[INFO] fetching crate numerals 0.1.2...
[INFO] checking numerals-0.1.2 against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] extracting crate numerals 0.1.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate numerals 0.1.2 on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate numerals 0.1.2
[INFO] finished tweaking crates.io crate numerals 0.1.2
[INFO] tweaked toml for crates.io crate numerals 0.1.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "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] 9cdfe70fb7d0bdcd86884d598b19a1af73864a1609745ac77c690652c7a27eb9
[INFO] running `"docker" "start" "-a" "9cdfe70fb7d0bdcd86884d598b19a1af73864a1609745ac77c690652c7a27eb9"`
[INFO] [stderr]     Checking numerals v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bt.rs:66:7
[INFO] [stderr]    |
[INFO] [stderr] 66 |             try!(write!(f, "{}", t.ascii()));
[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/roman.rs:192:13
[INFO] [stderr]     |
[INFO] [stderr] 192 |             try!(write!(f, "{}", n.ascii_lower()))
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/roman.rs:201:13
[INFO] [stderr]     |
[INFO] [stderr] 201 |             try!(write!(f, "{}", n.ascii_upper()))
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/bt.rs:66:7
[INFO] [stderr]    |
[INFO] [stderr] 66 |             try!(write!(f, "{}", t.ascii()));
[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/roman.rs:192:13
[INFO] [stderr]     |
[INFO] [stderr] 192 |             try!(write!(f, "{}", n.ascii_lower()))
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/roman.rs:201:13
[INFO] [stderr]     |
[INFO] [stderr] 201 |             try!(write!(f, "{}", n.ascii_upper()))
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `"docker" "inspect" "9cdfe70fb7d0bdcd86884d598b19a1af73864a1609745ac77c690652c7a27eb9"`
[INFO] running `"docker" "rm" "-f" "9cdfe70fb7d0bdcd86884d598b19a1af73864a1609745ac77c690652c7a27eb9"`
[INFO] [stdout] 9cdfe70fb7d0bdcd86884d598b19a1af73864a1609745ac77c690652c7a27eb9