[INFO] fetching crate wtensor 0.1.0...
[INFO] checking wtensor-0.1.0 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate wtensor 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate wtensor 0.1.0
[INFO] finished tweaking crates.io crate wtensor 0.1.0
[INFO] tweaked toml for crates.io crate wtensor 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate wtensor 0.1.0 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate wtensor 0.1.0 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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded raw-window-handle v0.5.1
[INFO] [stderr]   Downloaded regex v1.7.2
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 61d1ec2992204ae91986fe1aa1bfb5f69a0cde235759cda924eddd1781a0c8f1
[INFO] running `Command { std: "docker" "start" "-a" "61d1ec2992204ae91986fe1aa1bfb5f69a0cde235759cda924eddd1781a0c8f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61d1ec2992204ae91986fe1aa1bfb5f69a0cde235759cda924eddd1781a0c8f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61d1ec2992204ae91986fe1aa1bfb5f69a0cde235759cda924eddd1781a0c8f1", kill_on_drop: false }`
[INFO] [stdout] 61d1ec2992204ae91986fe1aa1bfb5f69a0cde235759cda924eddd1781a0c8f1
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b89d0a109f1968f6814dc3af848ed793ea7eccebd8a7131d1f68f52bf5c05e4
[INFO] running `Command { std: "docker" "start" "-a" "4b89d0a109f1968f6814dc3af848ed793ea7eccebd8a7131d1f68f52bf5c05e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling proc-macro2 v1.0.53
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling io-lifetimes v1.0.9
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling ash v0.37.2+1.3.238
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]    Compiling khronos-egl v4.1.0
[INFO] [stderr]    Compiling rustix v0.36.11
[INFO] [stderr]     Checking gpu-descriptor-types v0.1.1
[INFO] [stderr]     Checking gpu-alloc-types v0.2.0
[INFO] [stderr]     Checking linux-raw-sys v0.1.4
[INFO] [stderr]     Checking unicode-xid v0.2.4
[INFO] [stderr]     Checking hexf-parse v0.2.1
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking wgpu-types v0.15.2
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking raw-window-handle v0.5.1
[INFO] [stderr]     Checking glow v0.12.1
[INFO] [stderr]     Checking profiling v1.0.7
[INFO] [stderr]     Checking gpu-alloc v0.5.3
[INFO] [stderr]    Compiling futures-core v0.3.27
[INFO] [stderr]     Checking renderdoc-sys v0.7.1
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking codespan-reporting v0.11.1
[INFO] [stderr]     Checking os_str_bytes v6.5.0
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]    Compiling anyhow v1.0.70
[INFO] [stderr]     Checking bytemuck v1.13.1
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.53/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 pollster v0.2.5
[INFO] [stderr]     Checking clap_lex v0.3.3
[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" "4b89d0a109f1968f6814dc3af848ed793ea7eccebd8a7131d1f68f52bf5c05e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b89d0a109f1968f6814dc3af848ed793ea7eccebd8a7131d1f68f52bf5c05e4", kill_on_drop: false }`
[INFO] [stdout] 4b89d0a109f1968f6814dc3af848ed793ea7eccebd8a7131d1f68f52bf5c05e4