[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 master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSBTCVM%2FSBTCVM_Gen_4" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SBTCVM/SBTCVM_Gen_4 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 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-14/source/Cargo.toml
[INFO] crate git repo https://github.com/SBTCVM/SBTCVM_Gen_4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 7558a78ae5d1bc4ce281ea552bbf682d37829a9c63b5d1bc3a3849d946b90eb7
[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" "7558a78ae5d1bc4ce281ea552bbf682d37829a9c63b5d1bc3a3849d946b90eb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7558a78ae5d1bc4ce281ea552bbf682d37829a9c63b5d1bc3a3849d946b90eb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7558a78ae5d1bc4ce281ea552bbf682d37829a9c63b5d1bc3a3849d946b90eb7", kill_on_drop: false }`
[INFO] [stdout] 7558a78ae5d1bc4ce281ea552bbf682d37829a9c63b5d1bc3a3849d946b90eb7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] [stdout] a478fe6b5e653e2cd672c689a7964aa100c3a973e45e769a418ff44a85da9fdf
[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" "a478fe6b5e653e2cd672c689a7964aa100c3a973e45e769a418ff44a85da9fdf", kill_on_drop: false }`
[INFO] [stderr]     Checking custom_error v1.8.0
[INFO] [stderr]     Checking sbtcvm-balter v0.1.0 (/opt/rustwide/workdir/sbtcvm-balter)
[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: associated function is never used: `new`
[INFO] [stdout]   --> sbtcvm-balter/src/lib.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn new(&self) {}
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_i128`
[INFO] [stdout]   --> sbtcvm-balter/src/lib.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn from_i128(number: i128) -> Result<Vec<BalTer>, MachineError> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `dec_to_bal`
[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: 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: 12 warnings emitted
[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: associated function is never used: `new`
[INFO] [stdout]   --> sbtcvm-balter/src/lib.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn new(&self) {}
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_i128`
[INFO] [stdout]   --> sbtcvm-balter/src/lib.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn from_i128(number: i128) -> Result<Vec<BalTer>, MachineError> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `dec_to_bal`
[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: 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: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `Command { std: "docker" "inspect" "a478fe6b5e653e2cd672c689a7964aa100c3a973e45e769a418ff44a85da9fdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a478fe6b5e653e2cd672c689a7964aa100c3a973e45e769a418ff44a85da9fdf", kill_on_drop: false }`
[INFO] [stdout] a478fe6b5e653e2cd672c689a7964aa100c3a973e45e769a418ff44a85da9fdf