[INFO] crate zia 0.5.0 is already in cache
[INFO] testing zia-0.5.0 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate zia 0.5.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate zia 0.5.0 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate zia 0.5.0
[INFO] finished tweaking crates.io crate zia 0.5.0
[INFO] tweaked toml for crates.io crate zia 0.5.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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" "+28742a1146f10a4f09369baad027a464acb7a766" "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] 96fab94fc337c0ac4740fb3c615d2bde2fe6de3ce4d3eef4c12b86bcf7e03b82
[INFO] running `"docker" "start" "-a" "96fab94fc337c0ac4740fb3c615d2bde2fe6de3ce4d3eef4c12b86bcf7e03b82"`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling dirs-sys v0.3.4
[INFO] [stderr]    Compiling backtrace-sys v0.1.36
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling backtrace v0.3.46
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling term v0.6.1
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling slog-term v2.5.0
[INFO] [stderr]    Compiling snafu-derive v0.5.0
[INFO] [stderr]    Compiling snafu v0.5.0
[INFO] [stderr]    Compiling zia v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.89s
[INFO] running `"docker" "inspect" "96fab94fc337c0ac4740fb3c615d2bde2fe6de3ce4d3eef4c12b86bcf7e03b82"`
[INFO] running `"docker" "rm" "-f" "96fab94fc337c0ac4740fb3c615d2bde2fe6de3ce4d3eef4c12b86bcf7e03b82"`
[INFO] [stdout] 96fab94fc337c0ac4740fb3c615d2bde2fe6de3ce4d3eef4c12b86bcf7e03b82
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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" "+28742a1146f10a4f09369baad027a464acb7a766" "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] 6c5218cf4fdb83ccaaedd43d992e4f2703547428a0434140b2a71386b13a5724
[INFO] running `"docker" "start" "-a" "6c5218cf4fdb83ccaaedd43d992e4f2703547428a0434140b2a71386b13a5724"`
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling oorandom v11.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling plotters v0.2.12
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling criterion-plot v0.4.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling regex v1.3.7
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling rusty-fork v0.2.2
[INFO] [stderr]    Compiling proptest v0.9.6
[INFO] [stderr]    Compiling bstr v0.2.12
[INFO] [stderr]    Compiling serde_json v1.0.51
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling tinytemplate v1.0.3
[INFO] [stderr]    Compiling test_zia v0.5.0
[INFO] [stderr]    Compiling criterion v0.3.1
[INFO] [stderr]    Compiling zia v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2m 45s
[INFO] running `"docker" "inspect" "6c5218cf4fdb83ccaaedd43d992e4f2703547428a0434140b2a71386b13a5724"`
[INFO] running `"docker" "rm" "-f" "6c5218cf4fdb83ccaaedd43d992e4f2703547428a0434140b2a71386b13a5724"`
[INFO] [stdout] 6c5218cf4fdb83ccaaedd43d992e4f2703547428a0434140b2a71386b13a5724
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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" "+28742a1146f10a4f09369baad027a464acb7a766" "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] 44c35e1acec35d6b767cfb9f9ebe9b098250e9a09ed64c2378d24b9ae7211a9b
[INFO] running `"docker" "start" "-a" "44c35e1acec35d6b767cfb9f9ebe9b098250e9a09ed64c2378d24b9ae7211a9b"`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.64s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/zia-3b8f6c5200195b13
[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] [stderr]      Running /opt/rustwide/target/debug/deps/definitions-548155633d585a91
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test fresh_symbol ... ok
[INFO] [stdout] test pair_on_the_left ... ok
[INFO] [stdout] test nested_definition_loop ... ok
[INFO] [stdout] test fresh_refactor ... ok
[INFO] [stdout] test definition_loop ... ok
[INFO] [stdout] test setting_definition_of_concrete ... ok
[INFO] [stdout] test bad_refactor ... ok
[INFO] [stdout] test redundantly_remove_definition ... ok
[INFO] [stdout] test chained_definitions_loop ... ok
[INFO] [stdout] test redundancy ... ok
[INFO] [stdout] test defining_used_symbol_as_used_pair ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/definitions_and_reductions-1a12dae8d11a5c69
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test sneeky_infinite_reduction_chain ... ok
[INFO] [stdout] test reducing_part_of_a_labelled_concept ... ok
[INFO] [stdout] test indirect_reduction ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/precedence-8cea138dfe21acee
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test lower_than_default_precedence ... ok
[INFO] [stdout] test set_let_precedence ... ok
[INFO] [stdout] test set_reduction_precedence ... ok
[INFO] [stdout] test default_precedence ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/program_recognition-51de3d6d1c79a8fe
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test fresh_symbol_is_not_a_program ... ok
[INFO] [stdout] test fresh_pair_does_not_reduce ... ok
[INFO] [stdout] test fresh_nested_pair_does_not_reduce ... ok
[INFO] [stdout] test used_symbol_does_not_reduce ... ok
[INFO] [stdout] test used_symbol_in_a_pair_does_not_reduce ... ok
[INFO] [stdout] test used_symbol_in_a_nested_pair_does_not_reduce ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/reductions-7456dda127ba33a4
[INFO] [stdout] running 10 tests
[INFO] [stdout] test pair_to_symbol ... ok
[INFO] [stdout] test infinite_expansion ... ok
[INFO] [stdout] test trivial_parentheses ... ok
[INFO] [stdout] test change_reduction_rule ... ok
[INFO] [stdout] test nested_pair_to_symbol ... ok
[INFO] [stdout] test cycle ... ok
[INFO] [stdout] test leapfrog_reduction_rule ... ok
[INFO] [stdout] test broken_end_chain ... ok
[INFO] [stdout] test redundancy ... ok
[INFO] [stdout] test broken_middle_chain ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/syntax-f55d4ec816a9bf82
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test empty_parentheses ... ok
[INFO] [stdout] test random_input ... ok
[INFO] [stdout] test ambiguous_expression ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/variables-287959b8cae880ee
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test single_variable_reduction ... ok
[INFO] [stdout] test repeated_variable_reduction ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests zia
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 49) ... 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" "44c35e1acec35d6b767cfb9f9ebe9b098250e9a09ed64c2378d24b9ae7211a9b"`
[INFO] running `"docker" "rm" "-f" "44c35e1acec35d6b767cfb9f9ebe9b098250e9a09ed64c2378d24b9ae7211a9b"`
[INFO] [stdout] 44c35e1acec35d6b767cfb9f9ebe9b098250e9a09ed64c2378d24b9ae7211a9b