[INFO] crate basic-lang 0.1.0 is already in cache
[INFO] checking basic-lang-0.1.0 against try#13f916f63bc6575d5ff1f989237dfabe88981368 for pr-69880
[INFO] extracting crate basic-lang 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate basic-lang 0.1.0 on toolchain 13f916f63bc6575d5ff1f989237dfabe88981368
[INFO] running `"/workspace/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate basic-lang 0.1.0
[INFO] finished tweaking crates.io crate basic-lang 0.1.0
[INFO] tweaked toml for crates.io crate basic-lang 0.1.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate basic-lang 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9db26aa75cc16725e72d95b635d5f3906b4b7d67b0e75fd412692aa069334bbb
[INFO] running `"docker" "start" "-a" "9db26aa75cc16725e72d95b635d5f3906b4b7d67b0e75fd412692aa069334bbb"`
[INFO] [stderr]    Compiling basic-lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: method is never used: `var_err`
[INFO] [stderr]   --> src/lang/error.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn var_err(&self) -> u16 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `var_erl`
[INFO] [stderr]   --> src/lang/error.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub fn var_erl(&self) -> u16 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Def`
[INFO] [stderr]  --> src/lang/ast.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     Def(Ident, Vec<Ident>),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Dim`
[INFO] [stderr]  --> src/lang/ast.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     Dim(Ident, Vec<i16>),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Let`
[INFO] [stderr]  --> src/lang/ast.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Let(Ident, Box<Expression>),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Single`
[INFO] [stderr]   --> src/lang/ast.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     Single(f32),
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Double`
[INFO] [stderr]   --> src/lang/ast.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     Double(f64),
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Integer`
[INFO] [stderr]   --> src/lang/ast.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     Integer(i32),
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `String`
[INFO] [stderr]   --> src/lang/ast.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     String(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Function`
[INFO] [stderr]   --> src/lang/ast.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     Function(Ident, Vec<Expression>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Add`
[INFO] [stderr]   --> src/lang/ast.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     Add(Box<Expression>, Box<Expression>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Subtract`
[INFO] [stderr]   --> src/lang/ast.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     Subtract(Box<Expression>, Box<Expression>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Multiply`
[INFO] [stderr]   --> src/lang/ast.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     Multiply(Box<Expression>, Box<Expression>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Divide`
[INFO] [stderr]   --> src/lang/ast.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     Divide(Box<Expression>, Box<Expression>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Equality`
[INFO] [stderr]   --> src/lang/ast.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     Equality(Box<Expression>, Box<Expression>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Exponential`
[INFO] [stderr]   --> src/lang/ast.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     Exponential(Box<Expression>, Box<Expression>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `var_err`
[INFO] [stderr]   --> src/lang/error.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn var_err(&self) -> u16 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `var_erl`
[INFO] [stderr]   --> src/lang/error.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub fn var_erl(&self) -> u16 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Def`
[INFO] [stderr]  --> src/lang/ast.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     Def(Ident, Vec<Ident>),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Dim`
[INFO] [stderr]  --> src/lang/ast.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     Dim(Ident, Vec<i16>),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Let`
[INFO] [stderr]  --> src/lang/ast.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Let(Ident, Box<Expression>),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Single`
[INFO] [stderr]   --> src/lang/ast.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     Single(f32),
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Double`
[INFO] [stderr]   --> src/lang/ast.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     Double(f64),
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Integer`
[INFO] [stderr]   --> src/lang/ast.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     Integer(i32),
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `String`
[INFO] [stderr]   --> src/lang/ast.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     String(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Function`
[INFO] [stderr]   --> src/lang/ast.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     Function(Ident, Vec<Expression>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Add`
[INFO] [stderr]   --> src/lang/ast.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     Add(Box<Expression>, Box<Expression>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Subtract`
[INFO] [stderr]   --> src/lang/ast.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     Subtract(Box<Expression>, Box<Expression>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Multiply`
[INFO] [stderr]   --> src/lang/ast.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     Multiply(Box<Expression>, Box<Expression>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Divide`
[INFO] [stderr]   --> src/lang/ast.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     Divide(Box<Expression>, Box<Expression>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Equality`
[INFO] [stderr]   --> src/lang/ast.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     Equality(Box<Expression>, Box<Expression>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Exponential`
[INFO] [stderr]   --> src/lang/ast.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     Exponential(Box<Expression>, Box<Expression>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.12s
[INFO] running `"docker" "inspect" "9db26aa75cc16725e72d95b635d5f3906b4b7d67b0e75fd412692aa069334bbb"`
[INFO] running `"docker" "rm" "-f" "9db26aa75cc16725e72d95b635d5f3906b4b7d67b0e75fd412692aa069334bbb"`
[INFO] [stdout] 9db26aa75cc16725e72d95b635d5f3906b4b7d67b0e75fd412692aa069334bbb