[INFO] updating cached repository https://github.com/dustMason/fnv_hash
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 07b0c23e6579eb6cec8fad774a49805cb031e840
[INFO] checking dustMason/fnv_hash against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FdustMason%2Ffnv_hash" "/workspace/builds/worker-9/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dustMason/fnv_hash on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/dustMason/fnv_hash
[INFO] finished tweaking git repo https://github.com/dustMason/fnv_hash
[INFO] tweaked toml for git repo https://github.com/dustMason/fnv_hash written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/dustMason/fnv_hash already has a lockfile, it will not be regenerated
[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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 4cc29b0ee559168e1cb70b5adfe6e00780fe090e3b90512ef03bd49bc71e177d
[INFO] running `"docker" "start" "-a" "4cc29b0ee559168e1cb70b5adfe6e00780fe090e3b90512ef03bd49bc71e177d"`
[INFO] [stderr]    Compiling libcruby-sys v0.7.3
[INFO] [stderr]     Checking cstr-macro v0.1.0
[INFO] [stderr]     Checking helix v0.7.3
[INFO] [stderr]     Checking fnv_hash v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:9:1
[INFO] [stderr]    |
[INFO] [stderr] 9  | / ruby! {
[INFO] [stderr] 10 | |     class FnvHash {
[INFO] [stderr] 11 | |         def digest(str: String) -> u64 {
[INFO] [stderr] 12 | |             let mut hasher = FnvHasher::default();
[INFO] [stderr] ...  |
[INFO] [stderr] 16 | |     }
[INFO] [stderr] 17 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:9:1
[INFO] [stderr]    |
[INFO] [stderr] 9  | / ruby! {
[INFO] [stderr] 10 | |     class FnvHash {
[INFO] [stderr] 11 | |         def digest(str: String) -> u64 {
[INFO] [stderr] 12 | |             let mut hasher = FnvHasher::default();
[INFO] [stderr] ...  |
[INFO] [stderr] 16 | |     }
[INFO] [stderr] 17 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.29s
[INFO] running `"docker" "inspect" "4cc29b0ee559168e1cb70b5adfe6e00780fe090e3b90512ef03bd49bc71e177d"`
[INFO] running `"docker" "rm" "-f" "4cc29b0ee559168e1cb70b5adfe6e00780fe090e3b90512ef03bd49bc71e177d"`
[INFO] [stdout] 4cc29b0ee559168e1cb70b5adfe6e00780fe090e3b90512ef03bd49bc71e177d