[INFO] cloning repository https://github.com/Hugal31/rcc
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Hugal31/rcc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHugal31%2Frcc"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHugal31%2Frcc'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 93d1273d09c247429d6ceae9f75e8cc16b211a31
[INFO] checking Hugal31/rcc against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHugal31%2Frcc" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Hugal31/rcc on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Hugal31/rcc
[INFO] finished tweaking git repo https://github.com/Hugal31/rcc
[INFO] tweaked toml for git repo https://github.com/Hugal31/rcc written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/Hugal31/rcc already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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] 9d21310d16b5f37d2f24932424998d86f5a53d6d8e18d4e5fe4bae1cc1d48388
[INFO] running `"docker" "start" "-a" "9d21310d16b5f37d2f24932424998d86f5a53d6d8e18d4e5fe4bae1cc1d48388"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking libc v0.2.41
[INFO] [stderr]    Compiling backtrace-sys v0.1.21
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking atty v0.2.10
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking nom v3.2.1
[INFO] [stderr]     Checking clap v2.31.2
[INFO] [stderr]     Checking backtrace v0.3.8
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking rcc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/compile/mod.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | /     error_chain! {
[INFO] [stderr] 12 | |         errors {
[INFO] [stderr] 13 | |             VariableAlreadyExists
[INFO] [stderr] 14 | |             UnknownVariable
[INFO] [stderr] ...  |
[INFO] [stderr] 19 | |         }
[INFO] [stderr] 20 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/lib.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 | /     error_chain! {
[INFO] [stderr] 24 | |         errors {
[INFO] [stderr] 25 | |             SyntaxError(desc: String) {
[INFO] [stderr] 26 | |                 description("syntax error")
[INFO] [stderr] ...  |
[INFO] [stderr] 35 | |         }
[INFO] [stderr] 36 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/compile/mod.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | /     error_chain! {
[INFO] [stderr] 12 | |         errors {
[INFO] [stderr] 13 | |             VariableAlreadyExists
[INFO] [stderr] 14 | |             UnknownVariable
[INFO] [stderr] ...  |
[INFO] [stderr] 19 | |         }
[INFO] [stderr] 20 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/lib.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 | /     error_chain! {
[INFO] [stderr] 24 | |         errors {
[INFO] [stderr] 25 | |             SyntaxError(desc: String) {
[INFO] [stderr] 26 | |                 description("syntax error")
[INFO] [stderr] ...  |
[INFO] [stderr] 35 | |         }
[INFO] [stderr] 36 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_scope_size`
[INFO] [stderr]   --> src/compile/context.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub fn get_scope_size(&self) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/compile/scope.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn new() -> Scope<'a> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_scope_size`
[INFO] [stderr]   --> src/compile/context.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub fn get_scope_size(&self) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.94s
[INFO] running `"docker" "inspect" "9d21310d16b5f37d2f24932424998d86f5a53d6d8e18d4e5fe4bae1cc1d48388"`
[INFO] running `"docker" "rm" "-f" "9d21310d16b5f37d2f24932424998d86f5a53d6d8e18d4e5fe4bae1cc1d48388"`
[INFO] [stdout] 9d21310d16b5f37d2f24932424998d86f5a53d6d8e18d4e5fe4bae1cc1d48388