[INFO] updating cached repository WotScript/backend-vm
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/WotScript/backend-vm
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/WotScript/backend-vm" "work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/WotScript/backend-vm"`
[INFO] [stderr] Cloning into 'work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/WotScript/backend-vm'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/WotScript/backend-vm" "work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/WotScript/backend-vm"`
[INFO] [stderr] Cloning into 'work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/WotScript/backend-vm'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0a91584a799b68b37cb2fad7f66676224aa1bc73
[INFO] sha for GitHub repo WotScript/backend-vm: 0a91584a799b68b37cb2fad7f66676224aa1bc73
[INFO] validating manifest of WotScript/backend-vm on toolchain master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of WotScript/backend-vm on toolchain try#29640c57b5f92febba0e40c50cb863c9a7ede51d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing WotScript/backend-vm
[INFO] finished frobbing WotScript/backend-vm
[INFO] frobbed toml for WotScript/backend-vm written to work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/WotScript/backend-vm/Cargo.toml
[INFO] started frobbing WotScript/backend-vm
[INFO] finished frobbing WotScript/backend-vm
[INFO] frobbed toml for WotScript/backend-vm written to work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/WotScript/backend-vm/Cargo.toml
[INFO] crate WotScript/backend-vm has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking WotScript/backend-vm against try#29640c57b5f92febba0e40c50cb863c9a7ede51d for pr-57745
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57745/worker-5/try#29640c57b5f92febba0e40c50cb863c9a7ede51d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/WotScript/backend-vm:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] cf0c0520213d833392d4c0b7fba6504dca7fe3608b92e31fd9c66d70209430c9
[INFO] running `"docker" "start" "-a" "cf0c0520213d833392d4c0b7fba6504dca7fe3608b92e31fd9c66d70209430c9"`
[INFO] [stderr]     Checking combine v2.5.2
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling serde_derive v1.0.75
[INFO] [stderr]     Checking ws_vm v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #[macro_use] extern crate serde_derive;
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::mem::transmute`
[INFO] [stderr]  --> src/interpreter/mod.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::mem::transmute;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t`
[INFO] [stderr]    --> src/interpreter/mod.rs:108:25
[INFO] [stderr]     |
[INFO] [stderr] 108 |                     let t = self.pop();
[INFO] [stderr]     |                         ^ help: consider using `_t` instead
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #[macro_use] extern crate serde_derive;
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::mem::transmute`
[INFO] [stderr]  --> src/interpreter/mod.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::mem::transmute;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Function`
[INFO] [stderr]  --> src/interpreter/mod.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Function(usize),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Swap`
[INFO] [stderr]   --> src/interpreter/mod.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     Swap,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Duplicate`
[INFO] [stderr]   --> src/interpreter/mod.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     Duplicate,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Over`
[INFO] [stderr]   --> src/interpreter/mod.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     Over,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Rotate`
[INFO] [stderr]   --> src/interpreter/mod.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     Rotate,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Void`
[INFO] [stderr]   --> src/interpreter/mod.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     Void,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Add`
[INFO] [stderr]   --> src/interpreter/mod.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     Add,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Subtract`
[INFO] [stderr]   --> src/interpreter/mod.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     Subtract,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Multiply`
[INFO] [stderr]   --> src/interpreter/mod.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     Multiply,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Divide`
[INFO] [stderr]   --> src/interpreter/mod.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     Divide,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Negate`
[INFO] [stderr]   --> src/interpreter/mod.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     Negate,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Jump`
[INFO] [stderr]   --> src/interpreter/mod.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     Jump(usize),
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Call`
[INFO] [stderr]   --> src/interpreter/mod.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     Call,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Return`
[INFO] [stderr]   --> src/interpreter/mod.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     Return,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Break`
[INFO] [stderr]   --> src/interpreter/mod.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     Break,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `If`
[INFO] [stderr]   --> src/interpreter/mod.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     If(usize),
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `DeleteVar`
[INFO] [stderr]   --> src/interpreter/mod.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     DeleteVar(usize),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t`
[INFO] [stderr]    --> src/interpreter/mod.rs:108:25
[INFO] [stderr]     |
[INFO] [stderr] 108 |                     let t = self.pop();
[INFO] [stderr]     |                         ^ help: consider using `_t` instead
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Function`
[INFO] [stderr]  --> src/interpreter/mod.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Function(usize),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Swap`
[INFO] [stderr]   --> src/interpreter/mod.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     Swap,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Duplicate`
[INFO] [stderr]   --> src/interpreter/mod.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     Duplicate,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Over`
[INFO] [stderr]   --> src/interpreter/mod.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     Over,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Rotate`
[INFO] [stderr]   --> src/interpreter/mod.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     Rotate,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Void`
[INFO] [stderr]   --> src/interpreter/mod.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     Void,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Add`
[INFO] [stderr]   --> src/interpreter/mod.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     Add,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Subtract`
[INFO] [stderr]   --> src/interpreter/mod.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     Subtract,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Multiply`
[INFO] [stderr]   --> src/interpreter/mod.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     Multiply,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Divide`
[INFO] [stderr]   --> src/interpreter/mod.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     Divide,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Negate`
[INFO] [stderr]   --> src/interpreter/mod.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     Negate,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Jump`
[INFO] [stderr]   --> src/interpreter/mod.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     Jump(usize),
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Call`
[INFO] [stderr]   --> src/interpreter/mod.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     Call,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Return`
[INFO] [stderr]   --> src/interpreter/mod.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     Return,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Break`
[INFO] [stderr]   --> src/interpreter/mod.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     Break,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `If`
[INFO] [stderr]   --> src/interpreter/mod.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     If(usize),
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `DeleteVar`
[INFO] [stderr]   --> src/interpreter/mod.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     DeleteVar(usize),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.02s
[INFO] running `"docker" "inspect" "cf0c0520213d833392d4c0b7fba6504dca7fe3608b92e31fd9c66d70209430c9"`
[INFO] running `"docker" "rm" "-f" "cf0c0520213d833392d4c0b7fba6504dca7fe3608b92e31fd9c66d70209430c9"`
[INFO] [stdout] cf0c0520213d833392d4c0b7fba6504dca7fe3608b92e31fd9c66d70209430c9