[INFO] cloning repository https://github.com/JakeMcCray/dadbot [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JakeMcCray/dadbot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJakeMcCray%2Fdadbot", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJakeMcCray%2Fdadbot'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 00e9326e282a3fefc780ceca91b9f1e1d02aebef [INFO] checking JakeMcCray/dadbot/00e9326e282a3fefc780ceca91b9f1e1d02aebef against master#03eb45452305f2d52348279d0caa5fc1f12c438d for pr-138176 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJakeMcCray%2Fdadbot" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/JakeMcCray/dadbot on toolchain 03eb45452305f2d52348279d0caa5fc1f12c438d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+03eb45452305f2d52348279d0caa5fc1f12c438d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/JakeMcCray/dadbot [INFO] finished tweaking git repo https://github.com/JakeMcCray/dadbot [INFO] tweaked toml for git repo https://github.com/JakeMcCray/dadbot written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/JakeMcCray/dadbot 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" "+03eb45452305f2d52348279d0caa5fc1f12c438d" "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 sha-1 v0.10.1 [INFO] [stderr] Downloaded async-tungstenite v0.17.2 [INFO] [stderr] Downloaded rustls-pemfile v1.0.1 [INFO] [stderr] Downloaded async-trait v0.1.60 [INFO] [stderr] Downloaded tungstenite v0.17.3 [INFO] [stderr] Downloaded ipnet v2.7.0 [INFO] [stderr] Downloaded wasm-bindgen-futures v0.4.33 [INFO] [stderr] Downloaded typemap_rev v0.1.5 [INFO] [stderr] Downloaded serenity v0.11.5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+03eb45452305f2d52348279d0caa5fc1f12c438d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e816779f6fe84c8d825bef1a54ce878ccf5e7e8b3fc12a1aa2fa28a2fc90f836 [INFO] running `Command { std: "docker" "start" "-a" "e816779f6fe84c8d825bef1a54ce878ccf5e7e8b3fc12a1aa2fa28a2fc90f836", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e816779f6fe84c8d825bef1a54ce878ccf5e7e8b3fc12a1aa2fa28a2fc90f836", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e816779f6fe84c8d825bef1a54ce878ccf5e7e8b3fc12a1aa2fa28a2fc90f836", kill_on_drop: false }` [INFO] [stdout] e816779f6fe84c8d825bef1a54ce878ccf5e7e8b3fc12a1aa2fa28a2fc90f836 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+03eb45452305f2d52348279d0caa5fc1f12c438d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b2cad66f4f808a9c778555931bb2d3f720e5be1da8bdeba56ccc0a9351b7e021 [INFO] running `Command { std: "docker" "start" "-a" "b2cad66f4f808a9c778555931bb2d3f720e5be1da8bdeba56ccc0a9351b7e021", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.107 [INFO] [stderr] Compiling cc v1.0.78 [INFO] [stderr] Checking bytes v1.3.0 [INFO] [stderr] Compiling futures-core v0.3.25 [INFO] [stderr] Compiling proc-macro2 v1.0.49 [INFO] [stderr] Checking spin v0.5.2 [INFO] [stderr] Checking untrusted v0.7.1 [INFO] [stderr] Compiling slab v0.4.7 [INFO] [stderr] Compiling tokio v1.23.0 [INFO] [stderr] Compiling futures-channel v0.3.25 [INFO] [stderr] Compiling futures-task v0.3.25 [INFO] [stderr] Checking futures-sink v0.3.25 [INFO] [stderr] Checking mio v0.8.5 [INFO] [stderr] Checking socket2 v0.4.7 [INFO] [stderr] Compiling futures-util v0.3.25 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Checking tinyvec_macros v0.1.0 [INFO] [stderr] Compiling rustls v0.20.7 [INFO] [stderr] Checking futures-io v0.3.25 [INFO] [stderr] Checking tinyvec v1.6.0 [INFO] [stderr] Checking generic-array v0.14.6 [INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.49/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 indexmap v1.9.2 [INFO] [stderr] Checking tracing-core v0.1.30 [INFO] [stderr] Checking form_urlencoded v1.1.0 [INFO] [stderr] Checking getrandom v0.2.8 [INFO] [stderr] Checking unicode-bidi v0.3.8 [INFO] [stderr] Checking try-lock v0.2.3 [INFO] [stderr] Checking httpdate v1.0.2 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Compiling encoding_rs v0.8.31 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Checking http v0.2.8 [INFO] [stderr] Compiling mime_guess v2.0.4 [INFO] [stderr] Checking num-traits v0.2.15 [INFO] [stderr] Checking utf-8 v0.7.6 [INFO] [stderr] Checking mime v0.3.16 [INFO] [stderr] Compiling async-trait v0.1.60 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking miniz_oxide v0.6.2 [INFO] [stdout] For more information about this error, try `rustc --explain E0635`. [INFO] [stdout] [INFO] [stderr] Checking rustls-pemfile v1.0.1 [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" "b2cad66f4f808a9c778555931bb2d3f720e5be1da8bdeba56ccc0a9351b7e021", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b2cad66f4f808a9c778555931bb2d3f720e5be1da8bdeba56ccc0a9351b7e021", kill_on_drop: false }` [INFO] [stdout] b2cad66f4f808a9c778555931bb2d3f720e5be1da8bdeba56ccc0a9351b7e021