[INFO] cloning repository https://github.com/aleeusgr/rust-hw-flake
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aleeusgr/rust-hw-flake" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faleeusgr%2Frust-hw-flake", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faleeusgr%2Frust-hw-flake'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5fc60ef79cd460e7620603067dc3b4e0edc0e93d
[INFO] building aleeusgr/rust-hw-flake 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%2Faleeusgr%2Frust-hw-flake" "/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/aleeusgr/rust-hw-flake 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/aleeusgr/rust-hw-flake
[INFO] finished tweaking git repo https://github.com/aleeusgr/rust-hw-flake
[INFO] tweaked toml for git repo https://github.com/aleeusgr/rust-hw-flake written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/aleeusgr/rust-hw-flake 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-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 541b06b91fb0bad4e7f7c8bb67768cab7e28781cf7c541cf67016b112a8040d5
[INFO] running `Command { std: "docker" "start" "-a" "541b06b91fb0bad4e7f7c8bb67768cab7e28781cf7c541cf67016b112a8040d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "541b06b91fb0bad4e7f7c8bb67768cab7e28781cf7c541cf67016b112a8040d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "541b06b91fb0bad4e7f7c8bb67768cab7e28781cf7c541cf67016b112a8040d5", kill_on_drop: false }`
[INFO] [stdout] 541b06b91fb0bad4e7f7c8bb67768cab7e28781cf7c541cf67016b112a8040d5
[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 -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] 0ea2e771934b8a7dab33587b101f57adc7a3aabf219c785a540757d54bf311ae
[INFO] running `Command { std: "docker" "start" "-a" "0ea2e771934b8a7dab33587b101f57adc7a3aabf219c785a540757d54bf311ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling rust-nix-template v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]   --> src/main.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn main() {
[INFO] [stdout]    | --------- move the `impl` block outside of this function `main`
[INFO] [stdout] ...
[INFO] [stdout] 53 |     impl fmt::Display for Matrix {
[INFO] [stdout]    |     ^^^^^------------^^^^^------
[INFO] [stdout]    |          |                |
[INFO] [stdout]    |          |                `Matrix` is not local
[INFO] [stdout]    |          `Display` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.55s
[INFO] running `Command { std: "docker" "inspect" "0ea2e771934b8a7dab33587b101f57adc7a3aabf219c785a540757d54bf311ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ea2e771934b8a7dab33587b101f57adc7a3aabf219c785a540757d54bf311ae", kill_on_drop: false }`
[INFO] [stdout] 0ea2e771934b8a7dab33587b101f57adc7a3aabf219c785a540757d54bf311ae
[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 -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] c4e3f6932ffcf60596bb6f0bb633b6f2411a1e90c21d9386075149cd778d2a83
[INFO] running `Command { std: "docker" "start" "-a" "c4e3f6932ffcf60596bb6f0bb633b6f2411a1e90c21d9386075149cd778d2a83", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-nix-template v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]   --> src/main.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn main() {
[INFO] [stdout]    | --------- move the `impl` block outside of this function `main`
[INFO] [stdout] ...
[INFO] [stdout] 53 |     impl fmt::Display for Matrix {
[INFO] [stdout]    |     ^^^^^------------^^^^^------
[INFO] [stdout]    |          |                |
[INFO] [stdout]    |          |                `Matrix` is not local
[INFO] [stdout]    |          `Display` is not local
[INFO] [stdout]    |
[INFO] [stdout]    = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "c4e3f6932ffcf60596bb6f0bb633b6f2411a1e90c21d9386075149cd778d2a83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4e3f6932ffcf60596bb6f0bb633b6f2411a1e90c21d9386075149cd778d2a83", kill_on_drop: false }`
[INFO] [stdout] c4e3f6932ffcf60596bb6f0bb633b6f2411a1e90c21d9386075149cd778d2a83