[INFO] cloning repository https://github.com/Maix0/klu_format
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Maix0/klu_format" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMaix0%2Fklu_format", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMaix0%2Fklu_format'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 16c66bc55845fa636dd94472ea53ec5509c464f5
[INFO] checking Maix0/klu_format/16c66bc55845fa636dd94472ea53ec5509c464f5 against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMaix0%2Fklu_format" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Maix0/klu_format on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Maix0/klu_format
[INFO] finished tweaking git repo https://github.com/Maix0/klu_format
[INFO] tweaked toml for git repo https://github.com/Maix0/klu_format written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Maix0/klu_format 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" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a7478e3d7852501bca90cdcdebaad76c11d73756f7597aa75aa9897ce398b85c
[INFO] running `Command { std: "docker" "start" "-a" "a7478e3d7852501bca90cdcdebaad76c11d73756f7597aa75aa9897ce398b85c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7478e3d7852501bca90cdcdebaad76c11d73756f7597aa75aa9897ce398b85c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7478e3d7852501bca90cdcdebaad76c11d73756f7597aa75aa9897ce398b85c", kill_on_drop: false }`
[INFO] [stdout] a7478e3d7852501bca90cdcdebaad76c11d73756f7597aa75aa9897ce398b85c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 59dd9a1f680461fbe679329677d7c2e4a457a3a4abc38187423c78b4e822c7cd
[INFO] running `Command { std: "docker" "start" "-a" "59dd9a1f680461fbe679329677d7c2e4a457a3a4abc38187423c78b4e822c7cd", kill_on_drop: false }`
[INFO] [stderr]     Checking klu_core v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `headersize` and `filesize` are never read
[INFO] [stdout]   --> src/read/mod.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 76 | pub struct Archive {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 77 |     file: File,
[INFO] [stdout] 78 |     headersize: u64,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 79 |     filesize: u64,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Archive` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `headersize` and `filesize` are never read
[INFO] [stdout]   --> src/read/mod.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 76 | pub struct Archive {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 77 |     file: File,
[INFO] [stdout] 78 |     headersize: u64,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 79 |     filesize: u64,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Archive` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::prelude::*`
[INFO] [stdout]  --> examples/read_file.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `klu`
[INFO] [stdout]  --> examples/r_exists.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate klu;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `klu_core` (example "r_exists") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "59dd9a1f680461fbe679329677d7c2e4a457a3a4abc38187423c78b4e822c7cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59dd9a1f680461fbe679329677d7c2e4a457a3a4abc38187423c78b4e822c7cd", kill_on_drop: false }`
[INFO] [stdout] 59dd9a1f680461fbe679329677d7c2e4a457a3a4abc38187423c78b4e822c7cd