[INFO] cloning repository https://github.com/zebp/gzpi
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zebp/gzpi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzebp%2Fgzpi", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzebp%2Fgzpi'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a201f2a9c1a251358c1905d1d1cb2b4d32e75ff6
[INFO] checking zebp/gzpi against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzebp%2Fgzpi" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zebp/gzpi 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/zebp/gzpi
[INFO] finished tweaking git repo https://github.com/zebp/gzpi
[INFO] tweaked toml for git repo https://github.com/zebp/gzpi written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/zebp/gzpi 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] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded snowflake v1.3.0
[INFO] [stderr]   Downloaded async-walkdir v0.2.0
[INFO] [stderr]   Downloaded id_tree v1.8.0
[INFO] [stderr]   Downloaded gitignore v1.0.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] d8eddc95c592b1c38006026bbc800f7b6cbb31c6504446ead55cec009fac0e4e
[INFO] running `Command { std: "docker" "start" "-a" "d8eddc95c592b1c38006026bbc800f7b6cbb31c6504446ead55cec009fac0e4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8eddc95c592b1c38006026bbc800f7b6cbb31c6504446ead55cec009fac0e4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8eddc95c592b1c38006026bbc800f7b6cbb31c6504446ead55cec009fac0e4e", kill_on_drop: false }`
[INFO] [stdout] d8eddc95c592b1c38006026bbc800f7b6cbb31c6504446ead55cec009fac0e4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] b75a961caaf6274ef1df91239085a1318232787f60e22281f865bb5a0d699859
[INFO] running `Command { std: "docker" "start" "-a" "b75a961caaf6274ef1df91239085a1318232787f60e22281f865bb5a0d699859", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]     Checking futures-io v0.3.15
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]     Checking fastrand v1.4.1
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking futures-sink v0.3.15
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]     Checking async-task v4.0.3
[INFO] [stderr]     Checking async-lock v2.4.0
[INFO] [stderr]    Compiling tokio v1.6.1
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]    Compiling cargo-husky v1.5.0
[INFO] [stderr]     Checking snowflake v1.3.0
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]     Checking id_tree v1.8.0
[INFO] [stderr]     Checking gitignore v1.0.7
[INFO] [stderr]     Checking futures-lite v1.11.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking async-fs v1.5.0
[INFO] [stderr]     Checking async-walkdir v0.2.0
[INFO] [stderr]    Compiling tokio-macros v1.2.0
[INFO] [stderr]     Checking futures-executor v0.3.15
[INFO] [stderr]     Checking futures v0.3.15
[INFO] [stderr]     Checking gzpi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Path` is imported redundantly
[INFO] [stdout]   --> src/walk.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 93 |     use super::*;
[INFO] [stdout]    |         -------- the item `Path` is already imported here
[INFO] [stdout] 94 |     use std::path::Path;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `is_file` is never read
[INFO] [stdout]   --> src/walk.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Item {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 14 |     path: PathBuf,
[INFO] [stdout] 15 |     is_file: bool,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Item` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `is_file` is never read
[INFO] [stdout]   --> src/walk.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Item {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 14 |     path: PathBuf,
[INFO] [stdout] 15 |     is_file: bool,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Item` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.35s
[INFO] running `Command { std: "docker" "inspect" "b75a961caaf6274ef1df91239085a1318232787f60e22281f865bb5a0d699859", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b75a961caaf6274ef1df91239085a1318232787f60e22281f865bb5a0d699859", kill_on_drop: false }`
[INFO] [stdout] b75a961caaf6274ef1df91239085a1318232787f60e22281f865bb5a0d699859