[INFO] cloning repository https://github.com/alexandermeade/Snakes-and-bits
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alexandermeade/Snakes-and-bits" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexandermeade%2FSnakes-and-bits", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexandermeade%2FSnakes-and-bits'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 24a2f72386b66ac0fc9adb1d583ba86dc11b1dac
[INFO] checking alexandermeade/Snakes-and-bits against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexandermeade%2FSnakes-and-bits" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/alexandermeade/Snakes-and-bits
[INFO] finished tweaking git repo https://github.com/alexandermeade/Snakes-and-bits
[INFO] tweaked toml for git repo https://github.com/alexandermeade/Snakes-and-bits written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/alexandermeade/Snakes-and-bits on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/alexandermeade/Snakes-and-bits 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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ctrlc v3.4.5
[INFO] [stderr]   Downloaded rustix v0.38.41
[INFO] [stderr]   Downloaded libc v0.2.167
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b5b72b04aeac8113a6bc5e2f3f6e948bdbcc29f9210f336f8e31da8ad98952ea
[INFO] running `Command { std: "docker" "start" "-a" "b5b72b04aeac8113a6bc5e2f3f6e948bdbcc29f9210f336f8e31da8ad98952ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5b72b04aeac8113a6bc5e2f3f6e948bdbcc29f9210f336f8e31da8ad98952ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5b72b04aeac8113a6bc5e2f3f6e948bdbcc29f9210f336f8e31da8ad98952ea", kill_on_drop: false }`
[INFO] [stdout] b5b72b04aeac8113a6bc5e2f3f6e948bdbcc29f9210f336f8e31da8ad98952ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 940464bafe622735ee1271a89ab1b83e89c11e6d23627fbd4a209eeec9fae710
[INFO] running `Command { std: "docker" "start" "-a" "940464bafe622735ee1271a89ab1b83e89c11e6d23627fbd4a209eeec9fae710", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.167
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling cfg_aliases v0.2.1
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]     Checking bitflags v2.6.0
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]    Compiling rustix v0.38.41
[INFO] [stderr]     Checking linux-raw-sys v0.4.14
[INFO] [stderr]     Checking tokio v1.42.0
[INFO] [stderr]     Checking colored v2.1.0
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.91
[INFO] [stderr]     Checking tokio-stream v0.1.17
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking mio v1.0.3
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking signal-hook-mio v0.2.4
[INFO] [stderr]     Checking crossterm v0.28.1
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]     Checking ctrlc v3.4.5
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking snake_and_bits v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `b1`
[INFO] [stdout]    --> src/run.rs:284:25
[INFO] [stdout]     |
[INFO] [stdout] 284 |                     let b1 = std::io::stdin().read_line(&mut line).unwrap();  
[INFO] [stdout]     |                         ^^ help: if this is intentional, prefix it with an underscore: `_b1`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b1`
[INFO] [stdout]    --> src/run.rs:318:25
[INFO] [stdout]     |
[INFO] [stdout] 318 |                     let b1 = std::io::stdin().read_line(&mut line).unwrap();  
[INFO] [stdout]     |                         ^^ help: if this is intentional, prefix it with an underscore: `_b1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/run.rs:556:13
[INFO] [stdout]     |
[INFO] [stdout] 556 |         let mut output = String::from("");
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `line` is assigned to, but never used
[INFO] [stdout]    --> src/run.rs:554:13
[INFO] [stdout]     |
[INFO] [stdout] 554 |         let mut line = 1;
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_line` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `colmn` is assigned to, but never used
[INFO] [stdout]    --> src/run.rs:555:13
[INFO] [stdout]     |
[INFO] [stdout] 555 |         let mut colmn = 0;
[INFO] [stdout]     |             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_colmn` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `line` is never read
[INFO] [stdout]    --> src/run.rs:646:25
[INFO] [stdout]     |
[INFO] [stdout] 646 |                         line += 1;
[INFO] [stdout]     |                         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `colmn` is never read
[INFO] [stdout]    --> src/run.rs:618:17
[INFO] [stdout]     |
[INFO] [stdout] 618 |                 colmn += 1;
[INFO] [stdout]     |                 ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `colmn` is never read
[INFO] [stdout]    --> src/run.rs:640:25
[INFO] [stdout]     |
[INFO] [stdout] 640 |                         colmn += 4;
[INFO] [stdout]     |                         ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `colmn` is never read
[INFO] [stdout]    --> src/run.rs:645:25
[INFO] [stdout]     |
[INFO] [stdout] 645 |                         colmn = 1;
[INFO] [stdout]     |                         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `colmn` is never read
[INFO] [stdout]    --> src/run.rs:662:25
[INFO] [stdout]     |
[INFO] [stdout] 662 |                         colmn += 1;
[INFO] [stdout]     |                         ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `populate_spaces` and `print_term` are never used
[INFO] [stdout]    --> src/run.rs:535:8
[INFO] [stdout]     |
[INFO] [stdout]  64 | impl Executer {
[INFO] [stdout]     | ------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 535 |     fn populate_spaces(colmn_count:i32) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 541 |     fn print_term(&self) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> src/run.rs:166:12
[INFO] [stdout]     |
[INFO] [stdout] 166 |         if index - 1< 0 || index >= toks.len() {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> src/run.rs:189:12
[INFO] [stdout]     |
[INFO] [stdout] 189 |         if index < 0 || index + 1 >= toks.len() {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> src/run.rs:197:13
[INFO] [stdout]     |
[INFO] [stdout] 197 |          if self.index_line - 1 < 0 {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> src/run.rs:294:24
[INFO] [stdout]     |
[INFO] [stdout] 294 |                     if self.stack.len() < 0 {
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> src/run.rs:365:43
[INFO] [stdout]     |
[INFO] [stdout] 365 | ...   self.stack_index = if self.stack_index - 1 < 0 {if (self.stack.len() as i32- 1) < 0 {0} else {self.stack.len() - 1}} else {(self.st...
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b1`
[INFO] [stdout]    --> src/run.rs:284:25
[INFO] [stdout]     |
[INFO] [stdout] 284 |                     let b1 = std::io::stdin().read_line(&mut line).unwrap();  
[INFO] [stdout]     |                         ^^ help: if this is intentional, prefix it with an underscore: `_b1`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b1`
[INFO] [stdout]    --> src/run.rs:318:25
[INFO] [stdout]     |
[INFO] [stdout] 318 |                     let b1 = std::io::stdin().read_line(&mut line).unwrap();  
[INFO] [stdout]     |                         ^^ help: if this is intentional, prefix it with an underscore: `_b1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/run.rs:556:13
[INFO] [stdout]     |
[INFO] [stdout] 556 |         let mut output = String::from("");
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `line` is assigned to, but never used
[INFO] [stdout]    --> src/run.rs:554:13
[INFO] [stdout]     |
[INFO] [stdout] 554 |         let mut line = 1;
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_line` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `colmn` is assigned to, but never used
[INFO] [stdout]    --> src/run.rs:555:13
[INFO] [stdout]     |
[INFO] [stdout] 555 |         let mut colmn = 0;
[INFO] [stdout]     |             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_colmn` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `line` is never read
[INFO] [stdout]    --> src/run.rs:646:25
[INFO] [stdout]     |
[INFO] [stdout] 646 |                         line += 1;
[INFO] [stdout]     |                         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `colmn` is never read
[INFO] [stdout]    --> src/run.rs:618:17
[INFO] [stdout]     |
[INFO] [stdout] 618 |                 colmn += 1;
[INFO] [stdout]     |                 ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `colmn` is never read
[INFO] [stdout]    --> src/run.rs:640:25
[INFO] [stdout]     |
[INFO] [stdout] 640 |                         colmn += 4;
[INFO] [stdout]     |                         ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `colmn` is never read
[INFO] [stdout]    --> src/run.rs:645:25
[INFO] [stdout]     |
[INFO] [stdout] 645 |                         colmn = 1;
[INFO] [stdout]     |                         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `colmn` is never read
[INFO] [stdout]    --> src/run.rs:662:25
[INFO] [stdout]     |
[INFO] [stdout] 662 |                         colmn += 1;
[INFO] [stdout]     |                         ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `populate_spaces` and `print_term` are never used
[INFO] [stdout]    --> src/run.rs:535:8
[INFO] [stdout]     |
[INFO] [stdout]  64 | impl Executer {
[INFO] [stdout]     | ------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 535 |     fn populate_spaces(colmn_count:i32) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 541 |     fn print_term(&self) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> src/run.rs:166:12
[INFO] [stdout]     |
[INFO] [stdout] 166 |         if index - 1< 0 || index >= toks.len() {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> src/run.rs:189:12
[INFO] [stdout]     |
[INFO] [stdout] 189 |         if index < 0 || index + 1 >= toks.len() {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> src/run.rs:197:13
[INFO] [stdout]     |
[INFO] [stdout] 197 |          if self.index_line - 1 < 0 {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> src/run.rs:294:24
[INFO] [stdout]     |
[INFO] [stdout] 294 |                     if self.stack.len() < 0 {
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> src/run.rs:365:43
[INFO] [stdout]     |
[INFO] [stdout] 365 | ...   self.stack_index = if self.stack_index - 1 < 0 {if (self.stack.len() as i32- 1) < 0 {0} else {self.stack.len() - 1}} else {(self.st...
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.76s
[INFO] running `Command { std: "docker" "inspect" "940464bafe622735ee1271a89ab1b83e89c11e6d23627fbd4a209eeec9fae710", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "940464bafe622735ee1271a89ab1b83e89c11e6d23627fbd4a209eeec9fae710", kill_on_drop: false }`
[INFO] [stdout] 940464bafe622735ee1271a89ab1b83e89c11e6d23627fbd4a209eeec9fae710
