[INFO] cloning repository https://github.com/Denteyon/simple-shell
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Denteyon/simple-shell" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDenteyon%2Fsimple-shell", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDenteyon%2Fsimple-shell'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b9c843ae31a1ac16ae3f1636b9adef7b53d3c50b
[INFO] checking Denteyon/simple-shell against try#f27166d4c64dc29edc5ea3214357f191edf8b635 for pr-148329
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDenteyon%2Fsimple-shell" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Denteyon/simple-shell
[INFO] finished tweaking git repo https://github.com/Denteyon/simple-shell
[INFO] tweaked toml for git repo https://github.com/Denteyon/simple-shell written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Denteyon/simple-shell on toolchain f27166d4c64dc29edc5ea3214357f191edf8b635
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f27166d4c64dc29edc5ea3214357f191edf8b635" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Denteyon/simple-shell 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" "+f27166d4c64dc29edc5ea3214357f191edf8b635" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+f27166d4c64dc29edc5ea3214357f191edf8b635" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8545784ec9e0ffe8809799f2d5bfe597341aea928cd11fe7ca6d0a2a1ead9acc
[INFO] running `Command { std: "docker" "start" "-a" "8545784ec9e0ffe8809799f2d5bfe597341aea928cd11fe7ca6d0a2a1ead9acc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8545784ec9e0ffe8809799f2d5bfe597341aea928cd11fe7ca6d0a2a1ead9acc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8545784ec9e0ffe8809799f2d5bfe597341aea928cd11fe7ca6d0a2a1ead9acc", kill_on_drop: false }`
[INFO] [stdout] 8545784ec9e0ffe8809799f2d5bfe597341aea928cd11fe7ca6d0a2a1ead9acc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+f27166d4c64dc29edc5ea3214357f191edf8b635" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 27751aaecfcdf294bc8c4d9c660d894b7bfa9a24dd21b8431db5826e6b5b7560
[INFO] running `Command { std: "docker" "start" "-a" "27751aaecfcdf294bc8c4d9c660d894b7bfa9a24dd21b8431db5826e6b5b7560", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking nix v0.20.2
[INFO] [stderr]     Checking simple-shell v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0133]: call to unsafe function `nix::unistd::fork` is unsafe and requires unsafe function or block
[INFO] [stdout]   --> src/main.rs:26:23
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let _ = match fork() {
[INFO] [stdout]    |                       ^^^^^^ call to unsafe function
[INFO] [stdout]    |
[INFO] [stdout]    = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0133`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `simple-shell` (bin "simple-shell" test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0133]: call to unsafe function `nix::unistd::fork` is unsafe and requires unsafe function or block
[INFO] [stdout]   --> src/main.rs:26:23
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let _ = match fork() {
[INFO] [stdout]    |                       ^^^^^^ call to unsafe function
[INFO] [stdout]    |
[INFO] [stdout]    = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0133`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `simple-shell` (bin "simple-shell") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "27751aaecfcdf294bc8c4d9c660d894b7bfa9a24dd21b8431db5826e6b5b7560", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27751aaecfcdf294bc8c4d9c660d894b7bfa9a24dd21b8431db5826e6b5b7560", kill_on_drop: false }`
[INFO] [stdout] 27751aaecfcdf294bc8c4d9c660d894b7bfa9a24dd21b8431db5826e6b5b7560
