[INFO] cloning repository https://github.com/ducksploit/prachand
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ducksploit/prachand" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fducksploit%2Fprachand", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fducksploit%2Fprachand'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b669e6a1ee8ae710f6134cf7245e8cac4ae9099e
[INFO] checking ducksploit/prachand against try#a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399 for pr-145770
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fducksploit%2Fprachand" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ducksploit/prachand
[INFO] finished tweaking git repo https://github.com/ducksploit/prachand
[INFO] tweaked toml for git repo https://github.com/ducksploit/prachand written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ducksploit/prachand on toolchain a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ducksploit/prachand 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" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: profile.release.windows_subsystem
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f74ec1f0b79da3b7004d44977d3bbd472dfcbd8ee4ba39e86abc72be6db757cd
[INFO] running `Command { std: "docker" "start" "-a" "f74ec1f0b79da3b7004d44977d3bbd472dfcbd8ee4ba39e86abc72be6db757cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f74ec1f0b79da3b7004d44977d3bbd472dfcbd8ee4ba39e86abc72be6db757cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f74ec1f0b79da3b7004d44977d3bbd472dfcbd8ee4ba39e86abc72be6db757cd", kill_on_drop: false }`
[INFO] [stdout] f74ec1f0b79da3b7004d44977d3bbd472dfcbd8ee4ba39e86abc72be6db757cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a18aaf4d2111bf6583fcc73e6d41ca5e3d63b3d19f3917ec30070f6965b343cf
[INFO] running `Command { std: "docker" "start" "-a" "a18aaf4d2111bf6583fcc73e6d41ca5e3d63b3d19f3917ec30070f6965b343cf", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: profile.release.windows_subsystem
[INFO] [stderr]     Checking app v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: could not find `windows` in `os`
[INFO] [stdout]   --> src/main.rs:61:40
[INFO] [stdout]    |
[INFO] [stdout] 61 |             let mut execute = std::os::windows::process::CommandExt::creation_flags(Command::new(shell)
[INFO] [stdout]    |                                        ^^^^^^^ could not find `windows` in `os`
[INFO] [stdout]    |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/os/mod.rs:63:9
[INFO] [stdout] note: the item is gated here
[INFO] [stdout]   --> /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/os/mod.rs:56:5
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/os/mod.rs:121:9
[INFO] [stdout] note: the item is gated here
[INFO] [stdout]   --> /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/os/mod.rs:120:10
[INFO] [stdout] help: consider importing one of these traits
[INFO] [stdout]    |
[INFO] [stdout] 4  + use std::os::linux::process::CommandExt;
[INFO] [stdout]    |
[INFO] [stdout] 4  + use std::os::unix::prelude::CommandExt;
[INFO] [stdout]    |
[INFO] [stdout] help: if you import `CommandExt`, refer to it directly
[INFO] [stdout]    |
[INFO] [stdout] 61 -             let mut execute = std::os::windows::process::CommandExt::creation_flags(Command::new(shell)
[INFO] [stdout] 61 +             let mut execute = CommandExt::creation_flags(Command::new(shell)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `windows` in `os`
[INFO] [stdout]   --> src/main.rs:61:40
[INFO] [stdout]    |
[INFO] [stdout] 61 |             let mut execute = std::os::windows::process::CommandExt::creation_flags(Command::new(shell)
[INFO] [stdout]    |                                        ^^^^^^^ could not find `windows` in `os`
[INFO] [stdout]    |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/os/mod.rs:63:9
[INFO] [stdout] note: the item is gated here
[INFO] [stdout]   --> /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/os/mod.rs:56:5
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/os/mod.rs:121:9
[INFO] [stdout] note: the item is gated here
[INFO] [stdout]   --> /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/os/mod.rs:120:10
[INFO] [stdout] help: consider importing one of these traits
[INFO] [stdout]    |
[INFO] [stdout] 4  + use std::os::linux::process::CommandExt;
[INFO] [stdout]    |
[INFO] [stdout] 4  + use std::os::unix::prelude::CommandExt;
[INFO] [stdout]    |
[INFO] [stdout] help: if you import `CommandExt`, refer to it directly
[INFO] [stdout]    |
[INFO] [stdout] 61 -             let mut execute = std::os::windows::process::CommandExt::creation_flags(Command::new(shell)
[INFO] [stdout] 61 +             let mut execute = CommandExt::creation_flags(Command::new(shell)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `app` (bin "app") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `app` (bin "app" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "a18aaf4d2111bf6583fcc73e6d41ca5e3d63b3d19f3917ec30070f6965b343cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a18aaf4d2111bf6583fcc73e6d41ca5e3d63b3d19f3917ec30070f6965b343cf", kill_on_drop: false }`
[INFO] [stdout] a18aaf4d2111bf6583fcc73e6d41ca5e3d63b3d19f3917ec30070f6965b343cf