[INFO] cloning repository https://github.com/ahupp/cargo-fork
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ahupp/cargo-fork" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fahupp%2Fcargo-fork", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fahupp%2Fcargo-fork'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 971adde4e1d830e6339fb7271788ee98f5eb7f58
[INFO] checking ahupp/cargo-fork against master#6162f6f12339aa81fe16b8a64644ead497e411b2 for pr-113240
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fahupp%2Fcargo-fork" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ahupp/cargo-fork 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/ahupp/cargo-fork
[INFO] finished tweaking git repo https://github.com/ahupp/cargo-fork
[INFO] tweaked toml for git repo https://github.com/ahupp/cargo-fork written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ahupp/cargo-fork 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]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded concolor-control v0.0.7
[INFO] [stderr]   Downloaded crates_io_api v0.8.0
[INFO] [stderr]   Downloaded subprocess v0.2.9
[INFO] [stderr]   Downloaded socks v0.3.4
[INFO] [stderr]   Downloaded crates-index v0.19.2
[INFO] [stderr]   Downloaded terminal_size v0.2.3
[INFO] [stderr]   Downloaded thiserror-impl v1.0.34
[INFO] [stderr]   Downloaded home v0.5.4
[INFO] [stderr]   Downloaded tokio-stream v0.1.9
[INFO] [stderr]   Downloaded thiserror v1.0.34
[INFO] [stderr]   Downloaded toml_edit v0.18.1
[INFO] [stderr]   Downloaded lzma-sys v0.1.19
[INFO] [stderr]   Downloaded rustls v0.20.6
[INFO] [stderr]   Downloaded concolor-query v0.0.4
[INFO] [stderr]   Downloaded cargo-edit v0.11.8
[INFO] [stderr]   Downloaded smol_str v0.1.23
[INFO] [stderr]   Downloaded tokio-tar v0.3.0
[INFO] [stderr]   Downloaded webpki-roots v0.22.4
[INFO] [stderr]   Downloaded cargo_metadata v0.15.2
[INFO] [stderr]   Downloaded camino v1.1.1
[INFO] [stderr]   Downloaded toml v0.6.0
[INFO] [stderr]   Downloaded xz2 v0.1.7
[INFO] [stderr]   Downloaded dunce v1.0.2
[INFO] [stderr]   Downloaded toml_datetime v0.5.1
[INFO] [stderr]   Downloaded env_proxy v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 1eba61673612ae209d34719a15b3198bfa5a6258f87275704449ac59cb57e698
[INFO] running `Command { std: "docker" "start" "-a" "1eba61673612ae209d34719a15b3198bfa5a6258f87275704449ac59cb57e698", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1eba61673612ae209d34719a15b3198bfa5a6258f87275704449ac59cb57e698", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1eba61673612ae209d34719a15b3198bfa5a6258f87275704449ac59cb57e698", kill_on_drop: false }`
[INFO] [stdout] 1eba61673612ae209d34719a15b3198bfa5a6258f87275704449ac59cb57e698
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 8f89bb16386adfaed1af7924c5a1c38d40e83b469e1e1671bb5918548046dfe0
[INFO] running `Command { std: "docker" "start" "-a" "8f89bb16386adfaed1af7924c5a1c38d40e83b469e1e1671bb5918548046dfe0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling proc-macro2 v1.0.50
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]     Checking once_cell v1.14.0
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling tokio v1.21.0
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]    Compiling futures-util v0.3.24
[INFO] [stderr]    Compiling crossbeam-utils v0.8.11
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]     Checking idna v0.3.0
[INFO] [stderr]    Compiling serde_json v1.0.91
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.10
[INFO] [stderr]    Compiling io-lifetimes v1.0.4
[INFO] [stderr]    Compiling rustix v0.36.7
[INFO] [stderr]     Checking tracing-core v0.1.29
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling semver v1.0.16
[INFO] [stderr]     Checking linux-raw-sys v0.1.4
[INFO] [stderr]     Checking kstring v2.0.0
[INFO] [stderr]     Checking nom8 v0.2.0
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]    Compiling zstd-safe v5.0.2+zstd.1.5.2
[INFO] [stderr]    Compiling rustls v0.20.6
[INFO] [stderr]    Compiling camino v1.1.1
[INFO] [stderr]     Checking url v2.3.1
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.50/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 either v1.8.0
[INFO] [stderr]    Compiling anyhow v1.0.66
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[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 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "8f89bb16386adfaed1af7924c5a1c38d40e83b469e1e1671bb5918548046dfe0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f89bb16386adfaed1af7924c5a1c38d40e83b469e1e1671bb5918548046dfe0", kill_on_drop: false }`
[INFO] [stdout] 8f89bb16386adfaed1af7924c5a1c38d40e83b469e1e1671bb5918548046dfe0