[INFO] cloning repository https://github.com/dustMason/fnv_hash
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dustMason/fnv_hash" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FdustMason%2Ffnv_hash", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FdustMason%2Ffnv_hash'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 07b0c23e6579eb6cec8fad774a49805cb031e840
[INFO] checking dustMason/fnv_hash against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FdustMason%2Ffnv_hash" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dustMason/fnv_hash on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-8/source/Cargo.toml
[INFO] crate git repo https://github.com/dustMason/fnv_hash already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 59daa225f74bb435fa7b936af26c1b6ab843cce3adc75012a2d98ed347a0dd18
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "59daa225f74bb435fa7b936af26c1b6ab843cce3adc75012a2d98ed347a0dd18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "59daa225f74bb435fa7b936af26c1b6ab843cce3adc75012a2d98ed347a0dd18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59daa225f74bb435fa7b936af26c1b6ab843cce3adc75012a2d98ed347a0dd18", kill_on_drop: false }`
[INFO] [stdout] 59daa225f74bb435fa7b936af26c1b6ab843cce3adc75012a2d98ed347a0dd18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4c6c7e7e671fd72746098c298c76408d23a3e2a1bd91d6bcc5c62fb50e33ad1c
[INFO] running `Command { std: "docker" "start" "-a" "4c6c7e7e671fd72746098c298c76408d23a3e2a1bd91d6bcc5c62fb50e33ad1c", kill_on_drop: false }`
[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] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout] 9  | / ruby! {
[INFO] [stdout] 10 | |     class FnvHash {
[INFO] [stdout] 11 | |         def digest(str: String) -> u64 {
[INFO] [stdout] 12 | |             let mut hasher = FnvHasher::default();
[INFO] [stdout] ...  |
[INFO] [stdout] 16 | |     }
[INFO] [stdout] 17 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout] 9  | / ruby! {
[INFO] [stdout] 10 | |     class FnvHash {
[INFO] [stdout] 11 | |         def digest(str: String) -> u64 {
[INFO] [stdout] 12 | |             let mut hasher = FnvHasher::default();
[INFO] [stdout] ...  |
[INFO] [stdout] 16 | |     }
[INFO] [stdout] 17 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.34s
[INFO] running `Command { std: "docker" "inspect" "4c6c7e7e671fd72746098c298c76408d23a3e2a1bd91d6bcc5c62fb50e33ad1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c6c7e7e671fd72746098c298c76408d23a3e2a1bd91d6bcc5c62fb50e33ad1c", kill_on_drop: false }`
[INFO] [stdout] 4c6c7e7e671fd72746098c298c76408d23a3e2a1bd91d6bcc5c62fb50e33ad1c