[INFO] fetching crate cargo-nbuild 0.1.2...
[INFO] checking cargo-nbuild-0.1.2 against try#264a7c4a1c917c83d13895a31231f9d93c7b67e1 for pr-132289
[INFO] extracting crate cargo-nbuild 0.1.2 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate cargo-nbuild 0.1.2 on toolchain 264a7c4a1c917c83d13895a31231f9d93c7b67e1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+264a7c4a1c917c83d13895a31231f9d93c7b67e1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-nbuild 0.1.2
[INFO] finished tweaking crates.io crate cargo-nbuild 0.1.2
[INFO] tweaked toml for crates.io crate cargo-nbuild 0.1.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate cargo-nbuild 0.1.2 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" "+264a7c4a1c917c83d13895a31231f9d93c7b67e1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+264a7c4a1c917c83d13895a31231f9d93c7b67e1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6cf4e330c92e20a89fdaea4567f07d9c0ddfae369eb4346e93fc941da6931c17
[INFO] running `Command { std: "docker" "start" "-a" "6cf4e330c92e20a89fdaea4567f07d9c0ddfae369eb4346e93fc941da6931c17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6cf4e330c92e20a89fdaea4567f07d9c0ddfae369eb4346e93fc941da6931c17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cf4e330c92e20a89fdaea4567f07d9c0ddfae369eb4346e93fc941da6931c17", kill_on_drop: false }`
[INFO] [stdout] 6cf4e330c92e20a89fdaea4567f07d9c0ddfae369eb4346e93fc941da6931c17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+264a7c4a1c917c83d13895a31231f9d93c7b67e1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0e7bfa7741500f07a5ec650318843d041c18f157b2424f3b0ff2315b37cf402
[INFO] running `Command { std: "docker" "start" "-a" "c0e7bfa7741500f07a5ec650318843d041c18f157b2424f3b0ff2315b37cf402", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.58
[INFO] [stderr]    Compiling quote v1.0.27
[INFO] [stderr]    Compiling serde v1.0.163
[INFO] [stderr]    Compiling libc v0.2.146
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling semver v1.0.17
[INFO] [stderr]    Compiling target-lexicon v0.12.7
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]    Compiling camino v1.1.4
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling guppy-workspace-hack v0.1.0
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking winnow v0.4.6
[INFO] [stderr]     Checking percent-encoding v2.2.0
[INFO] [stderr]     Checking ryu v1.0.13
[INFO] [stderr]     Checking form_urlencoded v1.1.0
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]    Compiling target-spec v1.4.0
[INFO] [stderr]    Compiling tokio v1.28.1
[INFO] [stderr]     Checking regex-syntax v0.7.2
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking matchers v0.1.0
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking tracing-log v0.1.3
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.58/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 idna v0.3.0
[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" "c0e7bfa7741500f07a5ec650318843d041c18f157b2424f3b0ff2315b37cf402", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0e7bfa7741500f07a5ec650318843d041c18f157b2424f3b0ff2315b37cf402", kill_on_drop: false }`
[INFO] [stdout] c0e7bfa7741500f07a5ec650318843d041c18f157b2424f3b0ff2315b37cf402
