb9cfcd5d9797ce592b8e97eebc793f7d3792684686
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0cc7b64581c496fc4d83f6326dd4943bff88c88123458853423e85c30c37b960
[INFO] running `Command { std: "docker" "start" "-a" "0cc7b64581c496fc4d83f6326dd4943bff88c88123458853423e85c30c37b960", kill_on_drop: false }`
[INFO] [stderr] warning: associated function is never used: `print`
[INFO] [stderr]    --> src/skiplist.rs:574:8
[INFO] [stderr]     |
[INFO] [stderr] 574 |     fn print(&self) {
[INFO] [stderr]     |        ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` 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 [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/subway-532fd98c5a1952f9)
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test skiplist::tests::test_bisect_after ... ok
[INFO] [stdout] test skiplist::tests::test_bisect_after_when_insertion_point_is_at_end ... ok
[INFO] [stdout] test skiplist::tests::test_bisect_after_when_node_does_not_exist ... ok
[INFO] [stdout] test skiplist::tests::test_bisect_after_larger_node ... ok
[INFO] [stdout] test skiplist::tests::test_bisect_after_with_last_node ... ok
[INFO] [stdout] test skiplist::tests::test_bisect_when_key_does_not_exist ... ok
[INFO] [stdout] test skiplist::tests::test_bisect_when_key_exists ... ok
[INFO] [stdout] test skiplist::tests::test_delete_from_level ... ok
[INFO] [stdout] test skiplist::tests::test_level ... ok
[INFO] [stdout] test skiplist::tests::test_level_insert ... ok
[INFO] [stdout] test skiplist::tests::test_level_insert_after_tail ... ok
[INFO] [stdout] test skiplist::tests::test_level_insert_after ... 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 ... ok
[INFO] [stdout] test skiplist::tests::test_skiplist_get ... ok
[INFO] [stdout] test tests::test_skiplist ... ok
[INFO] [stdout] test tests::test_operations ... ok
[INFO] [stdout] test skiplist::tests::test_skiplist_sorted ... ok
[INFO] [stdout] test skiplist::tests::test_skiplist_delete ... ok
[INFO] [stdout] test tests::test_bisect ... ok
[INFO] [stdout] test skiplist::tests::test_skiplist_insert ... 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] [stderr]    Doc-tests subway
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/skiplist.rs - skiplist::SkipList<K,V>::new (line 274) ... ok
[INFO] [stdout] test src/skiplist.rs - skiplist::SkipList<K,V>::is_empty (line 492) ... ok
[INFO] [stdout] test src/skiplist.rs - skiplist::SkipList<K,V>::insert (line 292) ... ok
[INFO] [stdout] test src/skiplist.rs - skiplist::SkipList<K,V>::delete (line 384) ... ok
[INFO] [stdout] test src/skiplist.rs - skiplist::SkipList<K,V>::len (line 476) ... ok
[INFO] [stdout] test src/skiplist.rs - skiplist::SkipList<K,V>::get (line 347) ... ok
[INFO] [stdout] test src/skiplist.rs - skiplist::SkipList<K,V>::bisect (line 411) ... ok
[INFO] [stdout] test src/skiplist.rs - skiplist::SkipList<K,V>::collect (line 450) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.61s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0cc7b64581c496fc4d83f6326dd4943bff88c88123458853423e85c30c37b960", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cc7b64581c496fc4d83f6326dd4943bff88c88123458853423e85c30c37b960", kill_on_drop: false }`
[INFO] [stdout] 0cc7b64581c496fc4d83f6326dd4943bff88c88123458853423e85c30c37b960