[INFO] fetching crate chacha20stream 2.2.1...
[INFO] checking chacha20stream-2.2.1 against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] extracting crate chacha20stream 2.2.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate chacha20stream 2.2.1 on toolchain 07fecb9cf34c4979a772ba38c99d6d9144768413
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate chacha20stream 2.2.1
[INFO] finished tweaking crates.io crate chacha20stream 2.2.1
[INFO] tweaked toml for crates.io crate chacha20stream 2.2.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded stackalloc v1.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 906fc87d986a5586cf9fb9c14c6bef5ca782f5973d19559f9fbdab1dc111c4d9
[INFO] running `Command { std: "docker" "start" "-a" "906fc87d986a5586cf9fb9c14c6bef5ca782f5973d19559f9fbdab1dc111c4d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "906fc87d986a5586cf9fb9c14c6bef5ca782f5973d19559f9fbdab1dc111c4d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "906fc87d986a5586cf9fb9c14c6bef5ca782f5973d19559f9fbdab1dc111c4d9", kill_on_drop: false }`
[INFO] [stdout] 906fc87d986a5586cf9fb9c14c6bef5ca782f5973d19559f9fbdab1dc111c4d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a83f49d055629b05ac4a1f123190233b762b87ad2b61ddd57bf5e37d6b98567
[INFO] running `Command { std: "docker" "start" "-a" "7a83f49d055629b05ac4a1f123190233b762b87ad2b61ddd57bf5e37d6b98567", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.100
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]    Compiling stackalloc v1.1.1
[INFO] [stderr]    Compiling chacha20stream v2.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]    Compiling openssl-sys v0.9.66
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]    Compiling openssl v0.10.36
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/ffi/error.rs:102:3
[INFO] [stdout]     |
[INFO] [stdout] 102 |         unsafe {
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/ffi.rs:67:14
[INFO] [stdout]     |
[INFO] [stdout] 67  | #[no_mangle] pub unsafe extern "C" fn cc20_write(ptr: *const c_void, bytes: *mut usize, sink: *mut CSink) -> CErr
[INFO] [stdout]     |              ---------------------------------------------------------------------------------------------------- because it's nested under this `unsafe` fn
[INFO] [stdout] ...
[INFO] [stdout] 70  |     let sink = nullchk!(ref mut sink);
[INFO] [stdout]     |                ---------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `nullchk` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/ffi/error.rs:78:3
[INFO] [stdout]    |
[INFO] [stdout] 78 |         unsafe {
[INFO] [stdout]    |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/ffi.rs:67:14
[INFO] [stdout]    |
[INFO] [stdout] 67 | #[no_mangle] pub unsafe extern "C" fn cc20_write(ptr: *const c_void, bytes: *mut usize, sink: *mut CSink) -> CErr
[INFO] [stdout]    |              ---------------------------------------------------------------------------------------------------- because it's nested under this `unsafe` fn
[INFO] [stdout] ...
[INFO] [stdout] 71 |     let nbytes = nullchk!(move bytes);
[INFO] [stdout]    |                  -------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `nullchk` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/ffi/error.rs:90:3
[INFO] [stdout]     |
[INFO] [stdout] 90  |         unsafe {
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/ffi.rs:116:14
[INFO] [stdout]     |
[INFO] [stdout] 116 | #[no_mangle] pub unsafe extern "C"  fn cc20_gen_sink(meta: *const CPassthrough, output: *mut *mut CSink) -> CErr
[INFO] [stdout]     |              --------------------------------------------------------------------------------------------------- because it's nested under this `unsafe` fn
[INFO] [stdout] ...
[INFO] [stdout] 119 |     let meta = nullchk!(ref meta);
[INFO] [stdout]     |                ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `nullchk` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/ffi/error.rs:102:3
[INFO] [stdout]     |
[INFO] [stdout] 102 |         unsafe {
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/ffi.rs:116:14
[INFO] [stdout]     |
[INFO] [stdout] 116 | #[no_mangle] pub unsafe extern "C"  fn cc20_gen_sink(meta: *const CPassthrough, output: *mut *mut CSink) -> CErr
[INFO] [stdout]     |              --------------------------------------------------------------------------------------------------- because it's nested under this `unsafe` fn
[INFO] [stdout] ...
[INFO] [stdout] 120 |     let output = nullchk!(ref mut output);
[INFO] [stdout]     |                  ------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `nullchk` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/ffi/error.rs:102:3
[INFO] [stdout]     |
[INFO] [stdout] 102 |         unsafe {
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/ffi.rs:67:14
[INFO] [stdout]     |
[INFO] [stdout] 67  | #[no_mangle] pub unsafe extern "C" fn cc20_write(ptr: *const c_void, bytes: *mut usize, sink: *mut CSink) -> CErr
[INFO] [stdout]     |              ---------------------------------------------------------------------------------------------------- because it's nested under this `unsafe` fn
[INFO] [stdout] ...
[INFO] [stdout] 70  |     let sink = nullchk!(ref mut sink);
[INFO] [stdout]     |                ---------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `nullchk` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/ffi/error.rs:78:3
[INFO] [stdout]    |
[INFO] [stdout] 78 |         unsafe {
[INFO] [stdout]    |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/ffi.rs:67:14
[INFO] [stdout]    |
[INFO] [stdout] 67 | #[no_mangle] pub unsafe extern "C" fn cc20_write(ptr: *const c_void, bytes: *mut usize, sink: *mut CSink) -> CErr
[INFO] [stdout]    |              ---------------------------------------------------------------------------------------------------- because it's nested under this `unsafe` fn
[INFO] [stdout] ...
[INFO] [stdout] 71 |     let nbytes = nullchk!(move bytes);
[INFO] [stdout]    |                  -------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `nullchk` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/ffi/error.rs:90:3
[INFO] [stdout]     |
[INFO] [stdout] 90  |         unsafe {
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/ffi.rs:116:14
[INFO] [stdout]     |
[INFO] [stdout] 116 | #[no_mangle] pub unsafe extern "C"  fn cc20_gen_sink(meta: *const CPassthrough, output: *mut *mut CSink) -> CErr
[INFO] [stdout]     |              --------------------------------------------------------------------------------------------------- because it's nested under this `unsafe` fn
[INFO] [stdout] ...
[INFO] [stdout] 119 |     let meta = nullchk!(ref meta);
[INFO] [stdout]     |                ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `nullchk` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/ffi/error.rs:102:3
[INFO] [stdout]     |
[INFO] [stdout] 102 |         unsafe {
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/ffi.rs:116:14
[INFO] [stdout]     |
[INFO] [stdout] 116 | #[no_mangle] pub unsafe extern "C"  fn cc20_gen_sink(meta: *const CPassthrough, output: *mut *mut CSink) -> CErr
[INFO] [stdout]     |              --------------------------------------------------------------------------------------------------- because it's nested under this `unsafe` fn
[INFO] [stdout] ...
[INFO] [stdout] 120 |     let output = nullchk!(ref mut output);
[INFO] [stdout]     |                  ------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `nullchk` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.89s
[INFO] running `Command { std: "docker" "inspect" "7a83f49d055629b05ac4a1f123190233b762b87ad2b61ddd57bf5e37d6b98567", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a83f49d055629b05ac4a1f123190233b762b87ad2b61ddd57bf5e37d6b98567", kill_on_drop: false }`
[INFO] [stdout] 7a83f49d055629b05ac4a1f123190233b762b87ad2b61ddd57bf5e37d6b98567