[INFO] fetching crate park-miller-carta-prng 0.1.3...
[INFO] testing park-miller-carta-prng-0.1.3 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate park-miller-carta-prng 0.1.3 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate park-miller-carta-prng 0.1.3 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2/source/.cargo/config
[INFO] started tweaking crates.io crate park-miller-carta-prng 0.1.3
[INFO] finished tweaking crates.io crate park-miller-carta-prng 0.1.3
[INFO] tweaked toml for crates.io crate park-miller-carta-prng 0.1.3 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e15bc0710b3648e40209bfc333ba3aa65b44ecbbfac02adf16ec7abaffb6c50c
[INFO] running `Command { std: "docker" "start" "-a" "e15bc0710b3648e40209bfc333ba3aa65b44ecbbfac02adf16ec7abaffb6c50c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e15bc0710b3648e40209bfc333ba3aa65b44ecbbfac02adf16ec7abaffb6c50c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e15bc0710b3648e40209bfc333ba3aa65b44ecbbfac02adf16ec7abaffb6c50c", kill_on_drop: false }`
[INFO] [stdout] e15bc0710b3648e40209bfc333ba3aa65b44ecbbfac02adf16ec7abaffb6c50c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 30e357f59cf34bea2d436541fa4b590fc90fd25d66f2ea8ba236436aa6cc36a4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "30e357f59cf34bea2d436541fa4b590fc90fd25d66f2ea8ba236436aa6cc36a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling libloading v0.4.3
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling bindgen v0.32.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling clang-sys v0.21.2
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling which v1.0.5
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling env_logger v0.4.3
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling cbindgen v0.4.3
[INFO] [stdout] error[E0425]: cannot find function `parse_crate` in crate `syn`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cbindgen-0.4.3/src/bindgen/parser.rs:167:30
[INFO] [stdout]     |
[INFO] [stdout] 167 |                 let i = syn::parse_crate(&s)
[INFO] [stdout]     |                              ^^^^^^^^^^^ not found in `syn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `parse_crate` in crate `syn`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cbindgen-0.4.3/src/bindgen/parser.rs:281:30
[INFO] [stdout]     |
[INFO] [stdout] 281 |                 let i = syn::parse_crate(&s).map_err(|msg| {
[INFO] [stdout]     |                              ^^^^^^^^^^^ not found in `syn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `str` cannot be known at compilation time
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cbindgen-0.4.3/src/bindgen/parser.rs:281:55
[INFO] [stdout]     |
[INFO] [stdout] 281 |                 let i = syn::parse_crate(&s).map_err(|msg| {
[INFO] [stdout]     |                                                       ^^^ doesn't have a size known at compile-time
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `std::marker::Sized` is not implemented for `str`
[INFO] [stdout]     = help: unsized locals are gated as an unstable feature
[INFO] [stdout] help: function arguments must have a statically known size, borrowed types always have a known size
[INFO] [stdout]     |
[INFO] [stdout] 281 |                 let i = syn::parse_crate(&s).map_err(|&msg| {
[INFO] [stdout]     |                                                       ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0425.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cbindgen`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "30e357f59cf34bea2d436541fa4b590fc90fd25d66f2ea8ba236436aa6cc36a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30e357f59cf34bea2d436541fa4b590fc90fd25d66f2ea8ba236436aa6cc36a4", kill_on_drop: false }`
[INFO] [stdout] 30e357f59cf34bea2d436541fa4b590fc90fd25d66f2ea8ba236436aa6cc36a4