[INFO] fetching crate a800xl-utils 0.2.1...
[INFO] checking a800xl-utils-0.2.1 against master#b286722878e18db29a7fbe672be7c4d3b02e8e4d for pr-127655
[INFO] extracting crate a800xl-utils 0.2.1 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate a800xl-utils 0.2.1 on toolchain b286722878e18db29a7fbe672be7c4d3b02e8e4d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b286722878e18db29a7fbe672be7c4d3b02e8e4d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-5-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate a800xl-utils 0.2.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate a800xl-utils 0.2.1
[INFO] tweaked toml for crates.io crate a800xl-utils 0.2.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate a800xl-utils 0.2.1 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" "+b286722878e18db29a7fbe672be7c4d3b02e8e4d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded vcell v0.1.3
[INFO] [stderr]   Downloaded volatile-register v0.2.1
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.83
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.83
[INFO] [stderr]   Downloaded ufmt-stdio v0.3.0
[INFO] [stderr]   Downloaded ufmt-write v0.1.0
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.83
[INFO] [stderr]   Downloaded ufmt-macros v0.3.0
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.83
[INFO] [stderr]   Downloaded once_cell v1.15.0
[INFO] [stderr]   Downloaded cc v1.0.73
[INFO] [stderr]   Downloaded log v0.4.17
[INFO] [stderr]   Downloaded bumpalo v3.11.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.47
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.83
[INFO] [stderr]   Downloaded unicode-ident v1.0.5
[INFO] [stderr]   Downloaded ufmt v0.2.0
[INFO] [stderr]   Downloaded quote v1.0.21
[INFO] [stderr]   Downloaded syn v1.0.102
[INFO] [stderr]   Downloaded libc v0.2.135
[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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+b286722878e18db29a7fbe672be7c4d3b02e8e4d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d2ca2146d9d8564f7ec144563f825348728553ce3b70befcf8f22492f9b115e1
[INFO] running `Command { std: "docker" "start" "-a" "d2ca2146d9d8564f7ec144563f825348728553ce3b70befcf8f22492f9b115e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2ca2146d9d8564f7ec144563f825348728553ce3b70befcf8f22492f9b115e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2ca2146d9d8564f7ec144563f825348728553ce3b70befcf8f22492f9b115e1", kill_on_drop: false }`
[INFO] [stdout] d2ca2146d9d8564f7ec144563f825348728553ce3b70befcf8f22492f9b115e1
[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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+b286722878e18db29a7fbe672be7c4d3b02e8e4d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de2dfce97abcdd0952eb30a67bf36af31387c6d0d6cf9b3a2be08b601d717d47
[INFO] running `Command { std: "docker" "start" "-a" "de2dfce97abcdd0952eb30a67bf36af31387c6d0d6cf9b3a2be08b601d717d47", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.102
[INFO] [stderr]    Compiling libc v0.2.135
[INFO] [stderr]     Checking ufmt-write v0.1.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]     Checking volatile-register v0.2.1
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.47/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" "de2dfce97abcdd0952eb30a67bf36af31387c6d0d6cf9b3a2be08b601d717d47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de2dfce97abcdd0952eb30a67bf36af31387c6d0d6cf9b3a2be08b601d717d47", kill_on_drop: false }`
[INFO] [stdout] de2dfce97abcdd0952eb30a67bf36af31387c6d0d6cf9b3a2be08b601d717d47
[INFO] checking a800xl-utils-0.2.1 against try#6a5749073f2ebf59d7740d30e50a932a85756ee7 for pr-127655
[INFO] extracting crate a800xl-utils 0.2.1 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate a800xl-utils 0.2.1 on toolchain 6a5749073f2ebf59d7740d30e50a932a85756ee7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6a5749073f2ebf59d7740d30e50a932a85756ee7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-5-tc2/source/.cargo/config.toml
[INFO] started tweaking crates.io crate a800xl-utils 0.2.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate a800xl-utils 0.2.1
[INFO] tweaked toml for crates.io crate a800xl-utils 0.2.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate a800xl-utils 0.2.1 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" "+6a5749073f2ebf59d7740d30e50a932a85756ee7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+6a5749073f2ebf59d7740d30e50a932a85756ee7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 95368bbea4ae91b2040f3fe8d6fd89c73d23f5c87fc3187efb04dc6ea2bd96c0
[INFO] running `Command { std: "docker" "start" "-a" "95368bbea4ae91b2040f3fe8d6fd89c73d23f5c87fc3187efb04dc6ea2bd96c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95368bbea4ae91b2040f3fe8d6fd89c73d23f5c87fc3187efb04dc6ea2bd96c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95368bbea4ae91b2040f3fe8d6fd89c73d23f5c87fc3187efb04dc6ea2bd96c0", kill_on_drop: false }`
[INFO] [stdout] 95368bbea4ae91b2040f3fe8d6fd89c73d23f5c87fc3187efb04dc6ea2bd96c0
[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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+6a5749073f2ebf59d7740d30e50a932a85756ee7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] efe8cedd4c840b931fd373680afd7a6b12007a6263f10e2d877e3558a90efaa9
[INFO] running `Command { std: "docker" "start" "-a" "efe8cedd4c840b931fd373680afd7a6b12007a6263f10e2d877e3558a90efaa9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.102
[INFO] [stderr]    Compiling libc v0.2.135
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking ufmt-write v0.1.0
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]     Checking volatile-register v0.2.1
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.47/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" "efe8cedd4c840b931fd373680afd7a6b12007a6263f10e2d877e3558a90efaa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efe8cedd4c840b931fd373680afd7a6b12007a6263f10e2d877e3558a90efaa9", kill_on_drop: false }`
[INFO] [stdout] efe8cedd4c840b931fd373680afd7a6b12007a6263f10e2d877e3558a90efaa9
