[INFO] fetching crate const-combinations 2.0.3...
[INFO] testing const-combinations-2.0.3 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate const-combinations 2.0.3 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate const-combinations 2.0.3 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate const-combinations 2.0.3
[INFO] finished tweaking crates.io crate const-combinations 2.0.3
[INFO] tweaked toml for crates.io crate const-combinations 2.0.3 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c0ab8f6fe2eea1691228d85df54460215538fd83b4205e6a5e709c3e6142ea38
[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" "c0ab8f6fe2eea1691228d85df54460215538fd83b4205e6a5e709c3e6142ea38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c0ab8f6fe2eea1691228d85df54460215538fd83b4205e6a5e709c3e6142ea38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0ab8f6fe2eea1691228d85df54460215538fd83b4205e6a5e709c3e6142ea38", kill_on_drop: false }`
[INFO] [stdout] c0ab8f6fe2eea1691228d85df54460215538fd83b4205e6a5e709c3e6142ea38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9754f0444cb826a82f92761741104dfc28a07f7f1b4be104e6b1944e36573f47
[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" "9754f0444cb826a82f92761741104dfc28a07f7f1b4be104e6b1944e36573f47", kill_on_drop: false }`
[INFO] [stderr]    Compiling const-combinations v2.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "9754f0444cb826a82f92761741104dfc28a07f7f1b4be104e6b1944e36573f47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9754f0444cb826a82f92761741104dfc28a07f7f1b4be104e6b1944e36573f47", kill_on_drop: false }`
[INFO] [stdout] 9754f0444cb826a82f92761741104dfc28a07f7f1b4be104e6b1944e36573f47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f4982cb8f72f7e7fb079d380f9e11bccfbba48b974a48c52aa7a2cb33cf21a9
[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" "8f4982cb8f72f7e7fb079d380f9e11bccfbba48b974a48c52aa7a2cb33cf21a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling const-combinations v2.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "8f4982cb8f72f7e7fb079d380f9e11bccfbba48b974a48c52aa7a2cb33cf21a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f4982cb8f72f7e7fb079d380f9e11bccfbba48b974a48c52aa7a2cb33cf21a9", kill_on_drop: false }`
[INFO] [stdout] 8f4982cb8f72f7e7fb079d380f9e11bccfbba48b974a48c52aa7a2cb33cf21a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ace1c6c6cb33d3396d5669c1eb5c2bf1acdbf7e7f8066cb20f0da82c3f22b2be
[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" "ace1c6c6cb33d3396d5669c1eb5c2bf1acdbf7e7f8066cb20f0da82c3f22b2be", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/const_combinations-118194fbf7426aa5)
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test combinations::slice_test::none_on_size_too_big ... ok
[INFO] [stdout] test combinations::slice_test::order ... ok
[INFO] [stdout] test combinations::test::none_on_size_too_big ... ok
[INFO] [stdout] test combinations::test::order ... ok
[INFO] [stdout] test combinations::test::resume_after_none ... ok
[INFO] [stdout] test permutations::slice_test::empty_arr_on_n_zero ... ok
[INFO] [stdout] test permutations::slice_test::none_on_size_too_big ... ok
[INFO] [stdout] test permutations::slice_test::order ... ok
[INFO] [stdout] test permutations::test::empty_arr_on_n_zero ... ok
[INFO] [stdout] test permutations::test::fused_propagation ... ok
[INFO] [stdout] test permutations::test::gen_order ... ok
[INFO] [stderr]    Doc-tests const-combinations
[INFO] [stdout] test permutations::test::none_on_size_too_big ... ok
[INFO] [stdout] test permutations::test::resume_after_none ... ok
[INFO] [stdout] test combinations::test::empty_arr_on_n_zero ... ok
[INFO] [stdout] test combinations::slice_test::empty_arr_on_n_zero ... ok
[INFO] [stdout] test permutations::test::order ... ok
[INFO] [stdout] test combinations::test::fused_propagation ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/lib.rs - SliceExt::permutations (line 165) ... ok
[INFO] [stdout] test src/lib.rs - SliceExt::combinations (line 132) ... ok
[INFO] [stdout] test src/lib.rs - IterExt::permutations (line 90) ... ok
[INFO] [stdout] test src/lib.rs - (line 5) ... ok
[INFO] [stdout] test src/lib.rs - IterExt::permutations (line 76) ... ok
[INFO] [stdout] test src/lib.rs - IterExt::combinations (line 51) ... ok
[INFO] [stdout] test src/lib.rs - SliceExt::combinations (line 119) ... ok
[INFO] [stdout] test src/lib.rs - SliceExt::permutations (line 151) ... ok
[INFO] [stdout] test src/lib.rs - IterExt::combinations (line 38) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.89s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ace1c6c6cb33d3396d5669c1eb5c2bf1acdbf7e7f8066cb20f0da82c3f22b2be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ace1c6c6cb33d3396d5669c1eb5c2bf1acdbf7e7f8066cb20f0da82c3f22b2be", kill_on_drop: false }`
[INFO] [stdout] ace1c6c6cb33d3396d5669c1eb5c2bf1acdbf7e7f8066cb20f0da82c3f22b2be