[INFO] fetching crate ToyTracer 0.0.1...
[INFO] checking ToyTracer-0.0.1 against master#3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777 for pr-132289
[INFO] extracting crate ToyTracer 0.0.1 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate ToyTracer 0.0.1 on toolchain 3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ToyTracer 0.0.1
[INFO] finished tweaking crates.io crate ToyTracer 0.0.1
[INFO] tweaked toml for crates.io crate ToyTracer 0.0.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate ToyTracer 0.0.1 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" "+3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]     Updating crates.io index
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1f369cb31cf29a0420bba44886bc529d1da93987f2f0cb6d9ef8e74c389dec95
[INFO] running `Command { std: "docker" "start" "-a" "1f369cb31cf29a0420bba44886bc529d1da93987f2f0cb6d9ef8e74c389dec95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f369cb31cf29a0420bba44886bc529d1da93987f2f0cb6d9ef8e74c389dec95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f369cb31cf29a0420bba44886bc529d1da93987f2f0cb6d9ef8e74c389dec95", kill_on_drop: false }`
[INFO] [stdout] 1f369cb31cf29a0420bba44886bc529d1da93987f2f0cb6d9ef8e74c389dec95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1af46097ceea2916efb4dac44109479168b557042daedc14f94756b0eda2b8e5
[INFO] running `Command { std: "docker" "start" "-a" "1af46097ceea2916efb4dac44109479168b557042daedc14f94756b0eda2b8e5", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]    Compiling proc-macro2 v1.0.58
[INFO] [stderr]    Compiling quote v1.0.27
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling xml-rs v0.8.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking bytemuck v1.13.1
[INFO] [stderr]     Checking simd-adler32 v0.3.5
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]     Checking libloading v0.7.4
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking dlib v0.5.0
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]     Checking fdeflate v0.3.0
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[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 ab_glyph_rasterizer v0.1.8
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]     Checking piston-float v1.0.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking flate2 v1.0.26
[INFO] [stderr]     Checking piston-viewport v1.0.0
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking downcast-rs v1.1.1
[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" "1af46097ceea2916efb4dac44109479168b557042daedc14f94756b0eda2b8e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1af46097ceea2916efb4dac44109479168b557042daedc14f94756b0eda2b8e5", kill_on_drop: false }`
[INFO] [stdout] 1af46097ceea2916efb4dac44109479168b557042daedc14f94756b0eda2b8e5
