[INFO] cloning repository https://github.com/ear7h/lang2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ear7h/lang2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fear7h%2Flang2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fear7h%2Flang2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] beb1449fa834d9b9d550631159fff0c44d1b8a53
[INFO] testing ear7h/lang2 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fear7h%2Flang2" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ear7h/lang2 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/ear7h/lang2
[INFO] finished tweaking git repo https://github.com/ear7h/lang2
[INFO] tweaked toml for git repo https://github.com/ear7h/lang2 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/ear7h/lang2 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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 1cf0ebe39b519e73ebca31656d4b7b0136b2742a4a3eb4bc05ded1ff0b515540
[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" "1cf0ebe39b519e73ebca31656d4b7b0136b2742a4a3eb4bc05ded1ff0b515540", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1cf0ebe39b519e73ebca31656d4b7b0136b2742a4a3eb4bc05ded1ff0b515540", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cf0ebe39b519e73ebca31656d4b7b0136b2742a4a3eb4bc05ded1ff0b515540", kill_on_drop: false }`
[INFO] [stdout] 1cf0ebe39b519e73ebca31656d4b7b0136b2742a4a3eb4bc05ded1ff0b515540
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4618edfc877ccd6d1c41050a8cf2bbd9a14a92532705b800bc4c317fd0201903
[INFO] running `Command { std: "docker" "start" "-a" "4618edfc877ccd6d1c41050a8cf2bbd9a14a92532705b800bc4c317fd0201903", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.92
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling ahash v0.4.7
[INFO] [stderr]    Compiling peg-runtime v0.6.3 (https://github.com/kevinmehall/rust-peg?branch=master#7d03e426)
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling peg-macros v0.6.3 (https://github.com/kevinmehall/rust-peg?branch=master#7d03e426)
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling dashmap v4.0.2
[INFO] [stderr]    Compiling lasso v0.5.0
[INFO] [stderr]    Compiling peg v0.6.3 (https://github.com/kevinmehall/rust-peg?branch=master#7d03e426)
[INFO] [stderr]    Compiling lang2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Env`
[INFO] [stdout]  --> src/bin/lambda.rs:5:26
[INFO] [stdout]   |
[INFO] [stdout] 5 | use lang2::types::{Type, Env};
[INFO] [stdout]   |                          ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `bindings_after_at` has been stable since 1.56.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/bin/lambda.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(bindings_after_at)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.71s
[INFO] running `Command { std: "docker" "inspect" "4618edfc877ccd6d1c41050a8cf2bbd9a14a92532705b800bc4c317fd0201903", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4618edfc877ccd6d1c41050a8cf2bbd9a14a92532705b800bc4c317fd0201903", kill_on_drop: false }`
[INFO] [stdout] 4618edfc877ccd6d1c41050a8cf2bbd9a14a92532705b800bc4c317fd0201903
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 25d9ba97164b57ce9c06023907e946a83b48b900f2330dffe1fe429541b3473e
[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" "25d9ba97164b57ce9c06023907e946a83b48b900f2330dffe1fe429541b3473e", kill_on_drop: false }`
[INFO] [stderr]    Compiling lang2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Env`
[INFO] [stdout]  --> src/bin/lambda.rs:5:26
[INFO] [stdout]   |
[INFO] [stdout] 5 | use lang2::types::{Type, Env};
[INFO] [stdout]   |                          ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `bindings_after_at` has been stable since 1.56.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/bin/lambda.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(bindings_after_at)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.45s
[INFO] running `Command { std: "docker" "inspect" "25d9ba97164b57ce9c06023907e946a83b48b900f2330dffe1fe429541b3473e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25d9ba97164b57ce9c06023907e946a83b48b900f2330dffe1fe429541b3473e", kill_on_drop: false }`
[INFO] [stdout] 25d9ba97164b57ce9c06023907e946a83b48b900f2330dffe1fe429541b3473e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 7f9b6ba8866debfe34f2582dc12fd5482f5c939659db0ce73a1dfc7591a9718d
[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" "7f9b6ba8866debfe34f2582dc12fd5482f5c939659db0ce73a1dfc7591a9718d", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `Env`
[INFO] [stdout] running 14 tests
[INFO] [stderr]  --> src/bin/lambda.rs:5:26
[INFO] [stdout] test parser::test::num_lit ... ok
[INFO] [stderr]   |
[INFO] [stdout] test types::test::abstract_n ... ok
[INFO] [stderr] 5 | use lang2::types::{Type, Env};
[INFO] [stdout] test typecheck::tests::infer_generic_enum ... ok
[INFO] [stderr]   |                          ^^^
[INFO] [stdout] test typecheck::tests::infer_struct ... ok
[INFO] [stderr]   |
[INFO] [stdout] test parser::test::main ... ok
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] test typecheck::tests::infer_func ... ok
[INFO] [stderr] 
[INFO] [stdout] test typecheck::tests::infer_func2 ... ok
[INFO] [stderr] warning: the feature `bindings_after_at` has been stable since 1.56.0 and no longer requires an attribute to enable
[INFO] [stdout] test types::test::eval_nf ... ok
[INFO] [stderr]  --> src/bin/lambda.rs:1:12
[INFO] [stdout] test types::test::apply_n ... ok
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(bindings_after_at)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `lang2` (bin "lambda" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lang2-279c9295270c8d46)
[INFO] [stdout] test parser::test::string_lit ... ok
[INFO] [stdout] test parser::test::ident ... ok
[INFO] [stdout] test types::test::eval_whnf ... ok
[INFO] [stdout] test parser::test::type_expr ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lambda-4db794c336b95d39)
[INFO] [stdout] test typecheck::tests::fail_type_abs - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lang2-ab7150130e91c524)
[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 lang2
[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 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] running `Command { std: "docker" "inspect" "7f9b6ba8866debfe34f2582dc12fd5482f5c939659db0ce73a1dfc7591a9718d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f9b6ba8866debfe34f2582dc12fd5482f5c939659db0ce73a1dfc7591a9718d", kill_on_drop: false }`
[INFO] [stdout] 7f9b6ba8866debfe34f2582dc12fd5482f5c939659db0ce73a1dfc7591a9718d