[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 try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fear7h%2Flang2" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ear7h/lang2 on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "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-0/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lasso v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 779cf58719ad812682b51d9225b6bd7b802db8a4b6a5e97cacc77e7f915eded0
[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" "779cf58719ad812682b51d9225b6bd7b802db8a4b6a5e97cacc77e7f915eded0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "779cf58719ad812682b51d9225b6bd7b802db8a4b6a5e97cacc77e7f915eded0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "779cf58719ad812682b51d9225b6bd7b802db8a4b6a5e97cacc77e7f915eded0", kill_on_drop: false }`
[INFO] [stdout] 779cf58719ad812682b51d9225b6bd7b802db8a4b6a5e97cacc77e7f915eded0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "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] b08fb137e112bb2c8bb71027b5f5e83aacedc4cc4e3775684f4fee5151901633
[INFO] running `Command { std: "docker" "start" "-a" "b08fb137e112bb2c8bb71027b5f5e83aacedc4cc4e3775684f4fee5151901633", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling peg-runtime v0.6.3 (https://github.com/kevinmehall/rust-peg?branch=master#7d03e426)
[INFO] [stderr]    Compiling lazy_static v1.4.0
[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 quote v1.0.9
[INFO] [stderr]    Compiling peg-macros v0.6.3 (https://github.com/kevinmehall/rust-peg?branch=master#7d03e426)
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.73s
[INFO] running `Command { std: "docker" "inspect" "b08fb137e112bb2c8bb71027b5f5e83aacedc4cc4e3775684f4fee5151901633", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b08fb137e112bb2c8bb71027b5f5e83aacedc4cc4e3775684f4fee5151901633", kill_on_drop: false }`
[INFO] [stdout] b08fb137e112bb2c8bb71027b5f5e83aacedc4cc4e3775684f4fee5151901633
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 25347fc5c7f05fa4f7f3c9b6a195501b541b9ab9d1696d2bad99f578f8983323
[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" "25347fc5c7f05fa4f7f3c9b6a195501b541b9ab9d1696d2bad99f578f8983323", 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.02s
[INFO] running `Command { std: "docker" "inspect" "25347fc5c7f05fa4f7f3c9b6a195501b541b9ab9d1696d2bad99f578f8983323", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25347fc5c7f05fa4f7f3c9b6a195501b541b9ab9d1696d2bad99f578f8983323", kill_on_drop: false }`
[INFO] [stdout] 25347fc5c7f05fa4f7f3c9b6a195501b541b9ab9d1696d2bad99f578f8983323
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f9d811565ee66aa10e36bf186fadbb3e1d8f9f8ea503fed4dffae0adf5f59943
[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" "f9d811565ee66aa10e36bf186fadbb3e1d8f9f8ea503fed4dffae0adf5f59943", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Env`
[INFO] [stderr]  --> src/bin/lambda.rs:5:26
[INFO] [stderr]   |
[INFO] [stderr] 5 | use lang2::types::{Type, Env};
[INFO] [stderr]   |                          ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lang2-8bc9e41a62e99fb4)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test parser::test::string_lit ... ok
[INFO] [stdout] test typecheck::tests::infer_generic_enum ... ok
[INFO] [stdout] test typecheck::tests::infer_struct ... ok
[INFO] [stdout] test types::test::abstract_n ... ok
[INFO] [stdout] test types::test::eval_nf ... ok
[INFO] [stdout] test parser::test::ident ... ok
[INFO] [stdout] test types::test::apply_n ... ok
[INFO] [stdout] test typecheck::tests::infer_func ... ok
[INFO] [stdout] test parser::test::main ... ok
[INFO] [stdout] test types::test::eval_whnf ... ok
[INFO] [stdout] test parser::test::num_lit ... ok
[INFO] [stdout] test typecheck::tests::infer_func2 ... ok
[INFO] [stdout] test parser::test::type_expr ... ok
[INFO] [stdout] test typecheck::tests::fail_type_abs ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lambda-9bc485d92a3af241)
[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]      Running unittests (/opt/rustwide/target/debug/deps/lang2-8c3df56578dfdb74)
[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] running `Command { std: "docker" "inspect" "f9d811565ee66aa10e36bf186fadbb3e1d8f9f8ea503fed4dffae0adf5f59943", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9d811565ee66aa10e36bf186fadbb3e1d8f9f8ea503fed4dffae0adf5f59943", kill_on_drop: false }`
[INFO] [stdout] f9d811565ee66aa10e36bf186fadbb3e1d8f9f8ea503fed4dffae0adf5f59943