[INFO] cloning repository https://github.com/RyanKung/klefki-rs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RyanKung/klefki-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRyanKung%2Fklefki-rs"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRyanKung%2Fklefki-rs'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1aac3f72e641a8adf9421365e807e6cfa3c70a0e
[INFO] checking RyanKung/klefki-rs against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRyanKung%2Fklefki-rs" "/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/RyanKung/klefki-rs 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/RyanKung/klefki-rs
[INFO] finished tweaking git repo https://github.com/RyanKung/klefki-rs
[INFO] tweaked toml for git repo https://github.com/RyanKung/klefki-rs written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/RyanKung/klefki-rs 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-9/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[INFO] the lockfile is outdated, regenerating it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] [stderr]     Blocking waiting for file lock on package cache
[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-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" "+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] 5c413f540706099d8a6fc0891f21456edc348ed80819b53ae4b92b52c06e656c
[INFO] running `"docker" "start" "-a" "5c413f540706099d8a6fc0891f21456edc348ed80819b53ae4b92b52c06e656c"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]     Checking sig v1.0.0
[INFO] [stderr]     Checking uint v0.6.1
[INFO] [stderr]     Checking regex v1.1.2
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking tempfile v3.0.7
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]     Checking syn v0.15.27
[INFO] [stderr]     Checking evcxr v0.3.5
[INFO] [stderr]     Checking klefki v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]  --> src/impls/consts.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | / construct_uint! {
[INFO] [stderr] 4 | |     pub struct U256(4);
[INFO] [stderr] 5 | | }
[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/impls/consts.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | / construct_uint! {
[INFO] [stderr] 4 | |     pub struct U256(4);
[INFO] [stderr] 5 | | }
[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/impls/consts.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | / construct_uint! {
[INFO] [stderr] 4 | |     pub struct U256(4);
[INFO] [stderr] 5 | | }
[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/impls/consts.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | / construct_uint! {
[INFO] [stderr] 4 | |     pub struct U256(4);
[INFO] [stderr] 5 | | }
[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]     Finished dev [unoptimized + debuginfo] target(s) in 17.91s
[INFO] running `"docker" "inspect" "5c413f540706099d8a6fc0891f21456edc348ed80819b53ae4b92b52c06e656c"`
[INFO] running `"docker" "rm" "-f" "5c413f540706099d8a6fc0891f21456edc348ed80819b53ae4b92b52c06e656c"`
[INFO] [stdout] 5c413f540706099d8a6fc0891f21456edc348ed80819b53ae4b92b52c06e656c