[INFO] cloning repository https://github.com/tiqwab/xv6-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tiqwab/xv6-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftiqwab%2Fxv6-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftiqwab%2Fxv6-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 525899393df10855a274ce0a9d4e5841aa032aeb [INFO] checking tiqwab/xv6-rust against try#8c500c7cefd54fd11d57295f3771d576be9ee415 for pr-145113 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftiqwab%2Fxv6-rust" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] removed /workspace/builds/worker-2-tc2/source/rust-toolchain [INFO] started tweaking git repo https://github.com/tiqwab/xv6-rust [INFO] finished tweaking git repo https://github.com/tiqwab/xv6-rust [INFO] tweaked toml for git repo https://github.com/tiqwab/xv6-rust written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/tiqwab/xv6-rust on toolchain 8c500c7cefd54fd11d57295f3771d576be9ee415 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c500c7cefd54fd11d57295f3771d576be9ee415" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/tiqwab/xv6-rust 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" "+8c500c7cefd54fd11d57295f3771d576be9ee415" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded linked_list_allocator v0.8.4 [INFO] [stderr] Downloaded spinning_top v0.1.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+8c500c7cefd54fd11d57295f3771d576be9ee415" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f13ceb68fa4e1e51f8ad53294538286efc311054a36c35f686eb4341d7f09f2b [INFO] running `Command { std: "docker" "start" "-a" "f13ceb68fa4e1e51f8ad53294538286efc311054a36c35f686eb4341d7f09f2b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f13ceb68fa4e1e51f8ad53294538286efc311054a36c35f686eb4341d7f09f2b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f13ceb68fa4e1e51f8ad53294538286efc311054a36c35f686eb4341d7f09f2b", kill_on_drop: false }` [INFO] [stdout] f13ceb68fa4e1e51f8ad53294538286efc311054a36c35f686eb4341d7f09f2b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+8c500c7cefd54fd11d57295f3771d576be9ee415" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4f2fc6acd06572311b2ba6296f9cef28b8ba4a4a01a1462dfa729f098e5322a7 [INFO] running `Command { std: "docker" "start" "-a" "4f2fc6acd06572311b2ba6296f9cef28b8ba4a4a01a1462dfa729f098e5322a7", kill_on_drop: false }` [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling cc v1.0.50 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/lock_api-0.3.4/src/lib.rs:91:42 [INFO] [stdout] | [INFO] [stdout] 91 | #![cfg_attr(feature = "nightly", feature(const_fn))] [INFO] [stdout] | ^^^^^^^^ feature has been removed [INFO] [stdout] | [INFO] [stdout] = note: removed in 1.54.0; see for more information [INFO] [stdout] = note: split into finer-grained feature gates [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0557`. [INFO] [stdout] [INFO] [stderr] error: could not compile `lock_api` (lib) due to 1 previous error [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "4f2fc6acd06572311b2ba6296f9cef28b8ba4a4a01a1462dfa729f098e5322a7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4f2fc6acd06572311b2ba6296f9cef28b8ba4a4a01a1462dfa729f098e5322a7", kill_on_drop: false }` [INFO] [stdout] 4f2fc6acd06572311b2ba6296f9cef28b8ba4a4a01a1462dfa729f098e5322a7