[INFO] cloning repository https://github.com/komekome09/stil_combinator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/komekome09/stil_combinator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkomekome09%2Fstil_combinator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkomekome09%2Fstil_combinator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3a977f2bc924b8867d5550f02989966b53bfba3e
[INFO] checking komekome09/stil_combinator against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkomekome09%2Fstil_combinator" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/komekome09/stil_combinator on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/komekome09/stil_combinator
[INFO] finished tweaking git repo https://github.com/komekome09/stil_combinator
[INFO] tweaked toml for git repo https://github.com/komekome09/stil_combinator written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/komekome09/stil_combinator 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fadf5b9574e92c9264b7bf0a0050d5cdadc6db42a0b34f51ffd534274d54b588
[INFO] running `Command { std: "docker" "start" "-a" "fadf5b9574e92c9264b7bf0a0050d5cdadc6db42a0b34f51ffd534274d54b588", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fadf5b9574e92c9264b7bf0a0050d5cdadc6db42a0b34f51ffd534274d54b588", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fadf5b9574e92c9264b7bf0a0050d5cdadc6db42a0b34f51ffd534274d54b588", kill_on_drop: false }`
[INFO] [stdout] fadf5b9574e92c9264b7bf0a0050d5cdadc6db42a0b34f51ffd534274d54b588
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b3d6e7fa685ac3f11190340606b512d8b54a42389a66587c327d3e6f8d7fd555
[INFO] running `Command { std: "docker" "start" "-a" "b3d6e7fa685ac3f11190340606b512d8b54a42389a66587c327d3e6f8d7fd555", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking combine v4.6.0
[INFO] [stderr]     Checking stil_combinator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `number` is never used
[INFO] [stdout]   --> src/stil.rs:52:4
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn number<Input>() -> impl Parser<Input, Output = ValueType>
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `text` is never used
[INFO] [stdout]   --> src/stil.rs:83:4
[INFO] [stdout]    |
[INFO] [stdout] 83 | fn text<Input>() -> impl Parser<Input, Output = ValueType>
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `boolean` is never used
[INFO] [stdout]   --> src/stil.rs:91:4
[INFO] [stdout]    |
[INFO] [stdout] 91 | fn boolean<Input>() -> impl Parser<Input, Output = ValueType>
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parameter` is never used
[INFO] [stdout]    --> src/stil.rs:105:4
[INFO] [stdout]     |
[INFO] [stdout] 105 | fn parameter<Input>() -> impl Parser<Input, Output = Param>
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parameters` is never used
[INFO] [stdout]    --> src/stil.rs:141:4
[INFO] [stdout]     |
[INFO] [stdout] 141 | fn parameters<Input>() -> impl Parser<Input, Output = Vec<Param>>
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_exec` is never used
[INFO] [stdout]    --> src/stil.rs:149:4
[INFO] [stdout]     |
[INFO] [stdout] 149 | fn test_exec<Input>() -> impl Parser<Input, Output = Test>
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.38s
[INFO] running `Command { std: "docker" "inspect" "b3d6e7fa685ac3f11190340606b512d8b54a42389a66587c327d3e6f8d7fd555", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3d6e7fa685ac3f11190340606b512d8b54a42389a66587c327d3e6f8d7fd555", kill_on_drop: false }`
[INFO] [stdout] b3d6e7fa685ac3f11190340606b512d8b54a42389a66587c327d3e6f8d7fd555
[INFO] checking komekome09/stil_combinator against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkomekome09%2Fstil_combinator" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/komekome09/stil_combinator on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/komekome09/stil_combinator
[INFO] finished tweaking git repo https://github.com/komekome09/stil_combinator
[INFO] tweaked toml for git repo https://github.com/komekome09/stil_combinator written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/komekome09/stil_combinator 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c2ae372422c89c54bb30740fd54bc75dc00f1f39914c3bc86d3ba4c7d82f9349
[INFO] running `Command { std: "docker" "start" "-a" "c2ae372422c89c54bb30740fd54bc75dc00f1f39914c3bc86d3ba4c7d82f9349", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2ae372422c89c54bb30740fd54bc75dc00f1f39914c3bc86d3ba4c7d82f9349", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2ae372422c89c54bb30740fd54bc75dc00f1f39914c3bc86d3ba4c7d82f9349", kill_on_drop: false }`
[INFO] [stdout] c2ae372422c89c54bb30740fd54bc75dc00f1f39914c3bc86d3ba4c7d82f9349
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 24c8e3a90bf2e8e02567ac487de115644a3774390b9c13360a0b64c61eb98d51
[INFO] running `Command { std: "docker" "start" "-a" "24c8e3a90bf2e8e02567ac487de115644a3774390b9c13360a0b64c61eb98d51", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking combine v4.6.0
[INFO] [stderr]     Checking stil_combinator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `number` is never used
[INFO] [stdout]   --> src/stil.rs:52:4
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn number<Input>() -> impl Parser<Input, Output = ValueType>
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `text` is never used
[INFO] [stdout]   --> src/stil.rs:83:4
[INFO] [stdout]    |
[INFO] [stdout] 83 | fn text<Input>() -> impl Parser<Input, Output = ValueType>
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `boolean` is never used
[INFO] [stdout]   --> src/stil.rs:91:4
[INFO] [stdout]    |
[INFO] [stdout] 91 | fn boolean<Input>() -> impl Parser<Input, Output = ValueType>
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parameter` is never used
[INFO] [stdout]    --> src/stil.rs:105:4
[INFO] [stdout]     |
[INFO] [stdout] 105 | fn parameter<Input>() -> impl Parser<Input, Output = Param>
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parameters` is never used
[INFO] [stdout]    --> src/stil.rs:141:4
[INFO] [stdout]     |
[INFO] [stdout] 141 | fn parameters<Input>() -> impl Parser<Input, Output = Vec<Param>>
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_exec` is never used
[INFO] [stdout]    --> src/stil.rs:149:4
[INFO] [stdout]     |
[INFO] [stdout] 149 | fn test_exec<Input>() -> impl Parser<Input, Output = Test>
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.74s
[INFO] running `Command { std: "docker" "inspect" "24c8e3a90bf2e8e02567ac487de115644a3774390b9c13360a0b64c61eb98d51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24c8e3a90bf2e8e02567ac487de115644a3774390b9c13360a0b64c61eb98d51", kill_on_drop: false }`
[INFO] [stdout] 24c8e3a90bf2e8e02567ac487de115644a3774390b9c13360a0b64c61eb98d51