[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 try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblt%2Ffd_test" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/blt/fd_test on toolchain 3d9fdbff4f377de96b3a51174e7a64086bee9a5c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-6/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" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hopper v0.3.1
[INFO] [stderr]   Downloaded serde v1.0.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--no-deps" "--format-version=1", 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] 608806811a9ae38d85d9af172460150d8d962c0080b044b5a686ec3d69b58945
[INFO] running `Command { std: "docker" "start" "-a" "608806811a9ae38d85d9af172460150d8d962c0080b044b5a686ec3d69b58945", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "608806811a9ae38d85d9af172460150d8d962c0080b044b5a686ec3d69b58945", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "608806811a9ae38d85d9af172460150d8d962c0080b044b5a686ec3d69b58945", kill_on_drop: false }`
[INFO] [stdout] 608806811a9ae38d85d9af172460150d8d962c0080b044b5a686ec3d69b58945
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a418b1a9247e02c984a5fb35235edd91a9a3b50bd33e6701a848cac4164cf14
[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" "1a418b1a9247e02c984a5fb35235edd91a9a3b50bd33e6701a848cac4164cf14", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 the macro `__lazy_static_create` (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 the macro `__lazy_static_create` (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: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (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 the macro `__lazy_static_create` (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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.69s
[INFO] running `Command { std: "docker" "inspect" "1a418b1a9247e02c984a5fb35235edd91a9a3b50bd33e6701a848cac4164cf14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a418b1a9247e02c984a5fb35235edd91a9a3b50bd33e6701a848cac4164cf14", kill_on_drop: false }`
[INFO] [stdout] 1a418b1a9247e02c984a5fb35235edd91a9a3b50bd33e6701a848cac4164cf14