[INFO] cloning repository https://github.com/david-a-wheeler/metamath-knife
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/david-a-wheeler/metamath-knife" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavid-a-wheeler%2Fmetamath-knife", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavid-a-wheeler%2Fmetamath-knife'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bc318d9e70176a767beff6bf719dd517ddb509ee
[INFO] testing david-a-wheeler/metamath-knife against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavid-a-wheeler%2Fmetamath-knife" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/david-a-wheeler/metamath-knife 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 git repo https://github.com/david-a-wheeler/metamath-knife
[INFO] finished tweaking git repo https://github.com/david-a-wheeler/metamath-knife
[INFO] tweaked toml for git repo https://github.com/david-a-wheeler/metamath-knife written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/david-a-wheeler/metamath-knife already has a lockfile, it will not be regenerated
[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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 04b8675a7e3c40f6ba63ce55876c4e7acec1e736f44171672a469311dfa10073
[INFO] running `Command { std: "docker" "start" "-a" "04b8675a7e3c40f6ba63ce55876c4e7acec1e736f44171672a469311dfa10073", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "04b8675a7e3c40f6ba63ce55876c4e7acec1e736f44171672a469311dfa10073", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04b8675a7e3c40f6ba63ce55876c4e7acec1e736f44171672a469311dfa10073", kill_on_drop: false }`
[INFO] [stdout] 04b8675a7e3c40f6ba63ce55876c4e7acec1e736f44171672a469311dfa10073
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 5ca048ec4dbe35327560f7337f0e23b56b918d99baf0499acae8653ea02e92d5
[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" "5ca048ec4dbe35327560f7337f0e23b56b918d99baf0499acae8653ea02e92d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling tinyvec v1.5.0
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling filetime v0.2.15
[INFO] [stderr]    Compiling colored v1.9.3
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling simple_logger v1.13.0
[INFO] [stderr]    Compiling metamath-knife v3.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 2m 34s
[INFO] running `Command { std: "docker" "inspect" "5ca048ec4dbe35327560f7337f0e23b56b918d99baf0499acae8653ea02e92d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ca048ec4dbe35327560f7337f0e23b56b918d99baf0499acae8653ea02e92d5", kill_on_drop: false }`
[INFO] [stdout] 5ca048ec4dbe35327560f7337f0e23b56b918d99baf0499acae8653ea02e92d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 3cffaa4127470e1ea1e3ce128aa9b2329864aade63b3f0042bea3734994df805
[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" "3cffaa4127470e1ea1e3ce128aa9b2329864aade63b3f0042bea3734994df805", kill_on_drop: false }`
[INFO] [stderr]    Compiling metamath-knife v3.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [optimized + debuginfo] target(s) in 30.03s
[INFO] running `Command { std: "docker" "inspect" "3cffaa4127470e1ea1e3ce128aa9b2329864aade63b3f0042bea3734994df805", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cffaa4127470e1ea1e3ce128aa9b2329864aade63b3f0042bea3734994df805", kill_on_drop: false }`
[INFO] [stdout] 3cffaa4127470e1ea1e3ce128aa9b2329864aade63b3f0042bea3734994df805
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] d23294d506e9e3c1956b2537eef9f9decb046bc3ccf76968799c170f2e17724d
[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" "d23294d506e9e3c1956b2537eef9f9decb046bc3ccf76968799c170f2e17724d", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [optimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] running 27 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/metamath_knife-af2f05f705c0918b)
[INFO] [stdout] test formula_tests::test_substitute ... ok
[INFO] [stdout] test formula_tests::test_unify_fail ... ok
[INFO] [stdout] test formula_tests::test_unify ... ok
[INFO] [stdout] test grammar_tests::test_db_formula ... ok
[INFO] [stdout] test grammar_tests::test_db_stmt_parse ... ok
[INFO] [stdout] test grammar_tests::test_garden_path_3 ... ok
[INFO] [stdout] test grammar_tests::test_lookup ... ok
[INFO] [stdout] test parser_tests::test_invalid_c0 ... ok
[INFO] [stdout] test grammar_tests::test_missing_float ... ok
[INFO] [stdout] test parser_tests::test_stref_v ... ok
[INFO] [stdout] test grammar_tests::test_parse_formula ... ok
[INFO] [stdout] test parser_tests::test_segref ... ok
[INFO] [stdout] test util_tests::test_copy_portion ... ok
[INFO] [stdout] test util_tests::test_fast_extend ... ok
[INFO] [stdout] test util_tests::test_fast_clear ... ok
[INFO] [stdout] test grammar_tests::test_garden_path_2 ... ok
[INFO] [stdout] test parser_tests::test_invalid_del ... ok
[INFO] [stdout] test grammar_tests::test_garden_path_1 ... ok
[INFO] [stdout] test grammar_tests::test_float_not_var ... ok
[INFO] [stdout] test grammar_tests::test_db_43_formula ... ok
[INFO] [stdout] test util_tests::test_find_chapter ... ok
[INFO] [stdout] test grammar_tests::test_db_32_formula ... ok
[INFO] [stdout] test grammar_tests::test_ambiguous ... ok
[INFO] [stdout] test parser_tests::test_valid_whitespace ... ok
[INFO] [stdout] test parser_tests::test_segment_order ... ok
[INFO] [stdout] test util_tests::test_ptr_eq ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/metamath_knife-c429154d68206ae2)
[INFO] [stdout] test util_tests::test_copy_portion_oob - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 27 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests metamath-knife
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/grammar.rs - grammar::StmtParse (line 1411) ... ok
[INFO] [stdout] test src/grammar.rs - grammar::Grammar (line 142) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.27s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d23294d506e9e3c1956b2537eef9f9decb046bc3ccf76968799c170f2e17724d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d23294d506e9e3c1956b2537eef9f9decb046bc3ccf76968799c170f2e17724d", kill_on_drop: false }`
[INFO] [stdout] d23294d506e9e3c1956b2537eef9f9decb046bc3ccf76968799c170f2e17724d