[INFO] cloning repository https://github.com/dnnr/pctlweb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dnnr/pctlweb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdnnr%2Fpctlweb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdnnr%2Fpctlweb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1d5417ad2f067e35f82fe663204fd5f12beb27db
[INFO] checking dnnr/pctlweb/1d5417ad2f067e35f82fe663204fd5f12beb27db against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdnnr%2Fpctlweb" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dnnr/pctlweb on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dnnr/pctlweb
[INFO] finished tweaking git repo https://github.com/dnnr/pctlweb
[INFO] tweaked toml for git repo https://github.com/dnnr/pctlweb written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/dnnr/pctlweb 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" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rocket v0.4.11
[INFO] [stderr]   Downloaded phf_generator v0.11.1
[INFO] [stderr]   Downloaded phf_shared v0.11.1
[INFO] [stderr]   Downloaded rocket_http v0.4.11
[INFO] [stderr]   Downloaded rocket_codegen v0.4.11
[INFO] [stderr]   Downloaded toml v0.4.10
[INFO] [stderr]   Downloaded aes v0.6.0
[INFO] [stderr]   Downloaded aesni v0.10.0
[INFO] [stderr]   Downloaded aes-soft v0.6.4
[INFO] [stderr]   Downloaded rocket_contrib v0.4.11
[INFO] [stderr]   Downloaded aes-gcm v0.8.0
[INFO] [stderr]   Downloaded ctr v0.6.0
[INFO] [stderr]   Downloaded filetime v0.2.18
[INFO] [stderr]   Downloaded devise_core v0.2.1
[INFO] [stderr]   Downloaded cipher v0.2.5
[INFO] [stderr]   Downloaded polyval v0.4.5
[INFO] [stderr]   Downloaded ghash v0.3.1
[INFO] [stderr]   Downloaded hkdf v0.10.0
[INFO] [stderr]   Downloaded crypto-mac v0.10.1
[INFO] [stderr]   Downloaded hmac v0.10.1
[INFO] [stderr]   Downloaded cookie v0.11.5
[INFO] [stderr]   Downloaded pear v0.1.5
[INFO] [stderr]   Downloaded state v0.4.2
[INFO] [stderr]   Downloaded phf_macros v0.11.1
[INFO] [stderr]   Downloaded phf v0.11.1
[INFO] [stderr]   Downloaded devise_codegen v0.2.1
[INFO] [stderr]   Downloaded devise v0.2.1
[INFO] [stderr]   Downloaded aead v0.3.2
[INFO] [stderr]   Downloaded cpuid-bool v0.2.0
[INFO] [stderr]   Downloaded pear_codegen v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1f7a2eec3b8c373dfe2813b9aae58738d647781b8f1150662362e2dd41c5d29d
[INFO] running `Command { std: "docker" "start" "-a" "1f7a2eec3b8c373dfe2813b9aae58738d647781b8f1150662362e2dd41c5d29d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f7a2eec3b8c373dfe2813b9aae58738d647781b8f1150662362e2dd41c5d29d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f7a2eec3b8c373dfe2813b9aae58738d647781b8f1150662362e2dd41c5d29d", kill_on_drop: false }`
[INFO] [stdout] 1f7a2eec3b8c373dfe2813b9aae58738d647781b8f1150662362e2dd41c5d29d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9eccbbbb85b1559286c7950b988902d7748134d36e45e4b5cd6b23cfc990c2b7
[INFO] running `Command { std: "docker" "start" "-a" "9eccbbbb85b1559286c7950b988902d7748134d36e45e4b5cd6b23cfc990c2b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling yansi v0.5.1
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling cpuid-bool v0.2.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling unicode-bidi v0.3.8
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling serde_derive v1.0.147
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]    Compiling safemem v0.3.3
[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] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling cpufeatures v0.2.5
[INFO] [stderr]    Compiling serde v1.0.147
[INFO] [stderr]    Compiling pear_codegen v0.1.5
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]    Compiling mime v0.2.6
[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]    Compiling httparse v1.8.0
[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" "9eccbbbb85b1559286c7950b988902d7748134d36e45e4b5cd6b23cfc990c2b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9eccbbbb85b1559286c7950b988902d7748134d36e45e4b5cd6b23cfc990c2b7", kill_on_drop: false }`
[INFO] [stdout] 9eccbbbb85b1559286c7950b988902d7748134d36e45e4b5cd6b23cfc990c2b7