[INFO] cloning repository https://github.com/347Online/ump_lang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/347Online/ump_lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F347Online%2Fump_lang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F347Online%2Fump_lang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] babc5b9339a551b50ae33eb1cf7f67e01e35f9fc
[INFO] checking 347Online/ump_lang/babc5b9339a551b50ae33eb1cf7f67e01e35f9fc against master#8f21a5c92ea55c348c275a1bc4fedbdf181e0d64 for pr-143011
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F347Online%2Fump_lang" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/347Online/ump_lang
[INFO] finished tweaking git repo https://github.com/347Online/ump_lang
[INFO] tweaked toml for git repo https://github.com/347Online/ump_lang written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/347Online/ump_lang on toolchain 8f21a5c92ea55c348c275a1bc4fedbdf181e0d64
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/347Online/ump_lang 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" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded uuid v1.5.0
[INFO] [stderr]   Downloaded errno v0.3.6
[INFO] [stderr]   Downloaded rustix v0.38.21
[INFO] [stderr]   Downloaded rustyline v12.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 79a673ff8760aa6033293c558cba6f060efb446fb992ae3455c656a224bb91ea
[INFO] running `Command { std: "docker" "start" "-a" "79a673ff8760aa6033293c558cba6f060efb446fb992ae3455c656a224bb91ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "79a673ff8760aa6033293c558cba6f060efb446fb992ae3455c656a224bb91ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79a673ff8760aa6033293c558cba6f060efb446fb992ae3455c656a224bb91ea", kill_on_drop: false }`
[INFO] [stdout] 79a673ff8760aa6033293c558cba6f060efb446fb992ae3455c656a224bb91ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e06e7849d035f683c01c9544b6b1703ef37f5143ec2328442f61d4f94e9e99e
[INFO] running `Command { std: "docker" "start" "-a" "0e06e7849d035f683c01c9544b6b1703ef37f5143ec2328442f61d4f94e9e99e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling rustix v0.38.21
[INFO] [stderr]     Checking linux-raw-sys v0.4.11
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]     Checking smallvec v1.11.1
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking home v0.5.5
[INFO] [stderr]     Checking unicode-segmentation v1.10.1
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking uuid v1.5.0
[INFO] [stderr]     Checking fd-lock v3.0.13
[INFO] [stderr]     Checking rustyline v12.0.0
[INFO] [stderr]     Checking umpteen v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `rc::Rc`
[INFO] [stdout]  --> src/umpteen/repr/object.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     rc::Rc,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rc::Rc`
[INFO] [stdout]  --> src/umpteen/repr/object.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     rc::Rc,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mutable`
[INFO] [stdout]    --> src/umpteen/exec/parse.rs:184:36
[INFO] [stdout]     |
[INFO] [stdout] 184 |     fn declare_variable(&mut self, mutable: bool) -> Result<Stmt, ParseError> {
[INFO] [stdout]     |                                    ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mutable`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `env_id` is never read
[INFO] [stdout]   --> src/umpteen/exec/env.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Memory {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 16 |     vars: HashMap<String, Option<Value>>,
[INFO] [stdout] 17 |     env_id: Uuid,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Memory` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/umpteen/exec/interpreter.rs:67:18
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn scan(src: &str) -> Vec<Token> {
[INFO] [stdout]    |                  ^^^^         ----- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn scan(src: &str) -> Vec<Token<'_>> {
[INFO] [stdout]    |                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/umpteen/exec/parse.rs:402:16
[INFO] [stdout]     |
[INFO] [stdout] 402 |     fn advance(&mut self) -> Token {
[INFO] [stdout]     |                ^^^^^^^^^     ----- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                |
[INFO] [stdout]     |                this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 402 |     fn advance(&mut self) -> Token<'_> {
[INFO] [stdout]     |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/umpteen/exec/parse.rs:409:16
[INFO] [stdout]     |
[INFO] [stdout] 409 |     fn consume(&mut self, kind: TokenType) -> Result<Token, ParseError> {
[INFO] [stdout]     |                ^^^^^^^^^                             ----- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                |
[INFO] [stdout]     |                this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 409 |     fn consume(&mut self, kind: TokenType) -> Result<Token<'_>, ParseError> {
[INFO] [stdout]     |                                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/umpteen/exec/parse.rs:433:13
[INFO] [stdout]     |
[INFO] [stdout] 433 |     fn peek(&self) -> Token {
[INFO] [stdout]     |             ^^^^^     ----- the lifetime gets resolved as `'_`
[INFO] [stdout]     |             |
[INFO] [stdout]     |             this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 433 |     fn peek(&self) -> Token<'_> {
[INFO] [stdout]     |                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mutable`
[INFO] [stdout]    --> src/umpteen/exec/parse.rs:184:36
[INFO] [stdout]     |
[INFO] [stdout] 184 |     fn declare_variable(&mut self, mutable: bool) -> Result<Stmt, ParseError> {
[INFO] [stdout]     |                                    ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mutable`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `env_id` is never read
[INFO] [stdout]   --> src/umpteen/exec/env.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Memory {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 16 |     vars: HashMap<String, Option<Value>>,
[INFO] [stdout] 17 |     env_id: Uuid,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Memory` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/umpteen/exec/interpreter.rs:67:18
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn scan(src: &str) -> Vec<Token> {
[INFO] [stdout]    |                  ^^^^         ----- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn scan(src: &str) -> Vec<Token<'_>> {
[INFO] [stdout]    |                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/umpteen/exec/parse.rs:402:16
[INFO] [stdout]     |
[INFO] [stdout] 402 |     fn advance(&mut self) -> Token {
[INFO] [stdout]     |                ^^^^^^^^^     ----- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                |
[INFO] [stdout]     |                this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 402 |     fn advance(&mut self) -> Token<'_> {
[INFO] [stdout]     |                                   ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/umpteen/exec/parse.rs:409:16
[INFO] [stdout]     |
[INFO] [stdout] 409 |     fn consume(&mut self, kind: TokenType) -> Result<Token, ParseError> {
[INFO] [stdout]     |                ^^^^^^^^^                             ----- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                |
[INFO] [stdout]     |                this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 409 |     fn consume(&mut self, kind: TokenType) -> Result<Token<'_>, ParseError> {
[INFO] [stdout]     |                                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/umpteen/exec/parse.rs:433:13
[INFO] [stdout]     |
[INFO] [stdout] 433 |     fn peek(&self) -> Token {
[INFO] [stdout]     |             ^^^^^     ----- the lifetime gets resolved as `'_`
[INFO] [stdout]     |             |
[INFO] [stdout]     |             this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 433 |     fn peek(&self) -> Token<'_> {
[INFO] [stdout]     |                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.92s
[INFO] running `Command { std: "docker" "inspect" "0e06e7849d035f683c01c9544b6b1703ef37f5143ec2328442f61d4f94e9e99e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e06e7849d035f683c01c9544b6b1703ef37f5143ec2328442f61d4f94e9e99e", kill_on_drop: false }`
[INFO] [stdout] 0e06e7849d035f683c01c9544b6b1703ef37f5143ec2328442f61d4f94e9e99e
