[INFO] fetching crate machineid-rs 1.1.0...
[INFO] testing machineid-rs-1.1.0 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate machineid-rs 1.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate machineid-rs 1.1.0 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate machineid-rs 1.1.0
[INFO] finished tweaking crates.io crate machineid-rs 1.1.0
[INFO] tweaked toml for crates.io crate machineid-rs 1.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sysinfo v0.19.2
[INFO] [stderr]   Downloaded winreg v0.9.0
[INFO] [stderr]   Downloaded wmi v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0283d11671f507f07634330d648212c997b9008d2f1848c5ac6d37809c9cf398
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0283d11671f507f07634330d648212c997b9008d2f1848c5ac6d37809c9cf398", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0283d11671f507f07634330d648212c997b9008d2f1848c5ac6d37809c9cf398", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0283d11671f507f07634330d648212c997b9008d2f1848c5ac6d37809c9cf398", kill_on_drop: false }`
[INFO] [stdout] 0283d11671f507f07634330d648212c997b9008d2f1848c5ac6d37809c9cf398
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 81c93dd87aef4d43f73501f253707cd10e6f78b2d48513c549b64da23d6f31da
[INFO] running `Command { std: "docker" "start" "-a" "81c93dd87aef4d43f73501f253707cd10e6f78b2d48513c549b64da23d6f31da", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling whoami v1.1.2
[INFO] [stderr]    Compiling sysinfo v0.19.2
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling machineid-rs v1.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `HwidRetrievalError`
[INFO] [stdout]   --> src/linux.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |     Err(HwidRetrievalError::new())
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^ use of undeclared type `HwidRetrievalError`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `HwidRetrievalError` in this scope
[INFO] [stdout]   --> src/linux.rs:25:37
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn get_hwid() -> Result<String, HwidRetrievalError>{
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/errors.rs:4:1
[INFO] [stdout]    |
[INFO] [stdout] 4  | pub struct RetrievalError;
[INFO] [stdout]    | -------------------------- similarly named struct `RetrievalError` defined here
[INFO] [stdout]    |
[INFO] [stdout] help: a struct with a similar name exists
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn get_hwid() -> Result<String, RetrievalError>{
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^
[INFO] [stdout] help: you might be missing a type parameter
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn get_hwid<HwidRetrievalError>() -> Result<String, HwidRetrievalError>{
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `FileNotFound`, `RetrievalError`
[INFO] [stdout]  --> src/windows.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::errors::{RetrievalError, FileNotFound};
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/windows.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RetrievalError`
[INFO] [stdout]  --> src/linux.rs:3:35
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::errors::{FileNotFound, RetrievalError};
[INFO] [stdout]   |                                   ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `errors::RetrievalError`
[INFO] [stdout]  --> src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use errors::RetrievalError;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0624]: associated function `new` is private
[INFO] [stdout]   --> src/linux.rs:20:37
[INFO] [stdout]    |
[INFO] [stdout] 20 |         Err(_) => Err(FileNotFound::new())
[INFO] [stdout]    |                                     ^^^ private associated function
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/errors.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn new() -> Self{
[INFO] [stdout]    |     ---------------- private associated function defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0433, E0624.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `machineid-rs` due to 4 previous errors; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "81c93dd87aef4d43f73501f253707cd10e6f78b2d48513c549b64da23d6f31da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81c93dd87aef4d43f73501f253707cd10e6f78b2d48513c549b64da23d6f31da", kill_on_drop: false }`
[INFO] [stdout] 81c93dd87aef4d43f73501f253707cd10e6f78b2d48513c549b64da23d6f31da
