[INFO] cloning repository https://github.com/blt/fd_test
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblt%2Ffd_test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0e5cbbac481b0b14510b69a417dcfc320aee92cc
[INFO] checking blt/fd_test against master#c919f490bbcd2b29b74016101f7ec71aaa24bdbb for pr-79073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblt%2Ffd_test" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/blt/fd_test on toolchain c919f490bbcd2b29b74016101f7ec71aaa24bdbb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-0/source/Cargo.toml
[INFO] crate git repo https://github.com/blt/fd_test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7fbb1e50f82c86881d73801d52eba60b5c6d1bf83911c2afdf43d4f8fae54a5a
[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" "7fbb1e50f82c86881d73801d52eba60b5c6d1bf83911c2afdf43d4f8fae54a5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7fbb1e50f82c86881d73801d52eba60b5c6d1bf83911c2afdf43d4f8fae54a5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fbb1e50f82c86881d73801d52eba60b5c6d1bf83911c2afdf43d4f8fae54a5a", kill_on_drop: false }`
[INFO] [stdout] 7fbb1e50f82c86881d73801d52eba60b5c6d1bf83911c2afdf43d4f8fae54a5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df8c984e810cc90c7fe39c2333b99487f0bc9aa53e53501cc8951c8dd20fd883
[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" "df8c984e810cc90c7fe39c2333b99487f0bc9aa53e53501cc8951c8dd20fd883", kill_on_drop: false }`
[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] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/bin/fd_test.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout] 8  | / lazy_static! {
[INFO] [stdout] 9  | |     static ref SIGNS: sync::Mutex<Vec<AtomicUsize>> = sync::Mutex::new(Vec::new());
[INFO] [stdout] 10 | | }
[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 constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/bin/fd_test.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout] 8  | / lazy_static! {
[INFO] [stdout] 9  | |     static ref SIGNS: sync::Mutex<Vec<AtomicUsize>> = sync::Mutex::new(Vec::new());
[INFO] [stdout] 10 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/bin/fd_test.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout] 8  | / lazy_static! {
[INFO] [stdout] 9  | |     static ref SIGNS: sync::Mutex<Vec<AtomicUsize>> = sync::Mutex::new(Vec::new());
[INFO] [stdout] 10 | | }
[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 constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/bin/fd_test.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout] 8  | / lazy_static! {
[INFO] [stdout] 9  | |     static ref SIGNS: sync::Mutex<Vec<AtomicUsize>> = sync::Mutex::new(Vec::new());
[INFO] [stdout] 10 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.36s
[INFO] running `Command { std: "docker" "inspect" "df8c984e810cc90c7fe39c2333b99487f0bc9aa53e53501cc8951c8dd20fd883", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df8c984e810cc90c7fe39c2333b99487f0bc9aa53e53501cc8951c8dd20fd883", kill_on_drop: false }`
[INFO] [stdout] df8c984e810cc90c7fe39c2333b99487f0bc9aa53e53501cc8951c8dd20fd883