[INFO] cloning repository https://github.com/jo1gi/grawlix-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jo1gi/grawlix-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjo1gi%2Fgrawlix-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjo1gi%2Fgrawlix-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dea391a0d267113e7a93bbfe00fca2823f7af0c9
[INFO] checking jo1gi/grawlix-rust against master#6162f6f12339aa81fe16b8a64644ead497e411b2 for pr-113240
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjo1gi%2Fgrawlix-rust" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jo1gi/grawlix-rust on toolchain 6162f6f12339aa81fe16b8a64644ead497e411b2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jo1gi/grawlix-rust
[INFO] finished tweaking git repo https://github.com/jo1gi/grawlix-rust
[INFO] tweaked toml for git repo https://github.com/jo1gi/grawlix-rust written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jo1gi/grawlix-rust 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" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded publicsuffix v2.2.2
[INFO] [stderr]   Downloaded ctrlc v3.2.3
[INFO] [stderr]   Downloaded rt-format v0.3.1
[INFO] [stderr]   Downloaded psl-types v2.0.11
[INFO] [stderr]   Downloaded zip v0.6.2
[INFO] [stderr]   Downloaded async-recursion v1.0.0
[INFO] [stderr]   Downloaded nix v0.25.0
[INFO] [stderr]   Downloaded fern v0.6.1
[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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 04edd89ecdc530fa7ea365e7732c3833e45cc3736c559c00aebcf2f681293164
[INFO] running `Command { std: "docker" "start" "-a" "04edd89ecdc530fa7ea365e7732c3833e45cc3736c559c00aebcf2f681293164", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "04edd89ecdc530fa7ea365e7732c3833e45cc3736c559c00aebcf2f681293164", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04edd89ecdc530fa7ea365e7732c3833e45cc3736c559c00aebcf2f681293164", kill_on_drop: false }`
[INFO] [stdout] 04edd89ecdc530fa7ea365e7732c3833e45cc3736c559c00aebcf2f681293164
[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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2511835e2443d83e19e7820c26546fd38ce1819dde0dd68e08c5858522fec829
[INFO] running `Command { std: "docker" "start" "-a" "2511835e2443d83e19e7820c26546fd38ce1819dde0dd68e08c5858522fec829", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.44
[INFO] [stderr]    Compiling libc v0.2.133
[INFO] [stderr]    Compiling syn v1.0.100
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]     Checking once_cell v1.15.0
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling serde_derive v1.0.145
[INFO] [stderr]    Compiling serde v1.0.145
[INFO] [stderr]     Checking bytes v1.2.1
[INFO] [stderr]    Compiling futures-channel v0.3.24
[INFO] [stderr]    Compiling tokio v1.21.1
[INFO] [stderr]    Compiling futures-util v0.3.24
[INFO] [stderr]     Checking futures-io v0.3.24
[INFO] [stderr]     Checking phf_shared v0.10.0
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking futf v0.1.5
[INFO] [stderr]     Checking phf_shared v0.8.0
[INFO] [stderr]     Checking tracing-core v0.1.29
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]    Compiling serde_json v1.0.85
[INFO] [stderr]    Compiling zstd-safe v4.1.6+zstd.1.5.2
[INFO] [stderr]     Checking dtoa-short v0.3.3
[INFO] [stderr]     Checking tendril v0.4.3
[INFO] [stderr]     Checking phf v0.10.1
[INFO] [stderr]     Checking base64ct v1.0.1
[INFO] [stderr]     Checking psl-types v2.0.11
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking http v0.2.8
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling unicode-segmentation v1.10.0
[INFO] [stderr]     Checking miniz_oxide v0.5.4
[INFO] [stderr]     Checking servo_arc v0.1.1
[INFO] [stderr]     Checking publicsuffix v2.2.2
[INFO] [stderr]     Checking password-hash v0.3.2
[INFO] [stderr]     Checking url v2.3.1
[INFO] [stderr]     Checking fxhash 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-macro2-1.0.44/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 tracing v0.1.36
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling thiserror v1.0.36
[INFO] [stderr]     Checking thin-slice v0.1.1
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking ego-tree v0.6.2
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rt-format v0.3.1
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr]     Checking fern v0.6.1
[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" "2511835e2443d83e19e7820c26546fd38ce1819dde0dd68e08c5858522fec829", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2511835e2443d83e19e7820c26546fd38ce1819dde0dd68e08c5858522fec829", kill_on_drop: false }`
[INFO] [stdout] 2511835e2443d83e19e7820c26546fd38ce1819dde0dd68e08c5858522fec829