[INFO] updating cached repository https://github.com/aakp10/xfast
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 30ae389b770f9fec389b771c26347e463a7cf804
[INFO] testing aakp10/xfast against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faakp10%2Fxfast" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aakp10/xfast on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/aakp10/xfast
[INFO] finished tweaking git repo https://github.com/aakp10/xfast
[INFO] tweaked toml for git repo https://github.com/aakp10/xfast written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/aakp10/xfast already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 941975077b5173faada158f64a1c96524748747856e01889355003b3a742abbe
[INFO] running `"docker" "start" "-a" "941975077b5173faada158f64a1c96524748747856e01889355003b3a742abbe"`
[INFO] [stderr]    Compiling xfast v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: the feature `map_get_key_value` has been stable since 1.40.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 | #![feature(map_get_key_value)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `"docker" "inspect" "941975077b5173faada158f64a1c96524748747856e01889355003b3a742abbe"`
[INFO] running `"docker" "rm" "-f" "941975077b5173faada158f64a1c96524748747856e01889355003b3a742abbe"`
[INFO] [stdout] 941975077b5173faada158f64a1c96524748747856e01889355003b3a742abbe
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4a0522903454959eb60fcce2be1239c92d18803fc288bb4550ddff02a7762db0
[INFO] running `"docker" "start" "-a" "4a0522903454959eb60fcce2be1239c92d18803fc288bb4550ddff02a7762db0"`
[INFO] [stderr]    Compiling xfast v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: the feature `map_get_key_value` has been stable since 1.40.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 | #![feature(map_get_key_value)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `map_get_key_value` has been stable since 1.40.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 | #![feature(map_get_key_value)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.50s
[INFO] running `"docker" "inspect" "4a0522903454959eb60fcce2be1239c92d18803fc288bb4550ddff02a7762db0"`
[INFO] running `"docker" "rm" "-f" "4a0522903454959eb60fcce2be1239c92d18803fc288bb4550ddff02a7762db0"`
[INFO] [stdout] 4a0522903454959eb60fcce2be1239c92d18803fc288bb4550ddff02a7762db0
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 27ddc9c03514ec2225fa6f39314cbcef248cb836965db0864cd64baba2306701
[INFO] running `"docker" "start" "-a" "27ddc9c03514ec2225fa6f39314cbcef248cb836965db0864cd64baba2306701"`
[INFO] [stderr] warning: the feature `map_get_key_value` has been stable since 1.40.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 | #![feature(map_get_key_value)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `map_get_key_value` has been stable since 1.40.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 | #![feature(map_get_key_value)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/xfast-b5d206962e4cd6df
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test test::deleting_non_existent ... ok
[INFO] [stdout] test test::find_key_not_present ... ok
[INFO] [stdout] test test::none_successor ... ok
[INFO] [stdout] test test::predecessor ... ok
[INFO] [stdout] test test::predecessor_after_del ... ok
[INFO] [stdout] test test::successor_after_del ... ok
[INFO] [stdout] test test::none_predecessor ... ok
[INFO] [stdout] test test::delete_node ... ok
[INFO] [stdout] test test::successor ... ok
[INFO] [stdout] test test::find_key_present ... ok
[INFO] [stderr]    Doc-tests xfast
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test src/lib.rs - Xfast<T>::find_key (line 582) ... ok
[INFO] [stdout] test src/lib.rs - Xfast<T>::insert_key (line 423) ... ok
[INFO] [stdout] test src/lib.rs - Xfast<T>::iter (line 601) ... ok
[INFO] [stdout] test src/lib.rs - Xfast<T>::find_successor (line 213) ... ok
[INFO] [stdout] test src/lib.rs - Xfast<T>::find_predecessor (line 274) ... ok
[INFO] [stdout] test src/lib.rs - Xfast<T>::iter_mut (line 629) ... ok
[INFO] [stdout] test src/lib.rs - Xfast (line 110) ... ok
[INFO] [stdout] test src/lib.rs - Xfast<T>::delete_key (line 522) ... ok
[INFO] [stdout] test src/lib.rs - Xfast<T>::len (line 172) ... ok
[INFO] [stdout] test src/lib.rs - Xfast<T>::new (line 135) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "27ddc9c03514ec2225fa6f39314cbcef248cb836965db0864cd64baba2306701"`
[INFO] running `"docker" "rm" "-f" "27ddc9c03514ec2225fa6f39314cbcef248cb836965db0864cd64baba2306701"`
[INFO] [stdout] 27ddc9c03514ec2225fa6f39314cbcef248cb836965db0864cd64baba2306701