[INFO] crate lambda_calculus 2.2.0 is already in cache
[INFO] extracting crate lambda_calculus 2.2.0 into work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/lambda_calculus/2.2.0
[INFO] extracting crate lambda_calculus 2.2.0 into work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/lambda_calculus/2.2.0
[INFO] validating manifest of lambda_calculus-2.2.0 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 lambda_calculus-2.2.0 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 lambda_calculus-2.2.0
[INFO] finished frobbing lambda_calculus-2.2.0
[INFO] frobbed toml for lambda_calculus-2.2.0 written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/lambda_calculus/2.2.0/Cargo.toml
[INFO] started frobbing lambda_calculus-2.2.0
[INFO] finished frobbing lambda_calculus-2.2.0
[INFO] frobbed toml for lambda_calculus-2.2.0 written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/lambda_calculus/2.2.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 lambda_calculus-2.2.0 against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-2/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/lambda_calculus/2.2.0:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] e4677fa93445eec4a51e31fa6a00675046ca6da9822b66723608c146abcf9ffc
[INFO] running `"docker" "start" "-a" "e4677fa93445eec4a51e31fa6a00675046ca6da9822b66723608c146abcf9ffc"`
[INFO] [stderr]    Compiling lambda_calculus v2.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.01s
[INFO] running `"docker" "inspect" "e4677fa93445eec4a51e31fa6a00675046ca6da9822b66723608c146abcf9ffc"`
[INFO] running `"docker" "rm" "-f" "e4677fa93445eec4a51e31fa6a00675046ca6da9822b66723608c146abcf9ffc"`
[INFO] [stdout] e4677fa93445eec4a51e31fa6a00675046ca6da9822b66723608c146abcf9ffc
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-2/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/lambda_calculus/2.2.0:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 8b9ab70193d008960b9d4edacb2a852ae3efe55e7df5269bf744866f243eae30
[INFO] running `"docker" "start" "-a" "8b9ab70193d008960b9d4edacb2a852ae3efe55e7df5269bf744866f243eae30"`
[INFO] [stderr]    Compiling lambda_calculus v2.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> tests/signed.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> tests/num.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> tests/reduction.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.43s
[INFO] running `"docker" "inspect" "8b9ab70193d008960b9d4edacb2a852ae3efe55e7df5269bf744866f243eae30"`
[INFO] running `"docker" "rm" "-f" "8b9ab70193d008960b9d4edacb2a852ae3efe55e7df5269bf744866f243eae30"`
[INFO] [stdout] 8b9ab70193d008960b9d4edacb2a852ae3efe55e7df5269bf744866f243eae30
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-2/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/lambda_calculus/2.2.0:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen"`
[INFO] [stdout] 154a19f6c6d918fa28fd6a5a4dfc214194cc98086b38f97b5a772e613e5d1ec1
[INFO] running `"docker" "start" "-a" "154a19f6c6d918fa28fd6a5a4dfc214194cc98086b38f97b5a772e613e5d1ec1"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/lambda_calculus-5653214923c7aaa2
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test parser::tests::tokenization_success ... ok
[INFO] [stdout] test parser::tests::tokenization_error ... ok
[INFO] [stdout] test parser::tests::tokenization_success_classic ... ok
[INFO] [stdout] test parser::tests::succ_ast ... ok
[INFO] [stdout] test parser::tests::parse_quine ... ok
[INFO] [stdout] test parser::tests::parse_blc ... ok
[INFO] [stdout] test parser::tests::alternative_lambda_parsing ... ok
[INFO] [stdout] test parser::tests::parse_y ... ok
[INFO] [stdout] test term::tests::abs_macro ... ok
[INFO] [stdout] test term::tests::app_macro ... ok
[INFO] [stdout] test term::tests::is_supercombinator ... ok
[INFO] [stdout] test term::tests::open_term_display ... ok
[INFO] [stdout] test term::tests::display_modes ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/lists-e28d1ec775b768e8
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test list_head ... ok
[INFO] [stdout] test list_tail ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/num-74996408a9132888
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test church_mul ... ok
[INFO] [stdout] test church_pow ... ok
[INFO] [stdout] test church_min ... ok
[INFO] [stdout] test church_max ... ok
[INFO] [stdout] test church_fac ... ok
[INFO] [stdout] test church_div ... ok
[INFO] [stdout] test church_add ... ok
[INFO] [stdout] test church_sub ... ok
[INFO] [stdout] test church_shl ... ok
[INFO] [stdout] test church_quot ... ok
[INFO] [stdout] test church_rem ... ok
[INFO] [stdout] test num_succ ... ok
[INFO] [stdout] test parigot_add ... ok
[INFO] [stdout] test num_pred ... ok
[INFO] [stdout] test parigot_mul ... ok
[INFO] [stdout] test scott_add ... ok
[INFO] [stdout] test church_shr ... ok
[INFO] [stdout] test scott_mul ... ok
[INFO] [stdout] test stumpfu_add ... ok
[INFO] [stdout] test parigot_sub ... ok
[INFO] [stdout] test stumpfu_mul ... ok
[INFO] [stdout] test scott_pow ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/option-72ee6a9046af85bc
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test option_and_then ... ok
[INFO] [stdout] test option_is_none ... ok
[INFO] [stdout] test option_is_some ... ok
[INFO] [stdout] test option_unwrap_or ... ok
[INFO] [stdout] test option_some ... ok
[INFO] [stdout] test option_map ... ok
[INFO] [stdout] test option_none ... ok
[INFO] [stdout] test option_map_or ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/pair_list-90b4cda64dc63a22
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test pair_list_head ... ok
[INFO] [stdout] test pair_list_replicate ... ok
[INFO] [stdout] test pair_list_index ... ok
[INFO] [stdout] test pair_list_drop ... ok
[INFO] [stdout] test pair_list_list ... ok
[INFO] [stdout] test pair_list_length ... ok
[INFO] [stdout] test pair_list_append ... ok
[INFO] [stdout] test pair_list_drop_while ... ok
[INFO] [stdout] test pair_list_tail ... ok
[INFO] [stdout] test pair_list_reverse ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/reduction-4ff968598486d5a2
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test reduction_huge ... ignored
[INFO] [stdout] test reduction_app ... ok
[INFO] [stdout] test reduction_cbn ... ok
[INFO] [stderr]      Running /opt/crater/target/debug/deps/signed-648b5e6de7ddaae9
[INFO] [stdout] test reduction_cbv ... ok
[INFO] [stdout] test reduction_nor ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test signed_modulus ... ok
[INFO] [stdout] test signed_neg ... ok
[INFO] [stdout] test signed_simplify ... ok
[INFO] [stdout] test signed_mul ... ok
[INFO] [stdout] test signed_sub ... ok
[INFO] [stdout] test signed_add ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lambda_calculus
[INFO] [stdout] 
[INFO] [stdout] running 177 tests
[INFO] [stderr] error: process didn't exit successfully: `rustdoc --test /opt/crater/workdir/src/lib.rs --crate-name lambda_calculus -L dependency=/opt/crater/target/debug/deps -L dependency=/opt/crater/target/debug/deps --cfg 'feature="encoding"' --cfg 'feature="default"' --extern lambda_calculus=/opt/crater/target/debug/deps/liblambda_calculus-541e6714d9765780.rlib` (signal: 9, SIGKILL: kill)
[INFO] running `"docker" "inspect" "154a19f6c6d918fa28fd6a5a4dfc214194cc98086b38f97b5a772e613e5d1ec1"`
[INFO] running `"docker" "rm" "-f" "154a19f6c6d918fa28fd6a5a4dfc214194cc98086b38f97b5a772e613e5d1ec1"`
[INFO] [stdout] 154a19f6c6d918fa28fd6a5a4dfc214194cc98086b38f97b5a772e613e5d1ec1