[INFO] cloning repository https://github.com/JonathanWoollett-Light/language
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JonathanWoollett-Light/language" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJonathanWoollett-Light%2Flanguage", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJonathanWoollett-Light%2Flanguage'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] db24bb1032736f2c1526fe3687d3efe6638bca9d
[INFO] checking JonathanWoollett-Light/language against nightly-2024-02-05 for check-cfg
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJonathanWoollett-Light%2Flanguage" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JonathanWoollett-Light/language on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JonathanWoollett-Light/language
[INFO] finished tweaking git repo https://github.com/JonathanWoollett-Light/language
[INFO] tweaked toml for git repo https://github.com/JonathanWoollett-Light/language written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/JonathanWoollett-Light/language already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6f7ad4e65b9893f5238c0dae048abbc61df472592779d2e36de4a002683c0783
[INFO] running `Command { std: "docker" "start" "-a" "6f7ad4e65b9893f5238c0dae048abbc61df472592779d2e36de4a002683c0783", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f7ad4e65b9893f5238c0dae048abbc61df472592779d2e36de4a002683c0783", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f7ad4e65b9893f5238c0dae048abbc61df472592779d2e36de4a002683c0783", kill_on_drop: false }`
[INFO] [stdout] 6f7ad4e65b9893f5238c0dae048abbc61df472592779d2e36de4a002683c0783
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8becaa9255cd99f024d8c32a052d6cebfe718ed2f3d70e29c5399cdb18ced3bb
[INFO] running `Command { std: "docker" "start" "-a" "8becaa9255cd99f024d8c32a052d6cebfe718ed2f3d70e29c5399cdb18ced3bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]    Compiling futures-task v0.3.29
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]    Compiling openssl v0.10.61
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling futures-util v0.3.29
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking tinyvec_macros v0.1.1
[INFO] [stderr]     Checking futures-io v0.3.29
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]     Checking futures-sink v0.3.29
[INFO] [stderr]    Compiling futures-channel v0.3.29
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking openssl-probe v0.1.5
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]     Checking percent-encoding v2.3.1
[INFO] [stderr]     Checking try-lock v0.2.5
[INFO] [stderr]     Checking http v0.2.11
[INFO] [stderr]     Checking want v0.3.1
[INFO] [stderr]     Checking form_urlencoded v1.2.1
[INFO] [stderr]     Checking httpdate v1.0.3
[INFO] [stderr]     Checking tower-service v0.3.2
[INFO] [stderr]     Checking unicode-bidi v0.3.14
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking ryu v1.0.16
[INFO] [stderr]     Checking encoding_rs v0.8.33
[INFO] [stderr]     Checking either v1.9.0
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[INFO] [stderr]     Checking untrusted v0.9.0
[INFO] [stderr]     Checking ipnet v2.9.0
[INFO] [stderr]    Compiling quote v1.0.33
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[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking itertools v0.11.0
[INFO] [stderr]     Checking indexmap v2.1.0
[INFO] [stderr]     Checking tracing-log v0.1.3
[INFO] [stderr]    Compiling syn v2.0.33
[INFO] [stderr]    Compiling cc v1.0.83
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[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]     Checking data-encoding v2.5.0
[INFO] [stderr]     Checking smallvec v1.11.0
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking socket2 v0.5.4
[INFO] [stderr]     Checking http-body v0.4.6
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking uuid v1.4.1
[INFO] [stderr]     Checking tokio v1.33.0
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]     Checking tracing-subscriber v0.3.17
[INFO] [stderr]    Compiling openssl-sys v0.9.97
[INFO] [stderr]    Compiling ring v0.17.7
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.26
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking h2 v0.3.22
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.22
[INFO] [stderr]     Checking language v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `def`
[INFO] [stdout]     --> src/middle.rs:1320:33
[INFO] [stdout]      |
[INFO] [stdout] 1320 |                     if let Some(def) = functions.get(rhs) =>
[INFO] [stdout]      |                                 ^^^ help: if this is intentional, prefix it with an underscore: `_def`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `def`
[INFO] [stdout]     --> src/middle.rs:1320:33
[INFO] [stdout]      |
[INFO] [stdout] 1320 |                     if let Some(def) = functions.get(rhs) =>
[INFO] [stdout]      |                                 ^^^ help: if this is intentional, prefix it with an underscore: `_def`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `empty`
[INFO] [stdout]   --> src/backend.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 76 |     empty: &mut bool,
[INFO] [stdout]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_empty`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `empty`
[INFO] [stdout]   --> src/backend.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 76 |     empty: &mut bool,
[INFO] [stdout]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_empty`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.27s
[INFO] running `Command { std: "docker" "inspect" "8becaa9255cd99f024d8c32a052d6cebfe718ed2f3d70e29c5399cdb18ced3bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8becaa9255cd99f024d8c32a052d6cebfe718ed2f3d70e29c5399cdb18ced3bb", kill_on_drop: false }`
[INFO] [stdout] 8becaa9255cd99f024d8c32a052d6cebfe718ed2f3d70e29c5399cdb18ced3bb
[INFO] checking JonathanWoollett-Light/language against nightly-2024-02-05+rustflags=-Dunexpected_cfgs+cargoflags=-Zcheck-cfg for check-cfg
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJonathanWoollett-Light%2Flanguage" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JonathanWoollett-Light/language on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JonathanWoollett-Light/language
[INFO] finished tweaking git repo https://github.com/JonathanWoollett-Light/language
[INFO] tweaked toml for git repo https://github.com/JonathanWoollett-Light/language written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/JonathanWoollett-Light/language already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6f430f70aeaa838f16ee287eccd2fffcc544b8f3c46a1e2412e4710a20b0cbf9
[INFO] running `Command { std: "docker" "start" "-a" "6f430f70aeaa838f16ee287eccd2fffcc544b8f3c46a1e2412e4710a20b0cbf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f430f70aeaa838f16ee287eccd2fffcc544b8f3c46a1e2412e4710a20b0cbf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f430f70aeaa838f16ee287eccd2fffcc544b8f3c46a1e2412e4710a20b0cbf9", kill_on_drop: false }`
[INFO] [stdout] 6f430f70aeaa838f16ee287eccd2fffcc544b8f3c46a1e2412e4710a20b0cbf9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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 -Dunexpected_cfgs" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zcheck-cfg", kill_on_drop: false }`
[INFO] [stdout] e25cd218d7b035949d52d02d365f59c60b5f57be4ea5ed41ce718558a461b298
[INFO] running `Command { std: "docker" "start" "-a" "e25cd218d7b035949d52d02d365f59c60b5f57be4ea5ed41ce718558a461b298", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]    Compiling futures-task v0.3.29
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]    Compiling futures-util v0.3.29
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling openssl v0.10.61
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]    Compiling futures-channel v0.3.29
[INFO] [stderr]     Checking futures-io v0.3.29
[INFO] [stderr]     Checking futures-sink v0.3.29
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]     Checking tinyvec_macros v0.1.1
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking percent-encoding v2.3.1
[INFO] [stderr]     Checking openssl-probe v0.1.5
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]     Checking try-lock v0.2.5
[INFO] [stderr]     Checking http v0.2.11
[INFO] [stderr]     Checking form_urlencoded v1.2.1
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[INFO] [stderr]     Checking unicode-bidi v0.3.14
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[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]     Checking ryu v1.0.16
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking encoding_rs v0.8.33
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[INFO] [stderr]     Checking mime v0.3.17
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[INFO] [stderr]     Checking base64 v0.21.5
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking overload v0.1.1
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[INFO] [stderr]     Checking itertools v0.11.0
[INFO] [stderr]    Compiling syn v2.0.33
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking socket2 v0.5.4
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[INFO] [stderr]     Checking http-body v0.4.6
[INFO] [stderr]     Checking socket2 v0.4.9
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[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]     Checking smallvec v1.11.0
[INFO] [stderr]     Checking data-encoding v2.5.0
[INFO] [stderr]     Checking uuid v1.4.1
[INFO] [stderr]     Checking tokio v1.33.0
[INFO] [stderr]     Checking tracing-subscriber v0.3.17
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]    Compiling openssl-sys v0.9.97
[INFO] [stderr]    Compiling ring v0.17.7
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.26
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking h2 v0.3.22
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.22
[INFO] [stderr]     Checking language v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: unexpected `cfg` condition value: `false`
[INFO] [stdout]    --> src/main.rs:747:7
[INFO] [stdout]     |
[INFO] [stdout] 747 | #[cfg(feature = "false")]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `false` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: requested on the command line with `-D unexpected-cfgs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition value: `false`
[INFO] [stdout]    --> src/main.rs:747:7
[INFO] [stdout]     |
[INFO] [stdout] 747 | #[cfg(feature = "false")]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `false` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: requested on the command line with `-D unexpected-cfgs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition value: `false`
[INFO] [stdout]    --> src/main.rs:332:11
[INFO] [stdout]     |
[INFO] [stdout] 332 |     #[cfg(feature = "false")]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `false` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition value: `false`
[INFO] [stdout]    --> src/main.rs:418:11
[INFO] [stdout]     |
[INFO] [stdout] 418 |     #[cfg(feature = "false")]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `false` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `def`
[INFO] [stdout]     --> src/middle.rs:1320:33
[INFO] [stdout]      |
[INFO] [stdout] 1320 |                     if let Some(def) = functions.get(rhs) =>
[INFO] [stdout]      |                                 ^^^ help: if this is intentional, prefix it with an underscore: `_def`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `empty`
[INFO] [stdout]   --> src/backend.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 76 |     empty: &mut bool,
[INFO] [stdout]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_empty`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `def`
[INFO] [stdout]     --> src/middle.rs:1320:33
[INFO] [stdout]      |
[INFO] [stdout] 1320 |                     if let Some(def) = functions.get(rhs) =>
[INFO] [stdout]      |                                 ^^^ help: if this is intentional, prefix it with an underscore: `_def`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `language` (bin "language") due to 2 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `empty`
[INFO] [stdout]   --> src/backend.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 76 |     empty: &mut bool,
[INFO] [stdout]    |     ^^^^^ help: if this is intentional, prefix it with an underscore: `_empty`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `language` (bin "language" test) due to 4 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "e25cd218d7b035949d52d02d365f59c60b5f57be4ea5ed41ce718558a461b298", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e25cd218d7b035949d52d02d365f59c60b5f57be4ea5ed41ce718558a461b298", kill_on_drop: false }`
[INFO] [stdout] e25cd218d7b035949d52d02d365f59c60b5f57be4ea5ed41ce718558a461b298
