[INFO] fetching crate canvas-sync 0.4.7...
[INFO] checking canvas-sync-0.4.7 against master#80399064afa4a2cd153f30d02c25f7ea0383ed65 for opaque-soundness-fix
[INFO] extracting crate canvas-sync 0.4.7 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate canvas-sync 0.4.7 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 canvas-sync 0.4.7
[INFO] finished tweaking crates.io crate canvas-sync 0.4.7
[INFO] tweaked toml for crates.io crate canvas-sync 0.4.7 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate canvas-sync 0.4.7 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded directories v4.0.1
[INFO] [stderr]   Downloaded security-framework v2.8.0
[INFO] [stderr]   Downloaded confy v0.5.1
[INFO] [stderr]   Downloaded unicode-bidi v0.3.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 4d4624f1d82dab9f0b0ea4ad9abc0f34250a5e83d5b62377d1b492543596db4f
[INFO] running `Command { std: "docker" "start" "-a" "4d4624f1d82dab9f0b0ea4ad9abc0f34250a5e83d5b62377d1b492543596db4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d4624f1d82dab9f0b0ea4ad9abc0f34250a5e83d5b62377d1b492543596db4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d4624f1d82dab9f0b0ea4ad9abc0f34250a5e83d5b62377d1b492543596db4f", kill_on_drop: false }`
[INFO] [stdout] 4d4624f1d82dab9f0b0ea4ad9abc0f34250a5e83d5b62377d1b492543596db4f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 2fc36891a2e6c973f6b0e856cde16921ae0f5291e9a7c2e3ab7e334d47f198e3
[INFO] running `Command { std: "docker" "start" "-a" "2fc36891a2e6c973f6b0e856cde16921ae0f5291e9a7c2e3ab7e334d47f198e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.50
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]     Checking once_cell v1.17.0
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling parking_lot_core v0.9.6
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling cc v1.0.78
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]     Checking bytes v1.3.0
[INFO] [stderr]     Checking futures-sink v0.3.25
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]    Compiling futures-channel v0.3.25
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.50/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 indexmap v1.9.2
[INFO] [stderr]    Compiling tokio v1.24.2
[INFO] [stderr]    Compiling serde_derive v1.0.152
[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" "2fc36891a2e6c973f6b0e856cde16921ae0f5291e9a7c2e3ab7e334d47f198e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fc36891a2e6c973f6b0e856cde16921ae0f5291e9a7c2e3ab7e334d47f198e3", kill_on_drop: false }`
[INFO] [stdout] 2fc36891a2e6c973f6b0e856cde16921ae0f5291e9a7c2e3ab7e334d47f198e3
[INFO] checking canvas-sync-0.4.7 against master#09bc67b9158392361780e779d32997f14cc75c39 for opaque-soundness-fix
[INFO] extracting crate canvas-sync 0.4.7 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate canvas-sync 0.4.7 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 canvas-sync 0.4.7
[INFO] finished tweaking crates.io crate canvas-sync 0.4.7
[INFO] tweaked toml for crates.io crate canvas-sync 0.4.7 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate canvas-sync 0.4.7 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 1027f8c7f5fba8ecb6388655db55ccc8c9c8c81322a051fb2c7da6709dd0fb2f
[INFO] running `Command { std: "docker" "start" "-a" "1027f8c7f5fba8ecb6388655db55ccc8c9c8c81322a051fb2c7da6709dd0fb2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1027f8c7f5fba8ecb6388655db55ccc8c9c8c81322a051fb2c7da6709dd0fb2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1027f8c7f5fba8ecb6388655db55ccc8c9c8c81322a051fb2c7da6709dd0fb2f", kill_on_drop: false }`
[INFO] [stdout] 1027f8c7f5fba8ecb6388655db55ccc8c9c8c81322a051fb2c7da6709dd0fb2f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 82297dde5243de67cead33022eb89c92ac0d55d55a78f4da18045e8b1a468a55
[INFO] running `Command { std: "docker" "start" "-a" "82297dde5243de67cead33022eb89c92ac0d55d55a78f4da18045e8b1a468a55", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.50
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]     Checking once_cell v1.17.0
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling cc v1.0.78
[INFO] [stderr]    Compiling parking_lot_core v0.9.6
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]     Checking futures-sink v0.3.25
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]     Checking bytes v1.3.0
[INFO] [stderr]    Compiling futures-channel v0.3.25
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.50/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 indexmap v1.9.2
[INFO] [stderr]    Compiling tokio v1.24.2
[INFO] [stderr]    Compiling serde_derive v1.0.152
[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" "82297dde5243de67cead33022eb89c92ac0d55d55a78f4da18045e8b1a468a55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82297dde5243de67cead33022eb89c92ac0d55d55a78f4da18045e8b1a468a55", kill_on_drop: false }`
[INFO] [stdout] 82297dde5243de67cead33022eb89c92ac0d55d55a78f4da18045e8b1a468a55
