[INFO] cloning repository https://github.com/Sabir222/rust-solutions
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Sabir222/rust-solutions" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSabir222%2Frust-solutions", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSabir222%2Frust-solutions'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f9b5ca6e7f136580195ce4623fde362633e709ce
[INFO] testing Sabir222/rust-solutions against try#16fbf98f22730e073c09e7b03f0eafb87a295545 for pr-145628-retry-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSabir222%2Frust-solutions" "/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/Sabir222/rust-solutions
[INFO] finished tweaking git repo https://github.com/Sabir222/rust-solutions
[INFO] tweaked toml for git repo https://github.com/Sabir222/rust-solutions written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Sabir222/rust-solutions on toolchain 16fbf98f22730e073c09e7b03f0eafb87a295545
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Sabir222/rust-solutions 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" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2bf656a8e7c2985811190b8d43605aee994a8d545c120a2aabd7a04c35f3de8e
[INFO] running `Command { std: "docker" "start" "-a" "2bf656a8e7c2985811190b8d43605aee994a8d545c120a2aabd7a04c35f3de8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2bf656a8e7c2985811190b8d43605aee994a8d545c120a2aabd7a04c35f3de8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bf656a8e7c2985811190b8d43605aee994a8d545c120a2aabd7a04c35f3de8e", kill_on_drop: false }`
[INFO] [stdout] 2bf656a8e7c2985811190b8d43605aee994a8d545c120a2aabd7a04c35f3de8e
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 324d8882948daa3823ccf5925ff553ec913ebe1962471c5c80e42a4679f79e69
[INFO] running `Command { std: "docker" "start" "-a" "324d8882948daa3823ccf5925ff553ec913ebe1962471c5c80e42a4679f79e69", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.53
[INFO] [stderr]    Compiling serde_derive v1.0.158
[INFO] [stderr]    Compiling serde v1.0.158
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling portable-atomic v1.4.3
[INFO] [stderr]    Compiling hashbrown v0.14.0
[INFO] [stderr]    Compiling serde_json v1.0.94
[INFO] [stderr]    Compiling memchr v2.6.3
[INFO] [stderr]    Compiling winnow v0.5.15
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling inotify-sys v0.1.5
[INFO] [stderr]    Compiling unicode-width v0.1.10
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling filetime v0.2.20
[INFO] [stderr]    Compiling walkdir v2.3.3
[INFO] [stderr]    Compiling net2 v0.2.38
[INFO] [stderr]    Compiling clap_builder v4.4.2
[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]    Compiling inotify v0.7.1
[INFO] [stderr]    Compiling console v0.15.5
[INFO] [stderr]    Compiling number_prefix v0.4.0
[INFO] [stderr]    Compiling ryu v1.0.13
[INFO] [stderr]    Compiling home v0.5.4
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling mio v0.6.23
[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" "324d8882948daa3823ccf5925ff553ec913ebe1962471c5c80e42a4679f79e69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "324d8882948daa3823ccf5925ff553ec913ebe1962471c5c80e42a4679f79e69", kill_on_drop: false }`
[INFO] [stdout] 324d8882948daa3823ccf5925ff553ec913ebe1962471c5c80e42a4679f79e69