[INFO] cloning repository https://github.com/flyingcircusio/userscan
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/flyingcircusio/userscan" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflyingcircusio%2Fuserscan", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflyingcircusio%2Fuserscan'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 446f52cf14ab53450197166deaf20e90d64bc276
[INFO] checking flyingcircusio/userscan against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflyingcircusio%2Fuserscan" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/flyingcircusio/userscan on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/flyingcircusio/userscan
[INFO] finished tweaking git repo https://github.com/flyingcircusio/userscan
[INFO] tweaked toml for git repo https://github.com/flyingcircusio/userscan written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/flyingcircusio/userscan already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thiserror v1.0.22
[INFO] [stderr]   Downloaded term_size v0.3.2
[INFO] [stderr]   Downloaded rmp v0.8.9
[INFO] [stderr]   Downloaded anyhow v1.0.35
[INFO] [stderr]   Downloaded bytesize v1.0.1
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.1
[INFO] [stderr]   Downloaded ignore v0.4.17
[INFO] [stderr]   Downloaded syn v1.0.54
[INFO] [stderr]   Downloaded bzip2-sys v0.1.9+1.0.8
[INFO] [stderr]   Downloaded minilzo-sys v0.1.0
[INFO] [stderr]   Downloaded rmp-serde v0.14.4
[INFO] [stderr]   Downloaded thiserror-impl v1.0.22
[INFO] [stderr]   Downloaded zip v0.5.9
[INFO] [stderr]   Downloaded minilzo v0.2.0
[INFO] [stderr]   Downloaded probes v0.4.1
[INFO] running `Command { std: "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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7809922607e4d503d19bd26b50f92d46d5cf157a7a1d6366fe4f7bd7d9be8531
[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" "7809922607e4d503d19bd26b50f92d46d5cf157a7a1d6366fe4f7bd7d9be8531", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7809922607e4d503d19bd26b50f92d46d5cf157a7a1d6366fe4f7bd7d9be8531", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7809922607e4d503d19bd26b50f92d46d5cf157a7a1d6366fe4f7bd7d9be8531", kill_on_drop: false }`
[INFO] [stdout] 7809922607e4d503d19bd26b50f92d46d5cf157a7a1d6366fe4f7bd7d9be8531
[INFO] running `Command { std: "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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e38cad69baaaa287c1bb86696c278d7d688f6633eefef8f3997e53bba218d2d
[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" "3e38cad69baaaa287c1bb86696c278d7d688f6633eefef8f3997e53bba218d2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling anyhow v1.0.35
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]     Checking twoway v0.1.8
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]    Compiling bzip2-sys v0.1.9+1.0.8
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]     Checking rmp v0.8.9
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking term_size v0.3.2
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]     Checking minilzo-sys v0.1.0
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking users v0.11.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking nix v0.19.1
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]     Checking minilzo v0.2.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking probes v0.4.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking globset v0.4.6
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking ignore v0.4.17
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]     Checking zip v0.5.9
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking rmp-serde v0.14.4
[INFO] [stderr]     Checking fc-userscan v0.4.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/storepaths/cache.rs:65:28
[INFO] [stdout]    |
[INFO] [stdout] 65 |             if !self.dirty.compare_and_swap(true, false, Ordering::SeqCst) {
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/storepaths/cache.rs:65:28
[INFO] [stdout]    |
[INFO] [stdout] 65 |             if !self.dirty.compare_and_swap(true, false, Ordering::SeqCst) {
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `rx`
[INFO] [stdout]    --> src/registry.rs:218:5
[INFO] [stdout]     |
[INFO] [stdout] 218 |     rx: Option<GCRootsRx>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `rx`
[INFO] [stdout]    --> src/registry.rs:218:5
[INFO] [stdout]     |
[INFO] [stdout] 218 |     rx: Option<GCRootsRx>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `rx`
[INFO] [stdout]    --> src/registry.rs:386:9
[INFO] [stdout]     |
[INFO] [stdout] 386 |         rx: Option<GCRootsRx>,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 36s
[INFO] running `Command { std: "docker" "inspect" "3e38cad69baaaa287c1bb86696c278d7d688f6633eefef8f3997e53bba218d2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e38cad69baaaa287c1bb86696c278d7d688f6633eefef8f3997e53bba218d2d", kill_on_drop: false }`
[INFO] [stdout] 3e38cad69baaaa287c1bb86696c278d7d688f6633eefef8f3997e53bba218d2d