[INFO] updating cached repository https://github.com/sinesc/itsy
[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] [stderr] From https://github.com/sinesc/itsy
[INFO] [stderr]  - [deleted]         (none)     -> heap-constructor
[INFO] [stderr]    ecc6caa..dce2085  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] dce20857a5a2d2eb3a294f08ae115de4bdb8194c
[INFO] checking sinesc/itsy against try#ba14a92a10441c4b839ce71e6ef5f7a48bbff18f for prs-64470-and-65389
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsinesc%2Fitsy" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sinesc/itsy on toolchain ba14a92a10441c4b839ce71e6ef5f7a48bbff18f
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba14a92a10441c4b839ce71e6ef5f7a48bbff18f" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/sinesc/itsy
[INFO] finished tweaking git repo https://github.com/sinesc/itsy
[INFO] tweaked toml for git repo https://github.com/sinesc/itsy written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/sinesc/itsy already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba14a92a10441c4b839ce71e6ef5f7a48bbff18f" "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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+ba14a92a10441c4b839ce71e6ef5f7a48bbff18f" "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] 640c5901a6b09c288a093d11a823b74c5f963d3def277cbc8e0266b0226b69f1
[INFO] running `"docker" "start" "-a" "640c5901a6b09c288a093d11a823b74c5f963d3def277cbc8e0266b0226b69f1"`
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking itsy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]    --> src/util/types.rs:249:25
[INFO] [stderr]     |
[INFO] [stderr] 249 |             Type::Array(a)      => false, // FIXME just testing ref array
[INFO] [stderr]     |                         ^ help: consider prefixing with an underscore: `_a`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]    --> src/util/types.rs:249:25
[INFO] [stderr]     |
[INFO] [stderr] 249 |             Type::Array(a)      => false, // FIXME just testing ref array
[INFO] [stderr]     |                         ^ help: consider prefixing with an underscore: `_a`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `RuntimeError`
[INFO] [stderr]   --> src/runtime/vm.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     RuntimeError,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ArrayRef`
[INFO] [stderr]    --> src/util/types.rs:342:5
[INFO] [stderr]     |
[INFO] [stderr] 342 |     ArrayRef,       // 177 NYI
[INFO] [stderr]     |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `RuntimeError`
[INFO] [stderr]   --> src/runtime/vm.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     RuntimeError,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ArrayRef`
[INFO] [stderr]    --> src/util/types.rs:342:5
[INFO] [stderr]     |
[INFO] [stderr] 342 |     ArrayRef,       // 177 NYI
[INFO] [stderr]     |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.72s
[INFO] running `"docker" "inspect" "640c5901a6b09c288a093d11a823b74c5f963d3def277cbc8e0266b0226b69f1"`
[INFO] running `"docker" "rm" "-f" "640c5901a6b09c288a093d11a823b74c5f963d3def277cbc8e0266b0226b69f1"`
[INFO] [stdout] 640c5901a6b09c288a093d11a823b74c5f963d3def277cbc8e0266b0226b69f1