[INFO] fetching crate syswall 0.3.0...
[INFO] checking syswall-0.3.0 against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] extracting crate syswall 0.3.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate syswall 0.3.0 on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate syswall 0.3.0
[INFO] finished tweaking crates.io crate syswall 0.3.0
[INFO] tweaked toml for crates.io crate syswall 0.3.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "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] b48e17153f2b0ac549fe71634c6be35f10fa7f85ff1c87d960a0b195b6b5cdc9
[INFO] running `"docker" "start" "-a" "b48e17153f2b0ac549fe71634c6be35f10fa7f85ff1c87d960a0b195b6b5cdc9"`
[INFO] [stderr]     Checking nix v0.13.1
[INFO] [stderr]     Checking syswall v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/syscalls.rs:49:27
[INFO] [stderr]    |
[INFO] [stderr] 49 |     platform_handler: Box<PlatformHandler>,
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn PlatformHandler`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/syscalls.rs:54:101
[INFO] [stderr]    |
[INFO] [stderr] 54 |     pub fn new(config: &'a mut TracerConf, runtime_conf: &'a RuntimeConf<'a>, platform_handler: Box<PlatformHandler>) -> Self {
[INFO] [stderr]    |                                                                                                     ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn PlatformHandler`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tracer_conf.rs:26:58
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn from_file(filename: &str) -> Result<Self, Box<std::error::Error>> {
[INFO] [stderr]    |                                                          ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tracer_conf.rs:38:67
[INFO] [stderr]    |
[INFO] [stderr] 38 |     pub fn write_to_file(&self, filename: &str) -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]    |                                                                   ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tracer_conf.rs:48:32
[INFO] [stderr]    |
[INFO] [stderr] 48 |     pub syscall_cb: Option<Box<Fn(SyscallQuery) -> Option<UserResponse> + 'a>>,
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(SyscallQuery) -> Option<UserResponse> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tracer_conf.rs:52:46
[INFO] [stderr]    |
[INFO] [stderr] 52 |     pub fn set_syscall_cb(&mut self, cb: Box<Fn(SyscallQuery) -> Option<UserResponse> + 'a>) {
[INFO] [stderr]    |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(SyscallQuery) -> Option<UserResponse> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/syscalls.rs:49:27
[INFO] [stderr]    |
[INFO] [stderr] 49 |     platform_handler: Box<PlatformHandler>,
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn PlatformHandler`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/syscalls.rs:54:101
[INFO] [stderr]    |
[INFO] [stderr] 54 |     pub fn new(config: &'a mut TracerConf, runtime_conf: &'a RuntimeConf<'a>, platform_handler: Box<PlatformHandler>) -> Self {
[INFO] [stderr]    |                                                                                                     ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn PlatformHandler`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tracer_conf.rs:26:58
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn from_file(filename: &str) -> Result<Self, Box<std::error::Error>> {
[INFO] [stderr]    |                                                          ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tracer_conf.rs:38:67
[INFO] [stderr]    |
[INFO] [stderr] 38 |     pub fn write_to_file(&self, filename: &str) -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]    |                                                                   ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tracer_conf.rs:48:32
[INFO] [stderr]    |
[INFO] [stderr] 48 |     pub syscall_cb: Option<Box<Fn(SyscallQuery) -> Option<UserResponse> + 'a>>,
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(SyscallQuery) -> Option<UserResponse> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tracer_conf.rs:52:46
[INFO] [stderr]    |
[INFO] [stderr] 52 |     pub fn set_syscall_cb(&mut self, cb: Box<Fn(SyscallQuery) -> Option<UserResponse> + 'a>) {
[INFO] [stderr]    |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(SyscallQuery) -> Option<UserResponse> + 'a`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.15s
[INFO] running `"docker" "inspect" "b48e17153f2b0ac549fe71634c6be35f10fa7f85ff1c87d960a0b195b6b5cdc9"`
[INFO] running `"docker" "rm" "-f" "b48e17153f2b0ac549fe71634c6be35f10fa7f85ff1c87d960a0b195b6b5cdc9"`
[INFO] [stdout] b48e17153f2b0ac549fe71634c6be35f10fa7f85ff1c87d960a0b195b6b5cdc9