[INFO] fetching crate netsblox-vm 0.2.0...
[INFO] checking netsblox-vm-0.2.0 against master#6162f6f12339aa81fe16b8a64644ead497e411b2 for pr-113240
[INFO] extracting crate netsblox-vm 0.2.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate netsblox-vm 0.2.0 on toolchain 6162f6f12339aa81fe16b8a64644ead497e411b2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate netsblox-vm 0.2.0
[INFO] finished tweaking crates.io crate netsblox-vm 0.2.0
[INFO] tweaked toml for crates.io crate netsblox-vm 0.2.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate netsblox-vm 0.2.0 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" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "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 sptr v0.3.2
[INFO] [stderr]   Downloaded once_cell v1.17.2
[INFO] [stderr]   Downloaded tokio-tungstenite v0.19.0
[INFO] [stderr]   Downloaded clap_derive v4.3.1
[INFO] [stderr]   Downloaded actix-cors v0.6.4
[INFO] [stderr]   Downloaded clap v4.3.1
[INFO] [stderr]   Downloaded enum-ordinalize v3.1.13
[INFO] [stderr]   Downloaded no-std-compat v0.4.1
[INFO] [stderr]   Downloaded superslice v1.0.0
[INFO] [stderr]   Downloaded gc-arena-derive v0.3.0
[INFO] [stderr]   Downloaded checked-float v0.1.4
[INFO] [stderr]   Downloaded monostate-impl v0.1.6
[INFO] [stderr]   Downloaded xmlparser v0.13.5
[INFO] [stderr]   Downloaded names v0.14.0
[INFO] [stderr]   Downloaded educe v0.4.22
[INFO] [stderr]   Downloaded tungstenite v0.19.0
[INFO] [stderr]   Downloaded clap_builder v4.3.1
[INFO] [stderr]   Downloaded crossterm v0.26.1
[INFO] [stderr]   Downloaded log v0.4.18
[INFO] [stderr]   Downloaded monostate v0.1.6
[INFO] [stderr]   Downloaded synstructure v0.13.0
[INFO] [stderr]   Downloaded num-derive v0.3.3
[INFO] [stderr]   Downloaded gc-arena v0.3.0
[INFO] [stderr]   Downloaded bin-pool v0.1.0
[INFO] [stderr]   Downloaded netsblox-ast v0.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 337801fa1cb6cab283780e681c1bd97cbf5113e90a8583c3019475deca69cfa5
[INFO] running `Command { std: "docker" "start" "-a" "337801fa1cb6cab283780e681c1bd97cbf5113e90a8583c3019475deca69cfa5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "337801fa1cb6cab283780e681c1bd97cbf5113e90a8583c3019475deca69cfa5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "337801fa1cb6cab283780e681c1bd97cbf5113e90a8583c3019475deca69cfa5", kill_on_drop: false }`
[INFO] [stdout] 337801fa1cb6cab283780e681c1bd97cbf5113e90a8583c3019475deca69cfa5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 654d356b451e3198f77722eb07fb4ffc8b8c49f828a394550764b6c83d211703
[INFO] running `Command { std: "docker" "start" "-a" "654d356b451e3198f77722eb07fb4ffc8b8c49f828a394550764b6c83d211703", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.59
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling log v0.4.18
[INFO] [stderr]     Checking once_cell v1.17.2
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling tokio v1.28.2
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling openssl-sys v0.9.88
[INFO] [stderr]    Compiling serde v1.0.163
[INFO] [stderr]    Compiling openssl v0.10.54
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking idna v0.3.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]     Checking local-waker v0.1.3
[INFO] [stderr]    Compiling bytes v1.4.0
[INFO] [stderr]     Checking cpufeatures v0.2.7
[INFO] [stderr]     Checking sha1 v0.10.5
[INFO] [stderr]    Compiling aho-corasick v1.0.1
[INFO] [stderr]    Compiling ahash v0.8.3
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.59/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 base64 v0.21.2
[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]    Compiling itoa v1.0.6
[INFO] [stderr]     Checking actix-service v2.0.2
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stdout] error: aborting due to 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" "654d356b451e3198f77722eb07fb4ffc8b8c49f828a394550764b6c83d211703", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "654d356b451e3198f77722eb07fb4ffc8b8c49f828a394550764b6c83d211703", kill_on_drop: false }`
[INFO] [stdout] 654d356b451e3198f77722eb07fb4ffc8b8c49f828a394550764b6c83d211703