[INFO] cloning repository https://github.com/acmumn/minnehack-blockchain-check-in
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/acmumn/minnehack-blockchain-check-in" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Facmumn%2Fminnehack-blockchain-check-in"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Facmumn%2Fminnehack-blockchain-check-in'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b75908ad2b87b7c31018b8e2e7f8df6aa3092831
[INFO] checking acmumn/minnehack-blockchain-check-in against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Facmumn%2Fminnehack-blockchain-check-in" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/acmumn/minnehack-blockchain-check-in on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/acmumn/minnehack-blockchain-check-in
[INFO] removed workspace from git repo https://github.com/acmumn/minnehack-blockchain-check-in
[INFO] finished tweaking git repo https://github.com/acmumn/minnehack-blockchain-check-in
[INFO] tweaked toml for git repo https://github.com/acmumn/minnehack-blockchain-check-in written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/acmumn/minnehack-blockchain-check-in already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /workspace/builds/worker-5/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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] fdcbb8d43ce1cd4fa0c1fe35356d06ffab3fba1990e7427e6c14d92f37158911
[INFO] running `"docker" "start" "-a" "fdcbb8d43ce1cd4fa0c1fe35356d06ffab3fba1990e7427e6c14d92f37158911"`
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking serde_cbor v0.8.2
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking dotenv v0.10.1
[INFO] [stderr]     Checking pretty_env_logger v0.1.1
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking quickcheck v0.6.2
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking tokio-reactor v0.1.10
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking tokio-threadpool v0.1.16
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-udp v0.1.5
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking tokio-core v0.1.17
[INFO] [stderr]     Checking minnehack-check-in v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/blockchain/parse.rs:28:1
[INFO] [stderr]    |
[INFO] [stderr] 28 | named!(pub hash(&[u8]) -> Hash, map!(count_fixed!(u8, le_u8, 32), Hash));
[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 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/p2p/parse.rs:70:1
[INFO] [stderr]    |
[INFO] [stderr] 70 | / named!(ipv4(&[u8]) -> Ipv4Addr,
[INFO] [stderr] 71 | |     map!(count_fixed!(u8, le_u8, 4), Ipv4Addr::from));
[INFO] [stderr]    | |______________________________________________________^
[INFO] [stderr]    |
[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 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/p2p/parse.rs:72:1
[INFO] [stderr]    |
[INFO] [stderr] 72 | / named!(ipv6(&[u8]) -> Ipv6Addr,
[INFO] [stderr] 73 | |     map!(count_fixed!(u8, le_u8, 16), Ipv6Addr::from));
[INFO] [stderr]    | |_______________________________________________________^
[INFO] [stderr]    |
[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 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/blockchain/parse.rs:28:1
[INFO] [stderr]    |
[INFO] [stderr] 28 | named!(pub hash(&[u8]) -> Hash, map!(count_fixed!(u8, le_u8, 32), Hash));
[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 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/p2p/parse.rs:70:1
[INFO] [stderr]    |
[INFO] [stderr] 70 | / named!(ipv4(&[u8]) -> Ipv4Addr,
[INFO] [stderr] 71 | |     map!(count_fixed!(u8, le_u8, 4), Ipv4Addr::from));
[INFO] [stderr]    | |______________________________________________________^
[INFO] [stderr]    |
[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 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/p2p/parse.rs:72:1
[INFO] [stderr]    |
[INFO] [stderr] 72 | / named!(ipv6(&[u8]) -> Ipv6Addr,
[INFO] [stderr] 73 | |     map!(count_fixed!(u8, le_u8, 16), Ipv6Addr::from));
[INFO] [stderr]    | |_______________________________________________________^
[INFO] [stderr]    |
[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: variable does not need to be mutable
[INFO] [stderr]   --> src/lib.rs:79:13
[INFO] [stderr]    |
[INFO] [stderr] 79 |         let mut client = Client::new_with_opts(
[INFO] [stderr]    |             ----^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lib.rs:79:13
[INFO] [stderr]    |
[INFO] [stderr] 79 |         let mut client = Client::new_with_opts(
[INFO] [stderr]    |             ----^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.76s
[INFO] running `"docker" "inspect" "fdcbb8d43ce1cd4fa0c1fe35356d06ffab3fba1990e7427e6c14d92f37158911"`
[INFO] running `"docker" "rm" "-f" "fdcbb8d43ce1cd4fa0c1fe35356d06ffab3fba1990e7427e6c14d92f37158911"`
[INFO] [stdout] fdcbb8d43ce1cd4fa0c1fe35356d06ffab3fba1990e7427e6c14d92f37158911