[INFO] updating cached repository siiptuo/lambda
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/siiptuo/lambda
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/siiptuo/lambda" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/siiptuo/lambda"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/siiptuo/lambda'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/siiptuo/lambda" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/siiptuo/lambda"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/siiptuo/lambda'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 91420bdd99be25c1eaa705f71f914cb1799f5585
[INFO] sha for GitHub repo siiptuo/lambda: 91420bdd99be25c1eaa705f71f914cb1799f5585
[INFO] validating manifest of siiptuo/lambda on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of siiptuo/lambda on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing siiptuo/lambda
[INFO] finished frobbing siiptuo/lambda
[INFO] frobbed toml for siiptuo/lambda written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/siiptuo/lambda/Cargo.toml
[INFO] started frobbing siiptuo/lambda
[INFO] finished frobbing siiptuo/lambda
[INFO] frobbed toml for siiptuo/lambda written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/siiptuo/lambda/Cargo.toml
[INFO] crate siiptuo/lambda has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing siiptuo/lambda against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/siiptuo/lambda:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"`
[INFO] [stdout] f251bc4311affe4b0792052647b5fc9f4600f84487d2409a950a3d1e6da1edf6
[INFO] running `"docker" "start" "-a" "f251bc4311affe4b0792052647b5fc9f4600f84487d2409a950a3d1e6da1edf6"`
[INFO] [stderr]    Compiling nix v0.5.1
[INFO] [stderr]    Compiling rustyline v1.0.0
[INFO] [stderr]    Compiling lambda v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.21s
[INFO] running `"docker" "inspect" "f251bc4311affe4b0792052647b5fc9f4600f84487d2409a950a3d1e6da1edf6"`
[INFO] running `"docker" "rm" "-f" "f251bc4311affe4b0792052647b5fc9f4600f84487d2409a950a3d1e6da1edf6"`
[INFO] [stdout] f251bc4311affe4b0792052647b5fc9f4600f84487d2409a950a3d1e6da1edf6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/siiptuo/lambda:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 065ad9c296052ec456c63e5b33361c56442c2dd638db1ca6f955398a0920b47d
[INFO] running `"docker" "start" "-a" "065ad9c296052ec456c63e5b33361c56442c2dd638db1ca6f955398a0920b47d"`
[INFO] [stderr]    Compiling lambda v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `"docker" "inspect" "065ad9c296052ec456c63e5b33361c56442c2dd638db1ca6f955398a0920b47d"`
[INFO] running `"docker" "rm" "-f" "065ad9c296052ec456c63e5b33361c56442c2dd638db1ca6f955398a0920b47d"`
[INFO] [stdout] 065ad9c296052ec456c63e5b33361c56442c2dd638db1ca6f955398a0920b47d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/siiptuo/lambda:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen"`
[INFO] [stdout] 05d9439efbd0036dbf0ab48f6e1b8b763e60352e4d5d8f0c97b1264dd510aaa8
[INFO] running `"docker" "start" "-a" "05d9439efbd0036dbf0ab48f6e1b8b763e60352e4d5d8f0c97b1264dd510aaa8"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/lambda-ef472bfa23ef0234
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test parser::tests::it_handles_definitions ... ok
[INFO] [stdout] test parser::tests::it_handles_abstraction_sugar ... ok
[INFO] [stdout] test parser::tests::it_handles_abstraction_binding ... ok
[INFO] [stdout] test lexer::tests::it_works ... ok
[INFO] [stdout] test lexer::tests::it_handles_multicharacter_symbols ... ok
[INFO] [stdout] test parser::tests::it_handles_right_associative_abstraction ... ok
[INFO] [stdout] test parser::tests::it_handles_unexpected_eof ... ok
[INFO] [stdout] test lexer::tests::it_handles_definitions ... ok
[INFO] [stdout] test parser::tests::it_parses_abstr ... ok
[INFO] [stdout] test parser::tests::it_parses_app ... ok
[INFO] [stdout] test parser::tests::it_parses_var ... ok
[INFO] [stdout] test reduce::tests::it_reduces ... ok
[INFO] [stdout] test substitute::tests::it_finds_free_variables ... ok
[INFO] [stdout] test substitute::tests::it_substitutes_symbols ... ok
[INFO] [stdout] test parser::tests::it_handles_expr_commands ... ok
[INFO] [stdout] test parser::tests::it_handles_invalid_symbol ... ok
[INFO] [stdout] test parser::tests::it_handles_left_associative_application ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "05d9439efbd0036dbf0ab48f6e1b8b763e60352e4d5d8f0c97b1264dd510aaa8"`
[INFO] running `"docker" "rm" "-f" "05d9439efbd0036dbf0ab48f6e1b8b763e60352e4d5d8f0c97b1264dd510aaa8"`
[INFO] [stdout] 05d9439efbd0036dbf0ab48f6e1b8b763e60352e4d5d8f0c97b1264dd510aaa8