[INFO] cloning repository https://github.com/nankeen/sauvignon
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nankeen/sauvignon" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnankeen%2Fsauvignon", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnankeen%2Fsauvignon'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8fc526ab2e7e8a0fb3255b527b0d1baed3705e05
[INFO] testing nankeen/sauvignon against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnankeen%2Fsauvignon" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nankeen/sauvignon on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nankeen/sauvignon
[INFO] finished tweaking git repo https://github.com/nankeen/sauvignon
[INFO] tweaked toml for git repo https://github.com/nankeen/sauvignon written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/nankeen/sauvignon already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fabbdfe9248ff9bb560840c67259ad7f2e48dbbc03a45b826a3582fd0e2e209e
[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" "fabbdfe9248ff9bb560840c67259ad7f2e48dbbc03a45b826a3582fd0e2e209e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fabbdfe9248ff9bb560840c67259ad7f2e48dbbc03a45b826a3582fd0e2e209e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fabbdfe9248ff9bb560840c67259ad7f2e48dbbc03a45b826a3582fd0e2e209e", kill_on_drop: false }`
[INFO] [stdout] fabbdfe9248ff9bb560840c67259ad7f2e48dbbc03a45b826a3582fd0e2e209e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] aa381dee7fce2c0491de9616a20ca720ebdbb38ceac23859cfc8ca2573c7a41b
[INFO] running `Command { std: "docker" "start" "-a" "aa381dee7fce2c0491de9616a20ca720ebdbb38ceac23859cfc8ca2573c7a41b", kill_on_drop: false }`
[INFO] [stderr]    Compiling sauvignon v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.42s
[INFO] running `Command { std: "docker" "inspect" "aa381dee7fce2c0491de9616a20ca720ebdbb38ceac23859cfc8ca2573c7a41b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa381dee7fce2c0491de9616a20ca720ebdbb38ceac23859cfc8ca2573c7a41b", kill_on_drop: false }`
[INFO] [stdout] aa381dee7fce2c0491de9616a20ca720ebdbb38ceac23859cfc8ca2573c7a41b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 168902c40f7235ad2556657d8d4d71d0229c47343c6a20cd9f1f698a3bb504e7
[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" "168902c40f7235ad2556657d8d4d71d0229c47343c6a20cd9f1f698a3bb504e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling sauvignon v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.22s
[INFO] running `Command { std: "docker" "inspect" "168902c40f7235ad2556657d8d4d71d0229c47343c6a20cd9f1f698a3bb504e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "168902c40f7235ad2556657d8d4d71d0229c47343c6a20cd9f1f698a3bb504e7", kill_on_drop: false }`
[INFO] [stdout] 168902c40f7235ad2556657d8d4d71d0229c47343c6a20cd9f1f698a3bb504e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] 39b89b1cdc10bdcb228563bb3bc7516d3e5f6ef5cc524e91af8a0507ea97a2e5
[INFO] running `Command { std: "docker" "start" "-a" "39b89b1cdc10bdcb228563bb3bc7516d3e5f6ef5cc524e91af8a0507ea97a2e5", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 32 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sauvignon-691f5269026a8dd2)
[INFO] [stdout] test evaluator::tests::test_eval_array ... ok
[INFO] [stdout] test evaluator::tests::test_eval_hash ... ok
[INFO] [stdout] test evaluator::tests::test_eval_infix_int ... ok
[INFO] [stdout] test evaluator::tests::test_eval_string_concat ... ok
[INFO] [stdout] test evaluator::tests::test_eval_index ... ok
[INFO] [stdout] test evaluator::tests::test_let_statements ... ok
[INFO] [stdout] test parser::tests::test_array_expr ... ok
[INFO] [stdout] test evaluator::tests::test_if_else ... ok
[INFO] [stdout] test evaluator::tests::test_eval_infix_bool ... ok
[INFO] [stdout] test parser::tests::test_boolean_expr ... ok
[INFO] [stdout] test evaluator::tests::test_return_statements ... ok
[INFO] [stdout] test parser::tests::test_fn_literal_expr ... ok
[INFO] [stdout] test parser::tests::test_index_expr ... ok
[INFO] [stdout] test lexer::tests::test_next_token ... ok
[INFO] [stdout] test parser::tests::test_infix_expr ... ok
[INFO] [stdout] test parser::tests::test_let_statements ... ok
[INFO] [stdout] test evaluator::tests::test_eval_prefix ... ok
[INFO] [stdout] test evaluator::tests::test_eval_recursion ... ok
[INFO] [stdout] test evaluator::tests::test_eval_function ... ok
[INFO] [stdout] test evaluator::tests::test_eval_simple_expression ... ok
[INFO] [stdout] test evaluator::tests::test_eval_string ... ok
[INFO] [stdout] test parser::tests::test_call_expr ... ok
[INFO] [stdout] test evaluator::tests::test_eval_builtinfunctions ... ok
[INFO] [stdout] test parser::tests::test_precedence_expr ... ok
[INFO] [stdout] test parser::tests::test_integer_expr ... ok
[INFO] [stdout] test parser::tests::test_prefix_expr ... ok
[INFO] [stdout] test parser::tests::test_hash_expr ... ok
[INFO] [stdout] test parser::tests::test_identifier_expr ... ok
[INFO] [stdout] test parser::tests::test_if_else_expr ... ok
[INFO] [stdout] test parser::tests::test_if_expr ... ok
[INFO] [stdout] test parser::tests::test_string_expr ... ok
[INFO] [stdout] test parser::tests::test_return_statements ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 32 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "39b89b1cdc10bdcb228563bb3bc7516d3e5f6ef5cc524e91af8a0507ea97a2e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39b89b1cdc10bdcb228563bb3bc7516d3e5f6ef5cc524e91af8a0507ea97a2e5", kill_on_drop: false }`
[INFO] [stdout] 39b89b1cdc10bdcb228563bb3bc7516d3e5f6ef5cc524e91af8a0507ea97a2e5