[INFO] cloning repository https://github.com/utam0k/r8cc
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/utam0k/r8cc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Futam0k%2Fr8cc"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Futam0k%2Fr8cc'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 60d03075da9d0a8f73d50f99b70cd2de706f7ca6
[INFO] testing utam0k/r8cc against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Futam0k%2Fr8cc" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/utam0k/r8cc on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/utam0k/r8cc
[INFO] finished tweaking git repo https://github.com/utam0k/r8cc
[INFO] tweaked toml for git repo https://github.com/utam0k/r8cc written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/utam0k/r8cc already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c026a69cf8116869e3fd758dad264d99013bff00cf25c93d897f6a0e3fd92397
[INFO] running `"docker" "start" "-a" "c026a69cf8116869e3fd758dad264d99013bff00cf25c93d897f6a0e3fd92397"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling lazy_static v1.0.1
[INFO] [stderr]    Compiling r8cc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lex.rs:146:16
[INFO] [stderr]     |
[INFO] [stderr] 146 |             '0'...'9' => read_number(c),
[INFO] [stderr]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lex.rs:149:16
[INFO] [stderr]     |
[INFO] [stderr] 149 |             'a'...'z' | 'A'...'Z' | '_' => read_ident(c.clone()),
[INFO] [stderr]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lex.rs:149:28
[INFO] [stderr]     |
[INFO] [stderr] 149 |             'a'...'z' | 'A'...'Z' | '_' => read_ident(c.clone()),
[INFO] [stderr]     |                            ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lib.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | / lazy_static! {
[INFO] [stderr] 16 | |     pub static ref CONTEXT: Mutex<context::Context> = {
[INFO] [stderr] 17 | |         Mutex::new(context::Context::new())
[INFO] [stderr] 18 | |     };
[INFO] [stderr] ...  |
[INFO] [stderr] 27 | |     };
[INFO] [stderr] 28 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lib.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | / lazy_static! {
[INFO] [stderr] 16 | |     pub static ref CONTEXT: Mutex<context::Context> = {
[INFO] [stderr] 17 | |         Mutex::new(context::Context::new())
[INFO] [stderr] 18 | |     };
[INFO] [stderr] ...  |
[INFO] [stderr] 27 | |     };
[INFO] [stderr] 28 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:260:21
[INFO] [stderr]     |
[INFO] [stderr] 260 |                 let mut reg;
[INFO] [stderr]     |                     ----^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.43s
[INFO] running `"docker" "inspect" "c026a69cf8116869e3fd758dad264d99013bff00cf25c93d897f6a0e3fd92397"`
[INFO] running `"docker" "rm" "-f" "c026a69cf8116869e3fd758dad264d99013bff00cf25c93d897f6a0e3fd92397"`
[INFO] [stdout] c026a69cf8116869e3fd758dad264d99013bff00cf25c93d897f6a0e3fd92397
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 32b1a2dc8b7f1ba2fc2b9fa755ea042eda550fe108a69807487913277e3786e0
[INFO] running `"docker" "start" "-a" "32b1a2dc8b7f1ba2fc2b9fa755ea042eda550fe108a69807487913277e3786e0"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling r8cc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lex.rs:146:16
[INFO] [stderr]     |
[INFO] [stderr] 146 |             '0'...'9' => read_number(c),
[INFO] [stderr]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lex.rs:149:16
[INFO] [stderr]     |
[INFO] [stderr] 149 |             'a'...'z' | 'A'...'Z' | '_' => read_ident(c.clone()),
[INFO] [stderr]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lex.rs:149:28
[INFO] [stderr]     |
[INFO] [stderr] 149 |             'a'...'z' | 'A'...'Z' | '_' => read_ident(c.clone()),
[INFO] [stderr]     |                            ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lib.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | / lazy_static! {
[INFO] [stderr] 16 | |     pub static ref CONTEXT: Mutex<context::Context> = {
[INFO] [stderr] 17 | |         Mutex::new(context::Context::new())
[INFO] [stderr] 18 | |     };
[INFO] [stderr] ...  |
[INFO] [stderr] 27 | |     };
[INFO] [stderr] 28 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lib.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | / lazy_static! {
[INFO] [stderr] 16 | |     pub static ref CONTEXT: Mutex<context::Context> = {
[INFO] [stderr] 17 | |         Mutex::new(context::Context::new())
[INFO] [stderr] 18 | |     };
[INFO] [stderr] ...  |
[INFO] [stderr] 27 | |     };
[INFO] [stderr] 28 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:260:21
[INFO] [stderr]     |
[INFO] [stderr] 260 |                 let mut reg;
[INFO] [stderr]     |                     ----^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lex.rs:146:16
[INFO] [stderr]     |
[INFO] [stderr] 146 |             '0'...'9' => read_number(c),
[INFO] [stderr]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lex.rs:149:16
[INFO] [stderr]     |
[INFO] [stderr] 149 |             'a'...'z' | 'A'...'Z' | '_' => read_ident(c.clone()),
[INFO] [stderr]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lex.rs:149:28
[INFO] [stderr]     |
[INFO] [stderr] 149 |             'a'...'z' | 'A'...'Z' | '_' => read_ident(c.clone()),
[INFO] [stderr]     |                            ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lib.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | / lazy_static! {
[INFO] [stderr] 16 | |     pub static ref CONTEXT: Mutex<context::Context> = {
[INFO] [stderr] 17 | |         Mutex::new(context::Context::new())
[INFO] [stderr] 18 | |     };
[INFO] [stderr] ...  |
[INFO] [stderr] 27 | |     };
[INFO] [stderr] 28 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lib.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | / lazy_static! {
[INFO] [stderr] 16 | |     pub static ref CONTEXT: Mutex<context::Context> = {
[INFO] [stderr] 17 | |         Mutex::new(context::Context::new())
[INFO] [stderr] 18 | |     };
[INFO] [stderr] ...  |
[INFO] [stderr] 27 | |     };
[INFO] [stderr] 28 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:260:21
[INFO] [stderr]     |
[INFO] [stderr] 260 |                 let mut reg;
[INFO] [stderr]     |                     ----^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `"docker" "inspect" "32b1a2dc8b7f1ba2fc2b9fa755ea042eda550fe108a69807487913277e3786e0"`
[INFO] running `"docker" "rm" "-f" "32b1a2dc8b7f1ba2fc2b9fa755ea042eda550fe108a69807487913277e3786e0"`
[INFO] [stdout] 32b1a2dc8b7f1ba2fc2b9fa755ea042eda550fe108a69807487913277e3786e0
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 870440c9663365dd84d1fa96055e4633b71cee5db33bacfcf885b6d1b319e5fa
[INFO] running `"docker" "start" "-a" "870440c9663365dd84d1fa96055e4633b71cee5db33bacfcf885b6d1b319e5fa"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lex.rs:146:16
[INFO] [stderr]     |
[INFO] [stderr] 146 |             '0'...'9' => read_number(c),
[INFO] [stderr]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lex.rs:146:16
[INFO] [stderr]     |
[INFO] [stderr] 146 |             '0'...'9' => read_number(c),
[INFO] [stderr]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lex.rs:149:16
[INFO] [stderr]     |
[INFO] [stderr] 149 |             'a'...'z' | 'A'...'Z' | '_' => read_ident(c.clone()),
[INFO] [stderr]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lex.rs:149:16
[INFO] [stderr]     |
[INFO] [stderr] 149 |             'a'...'z' | 'A'...'Z' | '_' => read_ident(c.clone()),
[INFO] [stderr]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lex.rs:149:28
[INFO] [stderr]     |
[INFO] [stderr] 149 |             'a'...'z' | 'A'...'Z' | '_' => read_ident(c.clone()),
[INFO] [stderr]     |                            ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lex.rs:149:28
[INFO] [stderr]     |
[INFO] [stderr] 149 |             'a'...'z' | 'A'...'Z' | '_' => read_ident(c.clone()),
[INFO] [stderr]     |                            ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lib.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | / lazy_static! {
[INFO] [stderr] 16 | |     pub static ref CONTEXT: Mutex<context::Context> = {
[INFO] [stderr] 17 | |         Mutex::new(context::Context::new())
[INFO] [stderr] 18 | |     };
[INFO] [stderr] ...  |
[INFO] [stderr] 27 | |     };
[INFO] [stderr] 28 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lib.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | / lazy_static! {
[INFO] [stderr] 16 | |     pub static ref CONTEXT: Mutex<context::Context> = {
[INFO] [stderr] 17 | |         Mutex::new(context::Context::new())
[INFO] [stderr] 18 | |     };
[INFO] [stderr] ...  |
[INFO] [stderr] 27 | |     };
[INFO] [stderr] 28 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lib.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | / lazy_static! {
[INFO] [stderr] 16 | |     pub static ref CONTEXT: Mutex<context::Context> = {
[INFO] [stderr] 17 | |         Mutex::new(context::Context::new())
[INFO] [stderr] 18 | |     };
[INFO] [stderr] ...  |
[INFO] [stderr] 27 | |     };
[INFO] [stderr] 28 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:260:21
[INFO] [stderr]     |
[INFO] [stderr] 260 |                 let mut reg;
[INFO] [stderr]     |                     ----^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lib.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | / lazy_static! {
[INFO] [stderr] 16 | |     pub static ref CONTEXT: Mutex<context::Context> = {
[INFO] [stderr] 17 | |         Mutex::new(context::Context::new())
[INFO] [stderr] 18 | |     };
[INFO] [stderr] ...  |
[INFO] [stderr] 27 | |     };
[INFO] [stderr] 28 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:260:21
[INFO] [stderr]     |
[INFO] [stderr] 260 |                 let mut reg;
[INFO] [stderr]     |                     ----^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/r8cc-3b09229a9a249ed7
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/r8cc-f2f303c8f3eb0ac1
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests r8cc
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "870440c9663365dd84d1fa96055e4633b71cee5db33bacfcf885b6d1b319e5fa"`
[INFO] running `"docker" "rm" "-f" "870440c9663365dd84d1fa96055e4633b71cee5db33bacfcf885b6d1b319e5fa"`
[INFO] [stdout] 870440c9663365dd84d1fa96055e4633b71cee5db33bacfcf885b6d1b319e5fa