[INFO] crate rust_fluent 0.3.0 is already in cache
[INFO] checking rust_fluent-0.3.0 against try#f149601db42efe10ece8b284ab681fd4a6fcb89c for pr-68766
[INFO] extracting crate rust_fluent 0.3.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate rust_fluent 0.3.0 on toolchain f149601db42efe10ece8b284ab681fd4a6fcb89c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rust_fluent 0.3.0
[INFO] finished tweaking crates.io crate rust_fluent 0.3.0
[INFO] tweaked toml for crates.io crate rust_fluent 0.3.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[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" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 14a10743e7eee77ea2963d4e98fc2c89311d6529b8e364b207393db1e7bdd8f2
[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" "14a10743e7eee77ea2963d4e98fc2c89311d6529b8e364b207393db1e7bdd8f2"`
[INFO] [stderr]     Checking rust_fluent v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/tcp.rs:45:19
[INFO] [stderr]    |
[INFO] [stderr] 45 |         let tag = try!(json::encode(&self.tag));
[INFO] [stderr]    |                   ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/tcp.rs:47:22
[INFO] [stderr]    |
[INFO] [stderr] 47 |         let record = try!(json::encode(object));
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/tcp.rs:50:26
[INFO] [stderr]    |
[INFO] [stderr] 50 |         let mut stream = try!(net::TcpStream::connect(&self.address));
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/tcp.rs:45:19
[INFO] [stderr]    |
[INFO] [stderr] 45 |         let tag = try!(json::encode(&self.tag));
[INFO] [stderr]    |                   ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/tcp.rs:47:22
[INFO] [stderr]    |
[INFO] [stderr] 47 |         let record = try!(json::encode(object));
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/tcp.rs:50:26
[INFO] [stderr]    |
[INFO] [stderr] 50 |         let mut stream = try!(net::TcpStream::connect(&self.address));
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `"docker" "inspect" "14a10743e7eee77ea2963d4e98fc2c89311d6529b8e364b207393db1e7bdd8f2"`
[INFO] running `"docker" "rm" "-f" "14a10743e7eee77ea2963d4e98fc2c89311d6529b8e364b207393db1e7bdd8f2"`
[INFO] [stdout] 14a10743e7eee77ea2963d4e98fc2c89311d6529b8e364b207393db1e7bdd8f2