[INFO] fetching crate gmssl 0.1.0...
[INFO] testing gmssl-0.1.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate gmssl 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate gmssl 0.1.0
[INFO] finished tweaking crates.io crate gmssl 0.1.0
[INFO] tweaked toml for crates.io crate gmssl 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate gmssl 0.1.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate gmssl 0.1.0 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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]      Locking 4 packages to latest compatible versions
[INFO] [stderr]       Adding aho-corasick v1.1.4
[INFO] [stderr]       Adding regex v1.9.4 (available: v1.12.2)
[INFO] [stderr]       Adding regex-automata v0.3.7 (available: v0.3.9)
[INFO] [stderr]       Adding regex-syntax v0.7.5
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.56
[INFO] [stderr]   Downloaded gmssl-macros v0.1.0
[INFO] [stderr]   Downloaded gmssl-sys v0.1.0
[INFO] [stderr]   Downloaded which v4.4.0
[INFO] [stderr]   Downloaded bindgen v0.64.0
[INFO] [stderr]   Downloaded syn v2.0.15
[INFO] [stderr]   Downloaded regex v1.9.4
[INFO] [stderr]   Downloaded gmssl-src v0.1.0
[INFO] [stderr]   Downloaded regex-automata v0.3.7
[INFO] [stderr]   Downloaded libc v0.2.141
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 44b6f4614335e888e52863ae1f216368f9913c2ff11c3f084a0cce651729c2bb
[INFO] running `Command { std: "docker" "start" "-a" "44b6f4614335e888e52863ae1f216368f9913c2ff11c3f084a0cce651729c2bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44b6f4614335e888e52863ae1f216368f9913c2ff11c3f084a0cce651729c2bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44b6f4614335e888e52863ae1f216368f9913c2ff11c3f084a0cce651729c2bb", kill_on_drop: false }`
[INFO] [stdout] 44b6f4614335e888e52863ae1f216368f9913c2ff11c3f084a0cce651729c2bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a3baaabb6f2c11ac1b6c6b20943800122feff3755aba604f6065f4c295ed22a
[INFO] running `Command { std: "docker" "start" "-a" "3a3baaabb6f2c11ac1b6c6b20943800122feff3755aba604f6065f4c295ed22a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling libc v0.2.141
[INFO] [stderr]    Compiling gmssl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.56/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 gmssl-sys 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" "3a3baaabb6f2c11ac1b6c6b20943800122feff3755aba604f6065f4c295ed22a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a3baaabb6f2c11ac1b6c6b20943800122feff3755aba604f6065f4c295ed22a", kill_on_drop: false }`
[INFO] [stdout] 3a3baaabb6f2c11ac1b6c6b20943800122feff3755aba604f6065f4c295ed22a