[INFO] cloning repository https://github.com/fx2y/make-a-lisp-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fx2y/make-a-lisp-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffx2y%2Fmake-a-lisp-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffx2y%2Fmake-a-lisp-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 25278e2f7045a399e4bcf67fa34e200f281eddaa
[INFO] checking fx2y/make-a-lisp-rust against master#36b21637e93b038453924d3c66821089e71d8baa for pr-143164
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffx2y%2Fmake-a-lisp-rust" "/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/fx2y/make-a-lisp-rust
[INFO] finished tweaking git repo https://github.com/fx2y/make-a-lisp-rust
[INFO] tweaked toml for git repo https://github.com/fx2y/make-a-lisp-rust written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/fx2y/make-a-lisp-rust on toolchain 36b21637e93b038453924d3c66821089e71d8baa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/fx2y/make-a-lisp-rust 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" "+36b21637e93b038453924d3c66821089e71d8baa" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustyline v5.0.5
[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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1870208c1ff2f47a707bfa6cab663d9aa39f677594f6f5a32beee246d3b81d02
[INFO] running `Command { std: "docker" "start" "-a" "1870208c1ff2f47a707bfa6cab663d9aa39f677594f6f5a32beee246d3b81d02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1870208c1ff2f47a707bfa6cab663d9aa39f677594f6f5a32beee246d3b81d02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1870208c1ff2f47a707bfa6cab663d9aa39f677594f6f5a32beee246d3b81d02", kill_on_drop: false }`
[INFO] [stdout] 1870208c1ff2f47a707bfa6cab663d9aa39f677594f6f5a32beee246d3b81d02
[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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 640f83f4c56b53305172671fe04b66b5a4cd7a5be01b9d5d195b8bb9258233cd
[INFO] running `Command { std: "docker" "start" "-a" "640f83f4c56b53305172671fe04b66b5a4cd7a5be01b9d5d195b8bb9258233cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking utf8parse v0.1.1
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking rustyline v5.0.5
[INFO] [stderr]     Checking mal v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> src/types.rs:16:27
[INFO] [stdout]    |
[INFO] [stdout] 16 |     List(Rc<Vec<MalVal>>, Rc<MalVal>),
[INFO] [stdout]    |     ----                  ^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MalVal` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 16 -     List(Rc<Vec<MalVal>>, Rc<MalVal>),
[INFO] [stdout] 16 +     List(Rc<Vec<MalVal>>, ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> src/types.rs:16:27
[INFO] [stdout]    |
[INFO] [stdout] 16 |     List(Rc<Vec<MalVal>>, Rc<MalVal>),
[INFO] [stdout]    |     ----                  ^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MalVal` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 16 -     List(Rc<Vec<MalVal>>, Rc<MalVal>),
[INFO] [stdout] 16 +     List(Rc<Vec<MalVal>>, ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> src/types.rs:17:29
[INFO] [stdout]    |
[INFO] [stdout] 17 |     Vector(Rc<Vec<MalVal>>, Rc<MalVal>),
[INFO] [stdout]    |     ------                  ^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MalVal` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 17 -     Vector(Rc<Vec<MalVal>>, Rc<MalVal>),
[INFO] [stdout] 17 +     Vector(Rc<Vec<MalVal>>, ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> src/types.rs:18:42
[INFO] [stdout]    |
[INFO] [stdout] 18 |     Hash(Rc<FnvHashMap<String, MalVal>>, Rc<MalVal>),
[INFO] [stdout]    |     ---- field in this variant           ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MalVal` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 18 -     Hash(Rc<FnvHashMap<String, MalVal>>, Rc<MalVal>),
[INFO] [stdout] 18 +     Hash(Rc<FnvHashMap<String, MalVal>>, ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> src/types.rs:19:33
[INFO] [stdout]    |
[INFO] [stdout] 19 |     Func(fn(MalArgs) -> MalRet, Rc<MalVal>),
[INFO] [stdout]    |     ---- field in this variant  ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MalVal` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 19 -     Func(fn(MalArgs) -> MalRet, Rc<MalVal>),
[INFO] [stdout] 19 +     Func(fn(MalArgs) -> MalRet, ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> src/types.rs:17:29
[INFO] [stdout]    |
[INFO] [stdout] 17 |     Vector(Rc<Vec<MalVal>>, Rc<MalVal>),
[INFO] [stdout]    |     ------                  ^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MalVal` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 17 -     Vector(Rc<Vec<MalVal>>, Rc<MalVal>),
[INFO] [stdout] 17 +     Vector(Rc<Vec<MalVal>>, ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> src/types.rs:18:42
[INFO] [stdout]    |
[INFO] [stdout] 18 |     Hash(Rc<FnvHashMap<String, MalVal>>, Rc<MalVal>),
[INFO] [stdout]    |     ---- field in this variant           ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MalVal` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 18 -     Hash(Rc<FnvHashMap<String, MalVal>>, Rc<MalVal>),
[INFO] [stdout] 18 +     Hash(Rc<FnvHashMap<String, MalVal>>, ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `1` is never read
[INFO] [stdout]   --> src/types.rs:19:33
[INFO] [stdout]    |
[INFO] [stdout] 19 |     Func(fn(MalArgs) -> MalRet, Rc<MalVal>),
[INFO] [stdout]    |     ---- field in this variant  ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MalVal` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 19 -     Func(fn(MalArgs) -> MalRet, Rc<MalVal>),
[INFO] [stdout] 19 +     Func(fn(MalArgs) -> MalRet, ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.32s
[INFO] running `Command { std: "docker" "inspect" "640f83f4c56b53305172671fe04b66b5a4cd7a5be01b9d5d195b8bb9258233cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "640f83f4c56b53305172671fe04b66b5a4cd7a5be01b9d5d195b8bb9258233cd", kill_on_drop: false }`
[INFO] [stdout] 640f83f4c56b53305172671fe04b66b5a4cd7a5be01b9d5d195b8bb9258233cd
