[INFO] fetching crate index-set 0.1.0...
[INFO] testing index-set-0.1.0 against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] extracting crate index-set 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate index-set 0.1.0 on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate index-set 0.1.0
[INFO] finished tweaking crates.io crate index-set 0.1.0
[INFO] tweaked toml for crates.io crate index-set 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 72e0e343675e3d70aa971647aa6290f4a43ccd58a9b16a1070bfabbafd01077a
[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" "72e0e343675e3d70aa971647aa6290f4a43ccd58a9b16a1070bfabbafd01077a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "72e0e343675e3d70aa971647aa6290f4a43ccd58a9b16a1070bfabbafd01077a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72e0e343675e3d70aa971647aa6290f4a43ccd58a9b16a1070bfabbafd01077a", kill_on_drop: false }`
[INFO] [stdout] 72e0e343675e3d70aa971647aa6290f4a43ccd58a9b16a1070bfabbafd01077a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", 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] 243f323281e591d122e6f61be2b9105080be44f3d21e8aa3dc62763c5ac0d60f
[INFO] running `Command { std: "docker" "start" "-a" "243f323281e591d122e6f61be2b9105080be44f3d21e8aa3dc62763c5ac0d60f", kill_on_drop: false }`
[INFO] [stderr]    Compiling index-set v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "243f323281e591d122e6f61be2b9105080be44f3d21e8aa3dc62763c5ac0d60f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "243f323281e591d122e6f61be2b9105080be44f3d21e8aa3dc62763c5ac0d60f", kill_on_drop: false }`
[INFO] [stdout] 243f323281e591d122e6f61be2b9105080be44f3d21e8aa3dc62763c5ac0d60f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 891cbc6c6367a0b6513b5bf16e20530fef73e35166d15eabbfac881b3a0f5681
[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" "891cbc6c6367a0b6513b5bf16e20530fef73e35166d15eabbfac881b3a0f5681", kill_on_drop: false }`
[INFO] [stderr]    Compiling index-set v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `Command { std: "docker" "inspect" "891cbc6c6367a0b6513b5bf16e20530fef73e35166d15eabbfac881b3a0f5681", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "891cbc6c6367a0b6513b5bf16e20530fef73e35166d15eabbfac881b3a0f5681", kill_on_drop: false }`
[INFO] [stdout] 891cbc6c6367a0b6513b5bf16e20530fef73e35166d15eabbfac881b3a0f5681
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4eb42abda31fc04f2f89f077e26d82eecb296e9f9f67e2b74749f49ba77f5ad4
[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" "4eb42abda31fc04f2f89f077e26d82eecb296e9f9f67e2b74749f49ba77f5ad4", 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 unittests (/opt/rustwide/target/debug/deps/index_set-c0b55f192c7d1120)
[INFO] [stdout] test bucket::tests::iter_len ... ok
[INFO] [stdout] test bucket::tests::double_ended_iter ... ok
[INFO] [stdout] test bucket::tests::iter ... ok
[INFO] [stdout] test set::tests::iter ... ok
[INFO] [stdout] test set::tests::contains_after_insert ... ok
[INFO] [stderr]    Doc-tests index-set
[INFO] [stdout] test set::tests::invalid_char ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 36 tests
[INFO] [stdout] test src/set.rs - set::IndexSet<T>::difference_indices (line 432) ... ok
[INFO] [stdout] test src/set.rs - set::IndexSet<T>::new (line 156) ... ok
[INFO] [stdout] test src/set.rs - set::IndexSet<T>::len (line 370) ... ok
[INFO] [stdout] test src/set.rs - set::IndexSet<T>::remove_index (line 340) ... ok
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name index_set --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern index_set=/opt/rustwide/target/debug/deps/libindex_set-b5aaa9f856a1e173.rlib -C embed-bitcode=no --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "4eb42abda31fc04f2f89f077e26d82eecb296e9f9f67e2b74749f49ba77f5ad4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4eb42abda31fc04f2f89f077e26d82eecb296e9f9f67e2b74749f49ba77f5ad4", kill_on_drop: false }`
[INFO] [stdout] 4eb42abda31fc04f2f89f077e26d82eecb296e9f9f67e2b74749f49ba77f5ad4