[INFO] cloning repository https://github.com/knvi/epsilon
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/knvi/epsilon" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fknvi%2Fepsilon", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fknvi%2Fepsilon'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3213e45070a8858e9c6de7e76b9a37efb653e6fa
[INFO] testing knvi/epsilon against 1.86.0 for beta-1.87-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fknvi%2Fepsilon" "/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/knvi/epsilon on toolchain 1.86.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.86.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/knvi/epsilon
[INFO] finished tweaking git repo https://github.com/knvi/epsilon
[INFO] tweaked toml for git repo https://github.com/knvi/epsilon written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/knvi/epsilon 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" "+1.86.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4f811bdd160be4e91585572d54325c5524d5941bd1981c93d026e05e08069ce1
[INFO] running `Command { std: "docker" "start" "-a" "4f811bdd160be4e91585572d54325c5524d5941bd1981c93d026e05e08069ce1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f811bdd160be4e91585572d54325c5524d5941bd1981c93d026e05e08069ce1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f811bdd160be4e91585572d54325c5524d5941bd1981c93d026e05e08069ce1", kill_on_drop: false }`
[INFO] [stdout] 4f811bdd160be4e91585572d54325c5524d5941bd1981c93d026e05e08069ce1
[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=warn" "-e" "RUSTDOCFLAGS=--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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3602801c9b54c9835842b002becaf703ce1043b0daab57fc5297ca829864bdc0
[INFO] running `Command { std: "docker" "start" "-a" "3602801c9b54c9835842b002becaf703ce1043b0daab57fc5297ca829864bdc0", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling epsilon v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: could not find `windows` in `os`
[INFO] [stdout]  --> src/main.rs:3:30
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{ffi::OsString, os::windows::ffi::OsStringExt};
[INFO] [stdout]   |                              ^^^^^^^ could not find `windows` in `os`
[INFO] [stdout]   |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]  --> /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/os/mod.rs:63:9
[INFO] [stdout] note: the item is gated here
[INFO] [stdout]  --> /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/os/mod.rs:55:1
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]  --> /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/os/mod.rs:121:9
[INFO] [stdout] note: the item is gated here
[INFO] [stdout]  --> /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/os/mod.rs:120:1
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `shared` in `winapi`
[INFO] [stdout]  --> src/main.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 | use winapi::{shared::{minwindef::{DWORD, FALSE, LPARAM}, windef::HWND}, um::{handleapi::{CloseHandle, INVALID_HANDLE_VALUE}, processthrea...
[INFO] [stdout]   |              ^^^^^^ could not find `shared` in `winapi`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `um` in `winapi`
[INFO] [stdout]  --> src/main.rs:6:73
[INFO] [stdout]   |
[INFO] [stdout] 6 | use winapi::{shared::{minwindef::{DWORD, FALSE, LPARAM}, windef::HWND}, um::{handleapi::{CloseHandle, INVALID_HANDLE_VALUE}, processthrea...
[INFO] [stdout]   |                                                                         ^^ could not find `um` in `winapi`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `from_wide` found for struct `OsString` in the current scope
[INFO] [stdout]   --> src/main.rs:24:38
[INFO] [stdout]    |
[INFO] [stdout] 24 |         let window_title = OsString::from_wide(&buffer[..length as usize - 1]);
[INFO] [stdout]    |                                      ^^^^^^^^^ function or associated item not found in `OsString`
[INFO] [stdout]    |
[INFO] [stdout] note: if you're trying to build a new `OsString` consider using one of the following associated functions:
[INFO] [stdout]       OsString::new
[INFO] [stdout]       OsString::from_encoded_bytes_unchecked
[INFO] [stdout]       OsString::with_capacity
[INFO] [stdout]   --> /rustc/05f9846f893b09a1be1fc8560e33fc3c815cfecb/library/std/src/ffi/os_str.rs:140:5
[INFO] [stdout] help: there is an associated function `from_iter` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 24 -         let window_title = OsString::from_wide(&buffer[..length as usize - 1]);
[INFO] [stdout] 24 +         let window_title = OsString::from_iter(&buffer[..length as usize - 1]);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0433, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `epsilon` (bin "epsilon") due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "3602801c9b54c9835842b002becaf703ce1043b0daab57fc5297ca829864bdc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3602801c9b54c9835842b002becaf703ce1043b0daab57fc5297ca829864bdc0", kill_on_drop: false }`
[INFO] [stdout] 3602801c9b54c9835842b002becaf703ce1043b0daab57fc5297ca829864bdc0