[INFO] cloning repository https://github.com/ALinuxPerson/polybar-title-module
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ALinuxPerson/polybar-title-module" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FALinuxPerson%2Fpolybar-title-module", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FALinuxPerson%2Fpolybar-title-module'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6df0ac669003bc4bbe219d37fb0d6f5fb1326fbf
[INFO] checking ALinuxPerson/polybar-title-module against try#c8085cfed34c45021fc8f66d073f6394b3e35431 for pr-148939
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FALinuxPerson%2Fpolybar-title-module" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ALinuxPerson/polybar-title-module
[INFO] finished tweaking git repo https://github.com/ALinuxPerson/polybar-title-module
[INFO] tweaked toml for git repo https://github.com/ALinuxPerson/polybar-title-module written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ALinuxPerson/polybar-title-module on toolchain c8085cfed34c45021fc8f66d073f6394b3e35431
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c8085cfed34c45021fc8f66d073f6394b3e35431" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ALinuxPerson/polybar-title-module 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" "+c8085cfed34c45021fc8f66d073f6394b3e35431" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+c8085cfed34c45021fc8f66d073f6394b3e35431" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 39d8aa9350156af8f0005ee0735b6d5214adb145d1d4a2f5953c57715ea81ae6
[INFO] running `Command { std: "docker" "start" "-a" "39d8aa9350156af8f0005ee0735b6d5214adb145d1d4a2f5953c57715ea81ae6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39d8aa9350156af8f0005ee0735b6d5214adb145d1d4a2f5953c57715ea81ae6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39d8aa9350156af8f0005ee0735b6d5214adb145d1d4a2f5953c57715ea81ae6", kill_on_drop: false }`
[INFO] [stdout] 39d8aa9350156af8f0005ee0735b6d5214adb145d1d4a2f5953c57715ea81ae6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+c8085cfed34c45021fc8f66d073f6394b3e35431" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 59b0446d07ec2d7e3249198292951517a07538b7eef6784b272a04d520e9d7c4
[INFO] running `Command { std: "docker" "start" "-a" "59b0446d07ec2d7e3249198292951517a07538b7eef6784b272a04d520e9d7c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.52
[INFO] [stderr]    Compiling serde_derive v1.0.157
[INFO] [stderr]    Compiling serde v1.0.157
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]    Compiling uncased v0.9.7
[INFO] [stderr]    Compiling serde_json v1.0.94
[INFO] [stderr]    Compiling figment v0.10.8
[INFO] [stderr]     Checking ucd-trie v0.1.5
[INFO] [stderr]     Checking winnow v0.3.6
[INFO] [stderr]    Compiling anyhow v1.0.70
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking dirs-sys v0.4.0
[INFO] [stderr]     Checking tracing-log v0.1.3
[INFO] [stderr]     Checking nix v0.25.1
[INFO] [stderr]     Checking gethostname v0.2.3
[INFO] [stderr]     Checking unicode-segmentation v1.10.1
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking directories v5.0.0
[INFO] [stderr]     Checking tracing-subscriber v0.3.16
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.52/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] [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" "59b0446d07ec2d7e3249198292951517a07538b7eef6784b272a04d520e9d7c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59b0446d07ec2d7e3249198292951517a07538b7eef6784b272a04d520e9d7c4", kill_on_drop: false }`
[INFO] [stdout] 59b0446d07ec2d7e3249198292951517a07538b7eef6784b272a04d520e9d7c4
