[INFO] cloning repository https://github.com/Arkweid/stellar-explorer-rust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Arkweid/stellar-explorer-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArkweid%2Fstellar-explorer-rust"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArkweid%2Fstellar-explorer-rust'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5e0dc581fced2e391b27f6c68e2c21a50ca51c93
[INFO] checking Arkweid/stellar-explorer-rust against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArkweid%2Fstellar-explorer-rust" "/workspace/builds/worker-10/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Arkweid/stellar-explorer-rust on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Arkweid/stellar-explorer-rust
[INFO] finished tweaking git repo https://github.com/Arkweid/stellar-explorer-rust
[INFO] tweaked toml for git repo https://github.com/Arkweid/stellar-explorer-rust written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/Arkweid/stellar-explorer-rust already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2f4b27ad52f35103534b8f205a92d1b517f03466f48ae99f9984a361680b931c
[INFO] running `"docker" "start" "-a" "2f4b27ad52f35103534b8f205a92d1b517f03466f48ae99f9984a361680b931c"`
[INFO] [stderr]    Compiling syn v0.15.42
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.17
[INFO] [stderr]     Checking futures-io-preview v0.3.0-alpha.17
[INFO] [stderr]    Compiling subtle v2.1.0
[INFO] [stderr]    Compiling crc16 v0.3.4
[INFO] [stderr]     Checking runtime-fmt v0.3.0
[INFO] [stderr]     Checking base32 v0.3.1
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling libsqlite3-sys v0.12.0
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking uuid v0.6.5
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking regex v1.2.0
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr] error[E0599]: no method named `is_xid_start` found for type `char` in the current scope
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/runtime-fmt-0.3.0/src/fmt_macros.rs:422:34
[INFO] [stderr]     |
[INFO] [stderr] 422 |             Some(&(pos, c)) if c.is_xid_start() => {
[INFO] [stderr]     |                                  ^^^^^^^^^^^^ method not found in `char`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `is_xid_continue` found for type `char` in the current scope
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/runtime-fmt-0.3.0/src/fmt_macros.rs:431:18
[INFO] [stderr]     |
[INFO] [stderr] 431 |             if c.is_xid_continue() {
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^ method not found in `char`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr] error: could not compile `runtime-fmt`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "2f4b27ad52f35103534b8f205a92d1b517f03466f48ae99f9984a361680b931c"`
[INFO] running `"docker" "rm" "-f" "2f4b27ad52f35103534b8f205a92d1b517f03466f48ae99f9984a361680b931c"`
[INFO] [stdout] 2f4b27ad52f35103534b8f205a92d1b517f03466f48ae99f9984a361680b931c