[INFO] fetching crate insight 1.4.3...
[INFO] testing insight-1.4.3 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate insight 1.4.3 into /workspace/builds/worker-0-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-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate insight 1.4.3 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded const-oid v0.9.0
[INFO] [stderr]   Downloaded getopts v0.2.21
[INFO] [stderr]   Downloaded chunked_transfer v1.4.0
[INFO] [stderr]   Downloaded utf8-width v0.1.6
[INFO] [stderr]   Downloaded email_address v0.2.4
[INFO] [stderr]   Downloaded email-encoding v0.1.3
[INFO] [stderr]   Downloaded pkcs1 v0.4.1
[INFO] [stderr]   Downloaded dns-parser v0.8.0
[INFO] [stderr]   Downloaded html-escape v0.2.11
[INFO] [stderr]   Downloaded rsa v0.7.1
[INFO] [stderr]   Downloaded cc v1.0.76
[INFO] [stderr]   Downloaded bumpalo v3.11.1
[INFO] [stderr]   Downloaded pulldown-cmark v0.9.2
[INFO] [stderr]   Downloaded json v0.12.4
[INFO] [stderr]   Downloaded der v0.6.0
[INFO] [stderr]   Downloaded base64ct v1.5.3
[INFO] [stderr]   Downloaded lettre v0.10.1
[INFO] [stderr]   Downloaded quoted_printable v0.4.5
[INFO] [stderr]   Downloaded pem-rfc7468 v0.6.0
[INFO] [stderr]   Downloaded webpki-roots v0.22.5
[INFO] [stderr]   Downloaded rustls v0.20.7
[INFO] [stderr]   Downloaded web-sys v0.3.60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a927e1193775fd071d6d020bf88489504b12be8970f0b85f081fb29dc0602457
[INFO] running `Command { std: "docker" "start" "-a" "a927e1193775fd071d6d020bf88489504b12be8970f0b85f081fb29dc0602457", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a927e1193775fd071d6d020bf88489504b12be8970f0b85f081fb29dc0602457", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a927e1193775fd071d6d020bf88489504b12be8970f0b85f081fb29dc0602457", kill_on_drop: false }`
[INFO] [stdout] a927e1193775fd071d6d020bf88489504b12be8970f0b85f081fb29dc0602457
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 357b6d61ba96dd241491f4c953665de8e71c6968f32f4bc00fdb5e16fcbcd578
[INFO] running `Command { std: "docker" "start" "-a" "357b6d61ba96dd241491f4c953665de8e71c6968f32f4bc00fdb5e16fcbcd578", 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 base64ct v1.5.3
[INFO] [stderr]    Compiling const-oid v0.9.0
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling cc v1.0.76
[INFO] [stderr]    Compiling libm v0.2.6
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling once_cell v1.16.0
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling const-oid v0.7.1
[INFO] [stderr]    Compiling num-bigint-dig v0.8.1
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling serde v1.0.147
[INFO] [stderr]    Compiling pem-rfc7468 v0.3.1
[INFO] [stderr]    Compiling pem-rfc7468 v0.6.0
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling cpufeatures v0.2.5
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling rustls v0.20.7
[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] help: there is a feature with a similar name: `proc_macro_span_file`
[INFO] [stdout]    |
[INFO] [stdout] 92 -     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout] 92 +     feature(proc_macro_span, proc_macro_span_file)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stderr]    Compiling unicode-bidi v0.3.8
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling pulldown-cmark v0.9.2
[INFO] [stderr]    Compiling unicode-width v0.1.10
[INFO] [stderr]    Compiling httpdate v1.0.2
[INFO] [stderr]    Compiling nom v7.1.1
[INFO] [stderr]    Compiling getrandom v0.2.8
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand_core v0.5.1
[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" "357b6d61ba96dd241491f4c953665de8e71c6968f32f4bc00fdb5e16fcbcd578", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "357b6d61ba96dd241491f4c953665de8e71c6968f32f4bc00fdb5e16fcbcd578", kill_on_drop: false }`
[INFO] [stdout] 357b6d61ba96dd241491f4c953665de8e71c6968f32f4bc00fdb5e16fcbcd578