[INFO] cloning repository https://github.com/NatTuck/meatball
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NatTuck/meatball" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNatTuck%2Fmeatball", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNatTuck%2Fmeatball'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 14c81418bb1aaeea96385cbe7bc05cd465dfce2f
[INFO] testing NatTuck/meatball against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNatTuck%2Fmeatball" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/NatTuck/meatball on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/NatTuck/meatball
[INFO] finished tweaking git repo https://github.com/NatTuck/meatball
[INFO] tweaked toml for git repo https://github.com/NatTuck/meatball written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/NatTuck/meatball already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 26cc6079fe0574eea124f8dae5a793e5b4e8fe83d787a00827ebc57430100754
[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" "26cc6079fe0574eea124f8dae5a793e5b4e8fe83d787a00827ebc57430100754", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26cc6079fe0574eea124f8dae5a793e5b4e8fe83d787a00827ebc57430100754", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26cc6079fe0574eea124f8dae5a793e5b4e8fe83d787a00827ebc57430100754", kill_on_drop: false }`
[INFO] [stdout] 26cc6079fe0574eea124f8dae5a793e5b4e8fe83d787a00827ebc57430100754
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 452de312216763301f68b2572945f64fd30ca9403be907a31dc64170e4f51bc9
[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" "452de312216763301f68b2572945f64fd30ca9403be907a31dc64170e4f51bc9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.42
[INFO] [stderr]    Compiling cc v1.0.18
[INFO] [stderr]    Compiling cfg-if v0.1.4
[INFO] [stderr]    Compiling regex v1.0.2
[INFO] [stderr]    Compiling rustc-demangle v0.1.9
[INFO] [stderr]    Compiling lazy_static v1.0.2
[INFO] [stderr]    Compiling ucd-util v0.1.1
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]    Compiling regex-syntax v0.6.2
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.23
[INFO] [stderr]    Compiling aho-corasick v0.6.6
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling failure v0.1.1
[INFO] [stderr]    Compiling meatball v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `builtins::Builtin`
[INFO] [stdout]  --> src/program.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use builtins::Builtin;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/parse.rs:89:5
[INFO] [stdout]    |
[INFO] [stdout] 89 | /     lazy_static! {
[INFO] [stdout] 90 | |         static ref WSP: Regex = Regex::new(r"^\s+").unwrap();
[INFO] [stdout] 91 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/parse.rs:115:5
[INFO] [stdout]     |
[INFO] [stdout] 115 | /     lazy_static! {
[INFO] [stdout] 116 | |         static ref PAR: Regex = Regex::new(r"^[\(\[\)\]]").unwrap();
[INFO] [stdout] 117 | |         static ref F64: Regex = Regex::new(r"^\d+\.\d*").unwrap();
[INFO] [stdout] 118 | |         static ref I64: Regex = Regex::new(r"^\d+").unwrap();
[INFO] [stdout] 119 | |         static ref SYM: Regex =
[INFO] [stdout] 120 | |             Regex::new(r#"^[\p{L}_+\-!?][\p{L}\p{N}_+\-!?]*"#).unwrap();
[INFO] [stdout] 121 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/parse.rs:115:5
[INFO] [stdout]     |
[INFO] [stdout] 115 | /     lazy_static! {
[INFO] [stdout] 116 | |         static ref PAR: Regex = Regex::new(r"^[\(\[\)\]]").unwrap();
[INFO] [stdout] 117 | |         static ref F64: Regex = Regex::new(r"^\d+\.\d*").unwrap();
[INFO] [stdout] 118 | |         static ref I64: Regex = Regex::new(r"^\d+").unwrap();
[INFO] [stdout] 119 | |         static ref SYM: Regex =
[INFO] [stdout] 120 | |             Regex::new(r#"^[\p{L}_+\-!?][\p{L}\p{N}_+\-!?]*"#).unwrap();
[INFO] [stdout] 121 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/parse.rs:115:5
[INFO] [stdout]     |
[INFO] [stdout] 115 | /     lazy_static! {
[INFO] [stdout] 116 | |         static ref PAR: Regex = Regex::new(r"^[\(\[\)\]]").unwrap();
[INFO] [stdout] 117 | |         static ref F64: Regex = Regex::new(r"^\d+\.\d*").unwrap();
[INFO] [stdout] 118 | |         static ref I64: Regex = Regex::new(r"^\d+").unwrap();
[INFO] [stdout] 119 | |         static ref SYM: Regex =
[INFO] [stdout] 120 | |             Regex::new(r#"^[\p{L}_+\-!?][\p{L}\p{N}_+\-!?]*"#).unwrap();
[INFO] [stdout] 121 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/parse.rs:115:5
[INFO] [stdout]     |
[INFO] [stdout] 115 | /     lazy_static! {
[INFO] [stdout] 116 | |         static ref PAR: Regex = Regex::new(r"^[\(\[\)\]]").unwrap();
[INFO] [stdout] 117 | |         static ref F64: Regex = Regex::new(r"^\d+\.\d*").unwrap();
[INFO] [stdout] 118 | |         static ref I64: Regex = Regex::new(r"^\d+").unwrap();
[INFO] [stdout] 119 | |         static ref SYM: Regex =
[INFO] [stdout] 120 | |             Regex::new(r#"^[\p{L}_+\-!?][\p{L}\p{N}_+\-!?]*"#).unwrap();
[INFO] [stdout] 121 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `zero_expr`
[INFO] [stdout]   --> src/parse.rs:46:8
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub fn zero_expr() -> Ast {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Cond`
[INFO] [stdout]   --> src/program.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     Cond(Vec<(Expr, Expr)>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Expr` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/program.rs:25:10
[INFO] [stdout]    |
[INFO] [stdout] 25 | #[derive(Clone, Debug, PartialOrd, PartialEq)]
[INFO] [stdout]    |          ^^^^^  ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Func`
[INFO] [stdout]   --> src/program.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     Func(Box<Func>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Expr` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/program.rs:25:10
[INFO] [stdout]    |
[INFO] [stdout] 25 | #[derive(Clone, Debug, PartialOrd, PartialEq)]
[INFO] [stdout]    |          ^^^^^  ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `ast2var`
[INFO] [stdout]   --> src/program.rs:80:4
[INFO] [stdout]    |
[INFO] [stdout] 80 | fn ast2var(ast: &[Ast]) -> Result<(String, Expr)> {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.87s
[INFO] running `Command { std: "docker" "inspect" "452de312216763301f68b2572945f64fd30ca9403be907a31dc64170e4f51bc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "452de312216763301f68b2572945f64fd30ca9403be907a31dc64170e4f51bc9", kill_on_drop: false }`
[INFO] [stdout] 452de312216763301f68b2572945f64fd30ca9403be907a31dc64170e4f51bc9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "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] 91c65586e43052b742e2accc1df734f8639ee200aec10b5b1a205e93a8c4bbf4
[INFO] running `Command { std: "docker" "start" "-a" "91c65586e43052b742e2accc1df734f8639ee200aec10b5b1a205e93a8c4bbf4", kill_on_drop: false }`
[INFO] [stderr]    Compiling meatball v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `builtins::Builtin`
[INFO] [stdout]  --> src/program.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use builtins::Builtin;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/parse.rs:89:5
[INFO] [stdout]    |
[INFO] [stdout] 89 | /     lazy_static! {
[INFO] [stdout] 90 | |         static ref WSP: Regex = Regex::new(r"^\s+").unwrap();
[INFO] [stdout] 91 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/parse.rs:115:5
[INFO] [stdout]     |
[INFO] [stdout] 115 | /     lazy_static! {
[INFO] [stdout] 116 | |         static ref PAR: Regex = Regex::new(r"^[\(\[\)\]]").unwrap();
[INFO] [stdout] 117 | |         static ref F64: Regex = Regex::new(r"^\d+\.\d*").unwrap();
[INFO] [stdout] 118 | |         static ref I64: Regex = Regex::new(r"^\d+").unwrap();
[INFO] [stdout] 119 | |         static ref SYM: Regex =
[INFO] [stdout] 120 | |             Regex::new(r#"^[\p{L}_+\-!?][\p{L}\p{N}_+\-!?]*"#).unwrap();
[INFO] [stdout] 121 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/parse.rs:115:5
[INFO] [stdout]     |
[INFO] [stdout] 115 | /     lazy_static! {
[INFO] [stdout] 116 | |         static ref PAR: Regex = Regex::new(r"^[\(\[\)\]]").unwrap();
[INFO] [stdout] 117 | |         static ref F64: Regex = Regex::new(r"^\d+\.\d*").unwrap();
[INFO] [stdout] 118 | |         static ref I64: Regex = Regex::new(r"^\d+").unwrap();
[INFO] [stdout] 119 | |         static ref SYM: Regex =
[INFO] [stdout] 120 | |             Regex::new(r#"^[\p{L}_+\-!?][\p{L}\p{N}_+\-!?]*"#).unwrap();
[INFO] [stdout] 121 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/parse.rs:115:5
[INFO] [stdout]     |
[INFO] [stdout] 115 | /     lazy_static! {
[INFO] [stdout] 116 | |         static ref PAR: Regex = Regex::new(r"^[\(\[\)\]]").unwrap();
[INFO] [stdout] 117 | |         static ref F64: Regex = Regex::new(r"^\d+\.\d*").unwrap();
[INFO] [stdout] 118 | |         static ref I64: Regex = Regex::new(r"^\d+").unwrap();
[INFO] [stdout] 119 | |         static ref SYM: Regex =
[INFO] [stdout] 120 | |             Regex::new(r#"^[\p{L}_+\-!?][\p{L}\p{N}_+\-!?]*"#).unwrap();
[INFO] [stdout] 121 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/parse.rs:115:5
[INFO] [stdout]     |
[INFO] [stdout] 115 | /     lazy_static! {
[INFO] [stdout] 116 | |         static ref PAR: Regex = Regex::new(r"^[\(\[\)\]]").unwrap();
[INFO] [stdout] 117 | |         static ref F64: Regex = Regex::new(r"^\d+\.\d*").unwrap();
[INFO] [stdout] 118 | |         static ref I64: Regex = Regex::new(r"^\d+").unwrap();
[INFO] [stdout] 119 | |         static ref SYM: Regex =
[INFO] [stdout] 120 | |             Regex::new(r#"^[\p{L}_+\-!?][\p{L}\p{N}_+\-!?]*"#).unwrap();
[INFO] [stdout] 121 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `zero_expr`
[INFO] [stdout]   --> src/parse.rs:46:8
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub fn zero_expr() -> Ast {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Cond`
[INFO] [stdout]   --> src/program.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     Cond(Vec<(Expr, Expr)>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Expr` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/program.rs:25:10
[INFO] [stdout]    |
[INFO] [stdout] 25 | #[derive(Clone, Debug, PartialOrd, PartialEq)]
[INFO] [stdout]    |          ^^^^^  ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Func`
[INFO] [stdout]   --> src/program.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     Func(Box<Func>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Expr` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/program.rs:25:10
[INFO] [stdout]    |
[INFO] [stdout] 25 | #[derive(Clone, Debug, PartialOrd, PartialEq)]
[INFO] [stdout]    |          ^^^^^  ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `ast2var`
[INFO] [stdout]   --> src/program.rs:80:4
[INFO] [stdout]    |
[INFO] [stdout] 80 | fn ast2var(ast: &[Ast]) -> Result<(String, Expr)> {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.49s
[INFO] running `Command { std: "docker" "inspect" "91c65586e43052b742e2accc1df734f8639ee200aec10b5b1a205e93a8c4bbf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91c65586e43052b742e2accc1df734f8639ee200aec10b5b1a205e93a8c4bbf4", kill_on_drop: false }`
[INFO] [stdout] 91c65586e43052b742e2accc1df734f8639ee200aec10b5b1a205e93a8c4bbf4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "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] 6d1b5b9ada3ee57b8613dd015e0c03df9274a0cb9be62999897ecad9d70f8380
[INFO] running `Command { std: "docker" "start" "-a" "6d1b5b9ada3ee57b8613dd015e0c03df9274a0cb9be62999897ecad9d70f8380", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `builtins::Builtin`
[INFO] [stderr]  --> src/program.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use builtins::Builtin;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stderr]   --> src/parse.rs:89:5
[INFO] [stderr]    |
[INFO] [stderr] 89 | /     lazy_static! {
[INFO] [stderr] 90 | |         static ref WSP: Regex = Regex::new(r"^\s+").unwrap();
[INFO] [stderr] 91 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stderr]    --> src/parse.rs:115:5
[INFO] [stderr]     |
[INFO] [stderr] 115 | /     lazy_static! {
[INFO] [stderr] 116 | |         static ref PAR: Regex = Regex::new(r"^[\(\[\)\]]").unwrap();
[INFO] [stderr] 117 | |         static ref F64: Regex = Regex::new(r"^\d+\.\d*").unwrap();
[INFO] [stderr] 118 | |         static ref I64: Regex = Regex::new(r"^\d+").unwrap();
[INFO] [stderr] 119 | |         static ref SYM: Regex =
[INFO] [stderr] 120 | |             Regex::new(r#"^[\p{L}_+\-!?][\p{L}\p{N}_+\-!?]*"#).unwrap();
[INFO] [stderr] 121 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `zero_expr`
[INFO] [stderr]   --> src/parse.rs:46:8
[INFO] [stderr]    |
[INFO] [stderr] 46 | pub fn zero_expr() -> Ast {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Cond`
[INFO] [stderr]   --> src/program.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     Cond(Vec<(Expr, Expr)>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `Expr` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/program.rs:25:10
[INFO] [stderr]    |
[INFO] [stderr] 25 | #[derive(Clone, Debug, PartialOrd, PartialEq)]
[INFO] [stderr]    |          ^^^^^  ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Func`
[INFO] [stderr]   --> src/program.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     Func(Box<Func>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `Expr` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/program.rs:25:10
[INFO] [stderr]    |
[INFO] [stderr] 25 | #[derive(Clone, Debug, PartialOrd, PartialEq)]
[INFO] [stderr]    |          ^^^^^  ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `ast2var`
[INFO] [stderr]   --> src/program.rs:80:4
[INFO] [stderr]    |
[INFO] [stderr] 80 | fn ast2var(ast: &[Ast]) -> Result<(String, Expr)> {
[INFO] [stderr]    |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `meatball` (bin "meatball" test) generated 10 warnings (3 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/meatball-dd82e769f4b91cac)
[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" "6d1b5b9ada3ee57b8613dd015e0c03df9274a0cb9be62999897ecad9d70f8380", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d1b5b9ada3ee57b8613dd015e0c03df9274a0cb9be62999897ecad9d70f8380", kill_on_drop: false }`
[INFO] [stdout] 6d1b5b9ada3ee57b8613dd015e0c03df9274a0cb9be62999897ecad9d70f8380