[INFO] cloning repository https://github.com/rmw-dart/ffi
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rmw-dart/ffi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frmw-dart%2Fffi", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frmw-dart%2Fffi'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f29e4e50be66347857112a5d4863aa80fb871d77
[INFO] testing rmw-dart/ffi against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frmw-dart%2Fffi" "/workspace/builds/worker-25/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-25/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rmw-dart/ffi on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rmw-dart/ffi
[INFO] finished tweaking git repo https://github.com/rmw-dart/ffi
[INFO] tweaked toml for git repo https://github.com/rmw-dart/ffi written to /workspace/builds/worker-25/source/Cargo.toml
[INFO] crate git repo https://github.com/rmw-dart/ffi already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: the cargo feature `edition2021` has been stabilized in the 1.56 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/beta/cargo/reference/manifest.html#the-edition-field for more information about using this feature.
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1e084c02022b966fb25bb9f758178a394398821ac4d0b83b68b2a2b6ebb19e9e
[INFO] running `Command { std: "docker" "start" "-a" "1e084c02022b966fb25bb9f758178a394398821ac4d0b83b68b2a2b6ebb19e9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e084c02022b966fb25bb9f758178a394398821ac4d0b83b68b2a2b6ebb19e9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e084c02022b966fb25bb9f758178a394398821ac4d0b83b68b2a2b6ebb19e9e", kill_on_drop: false }`
[INFO] [stdout] 1e084c02022b966fb25bb9f758178a394398821ac4d0b83b68b2a2b6ebb19e9e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e733ac4a500d38a385aa02c7fbc3c303691f170e5c94f63db9362bc093e1a532
[INFO] running `Command { std: "docker" "start" "-a" "e733ac4a500d38a385aa02c7fbc3c303691f170e5c94f63db9362bc093e1a532", kill_on_drop: false }`
[INFO] [stderr] warning: the cargo feature `edition2021` has been stabilized in the 1.56 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/beta/cargo/reference/manifest.html#the-edition-field for more information about using this feature.
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.30
[INFO] [stderr]    Compiling libc v0.2.104
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling cc v1.0.71
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling arrayref v0.3.6
[INFO] [stderr]    Compiling constant_time_eq v0.1.5
[INFO] [stderr]    Compiling ppv-lite86 v0.2.14
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling mini_paste-proc_macro v0.1.11
[INFO] [stderr]    Compiling signature v1.4.0
[INFO] [stderr]    Compiling arrayvec v0.7.1
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling static_init_macro v1.0.1
[INFO] [stderr]    Compiling static_init v1.0.1
[INFO] [stderr]    Compiling ed25519 v1.2.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling blake3 v0.3.8
[INFO] [stderr]    Compiling blake3 v1.0.0
[INFO] [stderr]    Compiling dart-ffi v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling mini_paste v0.1.11
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling crypto-mac v0.8.0
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling zeroize_derive v1.2.0
[INFO] [stderr]    Compiling safer_ffi-proc_macro v0.0.6
[INFO] [stderr]    Compiling require_unsafe_in_body v0.2.1
[INFO] [stderr]    Compiling zeroize v1.3.0
[INFO] [stderr]    Compiling safer-ffi v0.0.6
[INFO] [stderr]    Compiling curve25519-dalek v3.2.0
[INFO] [stderr]    Compiling x25519-dalek v1.2.0
[INFO] [stderr]    Compiling ed25519-dalek-blake3 v1.0.4
[INFO] [stdout] warning: unused import: `std::pin::Pin`
[INFO] [stdout]  --> src/blake3.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::pin::Pin;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate-level attribute should be in the root module
[INFO] [stdout]  --> src/dart_sdk.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![no_std]
[INFO] [stdout]   | ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `isolate_callback_data`
[INFO] [stdout]   --> src/blake3.rs:47:33
[INFO] [stdout]    |
[INFO] [stdout] 47 | extern "C" fn _blake3_hasher_gc(isolate_callback_data: *mut libc::c_void, peer: *mut libc::c_void) {
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_isolate_callback_data`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `peer`
[INFO] [stdout]   --> src/blake3.rs:47:75
[INFO] [stdout]    |
[INFO] [stdout] 47 | extern "C" fn _blake3_hasher_gc(isolate_callback_data: *mut libc::c_void, peer: *mut libc::c_void) {
[INFO] [stdout]    |                                                                           ^^^^ help: if this is intentional, prefix it with an underscore: `_peer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.86s
[INFO] running `Command { std: "docker" "inspect" "e733ac4a500d38a385aa02c7fbc3c303691f170e5c94f63db9362bc093e1a532", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e733ac4a500d38a385aa02c7fbc3c303691f170e5c94f63db9362bc093e1a532", kill_on_drop: false }`
[INFO] [stdout] e733ac4a500d38a385aa02c7fbc3c303691f170e5c94f63db9362bc093e1a532
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c812c7e02fa0e3c31385c1b8baa9cdbc4a7cb2cce2262d7ebdf5ee1c8414daba
[INFO] running `Command { std: "docker" "start" "-a" "c812c7e02fa0e3c31385c1b8baa9cdbc4a7cb2cce2262d7ebdf5ee1c8414daba", kill_on_drop: false }`
[INFO] [stderr] warning: the cargo feature `edition2021` has been stabilized in the 1.56 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/beta/cargo/reference/manifest.html#the-edition-field for more information about using this feature.
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling dart-ffi v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::pin::Pin`
[INFO] [stdout]  --> src/blake3.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::pin::Pin;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate-level attribute should be in the root module
[INFO] [stdout]  --> src/dart_sdk.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![no_std]
[INFO] [stdout]   | ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `isolate_callback_data`
[INFO] [stdout]   --> src/blake3.rs:47:33
[INFO] [stdout]    |
[INFO] [stdout] 47 | extern "C" fn _blake3_hasher_gc(isolate_callback_data: *mut libc::c_void, peer: *mut libc::c_void) {
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_isolate_callback_data`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `peer`
[INFO] [stdout]   --> src/blake3.rs:47:75
[INFO] [stdout]    |
[INFO] [stdout] 47 | extern "C" fn _blake3_hasher_gc(isolate_callback_data: *mut libc::c_void, peer: *mut libc::c_void) {
[INFO] [stdout]    |                                                                           ^^^^ help: if this is intentional, prefix it with an underscore: `_peer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.24s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/dart_ffi-e0a837b0fda16e6c)
[INFO] running `Command { std: "docker" "inspect" "c812c7e02fa0e3c31385c1b8baa9cdbc4a7cb2cce2262d7ebdf5ee1c8414daba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c812c7e02fa0e3c31385c1b8baa9cdbc4a7cb2cce2262d7ebdf5ee1c8414daba", kill_on_drop: false }`
[INFO] [stdout] c812c7e02fa0e3c31385c1b8baa9cdbc4a7cb2cce2262d7ebdf5ee1c8414daba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7cec17c3f3769dad939dac103bc5ece5db26c8c11bb55c36f880bd3c38e7f6f8
[INFO] running `Command { std: "docker" "start" "-a" "7cec17c3f3769dad939dac103bc5ece5db26c8c11bb55c36f880bd3c38e7f6f8", kill_on_drop: false }`
[INFO] [stderr] warning: the cargo feature `edition2021` has been stabilized in the 1.56 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/beta/cargo/reference/manifest.html#the-edition-field for more information about using this feature.
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling dart-ffi v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::pin::Pin`
[INFO] [stderr]  --> src/blake3.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::pin::Pin;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate-level attribute should be in the root module
[INFO] [stderr]  --> src/dart_sdk.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | #![no_std]
[INFO] [stderr]   | ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `isolate_callback_data`
[INFO] [stderr]   --> src/blake3.rs:47:33
[INFO] [stderr]    |
[INFO] [stderr] 47 | extern "C" fn _blake3_hasher_gc(isolate_callback_data: *mut libc::c_void, peer: *mut libc::c_void) {
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_isolate_callback_data`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `peer`
[INFO] [stderr]   --> src/blake3.rs:47:75
[INFO] [stderr]    |
[INFO] [stderr] 47 | extern "C" fn _blake3_hasher_gc(isolate_callback_data: *mut libc::c_void, peer: *mut libc::c_void) {
[INFO] [stderr]    |                                                                           ^^^^ help: if this is intentional, prefix it with an underscore: `_peer`
[INFO] [stderr] 
[INFO] [stderr] warning: `dart-ffi` (lib test) generated 4 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.49s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/dart_ffi-e0a837b0fda16e6c)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7cec17c3f3769dad939dac103bc5ece5db26c8c11bb55c36f880bd3c38e7f6f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cec17c3f3769dad939dac103bc5ece5db26c8c11bb55c36f880bd3c38e7f6f8", kill_on_drop: false }`
[INFO] [stdout] 7cec17c3f3769dad939dac103bc5ece5db26c8c11bb55c36f880bd3c38e7f6f8