[INFO] cloning repository https://github.com/cronokirby/ovis
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cronokirby/ovis" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcronokirby%2Fovis", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcronokirby%2Fovis'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f261c175753b6589aecfc70b142bd8ab20c914d4
[INFO] testing cronokirby/ovis against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcronokirby%2Fovis" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cronokirby/ovis on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cronokirby/ovis
[INFO] finished tweaking git repo https://github.com/cronokirby/ovis
[INFO] tweaked toml for git repo https://github.com/cronokirby/ovis written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/cronokirby/ovis already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded peg v0.6.3
[INFO] [stderr]   Downloaded peg-macros v0.6.3
[INFO] [stderr]   Downloaded peg-runtime v0.6.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f778f34aaf3c18aa76183c963e685f96c0381335c8bed6630f8aca7e4c9786dc
[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" "f778f34aaf3c18aa76183c963e685f96c0381335c8bed6630f8aca7e4c9786dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f778f34aaf3c18aa76183c963e685f96c0381335c8bed6630f8aca7e4c9786dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f778f34aaf3c18aa76183c963e685f96c0381335c8bed6630f8aca7e4c9786dc", kill_on_drop: false }`
[INFO] [stdout] f778f34aaf3c18aa76183c963e685f96c0381335c8bed6630f8aca7e4c9786dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e78ee2e83ed62d86b4cbc5b1bd1da90b6da8c5ea3a03feb808754128b9c9e545
[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" "e78ee2e83ed62d86b4cbc5b1bd1da90b6da8c5ea3a03feb808754128b9c9e545", kill_on_drop: false }`
[INFO] [stderr]    Compiling peg-runtime v0.6.3
[INFO] [stderr]    Compiling peg-macros v0.6.3
[INFO] [stderr]    Compiling peg v0.6.3
[INFO] [stderr]    Compiling ovis v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `builtins`
[INFO] [stdout]    --> src/main.rs:131:28
[INFO] [stdout]     |
[INFO] [stdout] 131 |     let (simplified, dict, builtins) = simplifier::simplify(ast, &mut source);
[INFO] [stdout]     |                            ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_builtins`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/stg.rs:305:17
[INFO] [stdout]     |
[INFO] [stdout] 305 |             let name = source.next();
[INFO] [stdout]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `index`
[INFO] [stdout]    --> src/simplifier.rs:326:8
[INFO] [stdout]     |
[INFO] [stdout] 326 |     fn index(&self) -> usize {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ident`
[INFO] [stdout]    --> src/simplifier.rs:350:12
[INFO] [stdout]     |
[INFO] [stdout] 350 |     pub fn ident(&self, builtin: Builtin) -> Ident {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `No`
[INFO] [stdout]   --> src/stg.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     No,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.88s
[INFO] running `Command { std: "docker" "inspect" "e78ee2e83ed62d86b4cbc5b1bd1da90b6da8c5ea3a03feb808754128b9c9e545", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e78ee2e83ed62d86b4cbc5b1bd1da90b6da8c5ea3a03feb808754128b9c9e545", kill_on_drop: false }`
[INFO] [stdout] e78ee2e83ed62d86b4cbc5b1bd1da90b6da8c5ea3a03feb808754128b9c9e545
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e67968a088e21bd1983cafbbcf034fb79bd698b9b67114047b7d605caa97584b
[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" "e67968a088e21bd1983cafbbcf034fb79bd698b9b67114047b7d605caa97584b", kill_on_drop: false }`
[INFO] [stderr]    Compiling ovis v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `builtins`
[INFO] [stdout]    --> src/main.rs:131:28
[INFO] [stdout]     |
[INFO] [stdout] 131 |     let (simplified, dict, builtins) = simplifier::simplify(ast, &mut source);
[INFO] [stdout]     |                            ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_builtins`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/stg.rs:305:17
[INFO] [stdout]     |
[INFO] [stdout] 305 |             let name = source.next();
[INFO] [stdout]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `index`
[INFO] [stdout]    --> src/simplifier.rs:326:8
[INFO] [stdout]     |
[INFO] [stdout] 326 |     fn index(&self) -> usize {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ident`
[INFO] [stdout]    --> src/simplifier.rs:350:12
[INFO] [stdout]     |
[INFO] [stdout] 350 |     pub fn ident(&self, builtin: Builtin) -> Ident {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `No`
[INFO] [stdout]   --> src/stg.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     No,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.13s
[INFO] running `Command { std: "docker" "inspect" "e67968a088e21bd1983cafbbcf034fb79bd698b9b67114047b7d605caa97584b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e67968a088e21bd1983cafbbcf034fb79bd698b9b67114047b7d605caa97584b", kill_on_drop: false }`
[INFO] [stdout] e67968a088e21bd1983cafbbcf034fb79bd698b9b67114047b7d605caa97584b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2e8ff24cfbc8a80124b57a14ab25d82ba8301d227f52bcc1affab8819c62b217
[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" "2e8ff24cfbc8a80124b57a14ab25d82ba8301d227f52bcc1affab8819c62b217", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `builtins`
[INFO] [stderr]    --> src/main.rs:131:28
[INFO] [stderr]     |
[INFO] [stderr] 131 |     let (simplified, dict, builtins) = simplifier::simplify(ast, &mut source);
[INFO] [stderr]     |                            ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_builtins`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]    --> src/stg.rs:305:17
[INFO] [stderr]     |
[INFO] [stderr] 305 |             let name = source.next();
[INFO] [stderr]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `index`
[INFO] [stderr]    --> src/simplifier.rs:326:8
[INFO] [stderr]     |
[INFO] [stderr] 326 |     fn index(&self) -> usize {
[INFO] [stderr]     |        ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `ident`
[INFO] [stderr]    --> src/simplifier.rs:350:12
[INFO] [stderr]     |
[INFO] [stderr] 350 |     pub fn ident(&self, builtin: Builtin) -> Ident {
[INFO] [stderr]     |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `No`
[INFO] [stderr]   --> src/stg.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     No,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ovis-b34695982cceefa5
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] test lexer::test::lexing_numbers_works ... ok
[INFO] [stdout] test lexer::test::lexing_for_nested_layouts_works ... ok
[INFO] [stdout] test lexer::test::lexing_operators_works ... ok
[INFO] [stdout] test lexer::test::lexing_identifiers_works ... ok
[INFO] [stdout] test parser::test::let_expressions_can_parse ... ok
[INFO] [stdout] test parser::test::names_in_arithmetic_expressions_parse ... ok
[INFO] [stdout] test parser::test::parsing_arithmetic_works ... ok
[INFO] [stdout] test parser::test::polymorphic_schemes_parse ... ok
[INFO] [stdout] test parser::test::string_expressions_parse ... ok
[INFO] [stdout] test parser::test::lambda_expressions_parse ... ok
[INFO] [stdout] test lexer::test::lexing_strings_works ... ok
[INFO] [stdout] test parser::test::type_definitions_parse ... ok
[INFO] [stdout] test lexer::test::lexing_schemes_works ... ok
[INFO] [stdout] test parser::test::multiple_applications_parse ... ok
[INFO] [stdout] test parser::test::operators_work ... ok
[INFO] [stdout] test parser::test::unary_minus_and_binary_minus_work ... ok
[INFO] [stdout] test typer::test::polymorphism_works ... ok
[INFO] [stdout] test typer::test::mutual_definitions_work ... ok
[INFO] [stdout] test parser::test::parsing_numbers_works ... ok
[INFO] [stdout] test parser::test::multiple_definitions_parse ... ok
[INFO] [stdout] test typer::test::arithmetic_type_checks ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2e8ff24cfbc8a80124b57a14ab25d82ba8301d227f52bcc1affab8819c62b217", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e8ff24cfbc8a80124b57a14ab25d82ba8301d227f52bcc1affab8819c62b217", kill_on_drop: false }`
[INFO] [stdout] 2e8ff24cfbc8a80124b57a14ab25d82ba8301d227f52bcc1affab8819c62b217