[INFO] cloning repository https://github.com/mcastorina/burn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mcastorina/burn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmcastorina%2Fburn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmcastorina%2Fburn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4a7a6527c9015b5fc936fa0e63da4e6f7f5f2d63
[INFO] testing mcastorina/burn against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmcastorina%2Fburn" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mcastorina/burn on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mcastorina/burn
[INFO] finished tweaking git repo https://github.com/mcastorina/burn
[INFO] tweaked toml for git repo https://github.com/mcastorina/burn written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/mcastorina/burn already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded beef v0.5.1
[INFO] [stderr]   Downloaded utf8-ranges v1.0.4
[INFO] [stderr]   Downloaded logos-derive v0.12.0
[INFO] [stderr]   Downloaded logos v0.12.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", 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] 446e46d689c61f54de86c5bc02ed3d81d2d0ff73d8bfb38f446468076a1d1b24
[INFO] running `Command { std: "docker" "start" "-a" "446e46d689c61f54de86c5bc02ed3d81d2d0ff73d8bfb38f446468076a1d1b24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "446e46d689c61f54de86c5bc02ed3d81d2d0ff73d8bfb38f446468076a1d1b24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "446e46d689c61f54de86c5bc02ed3d81d2d0ff73d8bfb38f446468076a1d1b24", kill_on_drop: false }`
[INFO] [stdout] 446e46d689c61f54de86c5bc02ed3d81d2d0ff73d8bfb38f446468076a1d1b24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b562da5658bc52a97489e270dd59201986e6fdc07d7e8098d4fdd4206183755
[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" "2b562da5658bc52a97489e270dd59201986e6fdc07d7e8098d4fdd4206183755", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling beef v0.5.1
[INFO] [stderr]    Compiling logos-derive v0.12.0
[INFO] [stderr]    Compiling logos v0.12.0
[INFO] [stderr]    Compiling burn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `block`
[INFO] [stdout]    --> src/checker/mod.rs:116:31
[INFO] [stdout]     |
[INFO] [stdout] 116 |     fn check_block(&mut self, block: &Vec<ast::Stmt>) {}
[INFO] [stdout]     |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_block`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `fn_names`
[INFO] [stdout]   --> src/checker/mod.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn_names: HashMap<String, FnInfo>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `input_params`
[INFO] [stdout]   --> src/checker/mod.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     input_params: Vec<ast::Type>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `output_params`
[INFO] [stdout]   --> src/checker/mod.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     output_params: Vec<ast::Type>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.82s
[INFO] running `Command { std: "docker" "inspect" "2b562da5658bc52a97489e270dd59201986e6fdc07d7e8098d4fdd4206183755", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b562da5658bc52a97489e270dd59201986e6fdc07d7e8098d4fdd4206183755", kill_on_drop: false }`
[INFO] [stdout] 2b562da5658bc52a97489e270dd59201986e6fdc07d7e8098d4fdd4206183755
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--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] adce32f23b2eb7d7043bd0ac9d070793aa3c5393831fb2de06852b0747ad468c
[INFO] running `Command { std: "docker" "start" "-a" "adce32f23b2eb7d7043bd0ac9d070793aa3c5393831fb2de06852b0747ad468c", kill_on_drop: false }`
[INFO] [stderr]    Compiling burn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `block`
[INFO] [stdout]    --> src/checker/mod.rs:116:31
[INFO] [stdout]     |
[INFO] [stdout] 116 |     fn check_block(&mut self, block: &Vec<ast::Stmt>) {}
[INFO] [stdout]     |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_block`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `fn_names`
[INFO] [stdout]   --> src/checker/mod.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn_names: HashMap<String, FnInfo>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `input_params`
[INFO] [stdout]   --> src/checker/mod.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     input_params: Vec<ast::Type>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `output_params`
[INFO] [stdout]   --> src/checker/mod.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     output_params: Vec<ast::Type>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `block`
[INFO] [stdout]    --> src/checker/mod.rs:116:31
[INFO] [stdout]     |
[INFO] [stdout] 116 |     fn check_block(&mut self, block: &Vec<ast::Stmt>) {}
[INFO] [stdout]     |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_block`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `fn_names`
[INFO] [stdout]   --> src/checker/mod.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn_names: HashMap<String, FnInfo>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `input_params`
[INFO] [stdout]   --> src/checker/mod.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     input_params: Vec<ast::Type>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `output_params`
[INFO] [stdout]   --> src/checker/mod.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     output_params: Vec<ast::Type>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.86s
[INFO] running `Command { std: "docker" "inspect" "adce32f23b2eb7d7043bd0ac9d070793aa3c5393831fb2de06852b0747ad468c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adce32f23b2eb7d7043bd0ac9d070793aa3c5393831fb2de06852b0747ad468c", kill_on_drop: false }`
[INFO] [stdout] adce32f23b2eb7d7043bd0ac9d070793aa3c5393831fb2de06852b0747ad468c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 22604d9f8f7cc507a21096a555e5f8b75bb9091478d6a108a4c56a1dc98b01d2
[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" "22604d9f8f7cc507a21096a555e5f8b75bb9091478d6a108a4c56a1dc98b01d2", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `block`
[INFO] [stderr]    --> src/checker/mod.rs:116:31
[INFO] [stderr]     |
[INFO] [stderr] 116 |     fn check_block(&mut self, block: &Vec<ast::Stmt>) {}
[INFO] [stderr]     |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_block`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `fn_names`
[INFO] [stderr]   --> src/checker/mod.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     fn_names: HashMap<String, FnInfo>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `input_params`
[INFO] [stderr]   --> src/checker/mod.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     input_params: Vec<ast::Type>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `output_params`
[INFO] [stderr]   --> src/checker/mod.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     output_params: Vec<ast::Type>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `burn` (lib) generated 4 warnings
[INFO] [stderr] warning: `burn` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/burn-a97ed41e2eeab5e0)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/burn-222ddb03839241ed)
[INFO] [stdout] test lexer::tokens::display ... ok
[INFO] [stdout] test parser::ast::display ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]      Running tests/checker.rs (/opt/rustwide/target/debug/deps/checker-a8f4dd0d98cd5a15)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test check_fn_names_unique ... ok
[INFO] [stdout] test check_fn_param_names_unique ... ok
[INFO] [stdout] test check_fn_arity ... ok
[INFO] [stdout] test check_fn_param_types_valid ... ok
[INFO] [stdout] test check_fn_param_types_invalid - should panic ... ok
[INFO] [stdout] test check_fn_param_names_not_unique - should panic ... ok
[INFO] [stdout] test check_fn_names_not_unique - should panic ... ok
[INFO] [stdout] test check_no_main - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/parser.rs (/opt/rustwide/target/debug/deps/parser-b5b0ea951f85eda3)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stderr]    Doc-tests burn
[INFO] [stdout] test parse_binary_expressions ... ok
[INFO] [stdout] test parse_idents ... ok
[INFO] [stdout] test parse_literals ... ok
[INFO] [stdout] test parse_comparisons ... ok
[INFO] [stdout] test parse_arithmetic ... ok
[INFO] [stdout] test parse_dot_operator ... ok
[INFO] [stdout] test parse_types ... ok
[INFO] [stdout] test parse_for ... ok
[INFO] [stdout] test parse_statements ... ok
[INFO] [stdout] test parse_fns ... ok
[INFO] [stdout] test parse_fn_calls ... ok
[INFO] [stdout] test parse_file ... ok
[INFO] [stdout] test parse_method_calls ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "22604d9f8f7cc507a21096a555e5f8b75bb9091478d6a108a4c56a1dc98b01d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22604d9f8f7cc507a21096a555e5f8b75bb9091478d6a108a4c56a1dc98b01d2", kill_on_drop: false }`
[INFO] [stdout] 22604d9f8f7cc507a21096a555e5f8b75bb9091478d6a108a4c56a1dc98b01d2