[INFO] cloning repository https://github.com/Nanai10a/nl
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Nanai10a/nl" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNanai10a%2Fnl", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNanai10a%2Fnl'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 710ebe2fb2dbad84cb7f6bb07d9c23f2a91afaf0
[INFO] checking Nanai10a/nl against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNanai10a%2Fnl" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Nanai10a/nl on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Nanai10a/nl
[INFO] finished tweaking git repo https://github.com/Nanai10a/nl
[INFO] tweaked toml for git repo https://github.com/Nanai10a/nl written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Nanai10a/nl 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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8be60fcf9717e85e7ff1990b4234f31b83d64c49cd9df1116c0cbe7943286d8c
[INFO] running `Command { std: "docker" "start" "-a" "8be60fcf9717e85e7ff1990b4234f31b83d64c49cd9df1116c0cbe7943286d8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8be60fcf9717e85e7ff1990b4234f31b83d64c49cd9df1116c0cbe7943286d8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8be60fcf9717e85e7ff1990b4234f31b83d64c49cd9df1116c0cbe7943286d8c", kill_on_drop: false }`
[INFO] [stdout] 8be60fcf9717e85e7ff1990b4234f31b83d64c49cd9df1116c0cbe7943286d8c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e6bf55047477781e083d972aea85cef1f383f5403c365419a8c78a2f1b3b727f
[INFO] running `Command { std: "docker" "start" "-a" "e6bf55047477781e083d972aea85cef1f383f5403c365419a8c78a2f1b3b727f", kill_on_drop: false }`
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking nl v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `lexing` is never used
[INFO] [stdout]  --> src/lex.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn lexing(mut src: &str) -> Box<dyn Expr> {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `b_op` is never used
[INFO] [stdout]   --> src/lex.rs:36:4
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn b_op(op: &str) -> Box<dyn Fn(Box<dyn Expr>, Box<dyn Expr>) -> Box<dyn Expr>> {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.49s
[INFO] running `Command { std: "docker" "inspect" "e6bf55047477781e083d972aea85cef1f383f5403c365419a8c78a2f1b3b727f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6bf55047477781e083d972aea85cef1f383f5403c365419a8c78a2f1b3b727f", kill_on_drop: false }`
[INFO] [stdout] e6bf55047477781e083d972aea85cef1f383f5403c365419a8c78a2f1b3b727f
[INFO] checking Nanai10a/nl against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNanai10a%2Fnl" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Nanai10a/nl on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Nanai10a/nl
[INFO] finished tweaking git repo https://github.com/Nanai10a/nl
[INFO] tweaked toml for git repo https://github.com/Nanai10a/nl written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Nanai10a/nl 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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 44faf309047656fac0180896aaf31fa5ca4632b4551501e5ab6163a4a83c75f9
[INFO] running `Command { std: "docker" "start" "-a" "44faf309047656fac0180896aaf31fa5ca4632b4551501e5ab6163a4a83c75f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44faf309047656fac0180896aaf31fa5ca4632b4551501e5ab6163a4a83c75f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44faf309047656fac0180896aaf31fa5ca4632b4551501e5ab6163a4a83c75f9", kill_on_drop: false }`
[INFO] [stdout] 44faf309047656fac0180896aaf31fa5ca4632b4551501e5ab6163a4a83c75f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 684285a4615fb5dc3598e5bcc5779938dc782af2bcddf742721af06a24af5dce
[INFO] running `Command { std: "docker" "start" "-a" "684285a4615fb5dc3598e5bcc5779938dc782af2bcddf742721af06a24af5dce", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking nl v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `lexing` is never used
[INFO] [stdout]  --> src/lex.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn lexing(mut src: &str) -> Box<dyn Expr> {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `b_op` is never used
[INFO] [stdout]   --> src/lex.rs:36:4
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn b_op(op: &str) -> Box<dyn Fn(Box<dyn Expr>, Box<dyn Expr>) -> Box<dyn Expr>> {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.30s
[INFO] running `Command { std: "docker" "inspect" "684285a4615fb5dc3598e5bcc5779938dc782af2bcddf742721af06a24af5dce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "684285a4615fb5dc3598e5bcc5779938dc782af2bcddf742721af06a24af5dce", kill_on_drop: false }`
[INFO] [stdout] 684285a4615fb5dc3598e5bcc5779938dc782af2bcddf742721af06a24af5dce