[INFO] updating cached repository https://github.com/nilsmartel/learn-compiler
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1163962e7dac6203eee12743be39a1d3ecc4db64
[INFO] testing nilsmartel/learn-compiler against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnilsmartel%2Flearn-compiler" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nilsmartel/learn-compiler on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/nilsmartel/learn-compiler
[INFO] finished tweaking git repo https://github.com/nilsmartel/learn-compiler
[INFO] tweaked toml for git repo https://github.com/nilsmartel/learn-compiler written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/nilsmartel/learn-compiler already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8b289e50dbb923b52487985bf364d7a96e57d449fa267c96ecc98d1175b11e35
[INFO] running `"docker" "start" "-a" "8b289e50dbb923b52487985bf364d7a96e57d449fa267c96ecc98d1175b11e35"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling static_assertions v0.3.4
[INFO] [stderr]    Compiling nom v5.1.1
[INFO] [stderr]    Compiling lexical-core v0.6.7
[INFO] [stderr]    Compiling learn-compiler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/parse/tuple.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn new() -> Tuple {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.36s
[INFO] running `"docker" "inspect" "8b289e50dbb923b52487985bf364d7a96e57d449fa267c96ecc98d1175b11e35"`
[INFO] running `"docker" "rm" "-f" "8b289e50dbb923b52487985bf364d7a96e57d449fa267c96ecc98d1175b11e35"`
[INFO] [stdout] 8b289e50dbb923b52487985bf364d7a96e57d449fa267c96ecc98d1175b11e35
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f5bd661426a70e2b4da1d0774d0dba5138d40524882930f2734ff3d909801623
[INFO] running `"docker" "start" "-a" "f5bd661426a70e2b4da1d0774d0dba5138d40524882930f2734ff3d909801623"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling learn-compiler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.76s
[INFO] running `"docker" "inspect" "f5bd661426a70e2b4da1d0774d0dba5138d40524882930f2734ff3d909801623"`
[INFO] running `"docker" "rm" "-f" "f5bd661426a70e2b4da1d0774d0dba5138d40524882930f2734ff3d909801623"`
[INFO] [stdout] f5bd661426a70e2b4da1d0774d0dba5138d40524882930f2734ff3d909801623
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stdout] fe25634152ffa27d411b7983f3f8795138bd21bb1a74f1821e4b5e7883d55679
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "fe25634152ffa27d411b7983f3f8795138bd21bb1a74f1821e4b5e7883d55679"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/learn_compiler-6c87061ffb58497c
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] test parse::statement_tests::test_let_assign_expression ... ok
[INFO] [stdout] test parse::statement_tests::test_let ... ok
[INFO] [stdout] test parse::tests::function_simple ... ok
[INFO] [stdout] test parse::tuple::tests::empty_tuple ... ok
[INFO] [stdout] test parse::util::tests::delimited1 ... ok
[INFO] [stdout] test parse::expression::test_expression::literal ... ok
[INFO] [stdout] test parse::keyword::tests::keywords ... ok
[INFO] [stdout] test parse::literal::literal_tests::function ... ok
[INFO] [stdout] test parse::bodytests::simple_body ... ok
[INFO] [stdout] test parse::literal::literal_tests::variable ... ok
[INFO] [stdout] test parse::util::tests::delimited2 ... ok
[INFO] [stdout] test parse::value::test::float ... ok
[INFO] [stdout] test parse::ident_tests::simple ... ok
[INFO] [stdout] test parse::value::test::int ... ok
[INFO] [stdout] test parse::value::test::bool ... ok
[INFO] [stdout] test parse::expression::test_expression::value ... ok
[INFO] [stdout] test parse::statement_tests::test_while ... ok
[INFO] [stdout] test parse::bodytests::complex_body ... ok
[INFO] [stdout] test parse::statement_tests::test_if ... ok
[INFO] [stdout] test parse::statement_tests::test_if_else ... ok
[INFO] [stdout] test parse::tests::fibonacci_sample ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "fe25634152ffa27d411b7983f3f8795138bd21bb1a74f1821e4b5e7883d55679"`
[INFO] running `"docker" "rm" "-f" "fe25634152ffa27d411b7983f3f8795138bd21bb1a74f1821e4b5e7883d55679"`
[INFO] [stdout] fe25634152ffa27d411b7983f3f8795138bd21bb1a74f1821e4b5e7883d55679