[INFO] updating cached repository https://github.com/yarrow/zet
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 333c284be753051820d227bbb32a48ed464a8a63
[INFO] testing yarrow/zet against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyarrow%2Fzet" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yarrow/zet on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/yarrow/zet
[INFO] finished tweaking git repo https://github.com/yarrow/zet
[INFO] tweaked toml for git repo https://github.com/yarrow/zet written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/yarrow/zet already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fadc5b98121ec5261976b828e871b817c3b367a31de144e5dc6298ae640820ae
[INFO] running `"docker" "start" "-a" "fadc5b98121ec5261976b828e871b817c3b367a31de144e5dc6298ae640820ae"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling term_size v0.3.1
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling structopt v0.2.18
[INFO] [stderr]    Compiling zet v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.09s
[INFO] running `"docker" "inspect" "fadc5b98121ec5261976b828e871b817c3b367a31de144e5dc6298ae640820ae"`
[INFO] running `"docker" "rm" "-f" "fadc5b98121ec5261976b828e871b817c3b367a31de144e5dc6298ae640820ae"`
[INFO] [stdout] fadc5b98121ec5261976b828e871b817c3b367a31de144e5dc6298ae640820ae
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cc1bce3ea09f9531bb30d51b0a180c7ae6ab8f4806ffe07a908529e085040d66
[INFO] running `"docker" "start" "-a" "cc1bce3ea09f9531bb30d51b0a180c7ae6ab8f4806ffe07a908529e085040d66"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling escargot v0.3.1
[INFO] [stderr]    Compiling predicates v1.0.2
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling bstr v0.2.9
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling float-cmp v0.4.0
[INFO] [stderr]    Compiling predicates v0.5.2
[INFO] [stderr]    Compiling globset v0.4.4
[INFO] [stderr]    Compiling ignore v0.4.11
[INFO] [stderr]    Compiling globwalk v0.3.1
[INFO] [stderr]    Compiling assert_fs v0.2.1
[INFO] [stderr]    Compiling serde_json v1.0.44
[INFO] [stderr]    Compiling assert_cmd v0.10.2
[INFO] [stderr]    Compiling zet v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 31.87s
[INFO] running `"docker" "inspect" "cc1bce3ea09f9531bb30d51b0a180c7ae6ab8f4806ffe07a908529e085040d66"`
[INFO] running `"docker" "rm" "-f" "cc1bce3ea09f9531bb30d51b0a180c7ae6ab8f4806ffe07a908529e085040d66"`
[INFO] [stdout] cc1bce3ea09f9531bb30d51b0a180c7ae6ab8f4806ffe07a908529e085040d66
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 65269877f846429561bf82b910d918d1469e98d12e736040faedbf512916a044
[INFO] running `"docker" "start" "-a" "65269877f846429561bf82b910d918d1469e98d12e736040faedbf512916a044"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/zet-d6a457d2bf46d05f
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test::given_a_single_argument_all_ops_but_multiple_return_its_lines_in_order_without_dups ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/zet-9875366023506018
[INFO] [stdout] test test::results_for_each_operation ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/features-161dfa3ad90fee63
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test union_output_is_the_concatentated_input_lines_in_order_with_no_duplicates ... ok
[INFO] [stdout] test each_line_occurs_at_most_once_in_the_output_of_any_subcommand ... ok
[INFO] [stdout] test output_is_subsequence_of_union_output_for_all_subcommands ... ok
[INFO] [stdout] test requires_subcommand ... ok
[INFO] [stdout] test subcommands_allow_empty_arg_list_and_produce_empty_output ... ok
[INFO] [stdout] test single_argument_just_prints_the_unique_lines_for_all_but_multiple ... ok
[INFO] [stdout] test zet_subcommand_x_y_z_matches_expected_output_for_all_subcommands ... ok
[INFO] [stderr]    Doc-tests zet
[INFO] [stdout] test fail_on_missing_file ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/io.rs - io::ContentsIter (line 20) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "65269877f846429561bf82b910d918d1469e98d12e736040faedbf512916a044"`
[INFO] running `"docker" "rm" "-f" "65269877f846429561bf82b910d918d1469e98d12e736040faedbf512916a044"`
[INFO] [stdout] 65269877f846429561bf82b910d918d1469e98d12e736040faedbf512916a044