[INFO] fetching crate cargo-nbuild 0.1.2...
[INFO] checking cargo-nbuild-0.1.2 against master#b3bd7058c139e71bae0862ef8f8ac936208873e9 for pr-123752
[INFO] extracting crate cargo-nbuild 0.1.2 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate cargo-nbuild 0.1.2 on toolchain b3bd7058c139e71bae0862ef8f8ac936208873e9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "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-2-tc1/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" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.58
[INFO] [stderr]   Downloaded target-spec v1.4.0
[INFO] [stderr]   Downloaded nbuild-core v0.1.2
[INFO] [stderr]   Downloaded serde_spanned v0.6.2
[INFO] [stderr]   Downloaded cargo_metadata v0.15.4
[INFO] [stderr]   Downloaded cargo-platform v0.1.2
[INFO] [stderr]   Downloaded camino v1.1.4
[INFO] [stderr]   Downloaded toml v0.7.4
[INFO] [stderr]   Downloaded serde_derive v1.0.163
[INFO] [stderr]   Downloaded winnow v0.4.6
[INFO] [stderr]   Downloaded regex v1.8.3
[INFO] [stderr]   Downloaded syn v2.0.16
[INFO] [stderr]   Downloaded tokio v1.28.1
[INFO] [stderr]   Downloaded serde v1.0.163
[INFO] [stderr]   Downloaded cfg-expr v0.15.1
[INFO] [stderr]   Downloaded cargo-lock v9.0.0
[INFO] [stderr]   Downloaded semver v1.0.17
[INFO] [stderr]   Downloaded target-lexicon v0.12.7
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7e7898f84ead7ecd8de6ac5e39b5e7812e6983247c2f220c5c36ab225fe99666
[INFO] running `Command { std: "docker" "start" "-a" "7e7898f84ead7ecd8de6ac5e39b5e7812e6983247c2f220c5c36ab225fe99666", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e7898f84ead7ecd8de6ac5e39b5e7812e6983247c2f220c5c36ab225fe99666", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e7898f84ead7ecd8de6ac5e39b5e7812e6983247c2f220c5c36ab225fe99666", kill_on_drop: false }`
[INFO] [stdout] 7e7898f84ead7ecd8de6ac5e39b5e7812e6983247c2f220c5c36ab225fe99666
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d060f98c97ec60b1f72aaa896a5315f6b7c6db2996301aedcc097e99ea1cc640
[INFO] running `Command { std: "docker" "start" "-a" "d060f98c97ec60b1f72aaa896a5315f6b7c6db2996301aedcc097e99ea1cc640", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.58
[INFO] [stderr]    Compiling serde v1.0.163
[INFO] [stderr]    Compiling libc v0.2.146
[INFO] [stderr]    Compiling semver v1.0.17
[INFO] [stderr]    Compiling target-lexicon v0.12.7
[INFO] [stderr]    Compiling camino v1.1.4
[INFO] [stderr]    Compiling guppy-workspace-hack v0.1.0
[INFO] [stderr]     Checking winnow v0.4.6
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]     Checking smallvec v1.10.0
[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 sharded-slab v0.1.4
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]     Checking bytes v1.4.0
[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] [stdout] error: aborting due to 1 previous error
[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 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "d060f98c97ec60b1f72aaa896a5315f6b7c6db2996301aedcc097e99ea1cc640", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d060f98c97ec60b1f72aaa896a5315f6b7c6db2996301aedcc097e99ea1cc640", kill_on_drop: false }`
[INFO] [stdout] d060f98c97ec60b1f72aaa896a5315f6b7c6db2996301aedcc097e99ea1cc640
[INFO] checking cargo-nbuild-0.1.2 against try#57fe1b734d9ff1c8a92bda60b85506b9648158d3 for pr-123752
[INFO] extracting crate cargo-nbuild 0.1.2 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate cargo-nbuild 0.1.2 on toolchain 57fe1b734d9ff1c8a92bda60b85506b9648158d3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "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-2-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" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7228e712c18be58aa61d5a6baa17ed5db4ac174144699789245f5605696f0aac
[INFO] running `Command { std: "docker" "start" "-a" "7228e712c18be58aa61d5a6baa17ed5db4ac174144699789245f5605696f0aac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7228e712c18be58aa61d5a6baa17ed5db4ac174144699789245f5605696f0aac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7228e712c18be58aa61d5a6baa17ed5db4ac174144699789245f5605696f0aac", kill_on_drop: false }`
[INFO] [stdout] 7228e712c18be58aa61d5a6baa17ed5db4ac174144699789245f5605696f0aac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf8ada8e641fdb97ea900c0a588f2059c6eb114269c7c9fff86d647b9b18d628
[INFO] running `Command { std: "docker" "start" "-a" "bf8ada8e641fdb97ea900c0a588f2059c6eb114269c7c9fff86d647b9b18d628", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.58
[INFO] [stderr]    Compiling serde v1.0.163
[INFO] [stderr]    Compiling libc v0.2.146
[INFO] [stderr]    Compiling target-lexicon v0.12.7
[INFO] [stderr]    Compiling semver v1.0.17
[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling camino v1.1.4
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]     Checking winnow v0.4.6
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling guppy-workspace-hack v0.1.0
[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 sharded-slab v0.1.4
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]     Checking bytes v1.4.0
[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 cfg-expr v0.15.1
[INFO] [stdout] error: aborting due to 1 previous error
[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 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "bf8ada8e641fdb97ea900c0a588f2059c6eb114269c7c9fff86d647b9b18d628", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf8ada8e641fdb97ea900c0a588f2059c6eb114269c7c9fff86d647b9b18d628", kill_on_drop: false }`
[INFO] [stdout] bf8ada8e641fdb97ea900c0a588f2059c6eb114269c7c9fff86d647b9b18d628
