[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] building Nanai10a/nl against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNanai10a%2Fnl" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Nanai10a/nl on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "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-0-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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a2b0881edc71447bdb02db51642a1dab0900dcc7489e9826822878f2d275d082
[INFO] running `Command { std: "docker" "start" "-a" "a2b0881edc71447bdb02db51642a1dab0900dcc7489e9826822878f2d275d082", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2b0881edc71447bdb02db51642a1dab0900dcc7489e9826822878f2d275d082", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2b0881edc71447bdb02db51642a1dab0900dcc7489e9826822878f2d275d082", kill_on_drop: false }`
[INFO] [stdout] a2b0881edc71447bdb02db51642a1dab0900dcc7489e9826822878f2d275d082
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97db490f9cfa2ca26c5ca70bf13e9f1b2258e1ca7070f1fe459904eac82c3303
[INFO] running `Command { std: "docker" "start" "-a" "97db490f9cfa2ca26c5ca70bf13e9f1b2258e1ca7070f1fe459904eac82c3303", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.25s
[INFO] running `Command { std: "docker" "inspect" "97db490f9cfa2ca26c5ca70bf13e9f1b2258e1ca7070f1fe459904eac82c3303", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97db490f9cfa2ca26c5ca70bf13e9f1b2258e1ca7070f1fe459904eac82c3303", kill_on_drop: false }`
[INFO] [stdout] 97db490f9cfa2ca26c5ca70bf13e9f1b2258e1ca7070f1fe459904eac82c3303
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ba38c2ead2e73cbf562545061d7a9031c46d9f930167b0e2f0d76ca011f9871
[INFO] running `Command { std: "docker" "start" "-a" "6ba38c2ead2e73cbf562545061d7a9031c46d9f930167b0e2f0d76ca011f9871", kill_on_drop: false }`
[INFO] [stderr]    Compiling nl v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "6ba38c2ead2e73cbf562545061d7a9031c46d9f930167b0e2f0d76ca011f9871", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ba38c2ead2e73cbf562545061d7a9031c46d9f930167b0e2f0d76ca011f9871", kill_on_drop: false }`
[INFO] [stdout] 6ba38c2ead2e73cbf562545061d7a9031c46d9f930167b0e2f0d76ca011f9871