[INFO] cloning repository https://github.com/walter0331work/rust_playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/walter0331work/rust_playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwalter0331work%2Frust_playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwalter0331work%2Frust_playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 498b6927ac1e68f237f2467d01d3fd41b7b4139d
[INFO] checking walter0331work/rust_playground/498b6927ac1e68f237f2467d01d3fd41b7b4139d against master#249cb84316401daf040832cdbb8a45e0f5ab6af8 for pr-138438
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwalter0331work%2Frust_playground" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/walter0331work/rust_playground on toolchain 249cb84316401daf040832cdbb8a45e0f5ab6af8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+249cb84316401daf040832cdbb8a45e0f5ab6af8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/walter0331work/rust_playground
[INFO] finished tweaking git repo https://github.com/walter0331work/rust_playground
[INFO] tweaked toml for git repo https://github.com/walter0331work/rust_playground written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/walter0331work/rust_playground 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" "+249cb84316401daf040832cdbb8a45e0f5ab6af8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 3 packages to latest compatible versions
[INFO] [stderr]       Adding bit-set v0.5.3
[INFO] [stderr]       Adding bit-vec v0.6.3
[INFO] [stderr]       Adding fancy-regex v0.11.0 (available: v0.14.0)
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded scraper v0.14.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+249cb84316401daf040832cdbb8a45e0f5ab6af8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2ee63550ec9dabcccdde73dcd5a49ed053e2a631836796f9bf0e88464c76afc2
[INFO] running `Command { std: "docker" "start" "-a" "2ee63550ec9dabcccdde73dcd5a49ed053e2a631836796f9bf0e88464c76afc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ee63550ec9dabcccdde73dcd5a49ed053e2a631836796f9bf0e88464c76afc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ee63550ec9dabcccdde73dcd5a49ed053e2a631836796f9bf0e88464c76afc2", kill_on_drop: false }`
[INFO] [stdout] 2ee63550ec9dabcccdde73dcd5a49ed053e2a631836796f9bf0e88464c76afc2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+249cb84316401daf040832cdbb8a45e0f5ab6af8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0404df51de8e48fba2896c713fe23e8c18421464dce552a9f5d3557b79b60690
[INFO] running `Command { std: "docker" "start" "-a" "0404df51de8e48fba2896c713fe23e8c18421464dce552a9f5d3557b79b60690", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling parking_lot_core v0.9.6
[INFO] [stderr]     Checking once_cell v1.17.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling cc v1.0.78
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling tokio v1.24.1
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking socket2 v0.4.7
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]     Checking itoa v1.0.5
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling openssl v0.10.45
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking phf_shared v0.10.0
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]     Checking http v0.2.8
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking indexmap v1.9.2
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]     Checking futf v0.1.5
[INFO] [stderr]     Checking mio v0.8.5
[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] [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" "0404df51de8e48fba2896c713fe23e8c18421464dce552a9f5d3557b79b60690", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0404df51de8e48fba2896c713fe23e8c18421464dce552a9f5d3557b79b60690", kill_on_drop: false }`
[INFO] [stdout] 0404df51de8e48fba2896c713fe23e8c18421464dce552a9f5d3557b79b60690