[INFO] cloning repository https://github.com/alhaad/vshnu-os
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alhaad/vshnu-os" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falhaad%2Fvshnu-os", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falhaad%2Fvshnu-os'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e4439f972a4dc8bc8d74622fc6af1554c3403f0a
[INFO] testing alhaad/vshnu-os against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falhaad%2Fvshnu-os" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alhaad/vshnu-os on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/alhaad/vshnu-os
[INFO] finished tweaking git repo https://github.com/alhaad/vshnu-os
[INFO] tweaked toml for git repo https://github.com/alhaad/vshnu-os written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/alhaad/vshnu-os already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/rust-lang-nursery/compiler-builtins`
[INFO] [stderr]     Updating git submodule `https://github.com/rust-lang/compiler-rt`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ea54745c92abb9634a3f7627888371275ec216b95b72c2d369e9f5304a56df91
[INFO] running `Command { std: "docker" "start" "-a" "ea54745c92abb9634a3f7627888371275ec216b95b72c2d369e9f5304a56df91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea54745c92abb9634a3f7627888371275ec216b95b72c2d369e9f5304a56df91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea54745c92abb9634a3f7627888371275ec216b95b72c2d369e9f5304a56df91", kill_on_drop: false }`
[INFO] [stdout] ea54745c92abb9634a3f7627888371275ec216b95b72c2d369e9f5304a56df91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d67afda9aa03ccc3a8928675728f13093cf65a854650473d9176ae3eebe2025f
[INFO] running `Command { std: "docker" "start" "-a" "d67afda9aa03ccc3a8928675728f13093cf65a854650473d9176ae3eebe2025f", kill_on_drop: false }`
[INFO] [stderr]    Compiling compiler_builtins v0.1.0 (https://github.com/rust-lang-nursery/compiler-builtins#67e0908d)
[INFO] [stderr]    Compiling rlibc v1.0.0
[INFO] [stdout] error[E0545]: `issue` must be a non-zero numeric string or "none"
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/compiler-builtins-ec094dc45a0179c8/67e0908/src/lib.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             issue = "0")]
[INFO] [stdout]    |             ^^^^^^^^---
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     `issue` must not be "0", use "none" instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0545`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `compiler_builtins`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "d67afda9aa03ccc3a8928675728f13093cf65a854650473d9176ae3eebe2025f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d67afda9aa03ccc3a8928675728f13093cf65a854650473d9176ae3eebe2025f", kill_on_drop: false }`
[INFO] [stdout] d67afda9aa03ccc3a8928675728f13093cf65a854650473d9176ae3eebe2025f