[INFO] cloning repository https://github.com/nihilistkitten/m3lc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nihilistkitten/m3lc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnihilistkitten%2Fm3lc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnihilistkitten%2Fm3lc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 78a855ece3790247864bd01bfa1a5459c674a3bb
[INFO] testing nihilistkitten/m3lc against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnihilistkitten%2Fm3lc" "/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/nihilistkitten/m3lc 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] removed /workspace/builds/worker-6/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/nihilistkitten/m3lc
[INFO] finished tweaking git repo https://github.com/nihilistkitten/m3lc
[INFO] tweaked toml for git repo https://github.com/nihilistkitten/m3lc written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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] [stdout] ef00a7becb30c5ea0d73c695c1948bef6877782520e2a803ed825fde525ba4e9
[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" "ef00a7becb30c5ea0d73c695c1948bef6877782520e2a803ed825fde525ba4e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef00a7becb30c5ea0d73c695c1948bef6877782520e2a803ed825fde525ba4e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef00a7becb30c5ea0d73c695c1948bef6877782520e2a803ed825fde525ba4e9", kill_on_drop: false }`
[INFO] [stdout] ef00a7becb30c5ea0d73c695c1948bef6877782520e2a803ed825fde525ba4e9
[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] 7b779363d49b4ebe59bfcfc962a51eff18e8035c3b93d1023a1d08e4e0069aaa
[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" "7b779363d49b4ebe59bfcfc962a51eff18e8035c3b93d1023a1d08e4e0069aaa", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling pest_consume_macros v1.1.0
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling pest_consume v1.1.1
[INFO] [stderr]    Compiling structopt v0.3.25
[INFO] [stderr]    Compiling m3lc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.08s
[INFO] running `Command { std: "docker" "inspect" "7b779363d49b4ebe59bfcfc962a51eff18e8035c3b93d1023a1d08e4e0069aaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b779363d49b4ebe59bfcfc962a51eff18e8035c3b93d1023a1d08e4e0069aaa", kill_on_drop: false }`
[INFO] [stdout] 7b779363d49b4ebe59bfcfc962a51eff18e8035c3b93d1023a1d08e4e0069aaa
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cef3e63c75587b8cb82a9e143e08f9e0b4b97a1767b8a76ad96bfb8db5942ed1
[INFO] running `Command { std: "docker" "start" "-a" "cef3e63c75587b8cb82a9e143e08f9e0b4b97a1767b8a76ad96bfb8db5942ed1", kill_on_drop: false }`
[INFO] [stderr]    Compiling m3lc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.91s
[INFO] running `Command { std: "docker" "inspect" "cef3e63c75587b8cb82a9e143e08f9e0b4b97a1767b8a76ad96bfb8db5942ed1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cef3e63c75587b8cb82a9e143e08f9e0b4b97a1767b8a76ad96bfb8db5942ed1", kill_on_drop: false }`
[INFO] [stdout] cef3e63c75587b8cb82a9e143e08f9e0b4b97a1767b8a76ad96bfb8db5942ed1
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ab7ba9321284d13a185e01e8da4560a8e5c987c187f95a4178cff2f6e6e5afea
[INFO] running `Command { std: "docker" "start" "-a" "ab7ba9321284d13a185e01e8da4560a8e5c987c187f95a4178cff2f6e6e5afea", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/m3lc-232c3d417fcba754)
[INFO] [stdout] 
[INFO] [stdout] running 75 tests
[INFO] [stdout] test data::church::tests::try_into_usize::three ... ok
[INFO] [stdout] test data::church::tests::try_into_usize::seventeen ... ok
[INFO] [stdout] test data::church::tests::try_into_usize::three_weird_names ... ok
[INFO] [stdout] test data::church::tests::try_into_usize::inconsistent_names ... ok
[INFO] [stdout] test data::bool::tests::false_and_false ... ok
[INFO] [stdout] test data::church::tests::try_into_usize::one_weird_names ... ok
[INFO] [stdout] test data::church::tests::try_into_usize::identity ... ok
[INFO] [stdout] test data::church::tests::succ::zero ... ok
[INFO] [stdout] test grammar::tests::file_display ... ok
[INFO] [stdout] test data::church::tests::try_into_usize::two ... ok
[INFO] [stdout] test data::church::tests::succ::seventeen ... ok
[INFO] [stdout] test grammar::tests::term_display::yc ... ok
[INFO] [stdout] test grammar::tests::test_unroll ... ok
[INFO] [stdout] test parse::tests::defn::add ... ok
[INFO] [stdout] test parse::tests::defn::left_associative ... ok
[INFO] [stdout] test parse::tests::defn::identity ... ok
[INFO] [stdout] test grammar::tests::term_display::one ... ok
[INFO] [stdout] test grammar::tests::term_display::succ ... ok
[INFO] [stdout] test grammar::tests::term_display::identifier ... ok
[INFO] [stdout] test grammar::tests::term_display::identity ... ok
[INFO] [stdout] test parse::tests::defn::one ... ok
[INFO] [stdout] test parse::tests::defn::right_associative ... ok
[INFO] [stdout] test parse::tests::defn::succ ... ok
[INFO] [stdout] test parse::tests::no_period_in_ident ... ok
[INFO] [stdout] test data::church::tests::try_into_usize::zero ... ok
[INFO] [stdout] test data::bool::tests::true_and_false ... ok
[INFO] [stdout] test grammar::tests::defn_display ... ok
[INFO] [stdout] test data::bool::tests::false_and_true ... ok
[INFO] [stdout] test data::church::tests::from_usize::zero ... ok
[INFO] [stdout] test data::church::tests::from_usize::three ... ok
[INFO] [stdout] test data::church::tests::try_into_usize::one ... ok
[INFO] [stdout] test data::bool::tests::true_and_true ... ok
[INFO] [stdout] test parse::tests::file ... ok
[INFO] [stdout] test reduce::tests::alpha_equiv::nested_lam ... ok
[INFO] [stdout] test parse::tests::term::left_associative ... ok
[INFO] [stdout] test parse::tests::term::one ... ok
[INFO] [stdout] test reduce::tests::alpha_equiv::different_structure ... ok
[INFO] [stdout] test parse::tests::defn::yc ... ok
[INFO] [stdout] test reduce::tests::alpha_equiv::free_vars ... ok
[INFO] [stdout] test reduce::tests::alpha_equiv::identical ... ok
[INFO] [stdout] test parse::tests::term::add ... ok
[INFO] [stdout] test parse::tests::term::succ ... ok
[INFO] [stdout] test parse::tests::term::right_associative ... ok
[INFO] [stdout] test data::church::tests::try_into_usize::one_forty_three ... ok
[INFO] [stdout] test reduce::tests::is_irreducible::lam_appl ... ok
[INFO] [stdout] test reduce::tests::is_irreducible::lam ... ok
[INFO] [stdout] test reduce::tests::alpha_equiv::simple_lam ... ok
[INFO] [stdout] test reduce::tests::alpha_equiv::nested_lam_different_names ... ok
[INFO] [stdout] test reduce::tests::get_fresh_ident::foo ... ok
[INFO] [stdout] test parse::tests::term::yc ... ok
[INFO] [stdout] test reduce::tests::alpha_equiv::different_binding ... ok
[INFO] [stdout] test reduce::tests::is_irreducible::lam_reducible_rule ... ok
[INFO] [stdout] test reduce::tests::is_irreducible::lam_app_lam ... ok
[INFO] [stdout] test reduce::tests::is_irreducible::var ... ok
[INFO] [stdout] test reduce::tests::get_fresh_ident::mixed ... ok
[INFO] [stdout] test reduce::tests::reduction::bench::lazy_eval ... ok
[INFO] [stdout] test parse::tests::term::identity ... ok
[INFO] [stdout] test parse::tests::file_with_comments ... ok
[INFO] [stdout] test reduce::tests::reduction::lam_appl_const ... ok
[INFO] [stdout] test reduce::tests::reduction::lam_app_lam ... ok
[INFO] [stdout] test reduce::tests::reduction::bench::nested_sub ... ok
[INFO] [stdout] test reduce::tests::reduction::lazy_eval ... ok
[INFO] [stdout] test reduce::tests::reduction::order_matters ... ok
[INFO] [stdout] test reduce::tests::reduction::simple_lam_appl ... ok
[INFO] [stdout] test reduce::tests::reduction::var ... ok
[INFO] [stdout] test reduce::tests::reduction::nested_sub ... ok
[INFO] [stdout] test reduce::tests::reduction::y_combinator ... ok
[INFO] [stdout] test reduce::tests::subst::shadowing ... ok
[INFO] [stdout] test reduce::tests::subst::no_sub ... ok
[INFO] [stdout] test reduce::tests::reduction::bench::many_renames ... ok
[INFO] [stdout] test reduce::tests::reduction::bench::y_combinator ... ok
[INFO] [stdout] test reduce::tests::reduction::many_renames ... ok
[INFO] [stdout] test reduce::tests::reduction::bench::order_matters ... ok
[INFO] [stdout] test reduce::tests::reduction::fibbit ... ok
[INFO] [stdout] test reduce::tests::reduction::bench::fibbit ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 75 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.41s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/m3lc-39f6af1e9d2fd5c2)
[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] [stderr]    Doc-tests m3lc
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/data/church.rs - data::church::Term::succ (line 38) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.62s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ab7ba9321284d13a185e01e8da4560a8e5c987c187f95a4178cff2f6e6e5afea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab7ba9321284d13a185e01e8da4560a8e5c987c187f95a4178cff2f6e6e5afea", kill_on_drop: false }`
[INFO] [stdout] ab7ba9321284d13a185e01e8da4560a8e5c987c187f95a4178cff2f6e6e5afea