[INFO] updating cached repository https://github.com/reese/rox
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d22654184d4355c6ff382cf72c7cdef7d14e5b34
[INFO] checking reese/rox against master#ba72b15666b2491415aec703a02c2364fe5e2790 for pr-71140
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freese%2Frox" "/workspace/builds/worker-12/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/reese/rox on toolchain ba72b15666b2491415aec703a02c2364fe5e2790
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/reese/rox
[INFO] finished tweaking git repo https://github.com/reese/rox
[INFO] tweaked toml for git repo https://github.com/reese/rox written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/reese/rox already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a4e96f949c2675d32ee14ad82438bd13ad0606b0e13424124284d403dec2498a
[INFO] running `"docker" "start" "-a" "a4e96f949c2675d32ee14ad82438bd13ad0606b0e13424124284d403dec2498a"`
[INFO] [stderr]    Compiling fsio v0.1.2
[INFO] [stderr]    Compiling nias v0.4.0
[INFO] [stderr]     Checking text_io v0.1.7
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]     Checking rox v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking envmnt v0.8.1
[INFO] [stderr] warning: unused import: `crate::interpreter::TokenType::TokenSemicolon`
[INFO] [stderr]   --> src/interpreter/compile.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use crate::interpreter::TokenType::TokenSemicolon;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Checking ci_info v0.9.2
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/interpreter/vm.rs:81:17
[INFO] [stderr]    |
[INFO] [stderr] 81 |                 byte_code => unreachable!(
[INFO] [stderr]    |                 ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/interpreter/vm.rs:80:32
[INFO] [stderr]    |
[INFO] [stderr] 80 |                 Byte::Constant(x) => {}
[INFO] [stderr]    |                                ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `error`
[INFO] [stderr]    --> src/interpreter/compile.rs:148:5
[INFO] [stderr]     |
[INFO] [stderr] 148 |     fn error(&mut self, message: &str) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `TokenFor`
[INFO] [stderr]   --> src/interpreter/token.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     TokenFor,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `TokenFn`
[INFO] [stderr]   --> src/interpreter/token.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     TokenFn,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_object`
[INFO] [stderr]    --> src/interpreter/value.rs:108:5
[INFO] [stderr]     |
[INFO] [stderr] 108 |     pub fn is_object(&self) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]    Compiling rusty-hook v0.10.3
[INFO] [stderr] warning: unused import: `crate::interpreter::TokenType::TokenSemicolon`
[INFO] [stderr]   --> src/interpreter/compile.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use crate::interpreter::TokenType::TokenSemicolon;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/interpreter/vm.rs:81:17
[INFO] [stderr]    |
[INFO] [stderr] 81 |                 byte_code => unreachable!(
[INFO] [stderr]    |                 ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/interpreter/vm.rs:80:32
[INFO] [stderr]    |
[INFO] [stderr] 80 |                 Byte::Constant(x) => {}
[INFO] [stderr]    |                                ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `error`
[INFO] [stderr]    --> src/interpreter/compile.rs:148:5
[INFO] [stderr]     |
[INFO] [stderr] 148 |     fn error(&mut self, message: &str) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `TokenFor`
[INFO] [stderr]   --> src/interpreter/token.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     TokenFor,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `TokenFn`
[INFO] [stderr]   --> src/interpreter/token.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     TokenFn,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_object`
[INFO] [stderr]    --> src/interpreter/value.rs:108:5
[INFO] [stderr]     |
[INFO] [stderr] 108 |     pub fn is_object(&self) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.18s
[INFO] running `"docker" "inspect" "a4e96f949c2675d32ee14ad82438bd13ad0606b0e13424124284d403dec2498a"`
[INFO] running `"docker" "rm" "-f" "a4e96f949c2675d32ee14ad82438bd13ad0606b0e13424124284d403dec2498a"`
[INFO] [stdout] a4e96f949c2675d32ee14ad82438bd13ad0606b0e13424124284d403dec2498a