[INFO] crate suffix_cmd 0.1.33 is already in cache
[INFO] checking suffix_cmd-0.1.33 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] extracting crate suffix_cmd 0.1.33 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate suffix_cmd 0.1.33 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate suffix_cmd 0.1.33
[INFO] removed path dependency suffix from crates.io crate suffix_cmd 0.1.33
[INFO] finished tweaking crates.io crate suffix_cmd 0.1.33
[INFO] tweaked toml for crates.io crate suffix_cmd 0.1.33 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] fa7ef722ad75edfd0faedd1ed1703aea8ce6dc1913d3b8cd0bd6ba41b2e494fa
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "fa7ef722ad75edfd0faedd1ed1703aea8ce6dc1913d3b8cd0bd6ba41b2e494fa"`
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking suffix v1.2.0
[INFO] [stderr]     Checking rustc-serialize v0.2.13
[INFO] [stderr] error: expected expression, found `]`
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.2.13/src/serialize.rs:331:26
[INFO] [stderr]     |
[INFO] [stderr] 331 |         s.emit_str(&self[])
[INFO] [stderr]     |                          ^ expected expression
[INFO] [stderr] 
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr] error: expected expression, found `]`
[INFO] [stderr]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.2.13/src/json.rs:1046:44
[INFO] [stderr]      |
[INFO] [stderr] 1046 |             Json::String(ref s) => Some(&s[]),
[INFO] [stderr]      |                                            ^ expected expression
[INFO] [stderr] 
[INFO] [stderr] error: expected expression, found `]`
[INFO] [stderr]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.2.13/src/json.rs:2141:63
[INFO] [stderr]      |
[INFO] [stderr] 2141 |         let idx = match names.iter().position(|n| *n == &name[]) {
[INFO] [stderr]      |                   ----- while parsing this match expression   ^ expected expression
[INFO] [stderr] 
[INFO] [stderr] error: expected expression, found `]`
[INFO] [stderr]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.2.13/src/json.rs:3367:43
[INFO] [stderr]      |
[INFO] [stderr] 3367 |         let json_str = from_utf8(&mem_buf[]).unwrap();
[INFO] [stderr]      |                                           ^ expected expression
[INFO] [stderr] 
[INFO] [stderr] error: expected expression, found `]`
[INFO] [stderr]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.2.13/src/json.rs:3383:43
[INFO] [stderr]      |
[INFO] [stderr] 3383 |         let json_str = from_utf8(&mem_buf[]).unwrap();
[INFO] [stderr]      |                                           ^ expected expression
[INFO] [stderr] 
[INFO] [stderr] error: expected expression, found `]`
[INFO] [stderr]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.2.13/src/json.rs:3423:45
[INFO] [stderr]      |
[INFO] [stderr] 3423 |             let printed = from_utf8(&writer[]).unwrap();
[INFO] [stderr]      |                                             ^ expected expression
[INFO] [stderr] 
[INFO] [stderr] error: invalid suffix `us` for integer literal
[INFO] [stderr]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.2.13/src/json.rs:3817:42
[INFO] [stderr]      |
[INFO] [stderr] 3817 |         tree_map.insert("a".to_string(), 1us);
[INFO] [stderr]      |                                          ^^^ invalid suffix `us`
[INFO] [stderr]      |
[INFO] [stderr]      = help: the suffix must be one of the integral types (`u32`, `isize`, etc)
[INFO] [stderr] 
[INFO] [stderr] error: invalid suffix `us` for integer literal
[INFO] [stderr]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.2.13/src/json.rs:3821:42
[INFO] [stderr]      |
[INFO] [stderr] 3821 |         hash_map.insert("a".to_string(), 1us);
[INFO] [stderr]      |                                          ^^^ invalid suffix `us`
[INFO] [stderr]      |
[INFO] [stderr]      = help: the suffix must be one of the integral types (`u32`, `isize`, etc)
[INFO] [stderr] 
[INFO] [stderr] error[E0463]: can't find crate for `unicode`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.2.13/src/lib.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | extern crate unicode;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 9 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: could not compile `rustc-serialize`.
[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 `"docker" "inspect" "fa7ef722ad75edfd0faedd1ed1703aea8ce6dc1913d3b8cd0bd6ba41b2e494fa"`
[INFO] running `"docker" "rm" "-f" "fa7ef722ad75edfd0faedd1ed1703aea8ce6dc1913d3b8cd0bd6ba41b2e494fa"`
[INFO] [stdout] fa7ef722ad75edfd0faedd1ed1703aea8ce6dc1913d3b8cd0bd6ba41b2e494fa