[INFO] fetching crate permutation-rs 3.0.0...
[INFO] testing permutation-rs-3.0.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate permutation-rs 3.0.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate permutation-rs 3.0.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate permutation-rs 3.0.0
[INFO] finished tweaking crates.io crate permutation-rs 3.0.0
[INFO] tweaked toml for crates.io crate permutation-rs 3.0.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a5b8d4afb3296287a1a3115c3cff805cc6725fa8e218e7e46c448e3b446d3529
[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" "a5b8d4afb3296287a1a3115c3cff805cc6725fa8e218e7e46c448e3b446d3529", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5b8d4afb3296287a1a3115c3cff805cc6725fa8e218e7e46c448e3b446d3529", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5b8d4afb3296287a1a3115c3cff805cc6725fa8e218e7e46c448e3b446d3529", kill_on_drop: false }`
[INFO] [stdout] a5b8d4afb3296287a1a3115c3cff805cc6725fa8e218e7e46c448e3b446d3529
[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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1cfbbf30a146f9f6cc276ff85c043d2c15876d1f78253ead3b057f1a046b811
[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" "d1cfbbf30a146f9f6cc276ff85c043d2c15876d1f78253ead3b057f1a046b811", kill_on_drop: false }`
[INFO] [stderr]    Compiling permutation-rs v3.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: missing documentation for macro
[INFO] [stdout]   --> src/group/permutation.rs:61:1
[INFO] [stdout]    |
[INFO] [stdout] 61 | macro_rules! permute {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:1:9
[INFO] [stdout]    |
[INFO] [stdout] 1  | #![deny(missing_docs)]
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for macro
[INFO] [stdout]    --> src/group/mod.rs:222:1
[INFO] [stdout]     |
[INFO] [stdout] 222 | macro_rules! morphism {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.69s
[INFO] running `Command { std: "docker" "inspect" "d1cfbbf30a146f9f6cc276ff85c043d2c15876d1f78253ead3b057f1a046b811", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1cfbbf30a146f9f6cc276ff85c043d2c15876d1f78253ead3b057f1a046b811", kill_on_drop: false }`
[INFO] [stdout] d1cfbbf30a146f9f6cc276ff85c043d2c15876d1f78253ead3b057f1a046b811
[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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a476e455ca450ceff2fb14426ad45693a494063734fbb086096a35f32f5fc593
[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" "a476e455ca450ceff2fb14426ad45693a494063734fbb086096a35f32f5fc593", kill_on_drop: false }`
[INFO] [stdout] warning: missing documentation for macro
[INFO] [stdout]   --> src/group/permutation.rs:61:1
[INFO] [stdout]    |
[INFO] [stdout] 61 | macro_rules! permute {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:1:9
[INFO] [stdout]    |
[INFO] [stdout] 1  | #![deny(missing_docs)]
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling permutation-rs v3.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: missing documentation for macro
[INFO] [stdout]    --> src/group/mod.rs:222:1
[INFO] [stdout]     |
[INFO] [stdout] 222 | macro_rules! morphism {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for macro
[INFO] [stdout]   --> src/group/permutation.rs:61:1
[INFO] [stdout]    |
[INFO] [stdout] 61 | macro_rules! permute {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:1:9
[INFO] [stdout]    |
[INFO] [stdout] 1  | #![deny(missing_docs)]
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for macro
[INFO] [stdout]    --> src/group/mod.rs:222:1
[INFO] [stdout]     |
[INFO] [stdout] 222 | macro_rules! morphism {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.41s
[INFO] running `Command { std: "docker" "inspect" "a476e455ca450ceff2fb14426ad45693a494063734fbb086096a35f32f5fc593", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a476e455ca450ceff2fb14426ad45693a494063734fbb086096a35f32f5fc593", kill_on_drop: false }`
[INFO] [stdout] a476e455ca450ceff2fb14426ad45693a494063734fbb086096a35f32f5fc593
[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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ebedc62c066daf6056d6c0b459ed159cfd100f716aca0d083de3d17f7704c63f
[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" "ebedc62c066daf6056d6c0b459ed159cfd100f716aca0d083de3d17f7704c63f", kill_on_drop: false }`
[INFO] [stderr] warning: missing documentation for macro
[INFO] [stderr]   --> src/group/permutation.rs:61:1
[INFO] [stderr]    |
[INFO] [stderr] 61 | macro_rules! permute {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/lib.rs:1:9
[INFO] [stderr]    |
[INFO] [stderr] 1  | #![deny(missing_docs)]
[INFO] [stderr]    |         ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for macro
[INFO] [stderr]    --> src/group/mod.rs:222:1
[INFO] [stderr]     |
[INFO] [stderr] 222 | macro_rules! morphism {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for macro
[INFO] [stderr]   --> src/group/permutation.rs:61:1
[INFO] [stderr]    |
[INFO] [stderr] 61 | macro_rules! permute {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/lib.rs:1:9
[INFO] [stderr]    |
[INFO] [stderr] 1  | #![deny(missing_docs)]
[INFO] [stderr]    |         ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for macro
[INFO] [stderr]    --> src/group/mod.rs:222:1
[INFO] [stderr]     |
[INFO] [stderr] 222 | macro_rules! morphism {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/permutation_rs-4175cb7a038be2db
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test group::calculation::tests::factorial ... ok
[INFO] [stdout] test group::free::tests::multiplication_should_be_from_left_to_right ... ok
[INFO] [stdout] test group::free::tests::inverse_should_multiply_to_identity ... ok
[INFO] [stdout] test group::calculation::tests::elements_generated_by_should_calculate_group_elements ... ok
[INFO] [stdout] test group::free::tests::permutaion_should_know_when_it_is_the_identity ... ok
[INFO] [stdout] test group::free::tests::word_should_display_correctly ... ok
[INFO] [stdout] test group::permutation::tests::inverse_should_multiply_to_identity ... ok
[INFO] [stdout] test group::permutation::tests::multiplication_should_be_from_left_to_right ... ok
[INFO] [stdout] test group::permutation::tests::permutaion_should_know_when_it_is_the_identity ... ok
[INFO] [stdout] test group::permutation::tests::permutation_should_act_upon_integers ... ok
[INFO] [stdout] test group::permutation::tests::permutation_should_display_correctly ... ok
[INFO] [stdout] test group::special::tests::inverse_should_multiply_to_identity ... ok
[INFO] [stdout] test group::special::tests::multiplication_should_be_from_left_to_right ... ok
[INFO] [stdout] test group::tree::tests::slp_should_know_when_it_is_the_identity ... ok
[INFO] [stdout] test group::tests::transversal_for_should_correctly_determine_transversal ... ok
[INFO] [stdout] test group::tests::group_should_determine_if_an_element_is_a_member ... ok
[INFO] [stdout] test group::special::tests::slp_permutaion_should_know_when_it_is_the_identity ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/member-2c7da0d83f0134a2
[INFO] [stdout] test group::special::tests::permutation_should_act_upon_integers ... ok
[INFO] [stdout] test group::tree::tests::inverse_should_multiply_to_identity ... ok
[INFO] [stdout] test group::tree::tests::should_display_correctly ... ok
[INFO] [stdout] test group::tree::tests::multiplication_should_be_from_left_to_right ... ok
[INFO] [stdout] test group::tests::group_should_have_a_size ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/word-1989497fddf46266
[INFO] [stdout] test check_that_a_certain_permutation_is_an_member ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests permutation-rs
[INFO] [stdout] test check_returned_word ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 9.53s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/group/permutation.rs - group::permutation (line 9) ... ok
[INFO] [stdout] test src/group/tree.rs - group::tree (line 8) ... ok
[INFO] [stdout] test src/group/permutation.rs - group::permutation (line 41) ... ok
[INFO] [stdout] test src/group/free.rs - group::free (line 9) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.25s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ebedc62c066daf6056d6c0b459ed159cfd100f716aca0d083de3d17f7704c63f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebedc62c066daf6056d6c0b459ed159cfd100f716aca0d083de3d17f7704c63f", kill_on_drop: false }`
[INFO] [stdout] ebedc62c066daf6056d6c0b459ed159cfd100f716aca0d083de3d17f7704c63f