[INFO] fetching crate insight 1.4.3...
[INFO] testing insight-1.4.3 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145330-1
[INFO] extracting crate insight 1.4.3 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate insight 1.4.3
[INFO] finished tweaking crates.io crate insight 1.4.3
[INFO] tweaked toml for crates.io crate insight 1.4.3 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate insight 1.4.3 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate insight 1.4.3 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded digest v0.10.5
[INFO] [stderr]   Downloaded chunked_transfer v1.4.0
[INFO] [stderr]   Downloaded rsa v0.7.1
[INFO] [stderr]   Downloaded getopts v0.2.21
[INFO] [stderr]   Downloaded zeroize_derive v1.3.2
[INFO] [stderr]   Downloaded utf8-width v0.1.6
[INFO] [stderr]   Downloaded zeroize v1.5.7
[INFO] [stderr]   Downloaded ascii v1.1.0
[INFO] [stderr]   Downloaded tiny_http v0.12.0
[INFO] [stderr]   Downloaded ed25519 v1.5.2
[INFO] [stderr]   Downloaded dns-parser v0.8.0
[INFO] [stderr]   Downloaded html-escape v0.2.11
[INFO] [stderr]   Downloaded cc v1.0.76
[INFO] [stderr]   Downloaded nom v7.1.1
[INFO] [stderr]   Downloaded pulldown-cmark v0.9.2
[INFO] [stderr]   Downloaded lettre v0.10.1
[INFO] [stderr]   Downloaded num-bigint-dig v0.8.1
[INFO] [stderr]   Downloaded libm v0.2.6
[INFO] [stderr]   Downloaded regex v1.7.0
[INFO] [stderr]   Downloaded webpki-roots v0.22.5
[INFO] [stderr]   Downloaded syn v1.0.103
[INFO] [stderr]   Downloaded serde v1.0.147
[INFO] [stderr]   Downloaded once_cell v1.16.0
[INFO] [stderr]   Downloaded num-iter v0.1.43
[INFO] [stderr]   Downloaded libc v0.2.135
[INFO] [stderr]   Downloaded base64ct v1.5.3
[INFO] [stderr]   Downloaded der v0.6.0
[INFO] [stderr]   Downloaded const-oid v0.9.0
[INFO] [stderr]   Downloaded email-encoding v0.1.3
[INFO] [stderr]   Downloaded email_address v0.2.4
[INFO] [stderr]   Downloaded rustls-pemfile v1.0.1
[INFO] [stderr]   Downloaded rustls v0.20.7
[INFO] [stderr]   Downloaded quoted_printable v0.4.5
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c03b118ef4ea0dd3190b7ea3e82402a297f894093970cc78271cdc5e85a35379
[INFO] running `Command { std: "docker" "start" "-a" "c03b118ef4ea0dd3190b7ea3e82402a297f894093970cc78271cdc5e85a35379", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c03b118ef4ea0dd3190b7ea3e82402a297f894093970cc78271cdc5e85a35379", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c03b118ef4ea0dd3190b7ea3e82402a297f894093970cc78271cdc5e85a35379", kill_on_drop: false }`
[INFO] [stdout] c03b118ef4ea0dd3190b7ea3e82402a297f894093970cc78271cdc5e85a35379
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d4db7e36e1a4f11a2f9c4e12d0885f68ef1b7e39c719fbb1243927f3e916207
[INFO] running `Command { std: "docker" "start" "-a" "9d4db7e36e1a4f11a2f9c4e12d0885f68ef1b7e39c719fbb1243927f3e916207", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.135
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling generic-array v0.14.6
[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 v1.0.103
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling base64ct v1.5.3
[INFO] [stderr]    Compiling const-oid v0.9.0
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling cc v1.0.76
[INFO] [stderr]    Compiling libm v0.2.6
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.47/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] [stderr]    Compiling byteorder v1.4.3
[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" "9d4db7e36e1a4f11a2f9c4e12d0885f68ef1b7e39c719fbb1243927f3e916207", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d4db7e36e1a4f11a2f9c4e12d0885f68ef1b7e39c719fbb1243927f3e916207", kill_on_drop: false }`
[INFO] [stdout] 9d4db7e36e1a4f11a2f9c4e12d0885f68ef1b7e39c719fbb1243927f3e916207