[INFO] cloning repository https://github.com/rust-learning-examples/systemcall [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rust-learning-examples/systemcall" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-learning-examples%2Fsystemcall", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-learning-examples%2Fsystemcall'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ca1c36dd382097099da44ec6c5996fa1cb463862 [INFO] checking rust-learning-examples/systemcall against try#e90f1ff63e694965281f833819a486da29772bdf for pr-146167 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-learning-examples%2Fsystemcall" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/rust-learning-examples/systemcall [INFO] finished tweaking git repo https://github.com/rust-learning-examples/systemcall [INFO] tweaked toml for git repo https://github.com/rust-learning-examples/systemcall written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/rust-learning-examples/systemcall on toolchain e90f1ff63e694965281f833819a486da29772bdf [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e90f1ff63e694965281f833819a486da29772bdf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/rust-learning-examples/systemcall 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" "+e90f1ff63e694965281f833819a486da29772bdf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded zbus_names v2.5.0 [INFO] [stderr] Downloaded notify-rust v4.7.0 [INFO] [stderr] Downloaded windows-targets v0.42.1 [INFO] [stderr] Downloaded futures-io v0.3.26 [INFO] [stderr] Downloaded zvariant_derive v3.10.0 [INFO] [stderr] Downloaded serde_path_to_error v0.1.9 [INFO] [stderr] Downloaded uds_windows v1.0.2 [INFO] [stderr] Downloaded zvariant v3.10.0 [INFO] [stderr] Downloaded axum-core v0.3.2 [INFO] [stderr] Downloaded futures-lite v1.12.0 [INFO] [stderr] Downloaded futures-channel v0.3.26 [INFO] [stderr] Downloaded matchit v0.7.0 [INFO] [stderr] Downloaded crossbeam-utils v0.8.14 [INFO] [stderr] Downloaded clap_lex v0.3.1 [INFO] [stderr] Downloaded strum v0.22.0 [INFO] [stderr] Downloaded ordered-stream v0.1.4 [INFO] [stderr] Downloaded futures-sink v0.3.26 [INFO] [stderr] Downloaded futures-util v0.3.26 [INFO] [stderr] Downloaded parking v2.0.0 [INFO] [stderr] Downloaded polling v2.5.2 [INFO] [stderr] Downloaded quick-xml v0.23.1 [INFO] [stderr] Downloaded async-recursion v1.0.2 [INFO] [stderr] Downloaded tokio v1.25.0 [INFO] [stderr] Downloaded futures-core v0.3.26 [INFO] [stderr] Downloaded zbus_macros v3.8.0 [INFO] [stderr] Downloaded io-lifetimes v1.0.5 [INFO] [stderr] Downloaded strum_macros v0.22.0 [INFO] [stderr] Downloaded windows_i686_gnu v0.39.0 [INFO] [stderr] Downloaded async-broadcast v0.5.0 [INFO] [stderr] Downloaded windows_x86_64_msvc v0.39.0 [INFO] [stderr] Downloaded windows_aarch64_msvc v0.39.0 [INFO] [stderr] Downloaded wepoll-ffi v0.1.2 [INFO] [stderr] Downloaded linux-raw-sys v0.1.4 [INFO] [stderr] Downloaded windows_x86_64_gnu v0.39.0 [INFO] [stderr] Downloaded async-io v1.12.0 [INFO] [stderr] Downloaded async-task v4.3.0 [INFO] [stderr] Downloaded async-trait v0.1.64 [INFO] [stderr] Downloaded futures-task v0.3.26 [INFO] [stderr] Downloaded zbus v3.8.0 [INFO] [stderr] Downloaded clap_derive v4.1.0 [INFO] [stderr] Downloaded rustix v0.36.7 [INFO] [stderr] Downloaded clap v4.1.4 [INFO] [stderr] Downloaded os_str_bytes v6.4.1 [INFO] [stderr] Downloaded is-terminal v0.4.2 [INFO] [stderr] Downloaded async-executor v1.5.0 [INFO] [stderr] Downloaded regex v1.7.1 [INFO] [stderr] Downloaded mac-notification-sys v0.5.6 [INFO] [stderr] Downloaded tauri-winrt-notification v0.1.0 [INFO] [stderr] Downloaded axum v0.6.4 [INFO] [stderr] Downloaded concurrent-queue v2.1.0 [INFO] [stderr] Downloaded async-lock v2.6.0 [INFO] [stderr] Downloaded windows_i686_msvc v0.39.0 [INFO] [stderr] Downloaded windows v0.39.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+e90f1ff63e694965281f833819a486da29772bdf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4c5cb4a157698c9d6542688ed56b5d50ee815c07779922b932d70e7932d1d0bb [INFO] running `Command { std: "docker" "start" "-a" "4c5cb4a157698c9d6542688ed56b5d50ee815c07779922b932d70e7932d1d0bb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4c5cb4a157698c9d6542688ed56b5d50ee815c07779922b932d70e7932d1d0bb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4c5cb4a157698c9d6542688ed56b5d50ee815c07779922b932d70e7932d1d0bb", kill_on_drop: false }` [INFO] [stdout] 4c5cb4a157698c9d6542688ed56b5d50ee815c07779922b932d70e7932d1d0bb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+e90f1ff63e694965281f833819a486da29772bdf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 86a7383499ab1913efa358ad9149c1f494179d3569834da4c05c047646da8238 [INFO] running `Command { std: "docker" "start" "-a" "86a7383499ab1913efa358ad9149c1f494179d3569834da4c05c047646da8238", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.107 [INFO] [stderr] Compiling libc v0.2.139 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling futures-core v0.3.26 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling slab v0.4.7 [INFO] [stderr] Compiling serde_derive v1.0.152 [INFO] [stderr] Checking once_cell v1.17.0 [INFO] [stderr] Compiling serde v1.0.152 [INFO] [stderr] Compiling parking_lot_core v0.9.7 [INFO] [stderr] Compiling indexmap v1.9.2 [INFO] [stderr] Compiling proc-macro2 v1.0.50 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling futures-task v0.3.26 [INFO] [stderr] Compiling hashbrown v0.12.3 [INFO] [stderr] Compiling typenum v1.16.0 [INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.50/src/lib.rs:92:30 [INFO] [stdout] | [INFO] [stdout] 92 | feature(proc_macro_span, proc_macro_span_shrink) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking tracing-core v0.1.30 [INFO] [stderr] Compiling futures-util v0.3.26 [INFO] [stderr] Compiling rustversion v1.0.11 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Compiling toml_datetime v0.5.1 [INFO] [stderr] Compiling generic-array v0.14.6 [INFO] [stderr] Checking futures-sink v0.3.26 [INFO] [stderr] Checking bytes v1.4.0 [INFO] [stderr] Checking itoa v1.0.5 [INFO] [stderr] Compiling crossbeam-utils v0.8.14 [INFO] [stdout] For more information about this error, try `rustc --explain E0635`. [INFO] [stdout] [INFO] [stderr] Compiling tokio v1.25.0 [INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 1 previous error [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "86a7383499ab1913efa358ad9149c1f494179d3569834da4c05c047646da8238", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "86a7383499ab1913efa358ad9149c1f494179d3569834da4c05c047646da8238", kill_on_drop: false }` [INFO] [stdout] 86a7383499ab1913efa358ad9149c1f494179d3569834da4c05c047646da8238