[INFO] cloning repository https://github.com/imtsuki/xv7 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/imtsuki/xv7" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimtsuki%2Fxv7", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimtsuki%2Fxv7'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d38cb191ab05681b492ac578f3973ffd887bf091 [INFO] checking imtsuki/xv7 against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimtsuki%2Fxv7" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/imtsuki/xv7 on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/imtsuki/xv7 [INFO] finished tweaking git repo https://github.com/imtsuki/xv7 [INFO] tweaked toml for git repo https://github.com/imtsuki/xv7 written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/imtsuki/xv7 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b6be9268ffc63f22261ccc350633d9b066b41e0bde2fd0289a670681ce8de1d6 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "b6be9268ffc63f22261ccc350633d9b066b41e0bde2fd0289a670681ce8de1d6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b6be9268ffc63f22261ccc350633d9b066b41e0bde2fd0289a670681ce8de1d6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b6be9268ffc63f22261ccc350633d9b066b41e0bde2fd0289a670681ce8de1d6", kill_on_drop: false }` [INFO] [stdout] b6be9268ffc63f22261ccc350633d9b066b41e0bde2fd0289a670681ce8de1d6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6cda89ca00e9ec12cedb9a9b2e0e7f2b006f049d4b6502d826962d9d30d2b1d0 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "6cda89ca00e9ec12cedb9a9b2e0e7f2b006f049d4b6502d826962d9d30d2b1d0", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.19 [INFO] [stderr] Compiling syn v1.0.38 [INFO] [stderr] Compiling x86_64 v0.11.1 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking bit_field v0.9.0 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking bit_field v0.10.0 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking xv7-usyscall v0.1.0 (/opt/rustwide/workdir/xv7-usyscall) [INFO] [stderr] Checking plain v0.2.3 [INFO] [stderr] Checking arrayvec v0.5.1 [INFO] [stderr] Checking radium v0.3.0 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Checking spin v0.5.2 [INFO] [stderr] Checking utf8parse v0.2.0 [INFO] [stderr] Checking zeroize v1.1.0 [INFO] [stderr] Checking pc-keyboard v0.5.1 [INFO] [stderr] Checking xv7-user v0.1.0 (/opt/rustwide/workdir/xv7-user) [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Checking ucs2 v0.3.1 [INFO] [stdout] warning: `extern` fn uses type `fn() -> T`, which is not FFI-safe [INFO] [stdout] --> xv7-user/src/rt.rs:21:11 [INFO] [stdout] | [INFO] [stdout] 21 | main: fn() -> T, [INFO] [stdout] | ^^^^^^^^^ not FFI-safe [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(improper_ctypes_definitions)]` on by default [INFO] [stdout] = help: consider using an `extern fn(...) -> ...` function pointer instead [INFO] [stdout] = note: this function pointer has Rust-specific calling convention [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking bitvec v0.17.4 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking bitflags v1.2.1 [INFO] [stderr] Checking log v0.4.11 [INFO] [stdout] warning: `extern` fn uses type `fn() -> T`, which is not FFI-safe [INFO] [stdout] --> xv7-user/src/rt.rs:21:11 [INFO] [stdout] | [INFO] [stdout] 21 | main: fn() -> T, [INFO] [stdout] | ^^^^^^^^^ not FFI-safe [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(improper_ctypes_definitions)]` on by default [INFO] [stdout] = help: consider using an `extern fn(...) -> ...` function pointer instead [INFO] [stdout] = note: this function pointer has Rust-specific calling convention [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking spinning_top v0.1.1 [INFO] [stdout] error: duplicate lang item in crate `std` (which `test` depends on): `panic_impl`. [INFO] [stdout] | [INFO] [stdout] = note: the lang item is first defined in crate `xv7_user` (which `init` depends on) [INFO] [stdout] = note: first definition in `xv7_user` loaded from /opt/rustwide/target/debug/deps/libxv7_user-d763ea3172571c84.rmeta [INFO] [stdout] = note: second definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-6f5658153d127ddd.rlib [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: duplicate lang item in crate `std` (which `test` depends on): `start`. [INFO] [stdout] | [INFO] [stdout] = note: the lang item is first defined in crate `xv7_user` (which `init` depends on) [INFO] [stdout] = note: first definition in `xv7_user` loaded from /opt/rustwide/target/debug/deps/libxv7_user-d763ea3172571c84.rmeta [INFO] [stdout] = note: second definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-6f5658153d127ddd.rlib [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `xv7-user` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/x86_64-0.11.1/src/lib.rs:6:43 [INFO] [stdout] | [INFO] [stdout] 6 | #![cfg_attr(feature = "const_fn", feature(const_in_array_repeat_expressions))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ feature has been removed [INFO] [stdout] | [INFO] [stdout] = note: removed due to causing promotable bugs [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/x86_64-0.11.1/src/lib.rs:6:43 [INFO] [stdout] | [INFO] [stdout] 6 | #![cfg_attr(feature = "const_fn", feature(const_in_array_repeat_expressions))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ feature has been removed [INFO] [stdout] | [INFO] [stdout] = note: removed due to causing promotable bugs [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 E0557`. [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 E0557`. [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "6cda89ca00e9ec12cedb9a9b2e0e7f2b006f049d4b6502d826962d9d30d2b1d0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6cda89ca00e9ec12cedb9a9b2e0e7f2b006f049d4b6502d826962d9d30d2b1d0", kill_on_drop: false }` [INFO] [stdout] 6cda89ca00e9ec12cedb9a9b2e0e7f2b006f049d4b6502d826962d9d30d2b1d0