[INFO] crate sorted-iter 0.1.5 is already in cache
[INFO] testing sorted-iter-0.1.5 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate sorted-iter 0.1.5 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate sorted-iter 0.1.5 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sorted-iter 0.1.5
[INFO] finished tweaking crates.io crate sorted-iter 0.1.5
[INFO] tweaked toml for crates.io crate sorted-iter 0.1.5 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate sorted-iter 0.1.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 90b78bd9d9f7d301ee3b6386e7b8ab712b1b321a6707bb1f75b0cda60f43a4b1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "90b78bd9d9f7d301ee3b6386e7b8ab712b1b321a6707bb1f75b0cda60f43a4b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90b78bd9d9f7d301ee3b6386e7b8ab712b1b321a6707bb1f75b0cda60f43a4b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90b78bd9d9f7d301ee3b6386e7b8ab712b1b321a6707bb1f75b0cda60f43a4b1", kill_on_drop: false }`
[INFO] [stdout] 90b78bd9d9f7d301ee3b6386e7b8ab712b1b321a6707bb1f75b0cda60f43a4b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0824b565375cc6145614391693df4201f0ba441a5edeceb203c50acabb540481
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0824b565375cc6145614391693df4201f0ba441a5edeceb203c50acabb540481", kill_on_drop: false }`
[INFO] [stderr]    Compiling sorted-iter v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "0824b565375cc6145614391693df4201f0ba441a5edeceb203c50acabb540481", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0824b565375cc6145614391693df4201f0ba441a5edeceb203c50acabb540481", kill_on_drop: false }`
[INFO] [stdout] 0824b565375cc6145614391693df4201f0ba441a5edeceb203c50acabb540481
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ed1c361e8fa6ebc487e7f19fccbb4f990ec1b0de93d75e418ae00d95b3a5f00
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7ed1c361e8fa6ebc487e7f19fccbb4f990ec1b0de93d75e418ae00d95b3a5f00", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling quickcheck v0.9.0
[INFO] [stderr]    Compiling quickcheck_macros v0.8.0
[INFO] [stderr]    Compiling sorted-iter v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/sorted_iterator.rs:330:9
[INFO] [stdout]     |
[INFO] [stdout] 330 |         (0i64..10)
[INFO] [stdout]     |         ^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` 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 16.63s
[INFO] running `Command { std: "docker" "inspect" "7ed1c361e8fa6ebc487e7f19fccbb4f990ec1b0de93d75e418ae00d95b3a5f00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ed1c361e8fa6ebc487e7f19fccbb4f990ec1b0de93d75e418ae00d95b3a5f00", kill_on_drop: false }`
[INFO] [stdout] 7ed1c361e8fa6ebc487e7f19fccbb4f990ec1b0de93d75e418ae00d95b3a5f00
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e22024176a0618948ed654b9bc96681c6d1f33172bd14d555b374a08bc6fba6b
[INFO] running `Command { std: "docker" "start" "-a" "e22024176a0618948ed654b9bc96681c6d1f33172bd14d555b374a08bc6fba6b", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/sorted_iterator.rs:330:9
[INFO] [stderr]     |
[INFO] [stderr] 330 |         (0i64..10)
[INFO] [stderr]     |         ^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/sorted_iter-1e963e24737e4365
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test sorted_iterator::tests::instances ... ok
[INFO] [stdout] test sorted_pair_iterator::tests::instances ... ok
[INFO] [stdout] test sorted_iterator::tests::intersection ... ok
[INFO] [stdout] test sorted_iterator::tests::union ... ok
[INFO] [stdout] test sorted_pair_iterator::tests::join ... ok
[INFO] [stdout] test sorted_pair_iterator::tests::filter_map_values ... ok
[INFO] [stdout] test sorted_pair_iterator::tests::left_join ... ok
[INFO] [stdout] test sorted_pair_iterator::tests::right_join ... ok
[INFO] [stdout] test sorted_pair_iterator::tests::map_values ... ok
[INFO] [stdout] test sorted_iterator::tests::difference ... ok
[INFO] [stdout] test sorted_iterator::tests::symmetric_difference ... ok
[INFO] [stdout] test sorted_pair_iterator::tests::outer_join ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sorted-iter
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - (line 45) ... ok
[INFO] [stdout] test src/lib.rs - (line 35) ... ok
[INFO] [stdout] test src/lib.rs - (line 95) ... ok
[INFO] [stdout] test src/lib.rs - (line 62) ... ok
[INFO] [stdout] test src/lib.rs - (line 80) ... ok
[INFO] [stdout] test src/lib.rs - (line 20) ... ok
[INFO] [stdout] test src/lib.rs - (line 5) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e22024176a0618948ed654b9bc96681c6d1f33172bd14d555b374a08bc6fba6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e22024176a0618948ed654b9bc96681c6d1f33172bd14d555b374a08bc6fba6b", kill_on_drop: false }`
[INFO] [stdout] e22024176a0618948ed654b9bc96681c6d1f33172bd14d555b374a08bc6fba6b