[INFO] cloning repository https://github.com/SpackHack/scheme-interpreter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SpackHack/scheme-interpreter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSpackHack%2Fscheme-interpreter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSpackHack%2Fscheme-interpreter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 25ffe05075f3f8ee17b14f7354bf23715bd711d1
[INFO] checking SpackHack/scheme-interpreter against master#db870ea71b6dcc7a91b999420b88f41d3cdd13e1 for pr-75192
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSpackHack%2Fscheme-interpreter" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SpackHack/scheme-interpreter on toolchain db870ea71b6dcc7a91b999420b88f41d3cdd13e1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SpackHack/scheme-interpreter
[INFO] finished tweaking git repo https://github.com/SpackHack/scheme-interpreter
[INFO] tweaked toml for git repo https://github.com/SpackHack/scheme-interpreter written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/SpackHack/scheme-interpreter already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b4d9951f2ea0fbca29ceb2b8862cf78c9c8a9068e33aca33844955281efd86c8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b4d9951f2ea0fbca29ceb2b8862cf78c9c8a9068e33aca33844955281efd86c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4d9951f2ea0fbca29ceb2b8862cf78c9c8a9068e33aca33844955281efd86c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4d9951f2ea0fbca29ceb2b8862cf78c9c8a9068e33aca33844955281efd86c8", kill_on_drop: false }`
[INFO] [stdout] b4d9951f2ea0fbca29ceb2b8862cf78c9c8a9068e33aca33844955281efd86c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5885fd959ad872400196341505a05141a8ece68065c245089b82ab0445a851c4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5885fd959ad872400196341505a05141a8ece68065c245089b82ab0445a851c4", kill_on_drop: false }`
[INFO] [stderr]     Checking scheme v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/scm/eval.rs:121:9
[INFO] [stdout]     |
[INFO] [stdout] 121 |         _ => {
[INFO] [stdout]     |         ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `next_body`
[INFO] [stdout]    --> src/scm/eval.rs:270:9
[INFO] [stdout]     |
[INFO] [stdout] 270 |     let mut next_body: Cons;
[INFO] [stdout]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_next_body`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `number`
[INFO] [stdout]   --> src/scm/selftest.rs:12:40
[INFO] [stdout]    |
[INFO] [stdout] 12 |         matches!(o,  ScmObject::NUMBER(number)),
[INFO] [stdout]    |                                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_number`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `print`
[INFO] [stdout]   --> src/scm/environment.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 61 |     pub fn print() {}
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `SCM_TRUE`
[INFO] [stdout]  --> src/scm/memory.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | static mut SCM_TRUE: Option<ScmObject> = None;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `SCM_FALSE`
[INFO] [stdout]  --> src/scm/memory.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | static mut SCM_FALSE: Option<ScmObject> = None;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `SCM_NULL`
[INFO] [stdout]  --> src/scm/memory.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | static mut SCM_NULL: Option<ScmObject> = None;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `init_singeltons`
[INFO] [stdout]   --> src/scm/memory.rs:10:15
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub unsafe fn init_singeltons() {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `None`
[INFO] [stdout]   --> src/scm/scmObject.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     None,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `If`
[INFO] [stdout]   --> src/scm/scmObject.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 |     If,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Begin`
[INFO] [stdout]   --> src/scm/scmObject.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 |     Begin,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `scmObject` should have a snake case name
[INFO] [stdout]  --> src/scm/mod.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub mod scmObject;
[INFO] [stdout]   |         ^^^^^^^^^ help: convert the identifier to snake case: `scm_object`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/scm/eval.rs:121:9
[INFO] [stdout]     |
[INFO] [stdout] 121 |         _ => {
[INFO] [stdout]     |         ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `next_body`
[INFO] [stdout]    --> src/scm/eval.rs:270:9
[INFO] [stdout]     |
[INFO] [stdout] 270 |     let mut next_body: Cons;
[INFO] [stdout]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_next_body`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `number`
[INFO] [stdout]   --> src/scm/selftest.rs:12:40
[INFO] [stdout]    |
[INFO] [stdout] 12 |         matches!(o,  ScmObject::NUMBER(number)),
[INFO] [stdout]    |                                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_number`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `print`
[INFO] [stdout]   --> src/scm/environment.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 61 |     pub fn print() {}
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `SCM_TRUE`
[INFO] [stdout]  --> src/scm/memory.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | static mut SCM_TRUE: Option<ScmObject> = None;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `SCM_FALSE`
[INFO] [stdout]  --> src/scm/memory.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | static mut SCM_FALSE: Option<ScmObject> = None;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `SCM_NULL`
[INFO] [stdout]  --> src/scm/memory.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | static mut SCM_NULL: Option<ScmObject> = None;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `init_singeltons`
[INFO] [stdout]   --> src/scm/memory.rs:10:15
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub unsafe fn init_singeltons() {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `None`
[INFO] [stdout]   --> src/scm/scmObject.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     None,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `If`
[INFO] [stdout]   --> src/scm/scmObject.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 |     If,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Begin`
[INFO] [stdout]   --> src/scm/scmObject.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 |     Begin,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `scmObject` should have a snake case name
[INFO] [stdout]  --> src/scm/mod.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub mod scmObject;
[INFO] [stdout]   |         ^^^^^^^^^ help: convert the identifier to snake case: `scm_object`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "5885fd959ad872400196341505a05141a8ece68065c245089b82ab0445a851c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5885fd959ad872400196341505a05141a8ece68065c245089b82ab0445a851c4", kill_on_drop: false }`
[INFO] [stdout] 5885fd959ad872400196341505a05141a8ece68065c245089b82ab0445a851c4