[INFO] fetching crate capcom0 0.1.1...
[INFO] checking capcom0-0.1.1 against master#c5fbcd35a8217a17f6b63a22217ace06cf8f5f02 for pr-86194
[INFO] extracting crate capcom0 0.1.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate capcom0 0.1.1 on toolchain c5fbcd35a8217a17f6b63a22217ace06cf8f5f02
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate capcom0 0.1.1
[INFO] finished tweaking crates.io crate capcom0 0.1.1
[INFO] tweaked toml for crates.io crate capcom0 0.1.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5f2314bcfbc96ef7e6f49405cd392e7fb2f9bd38af5a519002d52041ef4af594
[INFO] running `Command { std: "docker" "start" "-a" "5f2314bcfbc96ef7e6f49405cd392e7fb2f9bd38af5a519002d52041ef4af594", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f2314bcfbc96ef7e6f49405cd392e7fb2f9bd38af5a519002d52041ef4af594", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f2314bcfbc96ef7e6f49405cd392e7fb2f9bd38af5a519002d52041ef4af594", kill_on_drop: false }`
[INFO] [stdout] 5f2314bcfbc96ef7e6f49405cd392e7fb2f9bd38af5a519002d52041ef4af594
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e362818ef9e1b2524cc3ba759126a34f85b2e7d6e75a2008781e2ac2c0e5460
[INFO] running `Command { std: "docker" "start" "-a" "9e362818ef9e1b2524cc3ba759126a34f85b2e7d6e75a2008781e2ac2c0e5460", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]    Compiling ntapi v0.3.6
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling obfstr v0.1.1
[INFO] [stderr]    Compiling obfstr-impl v0.1.1
[INFO] [stdout] error[E0635]: unknown feature `fixed_size_array`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/obfstr-0.1.1/src/lib.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(fixed_size_array)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] The following warnings were emitted during compilation:
[INFO] [stderr] 
[INFO] [stderr] warning: Cannot set `RUSTC_BOOTSTRAP=1` from build script of `obfstr v0.1.1`.
[INFO] [stderr] note: Crates cannot set `RUSTC_BOOTSTRAP` themselves, as doing so would subvert the stability guarantees of Rust for your project.
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `obfstr`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "9e362818ef9e1b2524cc3ba759126a34f85b2e7d6e75a2008781e2ac2c0e5460", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e362818ef9e1b2524cc3ba759126a34f85b2e7d6e75a2008781e2ac2c0e5460", kill_on_drop: false }`
[INFO] [stdout] 9e362818ef9e1b2524cc3ba759126a34f85b2e7d6e75a2008781e2ac2c0e5460