[INFO] cloning repository https://github.com/khvorov45/nostd
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/khvorov45/nostd" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkhvorov45%2Fnostd", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkhvorov45%2Fnostd'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b0b2a040b2b29b5a9ea1e58cfaeb9836168751a9
[INFO] testing khvorov45/nostd against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkhvorov45%2Fnostd" "/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/khvorov45/nostd on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/khvorov45/nostd
[INFO] finished tweaking git repo https://github.com/khvorov45/nostd
[INFO] tweaked toml for git repo https://github.com/khvorov45/nostd written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/khvorov45/nostd already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 488df0c2c7c345f8b70d5f8474b384d4dac53e27cd14fec540872024aefcc8d1
[INFO] running `Command { std: "docker" "start" "-a" "488df0c2c7c345f8b70d5f8474b384d4dac53e27cd14fec540872024aefcc8d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "488df0c2c7c345f8b70d5f8474b384d4dac53e27cd14fec540872024aefcc8d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "488df0c2c7c345f8b70d5f8474b384d4dac53e27cd14fec540872024aefcc8d1", kill_on_drop: false }`
[INFO] [stdout] 488df0c2c7c345f8b70d5f8474b384d4dac53e27cd14fec540872024aefcc8d1
[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=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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 06417d4cd1924f87eaf85b7008d3ec6b52b529441c700f539c5ebc225c529e67
[INFO] running `Command { std: "docker" "start" "-a" "06417d4cd1924f87eaf85b7008d3ec6b52b529441c700f539c5ebc225c529e67", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling nostd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.20s
[INFO] running `Command { std: "docker" "inspect" "06417d4cd1924f87eaf85b7008d3ec6b52b529441c700f539c5ebc225c529e67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06417d4cd1924f87eaf85b7008d3ec6b52b529441c700f539c5ebc225c529e67", kill_on_drop: false }`
[INFO] [stdout] 06417d4cd1924f87eaf85b7008d3ec6b52b529441c700f539c5ebc225c529e67
[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=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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d8acde321613e5a55019885c595cb7a6c8ce33c4b55b864aabe327680b9ee171
[INFO] running `Command { std: "docker" "start" "-a" "d8acde321613e5a55019885c595cb7a6c8ce33c4b55b864aabe327680b9ee171", kill_on_drop: false }`
[INFO] [stderr]    Compiling nostd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl`
[INFO] [stdout]  --> src/main.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn panic(_info: &PanicInfo) -> ! {
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: the lang item is first defined in crate `std` (which `test` depends on)
[INFO] [stdout]   = note: first definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-008055cc7d873802.so, /opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-008055cc7d873802.rlib
[INFO] [stdout]   = note: second definition in the local crate (`nostd`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nostd` due to 2 previous errors
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0152`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d8acde321613e5a55019885c595cb7a6c8ce33c4b55b864aabe327680b9ee171", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8acde321613e5a55019885c595cb7a6c8ce33c4b55b864aabe327680b9ee171", kill_on_drop: false }`
[INFO] [stdout] d8acde321613e5a55019885c595cb7a6c8ce33c4b55b864aabe327680b9ee171