[INFO] crate xfast 0.1.0 is already in cache
[INFO] testing xfast-0.1.0 against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] extracting crate xfast 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate xfast 0.1.0 on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate xfast 0.1.0
[INFO] finished tweaking crates.io crate xfast 0.1.0
[INFO] tweaked toml for crates.io crate xfast 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "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" "+41997647ba6a77908f6ef64401414feb00bccf16" "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] 6e3116c53b81942c55dd962cff37d93158bb2e7674303b3908383a1d27f41c4b
[INFO] running `"docker" "start" "-a" "6e3116c53b81942c55dd962cff37d93158bb2e7674303b3908383a1d27f41c4b"`
[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 0.46s
[INFO] running `"docker" "inspect" "6e3116c53b81942c55dd962cff37d93158bb2e7674303b3908383a1d27f41c4b"`
[INFO] running `"docker" "rm" "-f" "6e3116c53b81942c55dd962cff37d93158bb2e7674303b3908383a1d27f41c4b"`
[INFO] [stdout] 6e3116c53b81942c55dd962cff37d93158bb2e7674303b3908383a1d27f41c4b
[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" "+41997647ba6a77908f6ef64401414feb00bccf16" "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] f5cf8245cfc76cde6998fa462d4371ac7c922249d83ae856e90233c7a56e8291
[INFO] running `"docker" "start" "-a" "f5cf8245cfc76cde6998fa462d4371ac7c922249d83ae856e90233c7a56e8291"`
[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]    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 test [unoptimized + debuginfo] target(s) in 1.45s
[INFO] running `"docker" "inspect" "f5cf8245cfc76cde6998fa462d4371ac7c922249d83ae856e90233c7a56e8291"`
[INFO] running `"docker" "rm" "-f" "f5cf8245cfc76cde6998fa462d4371ac7c922249d83ae856e90233c7a56e8291"`
[INFO] [stdout] f5cf8245cfc76cde6998fa462d4371ac7c922249d83ae856e90233c7a56e8291
[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" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"`
[INFO] [stdout] 6730be109677581614fb3b7bffdb9e357161d6f6d2be01bc8bff75a064bab4fd
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "6730be109677581614fb3b7bffdb9e357161d6f6d2be01bc8bff75a064bab4fd"`
[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 0.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/xfast-b5d206962e4cd6df
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test test::none_predecessor ... ok
[INFO] [stdout] test test::deleting_non_existent ... ok
[INFO] [stdout] test test::delete_node ... ok
[INFO] [stdout] test test::predecessor ... ok
[INFO] [stdout] test test::predecessor_after_del ... ok
[INFO] [stdout] test test::find_key_present ... ok
[INFO] [stdout] test test::find_key_not_present ... ok
[INFO] [stdout] test test::none_successor ... ok
[INFO] [stdout] test test::successor ... ok
[INFO] [stdout] test test::successor_after_del ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests xfast
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test src/lib.rs - Xfast<T>::iter (line 601) ... ok
[INFO] [stdout] test src/lib.rs - Xfast<T>::insert_key (line 423) ... 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>::iter_mut (line 629) ... ok
[INFO] [stdout] test src/lib.rs - Xfast<T>::find_predecessor (line 274) ... ok
[INFO] [stdout] test src/lib.rs - Xfast<T>::find_key (line 582) ... ok
[INFO] [stdout] test src/lib.rs - Xfast<T>::find_successor (line 213) ... ok
[INFO] [stdout] test src/lib.rs - Xfast<T>::new (line 135) ... ok
[INFO] [stdout] test src/lib.rs - Xfast<T>::len (line 172) ... 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" "6730be109677581614fb3b7bffdb9e357161d6f6d2be01bc8bff75a064bab4fd"`
[INFO] running `"docker" "rm" "-f" "6730be109677581614fb3b7bffdb9e357161d6f6d2be01bc8bff75a064bab4fd"`
[INFO] [stdout] 6730be109677581614fb3b7bffdb9e357161d6f6d2be01bc8bff75a064bab4fd