[INFO] cloning repository https://github.com/lpoto/memsther
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lpoto/memsther" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flpoto%2Fmemsther", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flpoto%2Fmemsther'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e37c177ac735d44662ae8158d8a041f9bb0c985f
[INFO] testing lpoto/memsther against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759-retry
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flpoto%2Fmemsther" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/lpoto/memsther
[INFO] finished tweaking git repo https://github.com/lpoto/memsther
[INFO] tweaked toml for git repo https://github.com/lpoto/memsther written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lpoto/memsther on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lpoto/memsther 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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded stringprep v0.1.2
[INFO] [stderr]   Downloaded proc-macro2 v1.0.50
[INFO] [stderr]   Downloaded tokio-postgres v0.7.7
[INFO] [stderr]   Downloaded config v0.11.0
[INFO] [stderr]   Downloaded refinery-macros v0.8.7
[INFO] [stderr]   Downloaded postgres-protocol v0.6.4
[INFO] [stderr]   Downloaded deadpool v0.8.2
[INFO] [stderr]   Downloaded hyper-rustls v0.23.2
[INFO] [stderr]   Downloaded deadpool-postgres v0.9.0
[INFO] [stderr]   Downloaded async-tungstenite v0.17.2
[INFO] [stderr]   Downloaded miniz_oxide v0.6.4
[INFO] [stderr]   Downloaded aho-corasick v0.7.20
[INFO] [stderr]   Downloaded time v0.3.17
[INFO] [stderr]   Downloaded nom v5.1.2
[INFO] [stderr]   Downloaded base64 v0.21.0
[INFO] [stderr]   Downloaded openssl-sys v0.9.80
[INFO] [stderr]   Downloaded hyper v0.14.23
[INFO] [stderr]   Downloaded wasm-streams v0.2.3
[INFO] [stderr]   Downloaded rustls-pemfile v1.0.2
[INFO] [stderr]   Downloaded regex v1.7.1
[INFO] [stderr]   Downloaded openssl v0.10.45
[INFO] [stderr]   Downloaded tokio-native-tls v0.3.0
[INFO] [stderr]   Downloaded regex-syntax v0.6.28
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.34
[INFO] [stderr]   Downloaded time-macros v0.2.6
[INFO] [stderr]   Downloaded async-trait v0.1.64
[INFO] [stderr]   Downloaded phf_shared v0.11.1
[INFO] [stderr]   Downloaded phf v0.11.1
[INFO] [stderr]   Downloaded digest v0.10.6
[INFO] [stderr]   Downloaded unicode-bidi v0.3.10
[INFO] [stderr]   Downloaded postgres-types v0.2.4
[INFO] [stderr]   Downloaded refinery-core v0.8.7
[INFO] [stderr]   Downloaded lexical-core v0.7.6
[INFO] [stderr]   Downloaded refinery v0.8.7
[INFO] [stderr]   Downloaded serenity v0.11.5
[INFO] [stderr]   Downloaded sha-1 v0.10.1
[INFO] [stderr]   Downloaded tungstenite v0.17.3
[INFO] [stderr]   Downloaded ordered-float v2.10.0
[INFO] [stderr]   Downloaded tracing-attributes v0.1.23
[INFO] [stderr]   Downloaded tokio v1.25.0
[INFO] [stderr]   Downloaded once_cell v1.17.0
[INFO] [stderr]   Downloaded typemap_rev v0.1.5
[INFO] [stderr]   Downloaded walkdir v2.3.2
[INFO] [stderr]   Downloaded try-lock v0.2.4
[INFO] [stderr]   Downloaded openssl-src v111.25.0+1.1.1t
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2140b0efaf4f46cf00a2f89bdc17a65538fc87130c3c80eb0775779260c5a6b5
[INFO] running `Command { std: "docker" "start" "-a" "2140b0efaf4f46cf00a2f89bdc17a65538fc87130c3c80eb0775779260c5a6b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2140b0efaf4f46cf00a2f89bdc17a65538fc87130c3c80eb0775779260c5a6b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2140b0efaf4f46cf00a2f89bdc17a65538fc87130c3c80eb0775779260c5a6b5", kill_on_drop: false }`
[INFO] [stdout] 2140b0efaf4f46cf00a2f89bdc17a65538fc87130c3c80eb0775779260c5a6b5
[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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b29788a706cce9a9059f6b0438e5f55114c679887f9bcb84787c9e31c5b47c8b
[INFO] running `Command { std: "docker" "start" "-a" "b29788a706cce9a9059f6b0438e5f55114c679887f9bcb84787c9e31c5b47c8b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.50
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling once_cell v1.17.0
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.50/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 bytes v1.4.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling generic-array v0.14.6
[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" "b29788a706cce9a9059f6b0438e5f55114c679887f9bcb84787c9e31c5b47c8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b29788a706cce9a9059f6b0438e5f55114c679887f9bcb84787c9e31c5b47c8b", kill_on_drop: false }`
[INFO] [stdout] b29788a706cce9a9059f6b0438e5f55114c679887f9bcb84787c9e31c5b47c8b
