[INFO] cloning repository https://github.com/DerPozzi/rust-contactbook
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DerPozzi/rust-contactbook" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDerPozzi%2Frust-contactbook", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDerPozzi%2Frust-contactbook'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d2d9254b2eb6e8597b2b51834403647bd5a9b2cd
[INFO] checking DerPozzi/rust-contactbook against try#b4c55082edd8dec08ce8af276d7054d9c4db20c4 for pr-147984
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDerPozzi%2Frust-contactbook" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/DerPozzi/rust-contactbook
[INFO] finished tweaking git repo https://github.com/DerPozzi/rust-contactbook
[INFO] tweaked toml for git repo https://github.com/DerPozzi/rust-contactbook written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/DerPozzi/rust-contactbook on toolchain b4c55082edd8dec08ce8af276d7054d9c4db20c4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4c55082edd8dec08ce8af276d7054d9c4db20c4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/DerPozzi/rust-contactbook 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" "+b4c55082edd8dec08ce8af276d7054d9c4db20c4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+b4c55082edd8dec08ce8af276d7054d9c4db20c4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 675258fba9e5231bf3b1e5e698c28804682e932a354cb0d38ca4529d3aa49675
[INFO] running `Command { std: "docker" "start" "-a" "675258fba9e5231bf3b1e5e698c28804682e932a354cb0d38ca4529d3aa49675", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "675258fba9e5231bf3b1e5e698c28804682e932a354cb0d38ca4529d3aa49675", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "675258fba9e5231bf3b1e5e698c28804682e932a354cb0d38ca4529d3aa49675", kill_on_drop: false }`
[INFO] [stdout] 675258fba9e5231bf3b1e5e698c28804682e932a354cb0d38ca4529d3aa49675
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+b4c55082edd8dec08ce8af276d7054d9c4db20c4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d50ca642cb544a8f2aa559a7142a1a16d04171cb232e9bb567e182d4e5f22a15
[INFO] running `Command { std: "docker" "start" "-a" "d50ca642cb544a8f2aa559a7142a1a16d04171cb232e9bb567e182d4e5f22a15", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.53
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling futures-core v0.3.27
[INFO] [stderr]    Compiling serde_derive v1.0.158
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]     Checking futures-sink v0.3.27
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling serde v1.0.158
[INFO] [stderr]    Compiling futures-task v0.3.27
[INFO] [stderr]    Compiling futures-channel v0.3.27
[INFO] [stderr]    Compiling tokio v1.26.0
[INFO] [stderr]    Compiling futures-util v0.3.27
[INFO] [stderr]     Checking futures-io v0.3.27
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]    Compiling async-trait v0.1.67
[INFO] [stderr]    Compiling serde_json v1.0.94
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.53/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 semver-parser v0.7.0
[INFO] [stderr]    Compiling time-core v0.1.0
[INFO] [stderr]    Compiling rustls v0.20.8
[INFO] [stderr]     Checking digest v0.10.6
[INFO] [stderr]    Compiling rustc_version_runtime v0.2.1
[INFO] [stderr]     Checking data-encoding v2.3.3
[INFO] [stderr]     Checking rustls-pemfile v1.0.2
[INFO] [stderr]     Checking chrono v0.4.24
[INFO] [stderr]    Compiling time-macros v0.2.8
[INFO] [stderr]     Checking semver v0.9.0
[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" "d50ca642cb544a8f2aa559a7142a1a16d04171cb232e9bb567e182d4e5f22a15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d50ca642cb544a8f2aa559a7142a1a16d04171cb232e9bb567e182d4e5f22a15", kill_on_drop: false }`
[INFO] [stdout] d50ca642cb544a8f2aa559a7142a1a16d04171cb232e9bb567e182d4e5f22a15
