[INFO] updating cached repository https://github.com/segfo/plugin_poc
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 60172e5774f12e290a1baa08f705a55dc1a0f288
[INFO] testing segfo/plugin_poc against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsegfo%2Fplugin_poc" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/segfo/plugin_poc on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-5/source/Cargo.toml
[INFO] crate git repo https://github.com/segfo/plugin_poc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c6edbb67020d9a9b0736c1f529386e9262ce132fa678987c87a14df15bffeea
[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" "2c6edbb67020d9a9b0736c1f529386e9262ce132fa678987c87a14df15bffeea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c6edbb67020d9a9b0736c1f529386e9262ce132fa678987c87a14df15bffeea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c6edbb67020d9a9b0736c1f529386e9262ce132fa678987c87a14df15bffeea", kill_on_drop: false }`
[INFO] [stdout] 2c6edbb67020d9a9b0736c1f529386e9262ce132fa678987c87a14df15bffeea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20dcf1f158aac7df2bdada6c0ca65a9b7312b6087f041e81e57cef77deeb41a5
[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" "20dcf1f158aac7df2bdada6c0ca65a9b7312b6087f041e81e57cef77deeb41a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.84
[INFO] [stderr]    Compiling libc v0.2.46
[INFO] [stderr]    Compiling winapi v0.3.6
[INFO] [stderr]    Compiling log-mdc v0.1.0
[INFO] [stderr]    Compiling crossbeam v0.3.2
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling ordered-float v1.0.1
[INFO] [stderr]    Compiling syn v0.15.24
[INFO] [stderr]    Compiling miniz-sys v0.1.11
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling thread-id v3.3.0
[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 serde_yaml v0.8.8
[INFO] [stderr]    Compiling serde_json v1.0.34
[INFO] [stderr]    Compiling serde-value v0.5.3
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling log4rs v0.8.1
[INFO] [stderr]    Compiling tax_calc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: could not find `windows` in `os`
[INFO] [stdout]   --> src/common.rs:17:18
[INFO] [stdout]    |
[INFO] [stdout] 17 |     use std::os::windows::ffi::OsStringExt;
[INFO] [stdout]    |                  ^^^^^^^ could not find `windows` in `os`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Path`
[INFO] [stdout]  --> src/common.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::path::{Path,PathBuf};
[INFO] [stdout]   |                 ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `winapi`
[INFO] [stdout]  --> src/common.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use winapi;
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `log`
[INFO] [stdout]  --> src/common.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use log;
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `log4rs`
[INFO] [stdout]  --> src/common.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use log4rs;
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Path`
[INFO] [stdout]  --> src/main.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::path::{Path,PathBuf};
[INFO] [stdout]   |                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]   --> src/main.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use std::error::Error;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `from_wide` found for struct `std::ffi::OsString` in the current scope
[INFO] [stdout]   --> src/common.rs:22:19
[INFO] [stdout]    |
[INFO] [stdout] 22 |         OsString::from_wide(slice).to_string_lossy().into_owned()
[INFO] [stdout]    |                   ^^^^^^^^^ function or associated item not found in `std::ffi::OsString`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/common.rs:82:17
[INFO] [stdout]    |
[INFO] [stdout] 82 | fn unix_init()->InitData{
[INFO] [stdout]    |    ---------    ^^^^^^^^ expected struct `common::InitData`, found `()`
[INFO] [stdout]    |    |
[INFO] [stdout]    |    implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0433, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tax_calc`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "20dcf1f158aac7df2bdada6c0ca65a9b7312b6087f041e81e57cef77deeb41a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20dcf1f158aac7df2bdada6c0ca65a9b7312b6087f041e81e57cef77deeb41a5", kill_on_drop: false }`
[INFO] [stdout] 20dcf1f158aac7df2bdada6c0ca65a9b7312b6087f041e81e57cef77deeb41a5