[INFO] cloning repository https://github.com/Memento-Research/Tutorial-Sunscreen
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Memento-Research/Tutorial-Sunscreen" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMemento-Research%2FTutorial-Sunscreen", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMemento-Research%2FTutorial-Sunscreen'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f4aec16f1e08c76a1a812cc3406e7a5b443a8300
[INFO] checking Memento-Research/Tutorial-Sunscreen/f4aec16f1e08c76a1a812cc3406e7a5b443a8300 against master#5a45ab9738330fb317d49e3594c2db5248b1e971 for pr-136303
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMemento-Research%2FTutorial-Sunscreen" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Memento-Research/Tutorial-Sunscreen on toolchain 5a45ab9738330fb317d49e3594c2db5248b1e971
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5a45ab9738330fb317d49e3594c2db5248b1e971" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Memento-Research/Tutorial-Sunscreen
[INFO] finished tweaking git repo https://github.com/Memento-Research/Tutorial-Sunscreen
[INFO] tweaked toml for git repo https://github.com/Memento-Research/Tutorial-Sunscreen written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Memento-Research/Tutorial-Sunscreen 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" "+5a45ab9738330fb317d49e3594c2db5248b1e971" "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]  Downloading crates ...
[INFO] [stderr]   Downloaded emsdk v0.1.1
[INFO] [stderr]   Downloaded sunscreen_backend v0.7.0
[INFO] [stderr]   Downloaded sunscreen_fhe_program v0.7.0
[INFO] [stderr]   Downloaded sunscreen v0.7.0
[INFO] [stderr]   Downloaded sunscreen_runtime v0.7.0
[INFO] [stderr]   Downloaded sunscreen_compiler_macros v0.7.0
[INFO] [stderr]   Downloaded bindgen v0.60.1
[INFO] [stderr]   Downloaded seal_fhe v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+5a45ab9738330fb317d49e3594c2db5248b1e971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 66e5c8333d3f254eecf0839e530f1eddc4dea031b8f976a2ac61373365f51df6
[INFO] running `Command { std: "docker" "start" "-a" "66e5c8333d3f254eecf0839e530f1eddc4dea031b8f976a2ac61373365f51df6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66e5c8333d3f254eecf0839e530f1eddc4dea031b8f976a2ac61373365f51df6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66e5c8333d3f254eecf0839e530f1eddc4dea031b8f976a2ac61373365f51df6", kill_on_drop: false }`
[INFO] [stdout] 66e5c8333d3f254eecf0839e530f1eddc4dea031b8f976a2ac61373365f51df6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+5a45ab9738330fb317d49e3594c2db5248b1e971" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f328ca7d04822e1e353ec7eb214b3be735d92da4ed3e227b506b4a683f4de6c2
[INFO] running `Command { std: "docker" "start" "-a" "f328ca7d04822e1e353ec7eb214b3be735d92da4ed3e227b506b4a683f4de6c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.59
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling termcolor v1.2.0
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.59/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 hashbrown v0.12.3
[INFO] [stderr]    Compiling clang-sys v1.6.1
[INFO] [stderr]    Compiling os_str_bytes v6.5.0
[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" "f328ca7d04822e1e353ec7eb214b3be735d92da4ed3e227b506b4a683f4de6c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f328ca7d04822e1e353ec7eb214b3be735d92da4ed3e227b506b4a683f4de6c2", kill_on_drop: false }`
[INFO] [stdout] f328ca7d04822e1e353ec7eb214b3be735d92da4ed3e227b506b4a683f4de6c2