[INFO] fetching crate ToyTracer 0.0.1...
[INFO] checking ToyTracer-0.0.1 against master#80399064afa4a2cd153f30d02c25f7ea0383ed65 for opaque-soundness-fix
[INFO] extracting crate ToyTracer 0.0.1 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate ToyTracer 0.0.1 on toolchain 80399064afa4a2cd153f30d02c25f7ea0383ed65
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "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-5-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" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "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
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pistoncore-window v0.47.1
[INFO] [stderr]   Downloaded pistoncore-glutin_window v0.71.0
[INFO] [stderr]   Downloaded piston-graphics_api_version v1.0.1
[INFO] [stderr]   Downloaded shader_version v0.7.0
[INFO] [stderr]   Downloaded pistoncore-input v1.0.1
[INFO] [stderr]   Downloaded num_cpus v1.11.1
[INFO] [stderr]   Downloaded serde_derive v1.0.103
[INFO] [stderr]   Downloaded proc-macro2 v1.0.58
[INFO] [stderr]   Downloaded pin-project v1.1.0
[INFO] [stderr]   Downloaded glutin v0.30.8
[INFO] [stderr]   Downloaded piston2d-opengl_graphics v0.82.0
[INFO] [stderr]   Downloaded pistoncore-event_loop v0.53.1
[INFO] [stderr]   Downloaded draw_state v0.8.0
[INFO] [stderr]   Downloaded gfx_core v0.9.2
[INFO] [stderr]   Downloaded gfx_gl v0.6.0
[INFO] [stderr]   Downloaded matrixmultiply v0.3.7
[INFO] [stderr]   Downloaded gl_generator v0.11.0
[INFO] [stderr]   Downloaded gfx_device_gl v0.16.2
[INFO] [stderr]   Downloaded exr v1.6.3
[INFO] [stderr]   Downloaded nalgebra v0.30.1
[INFO] [stderr]   Downloaded piston-shaders_graphics2d v0.4.0
[INFO] [stderr]   Downloaded owned_ttf_parser v0.15.2
[INFO] [stderr]   Downloaded gfx v0.18.2
[INFO] [stderr]   Downloaded piston v0.53.2
[INFO] [stderr]   Downloaded pin-project-internal v1.1.0
[INFO] [stderr]   Downloaded piston-gfx_texture v0.44.0
[INFO] [stderr]   Downloaded imageproc v0.23.0
[INFO] [stderr]   Downloaded piston-texture v0.9.0
[INFO] [stderr]   Downloaded rusttype v0.9.3
[INFO] [stderr]   Downloaded vecmath v1.0.0
[INFO] [stderr]   Downloaded glutin_egl_sys v0.5.0
[INFO] [stderr]   Downloaded serde v1.0.103
[INFO] [stderr]   Downloaded piston2d-gfx_graphics v0.79.0
[INFO] [stderr]   Downloaded interpolation v0.2.0
[INFO] [stderr]   Downloaded read_color v1.0.0
[INFO] [stderr]   Downloaded piston2d-graphics v0.43.0
[INFO] [stderr]   Downloaded piston_window v0.128.0
[INFO] [stderr]   Downloaded gl v0.13.0
[INFO] [stderr]   Downloaded piston-float v1.0.0
[INFO] [stderr]   Downloaded piston-viewport v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 80d49d744ec7b19dd61b67498bf393f3daf4999b52942823893a6a0990c2967a
[INFO] running `Command { std: "docker" "start" "-a" "80d49d744ec7b19dd61b67498bf393f3daf4999b52942823893a6a0990c2967a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "80d49d744ec7b19dd61b67498bf393f3daf4999b52942823893a6a0990c2967a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80d49d744ec7b19dd61b67498bf393f3daf4999b52942823893a6a0990c2967a", kill_on_drop: false }`
[INFO] [stdout] 80d49d744ec7b19dd61b67498bf393f3daf4999b52942823893a6a0990c2967a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 13eb4dd2a0842415ae020ad0692c0de90c8e0e50cde4f731d63b73a6740211cd
[INFO] running `Command { std: "docker" "start" "-a" "13eb4dd2a0842415ae020ad0692c0de90c8e0e50cde4f731d63b73a6740211cd", 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 autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.58
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling quote v1.0.27
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]     Checking cfg-if v1.0.0
[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]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]     Checking bytemuck v1.13.1
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking simd-adler32 v0.3.5
[INFO] [stderr]     Checking adler v1.0.2
[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]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[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" "13eb4dd2a0842415ae020ad0692c0de90c8e0e50cde4f731d63b73a6740211cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13eb4dd2a0842415ae020ad0692c0de90c8e0e50cde4f731d63b73a6740211cd", kill_on_drop: false }`
[INFO] [stdout] 13eb4dd2a0842415ae020ad0692c0de90c8e0e50cde4f731d63b73a6740211cd
[INFO] checking ToyTracer-0.0.1 against master#09bc67b9158392361780e779d32997f14cc75c39 for opaque-soundness-fix
[INFO] extracting crate ToyTracer 0.0.1 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate ToyTracer 0.0.1 on toolchain 09bc67b9158392361780e779d32997f14cc75c39
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "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-5-tc2/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" "+09bc67b9158392361780e779d32997f14cc75c39" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+09bc67b9158392361780e779d32997f14cc75c39" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6878bacfaa9059e936118a5bf633bfedf2b2a81694ab1ccce2d26d1484ca2403
[INFO] running `Command { std: "docker" "start" "-a" "6878bacfaa9059e936118a5bf633bfedf2b2a81694ab1ccce2d26d1484ca2403", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6878bacfaa9059e936118a5bf633bfedf2b2a81694ab1ccce2d26d1484ca2403", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6878bacfaa9059e936118a5bf633bfedf2b2a81694ab1ccce2d26d1484ca2403", kill_on_drop: false }`
[INFO] [stdout] 6878bacfaa9059e936118a5bf633bfedf2b2a81694ab1ccce2d26d1484ca2403
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+09bc67b9158392361780e779d32997f14cc75c39" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f9168627244580ad32e7b3ca89e363cd0775a1208fedd06ee55c9c544d55e21
[INFO] running `Command { std: "docker" "start" "-a" "8f9168627244580ad32e7b3ca89e363cd0775a1208fedd06ee55c9c544d55e21", 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 autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.58
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling quote v1.0.27
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling xml-rs v0.8.0
[INFO] [stderr]     Checking bitflags v1.3.2
[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]     Checking bytemuck v1.13.1
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking simd-adler32 v0.3.5
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking smallvec v1.10.0
[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]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling memoffset v0.8.0
[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" "8f9168627244580ad32e7b3ca89e363cd0775a1208fedd06ee55c9c544d55e21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f9168627244580ad32e7b3ca89e363cd0775a1208fedd06ee55c9c544d55e21", kill_on_drop: false }`
[INFO] [stdout] 8f9168627244580ad32e7b3ca89e363cd0775a1208fedd06ee55c9c544d55e21
