[INFO] cloning repository https://github.com/YJH16120/rlox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/YJH16120/rlox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYJH16120%2Frlox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYJH16120%2Frlox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8f036f20be19a6cd18d974343d31a7a9a0f682b8
[INFO] testing YJH16120/rlox against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYJH16120%2Frlox" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/YJH16120/rlox
[INFO] finished tweaking git repo https://github.com/YJH16120/rlox
[INFO] tweaked toml for git repo https://github.com/YJH16120/rlox written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/YJH16120/rlox on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/YJH16120/rlox 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 578fd620ba3106e0cb7037386d03ae09b3daad85e5c86e56bcd6ee881b51f8b5
[INFO] running `Command { std: "docker" "start" "-a" "578fd620ba3106e0cb7037386d03ae09b3daad85e5c86e56bcd6ee881b51f8b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "578fd620ba3106e0cb7037386d03ae09b3daad85e5c86e56bcd6ee881b51f8b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "578fd620ba3106e0cb7037386d03ae09b3daad85e5c86e56bcd6ee881b51f8b5", kill_on_drop: false }`
[INFO] [stdout] 578fd620ba3106e0cb7037386d03ae09b3daad85e5c86e56bcd6ee881b51f8b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 509e8ec0842e488d883777080bc23bbd3169f21817ce41e6362b604c802155ac
[INFO] running `Command { std: "docker" "start" "-a" "509e8ec0842e488d883777080bc23bbd3169f21817ce41e6362b604c802155ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.100
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling lox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `token_type::*`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use token_type::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ast::*`
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use ast::*;
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `check_tokens` is never used
[INFO] [stdout]   --> src/main.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl Lox {
[INFO] [stdout]    | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 56 |     fn check_tokens(&self, scanner: Scanner) {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `add_token` is never used
[INFO] [stdout]    --> src/scanner.rs:259:8
[INFO] [stdout]     |
[INFO] [stdout] 16  | impl Scanner {
[INFO] [stdout]     | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 259 |     fn add_token(&mut self, kind: TokenType, literal: String) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Ptr` is never used
[INFO] [stdout]  --> src/ast.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | type Ptr<T> = Box<T>;
[INFO] [stdout]   |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `ExprPtr` is never used
[INFO] [stdout]  --> src/ast.rs:4:6
[INFO] [stdout]   |
[INFO] [stdout] 4 | type ExprPtr = Ptr<Expr>;
[INFO] [stdout]   |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Literal` is never used
[INFO] [stdout]  --> src/ast.rs:6:6
[INFO] [stdout]   |
[INFO] [stdout] 6 | enum Literal {
[INFO] [stdout]   |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Expr` is never used
[INFO] [stdout]   --> src/ast.rs:11:6
[INFO] [stdout]    |
[INFO] [stdout] 11 | enum Expr {
[INFO] [stdout]    |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `stringify` is never used
[INFO] [stdout]   --> src/ast.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn stringify(expr: &Expr) -> String {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.59s
[INFO] running `Command { std: "docker" "inspect" "509e8ec0842e488d883777080bc23bbd3169f21817ce41e6362b604c802155ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "509e8ec0842e488d883777080bc23bbd3169f21817ce41e6362b604c802155ac", kill_on_drop: false }`
[INFO] [stdout] 509e8ec0842e488d883777080bc23bbd3169f21817ce41e6362b604c802155ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 421b2724766e016b8f6e5e1e0af462a2cd443a1c5c9b5841946685b54e46596f
[INFO] running `Command { std: "docker" "start" "-a" "421b2724766e016b8f6e5e1e0af462a2cd443a1c5c9b5841946685b54e46596f", kill_on_drop: false }`
[INFO] [stderr]    Compiling lox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `token_type::*`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use token_type::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ast::*`
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use ast::*;
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `check_tokens` is never used
[INFO] [stdout]   --> src/main.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl Lox {
[INFO] [stdout]    | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 56 |     fn check_tokens(&self, scanner: Scanner) {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `add_token` is never used
[INFO] [stdout]    --> src/scanner.rs:259:8
[INFO] [stdout]     |
[INFO] [stdout] 16  | impl Scanner {
[INFO] [stdout]     | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 259 |     fn add_token(&mut self, kind: TokenType, literal: String) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Ptr` is never used
[INFO] [stdout]  --> src/ast.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | type Ptr<T> = Box<T>;
[INFO] [stdout]   |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `ExprPtr` is never used
[INFO] [stdout]  --> src/ast.rs:4:6
[INFO] [stdout]   |
[INFO] [stdout] 4 | type ExprPtr = Ptr<Expr>;
[INFO] [stdout]   |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Literal` is never used
[INFO] [stdout]  --> src/ast.rs:6:6
[INFO] [stdout]   |
[INFO] [stdout] 6 | enum Literal {
[INFO] [stdout]   |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Expr` is never used
[INFO] [stdout]   --> src/ast.rs:11:6
[INFO] [stdout]    |
[INFO] [stdout] 11 | enum Expr {
[INFO] [stdout]    |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `stringify` is never used
[INFO] [stdout]   --> src/ast.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn stringify(expr: &Expr) -> String {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "421b2724766e016b8f6e5e1e0af462a2cd443a1c5c9b5841946685b54e46596f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "421b2724766e016b8f6e5e1e0af462a2cd443a1c5c9b5841946685b54e46596f", kill_on_drop: false }`
[INFO] [stdout] 421b2724766e016b8f6e5e1e0af462a2cd443a1c5c9b5841946685b54e46596f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 58e042515b8e57760295f984c15ea06236843cc8b533c8b4705ad22cc4a7e40e
[INFO] running `Command { std: "docker" "start" "-a" "58e042515b8e57760295f984c15ea06236843cc8b533c8b4705ad22cc4a7e40e", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `token_type::*`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use token_type::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ast::*`
[INFO] [stderr]   --> src/main.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use ast::*;
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `check_tokens` is never used
[INFO] [stderr]   --> src/main.rs:56:8
[INFO] [stderr]    |
[INFO] [stderr] 19 | impl Lox {
[INFO] [stderr]    | -------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 56 |     fn check_tokens(&self, scanner: Scanner) {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `add_token` is never used
[INFO] [stderr]    --> src/scanner.rs:259:8
[INFO] [stderr]     |
[INFO] [stderr] 16  | impl Scanner {
[INFO] [stderr]     | ------------ method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 259 |     fn add_token(&mut self, kind: TokenType, literal: String) {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias `Ptr` is never used
[INFO] [stderr]  --> src/ast.rs:3:6
[INFO] [stderr]   |
[INFO] [stderr] 3 | type Ptr<T> = Box<T>;
[INFO] [stderr]   |      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias `ExprPtr` is never used
[INFO] [stderr]  --> src/ast.rs:4:6
[INFO] [stderr]   |
[INFO] [stderr] 4 | type ExprPtr = Ptr<Expr>;
[INFO] [stderr]   |      ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Literal` is never used
[INFO] [stderr]  --> src/ast.rs:6:6
[INFO] [stderr]   |
[INFO] [stderr] 6 | enum Literal {
[INFO] [stderr]   |      ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Expr` is never used
[INFO] [stderr]   --> src/ast.rs:11:6
[INFO] [stderr]    |
[INFO] [stderr] 11 | enum Expr {
[INFO] [stderr]    |      ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `stringify` is never used
[INFO] [stderr]   --> src/ast.rs:18:4
[INFO] [stderr]    |
[INFO] [stderr] 18 | fn stringify(expr: &Expr) -> String {
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `lox` (bin "lox" test) generated 9 warnings (run `cargo fix --bin "lox" --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/lox-85402918b38528f4)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "58e042515b8e57760295f984c15ea06236843cc8b533c8b4705ad22cc4a7e40e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58e042515b8e57760295f984c15ea06236843cc8b533c8b4705ad22cc4a7e40e", kill_on_drop: false }`
[INFO] [stdout] 58e042515b8e57760295f984c15ea06236843cc8b533c8b4705ad22cc4a7e40e