[INFO] cloning repository https://github.com/blt/fd_test
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/blt/fd_test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblt%2Ffd_test"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblt%2Ffd_test'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0e5cbbac481b0b14510b69a417dcfc320aee92cc
[INFO] checking blt/fd_test against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblt%2Ffd_test" "/workspace/builds/worker-12/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/blt/fd_test 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/blt/fd_test
[INFO] finished tweaking git repo https://github.com/blt/fd_test
[INFO] tweaked toml for git repo https://github.com/blt/fd_test written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/blt/fd_test already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stdout] 7816a364a0dda47a5ee56001c0420383c9aaa9f4ef6ba0718fa9b9bc2cf68281
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "7816a364a0dda47a5ee56001c0420383c9aaa9f4ef6ba0718fa9b9bc2cf68281"`
[INFO] [stderr]     Checking serde v1.0.12
[INFO] [stderr]     Checking bincode v0.8.0
[INFO] [stderr]     Checking hopper v0.3.1
[INFO] [stderr]     Checking fd_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/bin/fd_test.rs:8:1
[INFO] [stderr]    |
[INFO] [stderr] 8  | / lazy_static! {
[INFO] [stderr] 9  | |     static ref SIGNS: sync::Mutex<Vec<AtomicUsize>> = sync::Mutex::new(Vec::new());
[INFO] [stderr] 10 | | }
[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::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/bin/fd_test.rs:8:1
[INFO] [stderr]    |
[INFO] [stderr] 8  | / lazy_static! {
[INFO] [stderr] 9  | |     static ref SIGNS: sync::Mutex<Vec<AtomicUsize>> = sync::Mutex::new(Vec::new());
[INFO] [stderr] 10 | | }
[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::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/bin/fd_test.rs:8:1
[INFO] [stderr]    |
[INFO] [stderr] 8  | / lazy_static! {
[INFO] [stderr] 9  | |     static ref SIGNS: sync::Mutex<Vec<AtomicUsize>> = sync::Mutex::new(Vec::new());
[INFO] [stderr] 10 | | }
[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::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/bin/fd_test.rs:8:1
[INFO] [stderr]    |
[INFO] [stderr] 8  | / lazy_static! {
[INFO] [stderr] 9  | |     static ref SIGNS: sync::Mutex<Vec<AtomicUsize>> = sync::Mutex::new(Vec::new());
[INFO] [stderr] 10 | | }
[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 12.29s
[INFO] running `"docker" "inspect" "7816a364a0dda47a5ee56001c0420383c9aaa9f4ef6ba0718fa9b9bc2cf68281"`
[INFO] running `"docker" "rm" "-f" "7816a364a0dda47a5ee56001c0420383c9aaa9f4ef6ba0718fa9b9bc2cf68281"`
[INFO] [stdout] 7816a364a0dda47a5ee56001c0420383c9aaa9f4ef6ba0718fa9b9bc2cf68281