[INFO] fetching crate ppproto 0.2.1...
[INFO] testing ppproto-0.2.1 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate ppproto 0.2.1 into /workspace/builds/worker-5-tc2/source
[INFO] removed /workspace/builds/worker-5-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate ppproto 0.2.1
[INFO] finished tweaking crates.io crate ppproto 0.2.1
[INFO] tweaked toml for crates.io crate ppproto 0.2.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ppproto 0.2.1 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--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]      Locking 21 packages to latest compatible versions
[INFO] [stderr]       Adding defmt v0.3.100 (available: v1.0.1)
[INFO] [stderr]       Adding heapless v0.8.0 (available: v0.9.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 985a6a107c4a78970e8dc6976e0366e2e47d5c93d6108647cd973b1fc6bb29f1
[INFO] running `Command { std: "docker" "start" "-a" "985a6a107c4a78970e8dc6976e0366e2e47d5c93d6108647cd973b1fc6bb29f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "985a6a107c4a78970e8dc6976e0366e2e47d5c93d6108647cd973b1fc6bb29f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "985a6a107c4a78970e8dc6976e0366e2e47d5c93d6108647cd973b1fc6bb29f1", kill_on_drop: false }`
[INFO] [stdout] 985a6a107c4a78970e8dc6976e0366e2e47d5c93d6108647cd973b1fc6bb29f1
[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" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e4aece34dc994c4176d2a7756b15fc145a3a447bdac14c30169c26849279c9f
[INFO] running `Command { std: "docker" "start" "-a" "9e4aece34dc994c4176d2a7756b15fc145a3a447bdac14c30169c26849279c9f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling rustversion v1.0.22
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling heapless v0.8.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling hash32 v0.3.1
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling num_enum_derive v0.7.4
[INFO] [stderr] error: could not compile `num_enum_derive` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   could not execute process `/opt/rustwide/rustup-home/toolchains/b83b707f97d809763b7861afa7638871f3339a33/bin/rustc --crate-name num_enum_derive --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/num_enum_derive-0.7.4/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C embed-bitcode=no --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("complex-expressions", "default", "external_doc", "proc-macro-crate", "std"))' -C metadata=efaaaaa30e1c53e9 -C extra-filename=-8eb364206f8aece0 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-0a3b3fe24b469f09.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-e098ac900c08002b.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-f7dcedd21486ae78.rlib --extern proc_macro --cap-lints allow --cap-lints=forbid` (never executed)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No such file or directory (os error 2)
[INFO] running `Command { std: "docker" "inspect" "9e4aece34dc994c4176d2a7756b15fc145a3a447bdac14c30169c26849279c9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e4aece34dc994c4176d2a7756b15fc145a3a447bdac14c30169c26849279c9f", kill_on_drop: false }`
[INFO] [stdout] 9e4aece34dc994c4176d2a7756b15fc145a3a447bdac14c30169c26849279c9f