[INFO] updating cached repository https://github.com/segfo/plugin_poc
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 60172e5774f12e290a1baa08f705a55dc1a0f288
[INFO] testing segfo/plugin_poc against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsegfo%2Fplugin_poc" "/workspace/builds/worker-11/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/segfo/plugin_poc on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/segfo/plugin_poc
[INFO] finished tweaking git repo https://github.com/segfo/plugin_poc
[INFO] tweaked toml for git repo https://github.com/segfo/plugin_poc written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/segfo/plugin_poc already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 63f7a0bc385f5c79a2b085ecc0dc68acb97b0179e93d42b7c92a7214657f19bc
[INFO] running `"docker" "start" "-a" "63f7a0bc385f5c79a2b085ecc0dc68acb97b0179e93d42b7c92a7214657f19bc"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling winapi v0.3.6
[INFO] [stderr]    Compiling crossbeam v0.3.2
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling thread-id v3.3.0
[INFO] [stderr]    Compiling syn v0.15.24
[INFO] [stderr]    Compiling miniz-sys v0.1.11
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling serde_yaml v0.8.8
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling serde-value v0.5.3
[INFO] [stderr]    Compiling serde_json v1.0.34
[INFO] [stderr]    Compiling flate2 v1.0.6
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling serde_derive v1.0.84
[INFO] [stderr]    Compiling log4rs v0.8.1
[INFO] [stderr]    Compiling tax_calc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0433]: failed to resolve: could not find `windows` in `os`
[INFO] [stderr]   --> src/common.rs:17:18
[INFO] [stderr]    |
[INFO] [stderr] 17 |     use std::os::windows::ffi::OsStringExt;
[INFO] [stderr]    |                  ^^^^^^^ could not find `windows` in `os`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Path`
[INFO] [stderr]  --> src/common.rs:3:17
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::path::{Path,PathBuf};
[INFO] [stderr]   |                 ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `winapi`
[INFO] [stderr]  --> src/common.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use winapi;
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `log`
[INFO] [stderr]  --> src/common.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use log;
[INFO] [stderr]   |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `log4rs`
[INFO] [stderr]  --> src/common.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use log4rs;
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Path`
[INFO] [stderr]  --> src/main.rs:3:17
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::path::{Path,PathBuf};
[INFO] [stderr]   |                 ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::env`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::env;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::error::Error`
[INFO] [stderr]   --> src/main.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | use std::error::Error;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `from_wide` found for struct `std::ffi::OsString` in the current scope
[INFO] [stderr]   --> src/common.rs:22:19
[INFO] [stderr]    |
[INFO] [stderr] 22 |         OsString::from_wide(slice).to_string_lossy().into_owned()
[INFO] [stderr]    |                   ^^^^^^^^^ function or associated item not found in `std::ffi::OsString`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/common.rs:82:17
[INFO] [stderr]    |
[INFO] [stderr] 82 | fn unix_init()->InitData{
[INFO] [stderr]    |    ---------    ^^^^^^^^ expected struct `common::InitData`, found `()`
[INFO] [stderr]    |    |
[INFO] [stderr]    |    implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors; 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0308, E0433, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0308`.
[INFO] [stderr] error: could not compile `tax_calc`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "63f7a0bc385f5c79a2b085ecc0dc68acb97b0179e93d42b7c92a7214657f19bc"`
[INFO] running `"docker" "rm" "-f" "63f7a0bc385f5c79a2b085ecc0dc68acb97b0179e93d42b7c92a7214657f19bc"`
[INFO] [stdout] 63f7a0bc385f5c79a2b085ecc0dc68acb97b0179e93d42b7c92a7214657f19bc