[INFO] cloning repository https://github.com/nilsmartel/learn-compiler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nilsmartel/learn-compiler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnilsmartel%2Flearn-compiler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnilsmartel%2Flearn-compiler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1163962e7dac6203eee12743be39a1d3ecc4db64
[INFO] testing nilsmartel/learn-compiler against 1.52.1 for beta-1.52-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnilsmartel%2Flearn-compiler" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[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 1.52.1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.52.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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 `Command { std: "/workspace/cargo-home/bin/cargo" "+1.52.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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" "+1.52.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a0de2ff5fb776f641770fbc4a38978f4b81b77062482426c15d8e7472d56f930
[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" "a0de2ff5fb776f641770fbc4a38978f4b81b77062482426c15d8e7472d56f930", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0de2ff5fb776f641770fbc4a38978f4b81b77062482426c15d8e7472d56f930", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0de2ff5fb776f641770fbc4a38978f4b81b77062482426c15d8e7472d56f930", kill_on_drop: false }`
[INFO] [stdout] a0de2ff5fb776f641770fbc4a38978f4b81b77062482426c15d8e7472d56f930
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 56221b2fe8086a852f37cae9cc1c639ebd9f33fd2fc2b5c98cc8dc53103a421d
[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" "56221b2fe8086a852f37cae9cc1c639ebd9f33fd2fc2b5c98cc8dc53103a421d", kill_on_drop: false }`
[INFO] [stderr]    Compiling lexical-core v0.6.7
[INFO] [stderr]    Compiling nom v5.1.1
[INFO] [stderr]    Compiling learn-compiler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/parse/tuple.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn new() -> Tuple {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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 8.86s
[INFO] running `Command { std: "docker" "inspect" "56221b2fe8086a852f37cae9cc1c639ebd9f33fd2fc2b5c98cc8dc53103a421d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56221b2fe8086a852f37cae9cc1c639ebd9f33fd2fc2b5c98cc8dc53103a421d", kill_on_drop: false }`
[INFO] [stdout] 56221b2fe8086a852f37cae9cc1c639ebd9f33fd2fc2b5c98cc8dc53103a421d
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5158515053d9cbc28683e1372348664abfdc7ee15aec664bb6017f2a56851e78
[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" "5158515053d9cbc28683e1372348664abfdc7ee15aec664bb6017f2a56851e78", kill_on_drop: false }`
[INFO] [stderr]    Compiling learn-compiler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.90s
[INFO] running `Command { std: "docker" "inspect" "5158515053d9cbc28683e1372348664abfdc7ee15aec664bb6017f2a56851e78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5158515053d9cbc28683e1372348664abfdc7ee15aec664bb6017f2a56851e78", kill_on_drop: false }`
[INFO] [stdout] 5158515053d9cbc28683e1372348664abfdc7ee15aec664bb6017f2a56851e78
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "test" "--frozen", 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] 5c1e2014c7d7adb6d0e2d622f29e5cf1f3ddf36a049737315b33e13c7c6a0486
[INFO] running `Command { std: "docker" "start" "-a" "5c1e2014c7d7adb6d0e2d622f29e5cf1f3ddf36a049737315b33e13c7c6a0486", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/learn_compiler-f377daf66924846e)
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] test parse::ident_tests::simple ... ok
[INFO] [stdout] test parse::expression::test_expression::literal ... ok
[INFO] [stdout] test parse::tuple::tests::empty_tuple ... ok
[INFO] [stdout] test parse::literal::literal_tests::function ... ok
[INFO] [stdout] test parse::tests::function_simple ... ok
[INFO] [stdout] test parse::literal::literal_tests::variable ... ok
[INFO] [stdout] test parse::tests::fibonacci_sample ... ok
[INFO] [stdout] test parse::statement_tests::test_while ... ok
[INFO] [stdout] test parse::statement_tests::test_let_assign_expression ... ok
[INFO] [stdout] test parse::keyword::tests::keywords ... ok
[INFO] [stdout] test parse::bodytests::simple_body ... ok
[INFO] [stdout] test parse::statement_tests::test_if ... ok
[INFO] [stdout] test parse::util::tests::delimited1 ... ok
[INFO] [stdout] test parse::value::test::bool ... ok
[INFO] [stdout] test parse::value::test::float ... ok
[INFO] [stdout] test parse::statement_tests::test_if_else ... ok
[INFO] [stdout] test parse::value::test::int ... ok
[INFO] [stdout] test parse::statement_tests::test_let ... ok
[INFO] [stdout] test parse::util::tests::delimited2 ... ok
[INFO] [stdout] test parse::expression::test_expression::value ... ok
[INFO] [stdout] test parse::bodytests::complex_body ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5c1e2014c7d7adb6d0e2d622f29e5cf1f3ddf36a049737315b33e13c7c6a0486", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c1e2014c7d7adb6d0e2d622f29e5cf1f3ddf36a049737315b33e13c7c6a0486", kill_on_drop: false }`
[INFO] [stdout] 5c1e2014c7d7adb6d0e2d622f29e5cf1f3ddf36a049737315b33e13c7c6a0486