[INFO] cloning repository https://github.com/chenson2018/synacor [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chenson2018/synacor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchenson2018%2Fsynacor", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchenson2018%2Fsynacor'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 76ce3f13ba97a64c7590fad7728107f98e80d59e [INFO] checking chenson2018/synacor against try#5de9e0e6cf775e94e0de2003f35e183f3f77bfe8 for pr-143808 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchenson2018%2Fsynacor" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/chenson2018/synacor [INFO] finished tweaking git repo https://github.com/chenson2018/synacor [INFO] tweaked toml for git repo https://github.com/chenson2018/synacor written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/chenson2018/synacor on toolchain 5de9e0e6cf775e94e0de2003f35e183f3f77bfe8 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5de9e0e6cf775e94e0de2003f35e183f3f77bfe8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/chenson2018/synacor 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" "+5de9e0e6cf775e94e0de2003f35e183f3f77bfe8" "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 main_error v0.1.2 [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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+5de9e0e6cf775e94e0de2003f35e183f3f77bfe8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 82de60ce2501c1eb5d5ff64af3ae33602f569f2af8b764c3a108db00985e3588 [INFO] running `Command { std: "docker" "start" "-a" "82de60ce2501c1eb5d5ff64af3ae33602f569f2af8b764c3a108db00985e3588", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "82de60ce2501c1eb5d5ff64af3ae33602f569f2af8b764c3a108db00985e3588", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "82de60ce2501c1eb5d5ff64af3ae33602f569f2af8b764c3a108db00985e3588", kill_on_drop: false }` [INFO] [stdout] 82de60ce2501c1eb5d5ff64af3ae33602f569f2af8b764c3a108db00985e3588 [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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+5de9e0e6cf775e94e0de2003f35e183f3f77bfe8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9960fff450850aab1c080a9f74bdcdc09ced73fc71e16ca2b9f8680ef6ea69b3 [INFO] running `Command { std: "docker" "start" "-a" "9960fff450850aab1c080a9f74bdcdc09ced73fc71e16ca2b9f8680ef6ea69b3", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.55 [INFO] [stderr] Compiling quote v1.0.26 [INFO] [stderr] Compiling libc v0.2.140 [INFO] [stderr] Compiling unicode-ident v1.0.8 [INFO] [stderr] Compiling io-lifetimes v1.0.9 [INFO] [stderr] Compiling rustix v0.37.6 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking linux-raw-sys v0.3.1 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling rustversion v1.0.12 [INFO] [stderr] Compiling heck v0.4.1 [INFO] [stderr] Checking utf8parse v0.2.1 [INFO] [stderr] Checking concolor-override v1.0.0 [INFO] [stderr] Checking concolor-query v0.3.3 [INFO] [stderr] Checking anstyle v0.3.5 [INFO] [stderr] Checking strsim v0.10.0 [INFO] [stderr] Checking clap_lex v0.4.1 [INFO] [stderr] Checking unicode-width v0.1.10 [INFO] [stderr] Checking anstyle-parse v0.1.1 [INFO] [stderr] Checking termcolor v1.2.0 [INFO] [stderr] Checking either v1.8.1 [INFO] [stderr] Checking once_cell v1.17.1 [INFO] [stderr] Checking bimap v0.6.3 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking main_error v0.1.2 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking codespan-reporting v0.11.1 [INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.55/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] [stdout] For more information about this error, try `rustc --explain E0635`. [INFO] [stdout] [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" "9960fff450850aab1c080a9f74bdcdc09ced73fc71e16ca2b9f8680ef6ea69b3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9960fff450850aab1c080a9f74bdcdc09ced73fc71e16ca2b9f8680ef6ea69b3", kill_on_drop: false }` [INFO] [stdout] 9960fff450850aab1c080a9f74bdcdc09ced73fc71e16ca2b9f8680ef6ea69b3