[INFO] fetching crate iter-set 2.0.1...
[INFO] testing iter-set-2.0.1 against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] extracting crate iter-set 2.0.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate iter-set 2.0.1 on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate iter-set 2.0.1
[INFO] finished tweaking crates.io crate iter-set 2.0.1
[INFO] tweaked toml for crates.io crate iter-set 2.0.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7170a6f8c2efd9db577f63d6b7b3716edb963cd8e70ab88fba8662927b2bb702
[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" "7170a6f8c2efd9db577f63d6b7b3716edb963cd8e70ab88fba8662927b2bb702", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7170a6f8c2efd9db577f63d6b7b3716edb963cd8e70ab88fba8662927b2bb702", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7170a6f8c2efd9db577f63d6b7b3716edb963cd8e70ab88fba8662927b2bb702", kill_on_drop: false }`
[INFO] [stdout] 7170a6f8c2efd9db577f63d6b7b3716edb963cd8e70ab88fba8662927b2bb702
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38ecb07b75352774790816fcb36210a023df363c212785b3ddbc15fae897965f
[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" "38ecb07b75352774790816fcb36210a023df363c212785b3ddbc15fae897965f", kill_on_drop: false }`
[INFO] [stderr]    Compiling iter-set v2.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "38ecb07b75352774790816fcb36210a023df363c212785b3ddbc15fae897965f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38ecb07b75352774790816fcb36210a023df363c212785b3ddbc15fae897965f", kill_on_drop: false }`
[INFO] [stdout] 38ecb07b75352774790816fcb36210a023df363c212785b3ddbc15fae897965f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c79c8a200c6b76acb040c5be746f7475ada8ad6c12ec81b8a9b618e4fa66ec24
[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" "c79c8a200c6b76acb040c5be746f7475ada8ad6c12ec81b8a9b618e4fa66ec24", kill_on_drop: false }`
[INFO] [stderr]    Compiling iter-set v2.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "c79c8a200c6b76acb040c5be746f7475ada8ad6c12ec81b8a9b618e4fa66ec24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c79c8a200c6b76acb040c5be746f7475ada8ad6c12ec81b8a9b618e4fa66ec24", kill_on_drop: false }`
[INFO] [stdout] c79c8a200c6b76acb040c5be746f7475ada8ad6c12ec81b8a9b618e4fa66ec24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "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] 751cfe40f51db7b4ac0e6998c8ba6725cdcf9a9589de48a03495656a5c0f8aae
[INFO] running `Command { std: "docker" "start" "-a" "751cfe40f51db7b4ac0e6998c8ba6725cdcf9a9589de48a03495656a5c0f8aae", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 6 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/iter_set-4d1936c3162a95a9
[INFO] [stdout] test tests::test_combine ... ok
[INFO] [stdout] test tests::test_cmp ... ok
[INFO] [stdout] test tests::test_difference ... ok
[INFO] [stdout] test tests::test_intersection ... ok
[INFO] [stdout] test tests::test_union ... ok
[INFO] [stdout] test tests::test_symmetric_difference ... ok
[INFO] [stderr]    Doc-tests iter-set
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test src/lib.rs - union_by_key (line 205) ... ok
[INFO] [stdout] test src/lib.rs - intersection_by (line 261) ... ok
[INFO] [stdout] test src/lib.rs - cmp_by (line 90) ... ok
[INFO] [stdout] test src/lib.rs - classify (line 423) ... ok
[INFO] [stdout] test src/lib.rs - intersection (line 232) ... ok
[INFO] [stdout] test src/lib.rs - cmp (line 31) ... ok
[INFO] [stdout] test src/lib.rs - union (line 132) ... ok
[INFO] [stdout] test src/lib.rs - symmetric_difference (line 374) ... ok
[INFO] [stdout] test src/lib.rs - difference (line 324) ... ok
[INFO] [stdout] test src/lib.rs - cmp_by_key (line 59) ... ok
[INFO] [stdout] test src/lib.rs - intersection_by_key (line 299) ... ok
[INFO] [stdout] test src/lib.rs - union_by (line 161) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "751cfe40f51db7b4ac0e6998c8ba6725cdcf9a9589de48a03495656a5c0f8aae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "751cfe40f51db7b4ac0e6998c8ba6725cdcf9a9589de48a03495656a5c0f8aae", kill_on_drop: false }`
[INFO] [stdout] 751cfe40f51db7b4ac0e6998c8ba6725cdcf9a9589de48a03495656a5c0f8aae