[INFO] cloning repository https://github.com/faast-rt/lumper
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/faast-rt/lumper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffaast-rt%2Flumper", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffaast-rt%2Flumper'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0d48c55c8f42132140105ffc010a6afee7f42662
[INFO] checking faast-rt/lumper against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffaast-rt%2Flumper" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/faast-rt/lumper
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/faast-rt/lumper
[INFO] tweaked toml for git repo https://github.com/faast-rt/lumper written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/faast-rt/lumper on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/faast-rt/lumper 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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 37d2b5b02e49c472a5c10a3ae5a1f1894936ab4660d43b23c550cdf48ff43327
[INFO] running `Command { std: "docker" "start" "-a" "37d2b5b02e49c472a5c10a3ae5a1f1894936ab4660d43b23c550cdf48ff43327", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37d2b5b02e49c472a5c10a3ae5a1f1894936ab4660d43b23c550cdf48ff43327", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37d2b5b02e49c472a5c10a3ae5a1f1894936ab4660d43b23c550cdf48ff43327", kill_on_drop: false }`
[INFO] [stdout] 37d2b5b02e49c472a5c10a3ae5a1f1894936ab4660d43b23c550cdf48ff43327
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a5685850f46e430060feec8102ea5e55f94379ea30cf3b89f105318a5435e58
[INFO] running `Command { std: "docker" "start" "-a" "8a5685850f46e430060feec8102ea5e55f94379ea30cf3b89f105318a5435e58", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustix v0.37.13
[INFO] [stderr]     Checking linux-raw-sys v0.3.3
[INFO] [stderr]    Compiling serde_derive v1.0.160
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]    Compiling kvm-ioctls v0.15.0
[INFO] [stderr]    Compiling io-lifetimes v1.0.10
[INFO] [stderr]     Checking anstyle-query v1.0.0
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]     Checking virtio-bindings v0.2.1 (https://github.com/rust-vmm/vm-virtio?rev=f69ec8a#f69ec8a3)
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]     Checking vmm-sys-util v0.11.1
[INFO] [stderr]     Checking anstyle v1.0.0
[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]     Checking aho-corasick v1.0.1
[INFO] [stderr]     Checking regex-syntax v0.7.0
[INFO] [stderr]     Checking anstyle-parse v0.2.0
[INFO] [stderr]     Checking clap_lex v0.4.1
[INFO] [stderr]     Checking ryu v1.0.13
[INFO] [stderr]     Checking epoll v4.3.1
[INFO] [stderr]     Checking cidr v0.2.1
[INFO] [stderr]     Checking vm-superio v0.7.0
[INFO] [stderr]     Checking virtio-bindings v0.2.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.56/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 kvm-bindings v0.6.0
[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" "8a5685850f46e430060feec8102ea5e55f94379ea30cf3b89f105318a5435e58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a5685850f46e430060feec8102ea5e55f94379ea30cf3b89f105318a5435e58", kill_on_drop: false }`
[INFO] [stdout] 8a5685850f46e430060feec8102ea5e55f94379ea30cf3b89f105318a5435e58