[INFO] cloning repository https://github.com/mathlet/lisp-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mathlet/lisp-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmathlet%2Flisp-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmathlet%2Flisp-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a32be03347a66ad9ee8574294a5f9be91dd883b1
[INFO] testing mathlet/lisp-rs against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmathlet%2Flisp-rs" "/workspace/builds/worker-20/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-20/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mathlet/lisp-rs on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mathlet/lisp-rs
[INFO] finished tweaking git repo https://github.com/mathlet/lisp-rs
[INFO] tweaked toml for git repo https://github.com/mathlet/lisp-rs written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] crate git repo https://github.com/mathlet/lisp-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f1345467535e8432e7f0e6d28f93ea63e7e69b8d25f087c9c53a994ea645f23d
[INFO] running `Command { std: "docker" "start" "-a" "f1345467535e8432e7f0e6d28f93ea63e7e69b8d25f087c9c53a994ea645f23d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1345467535e8432e7f0e6d28f93ea63e7e69b8d25f087c9c53a994ea645f23d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1345467535e8432e7f0e6d28f93ea63e7e69b8d25f087c9c53a994ea645f23d", kill_on_drop: false }`
[INFO] [stdout] f1345467535e8432e7f0e6d28f93ea63e7e69b8d25f087c9c53a994ea645f23d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d5be6b5367e9fac92adfd61cbb8f95dc6b78d51d8a811e6fff809412d411248d
[INFO] running `Command { std: "docker" "start" "-a" "d5be6b5367e9fac92adfd61cbb8f95dc6b78d51d8a811e6fff809412d411248d", kill_on_drop: false }`
[INFO] [stderr]    Compiling lisp-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `peek`
[INFO] [stdout]   --> src/lexer.rs:92:12
[INFO] [stdout]    |
[INFO] [stdout] 92 |     pub fn peek(&mut self) -> (Option<&Token>, Option<&Span>) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Atom`
[INFO] [stdout]  --> src/ast.rs:1:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum Atom {
[INFO] [stdout]   |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Sexpr`
[INFO] [stdout]  --> src/ast.rs:6:6
[INFO] [stdout]   |
[INFO] [stdout] 6 | enum Sexpr {
[INFO] [stdout]   |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Literal`
[INFO] [stdout]   --> src/ast.rs:11:6
[INFO] [stdout]    |
[INFO] [stdout] 11 | enum Literal {
[INFO] [stdout]    |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `Command { std: "docker" "inspect" "d5be6b5367e9fac92adfd61cbb8f95dc6b78d51d8a811e6fff809412d411248d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5be6b5367e9fac92adfd61cbb8f95dc6b78d51d8a811e6fff809412d411248d", kill_on_drop: false }`
[INFO] [stdout] d5be6b5367e9fac92adfd61cbb8f95dc6b78d51d8a811e6fff809412d411248d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1bd6bd14d885114e0eaf09c86d176d1e5386b814ad04fcefb6c84967b627dc47
[INFO] running `Command { std: "docker" "start" "-a" "1bd6bd14d885114e0eaf09c86d176d1e5386b814ad04fcefb6c84967b627dc47", kill_on_drop: false }`
[INFO] [stderr]    Compiling lisp-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `peek`
[INFO] [stdout]   --> src/lexer.rs:92:12
[INFO] [stdout]    |
[INFO] [stdout] 92 |     pub fn peek(&mut self) -> (Option<&Token>, Option<&Span>) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Atom`
[INFO] [stdout]  --> src/ast.rs:1:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum Atom {
[INFO] [stdout]   |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Sexpr`
[INFO] [stdout]  --> src/ast.rs:6:6
[INFO] [stdout]   |
[INFO] [stdout] 6 | enum Sexpr {
[INFO] [stdout]   |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Literal`
[INFO] [stdout]   --> src/ast.rs:11:6
[INFO] [stdout]    |
[INFO] [stdout] 11 | enum Literal {
[INFO] [stdout]    |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "1bd6bd14d885114e0eaf09c86d176d1e5386b814ad04fcefb6c84967b627dc47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bd6bd14d885114e0eaf09c86d176d1e5386b814ad04fcefb6c84967b627dc47", kill_on_drop: false }`
[INFO] [stdout] 1bd6bd14d885114e0eaf09c86d176d1e5386b814ad04fcefb6c84967b627dc47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a3ff794bf28bff8b04eb8407706cf505492fa896726cdaca41ca3d9a470cef47
[INFO] running `Command { std: "docker" "start" "-a" "a3ff794bf28bff8b04eb8407706cf505492fa896726cdaca41ca3d9a470cef47", kill_on_drop: false }`
[INFO] [stderr] warning: associated function is never used: `peek`
[INFO] [stderr]   --> src/lexer.rs:92:12
[INFO] [stderr]    |
[INFO] [stderr] 92 |     pub fn peek(&mut self) -> (Option<&Token>, Option<&Span>) {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Atom`
[INFO] [stderr]  --> src/ast.rs:1:6
[INFO] [stderr]   |
[INFO] [stderr] 1 | enum Atom {
[INFO] [stderr]   |      ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Sexpr`
[INFO] [stderr]  --> src/ast.rs:6:6
[INFO] [stderr]   |
[INFO] [stderr] 6 | enum Sexpr {
[INFO] [stderr]   |      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Literal`
[INFO] [stderr]   --> src/ast.rs:11:6
[INFO] [stderr]    |
[INFO] [stderr] 11 | enum Literal {
[INFO] [stderr]    |      ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `lisp-rs` (bin "lisp-rs" test) generated 4 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lisp_rs-2d4c370a6f859763)
[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" "a3ff794bf28bff8b04eb8407706cf505492fa896726cdaca41ca3d9a470cef47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3ff794bf28bff8b04eb8407706cf505492fa896726cdaca41ca3d9a470cef47", kill_on_drop: false }`
[INFO] [stdout] a3ff794bf28bff8b04eb8407706cf505492fa896726cdaca41ca3d9a470cef47