[INFO] cloning repository https://github.com/liqiang-1994/liberty [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/liqiang-1994/liberty" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fliqiang-1994%2Fliberty", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fliqiang-1994%2Fliberty'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4edd059a636a3ac4317224eac499f47c8b8e5f73 [INFO] testing liqiang-1994/liberty against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fliqiang-1994%2Fliberty" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/liqiang-1994/liberty [INFO] finished tweaking git repo https://github.com/liqiang-1994/liberty [INFO] tweaked toml for git repo https://github.com/liqiang-1994/liberty written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/liqiang-1994/liberty on toolchain caccb4d0368bd918ef6668af8e13834d07040417 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/liqiang-1994/liberty 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" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... 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Downloaded num_cpus v1.14.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 316959aa02014fd894d1ba3bcc189c65b921a097d9d11e3b07af7eadc35c801a [INFO] running `Command { std: "docker" "start" "-a" "316959aa02014fd894d1ba3bcc189c65b921a097d9d11e3b07af7eadc35c801a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "316959aa02014fd894d1ba3bcc189c65b921a097d9d11e3b07af7eadc35c801a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "316959aa02014fd894d1ba3bcc189c65b921a097d9d11e3b07af7eadc35c801a", kill_on_drop: false }` [INFO] [stdout] 316959aa02014fd894d1ba3bcc189c65b921a097d9d11e3b07af7eadc35c801a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 04fff2b3256a0b170b45618a21759d9d1e829ff50208b49b447720bb89116f85 [INFO] running `Command { std: "docker" "start" "-a" "04fff2b3256a0b170b45618a21759d9d1e829ff50208b49b447720bb89116f85", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.137 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling smallvec v1.7.0 [INFO] [stderr] Compiling cc v1.0.72 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling itoa v1.0.1 [INFO] [stderr] Compiling lock_api v0.4.6 [INFO] [stderr] Compiling serde_derive v1.0.147 [INFO] [stderr] Compiling serde v1.0.147 [INFO] [stderr] Compiling parking_lot_core v0.9.1 [INFO] [stderr] Compiling proc-macro2 v1.0.47 [INFO] [stderr] Compiling ppv-lite86 v0.2.15 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling tokio v1.22.0 [INFO] [stderr] Compiling base64 v0.13.0 [INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.47/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] Compiling subtle v2.4.1 [INFO] [stderr] Compiling percent-encoding v2.1.0 [INFO] [stderr] Compiling matches v0.1.9 [INFO] [stderr] Compiling http v0.2.8 [INFO] [stderr] Compiling futures-channel v0.3.25 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling futures-util v0.3.25 [INFO] [stderr] Compiling generic-array v0.14.4 [INFO] [stderr] Compiling futures-task v0.3.25 [INFO] [stderr] Compiling form_urlencoded v1.0.1 [INFO] [stderr] Compiling tinyvec_macros v0.1.0 [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" "04fff2b3256a0b170b45618a21759d9d1e829ff50208b49b447720bb89116f85", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "04fff2b3256a0b170b45618a21759d9d1e829ff50208b49b447720bb89116f85", kill_on_drop: false }` [INFO] [stdout] 04fff2b3256a0b170b45618a21759d9d1e829ff50208b49b447720bb89116f85