[INFO] cloning repository https://github.com/AminMal/rsde
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AminMal/rsde" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAminMal%2Frsde", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAminMal%2Frsde'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 21748c1b8667aebb6d8a4acb3ad1efe2fb4f3af2
[INFO] checking AminMal/rsde against master#32cd9114712a24010b0583624dc52ac302194128 for pr-143717
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAminMal%2Frsde" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/AminMal/rsde
[INFO] finished tweaking git repo https://github.com/AminMal/rsde
[INFO] tweaked toml for git repo https://github.com/AminMal/rsde written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AminMal/rsde on toolchain 32cd9114712a24010b0583624dc52ac302194128
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+32cd9114712a24010b0583624dc52ac302194128" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/AminMal/rsde 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" "+32cd9114712a24010b0583624dc52ac302194128" "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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+32cd9114712a24010b0583624dc52ac302194128" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 93fe306e5b14bdde1f120b67f0f78efb64e6836621b7c3cf6f88dc0bdfc496e4
[INFO] running `Command { std: "docker" "start" "-a" "93fe306e5b14bdde1f120b67f0f78efb64e6836621b7c3cf6f88dc0bdfc496e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93fe306e5b14bdde1f120b67f0f78efb64e6836621b7c3cf6f88dc0bdfc496e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93fe306e5b14bdde1f120b67f0f78efb64e6836621b7c3cf6f88dc0bdfc496e4", kill_on_drop: false }`
[INFO] [stdout] 93fe306e5b14bdde1f120b67f0f78efb64e6836621b7c3cf6f88dc0bdfc496e4
[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" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+32cd9114712a24010b0583624dc52ac302194128" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0acf9f22dfe6d6ffe43fe28b5ee3e8aa236db6dd60f54239baf9adae4339f6f6
[INFO] running `Command { std: "docker" "start" "-a" "0acf9f22dfe6d6ffe43fe28b5ee3e8aa236db6dd60f54239baf9adae4339f6f6", kill_on_drop: false }`
[INFO] [stderr]     Checking rsde v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::expr::simplify::simplify`
[INFO] [stdout]   --> src/expr/derivative.rs:97:9
[INFO] [stdout]    |
[INFO] [stdout] 97 |     use crate::expr::simplify::simplify;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/expr/mod.rs:70:27
[INFO] [stdout]    |
[INFO] [stdout] 70 |         pub fn derivative(&self) -> Derivative {
[INFO] [stdout]    |                           ^^^^^     ---------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 70 |         pub fn derivative(&self) -> Derivative<'_> {
[INFO] [stdout]    |                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/expr/mod.rs:70:27
[INFO] [stdout]    |
[INFO] [stdout] 70 |         pub fn derivative(&self) -> Derivative {
[INFO] [stdout]    |                           ^^^^^     ---------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 70 |         pub fn derivative(&self) -> Derivative<'_> {
[INFO] [stdout]    |                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "0acf9f22dfe6d6ffe43fe28b5ee3e8aa236db6dd60f54239baf9adae4339f6f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0acf9f22dfe6d6ffe43fe28b5ee3e8aa236db6dd60f54239baf9adae4339f6f6", kill_on_drop: false }`
[INFO] [stdout] 0acf9f22dfe6d6ffe43fe28b5ee3e8aa236db6dd60f54239baf9adae4339f6f6
