[INFO] fetching crate combinatorial 0.2.1...
[INFO] testing combinatorial-0.2.1 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate combinatorial 0.2.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate combinatorial 0.2.1
[INFO] finished tweaking crates.io crate combinatorial 0.2.1
[INFO] tweaked toml for crates.io crate combinatorial 0.2.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate combinatorial 0.2.1 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d3f1639202f6e17877e1fa92ba7679b600258ed7305e5dfccc3ceab487e69cf
[INFO] running `Command { std: "docker" "start" "-a" "0d3f1639202f6e17877e1fa92ba7679b600258ed7305e5dfccc3ceab487e69cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d3f1639202f6e17877e1fa92ba7679b600258ed7305e5dfccc3ceab487e69cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d3f1639202f6e17877e1fa92ba7679b600258ed7305e5dfccc3ceab487e69cf", kill_on_drop: false }`
[INFO] [stdout] 0d3f1639202f6e17877e1fa92ba7679b600258ed7305e5dfccc3ceab487e69cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e011f6a42e918e3b401928a2bf3ca3d89e154f17b45a2c647fce44d19635e9b
[INFO] running `Command { std: "docker" "start" "-a" "5e011f6a42e918e3b401928a2bf3ca3d89e154f17b45a2c647fce44d19635e9b", kill_on_drop: false }`
[INFO] [stderr]    Compiling combinatorial v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "5e011f6a42e918e3b401928a2bf3ca3d89e154f17b45a2c647fce44d19635e9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e011f6a42e918e3b401928a2bf3ca3d89e154f17b45a2c647fce44d19635e9b", kill_on_drop: false }`
[INFO] [stdout] 5e011f6a42e918e3b401928a2bf3ca3d89e154f17b45a2c647fce44d19635e9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a74a0763f02a8778082278c9664eaa4da1c795fc4cf9e43160b732b2fe47d56
[INFO] running `Command { std: "docker" "start" "-a" "3a74a0763f02a8778082278c9664eaa4da1c795fc4cf9e43160b732b2fe47d56", kill_on_drop: false }`
[INFO] [stderr]    Compiling combinatorial v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.84s
[INFO] running `Command { std: "docker" "inspect" "3a74a0763f02a8778082278c9664eaa4da1c795fc4cf9e43160b732b2fe47d56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a74a0763f02a8778082278c9664eaa4da1c795fc4cf9e43160b732b2fe47d56", kill_on_drop: false }`
[INFO] [stdout] 3a74a0763f02a8778082278c9664eaa4da1c795fc4cf9e43160b732b2fe47d56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3a158047c83c612abf5b5d65afd2535ae817060b071a14eb031b96a22c436a5f
[INFO] running `Command { std: "docker" "start" "-a" "3a158047c83c612abf5b5d65afd2535ae817060b071a14eb031b96a22c436a5f", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/combinatorial-437b7ac238212c49)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test combinations::tests::test_combinations_iterable_to_sorted_set ... ok
[INFO] [stdout] test combinations::tests::test_combinations_get_current_combination ... ok
[INFO] [stdout] test combinations::tests::test_combinations_all ... ok
[INFO] [stdout] test combinations::tests::test_combinations_move_to_next_position ... ok
[INFO] [stdout] test combinations::tests::test_combinations_of_size ... ok
[INFO] [stdout] test combinations::tests::test_combinations_w_rep_get_current_combination ... ok
[INFO] [stdout] test combinations::tests::test_combinations_w_rep_all ... ok
[INFO] [stdout] test combinations::tests::test_combinations_w_rep_move_to_next_position ... ok
[INFO] [stdout] test combinations::tests::test_combinations_w_rep_of_size ... ok
[INFO] [stdout] test tests::test_combinations_next ... ok
[INFO] [stdout] test tests::test_combinations_w_rep_next ... ok
[INFO] [stdout] test combinations::tests::test_combinations_w_rep_move_to_next_set_size ... ok
[INFO] [stdout] test combinations::tests::test_combinations_move_to_next_set_size ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests combinatorial
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/lib.rs - factorial (line 34) ... ok
[INFO] [stdout] test src/combinations.rs - combinations::CombinationsWithReplacement<T>::of_size (line 235) ... ok
[INFO] [stdout] test src/combinations.rs - combinations::Combinations (line 7) ... ok
[INFO] [stdout] test src/lib.rs - triangle_number (line 10) ... ok
[INFO] [stdout] test src/combinations.rs - combinations::CombinationsWithReplacement<T>::all (line 205) ... ok
[INFO] [stdout] test src/combinations.rs - combinations::Combinations<T>::all (line 42) ... ok
[INFO] [stdout] test src/combinations.rs - combinations::CombinationsWithReplacement (line 171) ... ok
[INFO] [stdout] test src/lib.rs - powerset (line 56) ... ok
[INFO] [stdout] test src/combinations.rs - combinations::Combinations<T>::of_size (line 70) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.10s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3a158047c83c612abf5b5d65afd2535ae817060b071a14eb031b96a22c436a5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a158047c83c612abf5b5d65afd2535ae817060b071a14eb031b96a22c436a5f", kill_on_drop: false }`
[INFO] [stdout] 3a158047c83c612abf5b5d65afd2535ae817060b071a14eb031b96a22c436a5f