[INFO] cloning repository https://github.com/roblabla/xargo-reproducer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/roblabla/xargo-reproducer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Froblabla%2Fxargo-reproducer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Froblabla%2Fxargo-reproducer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 71131db874ca968ded5bc34a574dd21a07687043
[INFO] testing roblabla/xargo-reproducer against 1.91.0 for beta-1.92-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Froblabla%2Fxargo-reproducer" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] [stderr] [attr]rust text eol=lf whitespace=tab-in-indent,trailing-space,tabwidth=4 not allowed: rust/.gitattributes:1
[INFO] removed /workspace/builds/worker-5-tc1/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/roblabla/xargo-reproducer
[INFO] finished tweaking git repo https://github.com/roblabla/xargo-reproducer
[INFO] tweaked toml for git repo https://github.com/roblabla/xargo-reproducer written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/roblabla/xargo-reproducer on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/roblabla/xargo-reproducer 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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/roblabla/xargo-reproducer`
[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-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 876ea6f881365a50111eeaa86aa2a6c2726538aee7157d2de45fffe9dec7bc4a
[INFO] running `Command { std: "docker" "start" "-a" "876ea6f881365a50111eeaa86aa2a6c2726538aee7157d2de45fffe9dec7bc4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "876ea6f881365a50111eeaa86aa2a6c2726538aee7157d2de45fffe9dec7bc4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "876ea6f881365a50111eeaa86aa2a6c2726538aee7157d2de45fffe9dec7bc4a", kill_on_drop: false }`
[INFO] [stdout] 876ea6f881365a50111eeaa86aa2a6c2726538aee7157d2de45fffe9dec7bc4a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e62299e7882ed7b9537c0c21b67c55a34acb009e98dd57bc7d762256d26aaf60
[INFO] running `Command { std: "docker" "start" "-a" "e62299e7882ed7b9537c0c21b67c55a34acb009e98dd57bc7d762256d26aaf60", kill_on_drop: false }`
[INFO] [stderr]    Compiling nocorelib v0.1.0 (https://github.com/roblabla/xargo-reproducer#6fbe973b)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/xargo-reproducer-f9627aea13c5d750/6fbe973/nocorelib/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(no_core)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nocorelib` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "e62299e7882ed7b9537c0c21b67c55a34acb009e98dd57bc7d762256d26aaf60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e62299e7882ed7b9537c0c21b67c55a34acb009e98dd57bc7d762256d26aaf60", kill_on_drop: false }`
[INFO] [stdout] e62299e7882ed7b9537c0c21b67c55a34acb009e98dd57bc7d762256d26aaf60
