[INFO] fetching crate data_nostd 0.1.0... [INFO] checking data_nostd-0.1.0 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1 [INFO] extracting crate data_nostd 0.1.0 into /workspace/builds/worker-5-tc2/source [INFO] started tweaking crates.io crate data_nostd 0.1.0 [INFO] finished tweaking crates.io crate data_nostd 0.1.0 [INFO] tweaked toml for crates.io crate data_nostd 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate data_nostd 0.1.0 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 59480db5989e7f9c50fa59f4c8f0e0286779a29d65effaa1da5d0b5b39558577 [INFO] running `Command { std: "docker" "start" "-a" "59480db5989e7f9c50fa59f4c8f0e0286779a29d65effaa1da5d0b5b39558577", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "59480db5989e7f9c50fa59f4c8f0e0286779a29d65effaa1da5d0b5b39558577", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "59480db5989e7f9c50fa59f4c8f0e0286779a29d65effaa1da5d0b5b39558577", kill_on_drop: false }` [INFO] [stdout] 59480db5989e7f9c50fa59f4c8f0e0286779a29d65effaa1da5d0b5b39558577 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 372466c321c1d68e9149f7abbe099e3bd9d4d849da2e360cacbc9ee7f5fe9836 [INFO] running `Command { std: "docker" "start" "-a" "372466c321c1d68e9149f7abbe099e3bd9d4d849da2e360cacbc9ee7f5fe9836", kill_on_drop: false }` [INFO] [stderr] Checking data_nostd v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0152]: found duplicate lang item `panic_impl` [INFO] [stdout] --> src/lib.rs:78:1 [INFO] [stdout] | [INFO] [stdout] 78 | / fn panic(_info: &PanicInfo) -> ! { [INFO] [stdout] 79 | | loop {} //Something should be done with this [INFO] [stdout] 80 | | } [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/a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-9fbdd90241d2d923.rlib [INFO] [stdout] = note: second definition in the local crate (`data_nostd`) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0152`. [INFO] [stdout] [INFO] [stderr] error: could not compile `data_nostd` (lib test) due to 1 previous error [INFO] running `Command { std: "docker" "inspect" "372466c321c1d68e9149f7abbe099e3bd9d4d849da2e360cacbc9ee7f5fe9836", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "372466c321c1d68e9149f7abbe099e3bd9d4d849da2e360cacbc9ee7f5fe9836", kill_on_drop: false }` [INFO] [stdout] 372466c321c1d68e9149f7abbe099e3bd9d4d849da2e360cacbc9ee7f5fe9836