[INFO] cloning repository https://github.com/SBTCVM/SBTCVM_Gen_4
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SBTCVM/SBTCVM_Gen_4" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSBTCVM%2FSBTCVM_Gen_4", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSBTCVM%2FSBTCVM_Gen_4'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b9c00d1903fdbabc20767e60311442e367cc9fac
[INFO] checking SBTCVM/SBTCVM_Gen_4 against try#028201683a76a5cd349729c6819c46607119c4e8 for pr-144157
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSBTCVM%2FSBTCVM_Gen_4" "/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/SBTCVM/SBTCVM_Gen_4
[INFO] finished tweaking git repo https://github.com/SBTCVM/SBTCVM_Gen_4
[INFO] tweaked toml for git repo https://github.com/SBTCVM/SBTCVM_Gen_4 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/SBTCVM/SBTCVM_Gen_4 on toolchain 028201683a76a5cd349729c6819c46607119c4e8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+028201683a76a5cd349729c6819c46607119c4e8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/SBTCVM/SBTCVM_Gen_4 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" "+028201683a76a5cd349729c6819c46607119c4e8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded custom_error v1.8.0
[INFO] [stderr]   Downloaded bitvec v0.20.1
[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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+028201683a76a5cd349729c6819c46607119c4e8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8b5a14ae2f612aab8f4c3079e8b887b5760772b13ba04f5247d71afd76cf5378
[INFO] running `Command { std: "docker" "start" "-a" "8b5a14ae2f612aab8f4c3079e8b887b5760772b13ba04f5247d71afd76cf5378", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b5a14ae2f612aab8f4c3079e8b887b5760772b13ba04f5247d71afd76cf5378", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b5a14ae2f612aab8f4c3079e8b887b5760772b13ba04f5247d71afd76cf5378", kill_on_drop: false }`
[INFO] [stdout] 8b5a14ae2f612aab8f4c3079e8b887b5760772b13ba04f5247d71afd76cf5378
[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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+028201683a76a5cd349729c6819c46607119c4e8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 86a7175bb9c66c28ee61888209e237a80409861ea19075747fc4c3f1e447bc52
[INFO] running `Command { std: "docker" "start" "-a" "86a7175bb9c66c28ee61888209e237a80409861ea19075747fc4c3f1e447bc52", kill_on_drop: false }`
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]     Checking tap v1.0.0
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]     Checking custom_error v1.8.0
[INFO] [stderr]     Checking bitvec v0.20.1
[INFO] [stderr]     Checking sbtcvm-balter v0.1.0 (/opt/rustwide/workdir/sbtcvm-balter)
[INFO] [stdout] warning: the feature `or_patterns` has been stable since 1.53.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> sbtcvm-balter/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(or_patterns)]
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `destructuring_assignment` has been stable since 1.59.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> sbtcvm-balter/src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(destructuring_assignment)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `or_patterns` has been stable since 1.53.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> sbtcvm-balter/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(or_patterns)]
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `destructuring_assignment` has been stable since 1.59.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> sbtcvm-balter/src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(destructuring_assignment)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]   --> sbtcvm-balter/src/ops/arithmetic.rs:51:30
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn add_assign(&mut self, rhs: Self) {
[INFO] [stdout]    |                              ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]   --> sbtcvm-balter/src/ops/arithmetic.rs:59:18
[INFO] [stdout]    |
[INFO] [stdout] 59 |     fn div(self, rhs: Self) -> Self::Output {
[INFO] [stdout]    |                  ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]   --> sbtcvm-balter/src/ops/arithmetic.rs:65:30
[INFO] [stdout]    |
[INFO] [stdout] 65 |     fn div_assign(&mut self, rhs: Self) {
[INFO] [stdout]    |                              ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]   --> sbtcvm-balter/src/ops/arithmetic.rs:73:18
[INFO] [stdout]    |
[INFO] [stdout] 73 |     fn mul(self, rhs: Self) -> Self::Output {
[INFO] [stdout]    |                  ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]   --> sbtcvm-balter/src/ops/arithmetic.rs:79:30
[INFO] [stdout]    |
[INFO] [stdout] 79 |     fn mul_assign(&mut self, rhs: Self) {
[INFO] [stdout]    |                              ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]   --> sbtcvm-balter/src/ops/arithmetic.rs:87:18
[INFO] [stdout]    |
[INFO] [stdout] 87 |     fn rem(self, rhs: Self) -> Self::Output {
[INFO] [stdout]    |                  ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]   --> sbtcvm-balter/src/ops/arithmetic.rs:93:30
[INFO] [stdout]    |
[INFO] [stdout] 93 |     fn rem_assign(&mut self, rhs: Self) {
[INFO] [stdout]    |                              ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]    --> sbtcvm-balter/src/ops/arithmetic.rs:107:30
[INFO] [stdout]     |
[INFO] [stdout] 107 |     fn sub_assign(&mut self, rhs: Self) {
[INFO] [stdout]     |                              ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BalTer` is never constructed
[INFO] [stdout]   --> sbtcvm-balter/src/lib.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct BalTer {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `from_i128` are never used
[INFO] [stdout]   --> sbtcvm-balter/src/lib.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl BalTer {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 18 |     fn new(&self) {}
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 19 |     fn from_i128(number: i128) -> Result<Vec<BalTer>, MachineError> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `dec_to_bal` is never used
[INFO] [stdout]   --> sbtcvm-balter/src/lib.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn dec_to_bal(mut dec: i128) -> Result<Vec<BalTer>, MachineError> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `trit_adder` is never used
[INFO] [stdout]   --> sbtcvm-balter/src/ops/arithmetic.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn trit_adder(c1: char, c2: char, carry: char) -> Result<(char, char), ArithmeticError> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]   --> sbtcvm-balter/src/ops/arithmetic.rs:51:30
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn add_assign(&mut self, rhs: Self) {
[INFO] [stdout]    |                              ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]   --> sbtcvm-balter/src/ops/arithmetic.rs:59:18
[INFO] [stdout]    |
[INFO] [stdout] 59 |     fn div(self, rhs: Self) -> Self::Output {
[INFO] [stdout]    |                  ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]   --> sbtcvm-balter/src/ops/arithmetic.rs:65:30
[INFO] [stdout]    |
[INFO] [stdout] 65 |     fn div_assign(&mut self, rhs: Self) {
[INFO] [stdout]    |                              ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]   --> sbtcvm-balter/src/ops/arithmetic.rs:73:18
[INFO] [stdout]    |
[INFO] [stdout] 73 |     fn mul(self, rhs: Self) -> Self::Output {
[INFO] [stdout]    |                  ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]   --> sbtcvm-balter/src/ops/arithmetic.rs:79:30
[INFO] [stdout]    |
[INFO] [stdout] 79 |     fn mul_assign(&mut self, rhs: Self) {
[INFO] [stdout]    |                              ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]   --> sbtcvm-balter/src/ops/arithmetic.rs:87:18
[INFO] [stdout]    |
[INFO] [stdout] 87 |     fn rem(self, rhs: Self) -> Self::Output {
[INFO] [stdout]    |                  ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]   --> sbtcvm-balter/src/ops/arithmetic.rs:93:30
[INFO] [stdout]    |
[INFO] [stdout] 93 |     fn rem_assign(&mut self, rhs: Self) {
[INFO] [stdout]    |                              ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]    --> sbtcvm-balter/src/ops/arithmetic.rs:107:30
[INFO] [stdout]     |
[INFO] [stdout] 107 |     fn sub_assign(&mut self, rhs: Self) {
[INFO] [stdout]     |                              ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BalTer` is never constructed
[INFO] [stdout]   --> sbtcvm-balter/src/lib.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct BalTer {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `from_i128` are never used
[INFO] [stdout]   --> sbtcvm-balter/src/lib.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl BalTer {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 18 |     fn new(&self) {}
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 19 |     fn from_i128(number: i128) -> Result<Vec<BalTer>, MachineError> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `dec_to_bal` is never used
[INFO] [stdout]   --> sbtcvm-balter/src/lib.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn dec_to_bal(mut dec: i128) -> Result<Vec<BalTer>, MachineError> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `trit_adder` is never used
[INFO] [stdout]   --> sbtcvm-balter/src/ops/arithmetic.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn trit_adder(c1: char, c2: char, carry: char) -> Result<(char, char), ArithmeticError> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.88s
[INFO] running `Command { std: "docker" "inspect" "86a7175bb9c66c28ee61888209e237a80409861ea19075747fc4c3f1e447bc52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86a7175bb9c66c28ee61888209e237a80409861ea19075747fc4c3f1e447bc52", kill_on_drop: false }`
[INFO] [stdout] 86a7175bb9c66c28ee61888209e237a80409861ea19075747fc4c3f1e447bc52