[INFO] fetching crate agar 0.0.2...
[INFO] checking agar-0.0.2 against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] extracting crate agar 0.0.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate agar 0.0.2 on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate agar 0.0.2
[INFO] finished tweaking crates.io crate agar 0.0.2
[INFO] tweaked toml for crates.io crate agar 0.0.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 50ec97640decac2567d309d5f1049049f257a2db1b4a0258538b7f9f11998730
[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" "50ec97640decac2567d309d5f1049049f257a2db1b4a0258538b7f9f11998730", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "50ec97640decac2567d309d5f1049049f257a2db1b4a0258538b7f9f11998730", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50ec97640decac2567d309d5f1049049f257a2db1b4a0258538b7f9f11998730", kill_on_drop: false }`
[INFO] [stdout] 50ec97640decac2567d309d5f1049049f257a2db1b4a0258538b7f9f11998730
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--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] eef8fcd75296600638429fa890b9e894e8951d22100ae7c4eb28521381cf0757
[INFO] running `Command { std: "docker" "start" "-a" "eef8fcd75296600638429fa890b9e894e8951d22100ae7c4eb28521381cf0757", kill_on_drop: false }`
[INFO] [stderr]     Checking agar v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `t_i32` should have an upper camel case name
[INFO] [stdout]  --> src/types/typ.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     t_i32,
[INFO] [stdout]   |     ^^^^^ help: convert the identifier to upper camel case: `TI32`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `add_i32` should have an upper camel case name
[INFO] [stdout]  --> src/instructions/instruction.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     add_i32(Variable, Variable, Variable),
[INFO] [stdout]   |     ^^^^^^^ help: convert the identifier to upper camel case: `AddI32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `sub_i32` should have an upper camel case name
[INFO] [stdout]  --> src/instructions/instruction.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     sub_i32(Variable, Variable, Variable),
[INFO] [stdout]   |     ^^^^^^^ help: convert the identifier to upper camel case: `SubI32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `mul_i32` should have an upper camel case name
[INFO] [stdout]  --> src/instructions/instruction.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     mul_i32(Variable, Variable, Variable),
[INFO] [stdout]   |     ^^^^^^^ help: convert the identifier to upper camel case: `MulI32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `div_i32` should have an upper camel case name
[INFO] [stdout]  --> src/instructions/instruction.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     div_i32(Variable, Variable, Variable),
[INFO] [stdout]   |     ^^^^^^^ help: convert the identifier to upper camel case: `DivI32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `eq_i32` should have an upper camel case name
[INFO] [stdout]   --> src/instructions/instruction.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     eq_i32(Variable, Variable, Variable),
[INFO] [stdout]    |     ^^^^^^ help: convert the identifier to upper camel case: `EqI32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `neq_i32` should have an upper camel case name
[INFO] [stdout]   --> src/instructions/instruction.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     neq_i32(Variable, Variable, Variable),
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper camel case: `NeqI32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `val` should have an upper camel case name
[INFO] [stdout]   --> src/instructions/instruction.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     val(Variable),
[INFO] [stdout]    |     ^^^ help: convert the identifier to upper camel case (notice the capitalization): `Val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `val_cpy` should have an upper camel case name
[INFO] [stdout]   --> src/instructions/instruction.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     val_cpy(Variable),
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper camel case: `ValCpy`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `set_var` should have an upper camel case name
[INFO] [stdout]   --> src/instructions/instruction.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     set_var(Variable, Variable),
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper camel case: `SetVar`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `set_prm` should have an upper camel case name
[INFO] [stdout]   --> src/instructions/instruction.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     set_prm(Variable),
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper camel case: `SetPrm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `jmp` should have an upper camel case name
[INFO] [stdout]   --> src/instructions/instruction.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     jmp(Block, Option<Variable>),
[INFO] [stdout]    |     ^^^ help: convert the identifier to upper camel case: `Jmp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `jmp_eq` should have an upper camel case name
[INFO] [stdout]   --> src/instructions/instruction.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     jmp_eq(Variable, Block, Option<Variable>),
[INFO] [stdout]    |     ^^^^^^ help: convert the identifier to upper camel case: `JmpEq`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `jmp_neq` should have an upper camel case name
[INFO] [stdout]   --> src/instructions/instruction.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     jmp_neq(Variable, Block, Option<Variable>),
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper camel case: `JmpNeq`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `arguments`
[INFO] [stdout]  --> src/functions/function.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     arguments: Vec<(Variable, Type)>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `variables`
[INFO] [stdout]  --> src/functions/function.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     variables: Vec<(Variable, Type)>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `return_type`
[INFO] [stdout]  --> src/functions/function.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     return_type: Type,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `t_i32` should have an upper camel case name
[INFO] [stdout]  --> src/types/typ.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     t_i32,
[INFO] [stdout]   |     ^^^^^ help: convert the identifier to upper camel case: `TI32`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `typ`
[INFO] [stdout]  --> src/variables/variable.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     typ: Type,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `add_i32` should have an upper camel case name
[INFO] [stdout]  --> src/instructions/instruction.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     add_i32(Variable, Variable, Variable),
[INFO] [stdout]   |     ^^^^^^^ help: convert the identifier to upper camel case: `AddI32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `body`
[INFO] [stdout]  --> src/blocks/block.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     body: Vec<Instruction>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `sub_i32` should have an upper camel case name
[INFO] [stdout]  --> src/instructions/instruction.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     sub_i32(Variable, Variable, Variable),
[INFO] [stdout]   |     ^^^^^^^ help: convert the identifier to upper camel case: `SubI32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `value`
[INFO] [stdout]  --> src/blocks/block.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     value: Variable,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `mul_i32` should have an upper camel case name
[INFO] [stdout]  --> src/instructions/instruction.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     mul_i32(Variable, Variable, Variable),
[INFO] [stdout]   |     ^^^^^^^ help: convert the identifier to upper camel case: `MulI32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `div_i32` should have an upper camel case name
[INFO] [stdout]  --> src/instructions/instruction.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     div_i32(Variable, Variable, Variable),
[INFO] [stdout]   |     ^^^^^^^ help: convert the identifier to upper camel case: `DivI32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `eq_i32` should have an upper camel case name
[INFO] [stdout]   --> src/instructions/instruction.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     eq_i32(Variable, Variable, Variable),
[INFO] [stdout]    |     ^^^^^^ help: convert the identifier to upper camel case: `EqI32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `neq_i32` should have an upper camel case name
[INFO] [stdout]   --> src/instructions/instruction.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     neq_i32(Variable, Variable, Variable),
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper camel case: `NeqI32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `val` should have an upper camel case name
[INFO] [stdout]   --> src/instructions/instruction.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     val(Variable),
[INFO] [stdout]    |     ^^^ help: convert the identifier to upper camel case (notice the capitalization): `Val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `val_cpy` should have an upper camel case name
[INFO] [stdout]   --> src/instructions/instruction.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     val_cpy(Variable),
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper camel case: `ValCpy`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `set_var` should have an upper camel case name
[INFO] [stdout]   --> src/instructions/instruction.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     set_var(Variable, Variable),
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper camel case: `SetVar`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `set_prm` should have an upper camel case name
[INFO] [stdout]   --> src/instructions/instruction.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     set_prm(Variable),
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper camel case: `SetPrm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `jmp` should have an upper camel case name
[INFO] [stdout]   --> src/instructions/instruction.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     jmp(Block, Option<Variable>),
[INFO] [stdout]    |     ^^^ help: convert the identifier to upper camel case: `Jmp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `jmp_eq` should have an upper camel case name
[INFO] [stdout]   --> src/instructions/instruction.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     jmp_eq(Variable, Block, Option<Variable>),
[INFO] [stdout]    |     ^^^^^^ help: convert the identifier to upper camel case: `JmpEq`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `jmp_neq` should have an upper camel case name
[INFO] [stdout]   --> src/instructions/instruction.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     jmp_neq(Variable, Block, Option<Variable>),
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to upper camel case: `JmpNeq`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `arguments`
[INFO] [stdout]  --> src/functions/function.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     arguments: Vec<(Variable, Type)>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `variables`
[INFO] [stdout]  --> src/functions/function.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     variables: Vec<(Variable, Type)>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `return_type`
[INFO] [stdout]  --> src/functions/function.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     return_type: Type,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `typ`
[INFO] [stdout]  --> src/variables/variable.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     typ: Type,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `body`
[INFO] [stdout]  --> src/blocks/block.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     body: Vec<Instruction>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `value`
[INFO] [stdout]  --> src/blocks/block.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     value: Variable,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.34s
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "eef8fcd75296600638429fa890b9e894e8951d22100ae7c4eb28521381cf0757", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eef8fcd75296600638429fa890b9e894e8951d22100ae7c4eb28521381cf0757", kill_on_drop: false }`
[INFO] [stdout] eef8fcd75296600638429fa890b9e894e8951d22100ae7c4eb28521381cf0757