[INFO] cloning repository https://github.com/mkhan45/VrooM
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mkhan45/VrooM" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkhan45%2FVrooM", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkhan45%2FVrooM'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a804604d278042b92d2b9d13880b92096732fd80
[INFO] checking mkhan45/VrooM against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkhan45%2FVrooM" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mkhan45/VrooM
[INFO] finished tweaking git repo https://github.com/mkhan45/VrooM
[INFO] tweaked toml for git repo https://github.com/mkhan45/VrooM written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mkhan45/VrooM on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mkhan45/VrooM already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bfa149c28d6167600eb4a0795e3fd7d932b79e1d2a26523e7302a8b4183905bc
[INFO] running `Command { std: "docker" "start" "-a" "bfa149c28d6167600eb4a0795e3fd7d932b79e1d2a26523e7302a8b4183905bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bfa149c28d6167600eb4a0795e3fd7d932b79e1d2a26523e7302a8b4183905bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfa149c28d6167600eb4a0795e3fd7d932b79e1d2a26523e7302a8b4183905bc", kill_on_drop: false }`
[INFO] [stdout] bfa149c28d6167600eb4a0795e3fd7d932b79e1d2a26523e7302a8b4183905bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b8293241fed5194b225ada2f5a83b27502ad7941679328c5e9fca4b4c78edec
[INFO] running `Command { std: "docker" "start" "-a" "2b8293241fed5194b225ada2f5a83b27502ad7941679328c5e9fca4b4c78edec", kill_on_drop: false }`
[INFO] [stderr]     Checking vroom v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant `INT_TYPE_ID` is never used
[INFO] [stdout]  --> src/value.rs:1:7
[INFO] [stdout]   |
[INFO] [stdout] 1 | const INT_TYPE_ID: usize = 0;
[INFO] [stdout]   |       ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FLOAT_TYPE_ID` is never used
[INFO] [stdout]  --> src/value.rs:2:7
[INFO] [stdout]   |
[INFO] [stdout] 2 | const FLOAT_TYPE_ID: usize = 1;
[INFO] [stdout]   |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `STR_TYPE_ID` is never used
[INFO] [stdout]  --> src/value.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | const STR_TYPE_ID: usize = 2;
[INFO] [stdout]   |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BOOL_TYPE_ID` is never used
[INFO] [stdout]  --> src/value.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const BOOL_TYPE_ID: usize = 3;
[INFO] [stdout]   |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BASE_TYPE_IDS` is never used
[INFO] [stdout]  --> src/value.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | const BASE_TYPE_IDS: [&str; 4] = [
[INFO] [stdout]   |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `sum_type_id` is never read
[INFO] [stdout]   --> src/value.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub union Val {
[INFO] [stdout]    |           --- field in this union
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub sum_type_id: usize,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Val` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `List` and `Value` are never constructed
[INFO] [stdout]   --> src/value.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub enum HeapVal {
[INFO] [stdout]    |          ------- variants in this enum
[INFO] [stdout] 30 |     Str(String),
[INFO] [stdout] 31 |     List(Vec<Val>),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 32 |     Value(Val),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `HeapVal` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `peek_is_int` is never used
[INFO] [stdout]   --> src/value.rs:36:15
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub unsafe fn peek_is_int(stack: &[Val]) -> bool {
[INFO] [stdout]    |               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `pop_bool` is never used
[INFO] [stdout]   --> src/value.rs:48:15
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub unsafe fn pop_bool(stack: &mut Vec<Val>) -> bool {
[INFO] [stdout]    |               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `PushFloat`, `Pop`, `JumpNeq`, and `Add` are never constructed
[INFO] [stdout]   --> src/vm.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub enum Instruction {
[INFO] [stdout]    |          ----------- variants in this enum
[INFO] [stdout] 24 |     PushInt,
[INFO] [stdout] 25 |     PushFloat,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 26 |     HeapConst,
[INFO] [stdout] 27 |     Pop,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |     JumpNeq,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 32 |     Add,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Instruction` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INT_TYPE_ID` is never used
[INFO] [stdout]  --> src/value.rs:1:7
[INFO] [stdout]   |
[INFO] [stdout] 1 | const INT_TYPE_ID: usize = 0;
[INFO] [stdout]   |       ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FLOAT_TYPE_ID` is never used
[INFO] [stdout]  --> src/value.rs:2:7
[INFO] [stdout]   |
[INFO] [stdout] 2 | const FLOAT_TYPE_ID: usize = 1;
[INFO] [stdout]   |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `STR_TYPE_ID` is never used
[INFO] [stdout]  --> src/value.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | const STR_TYPE_ID: usize = 2;
[INFO] [stdout]   |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BOOL_TYPE_ID` is never used
[INFO] [stdout]  --> src/value.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const BOOL_TYPE_ID: usize = 3;
[INFO] [stdout]   |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BASE_TYPE_IDS` is never used
[INFO] [stdout]  --> src/value.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | const BASE_TYPE_IDS: [&str; 4] = [
[INFO] [stdout]   |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `sum_type_id` is never read
[INFO] [stdout]   --> src/value.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub union Val {
[INFO] [stdout]    |           --- field in this union
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub sum_type_id: usize,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Val` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `List` and `Value` are never constructed
[INFO] [stdout]   --> src/value.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub enum HeapVal {
[INFO] [stdout]    |          ------- variants in this enum
[INFO] [stdout] 30 |     Str(String),
[INFO] [stdout] 31 |     List(Vec<Val>),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 32 |     Value(Val),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `HeapVal` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `peek_is_int` is never used
[INFO] [stdout]   --> src/value.rs:36:15
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub unsafe fn peek_is_int(stack: &[Val]) -> bool {
[INFO] [stdout]    |               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `pop_bool` is never used
[INFO] [stdout]   --> src/value.rs:48:15
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub unsafe fn pop_bool(stack: &mut Vec<Val>) -> bool {
[INFO] [stdout]    |               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `PushFloat`, `Pop`, `JumpNeq`, and `Add` are never constructed
[INFO] [stdout]   --> src/vm.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub enum Instruction {
[INFO] [stdout]    |          ----------- variants in this enum
[INFO] [stdout] 24 |     PushInt,
[INFO] [stdout] 25 |     PushFloat,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 26 |     HeapConst,
[INFO] [stdout] 27 |     Pop,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |     JumpNeq,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 32 |     Add,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Instruction` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "2b8293241fed5194b225ada2f5a83b27502ad7941679328c5e9fca4b4c78edec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b8293241fed5194b225ada2f5a83b27502ad7941679328c5e9fca4b4c78edec", kill_on_drop: false }`
[INFO] [stdout] 2b8293241fed5194b225ada2f5a83b27502ad7941679328c5e9fca4b4c78edec