[INFO] fetching crate mkstemp-rs 1.0.0...
[INFO] testing mkstemp-rs-1.0.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate mkstemp-rs 1.0.0 into /workspace/builds/worker-18/source
[INFO] validating manifest of crates.io crate mkstemp-rs 1.0.0 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 crates.io crate mkstemp-rs 1.0.0
[INFO] finished tweaking crates.io crate mkstemp-rs 1.0.0
[INFO] tweaked toml for crates.io crate mkstemp-rs 1.0.0 written to /workspace/builds/worker-18/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] 83c2521049390a6abec8d5b45e6bd20f150681a9877658c6361ce060d3f87599
[INFO] running `Command { std: "docker" "start" "-a" "83c2521049390a6abec8d5b45e6bd20f150681a9877658c6361ce060d3f87599", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83c2521049390a6abec8d5b45e6bd20f150681a9877658c6361ce060d3f87599", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83c2521049390a6abec8d5b45e6bd20f150681a9877658c6361ce060d3f87599", kill_on_drop: false }`
[INFO] [stdout] 83c2521049390a6abec8d5b45e6bd20f150681a9877658c6361ce060d3f87599
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] 07ee5051cfbd49fb202ec51d9418219b91cb3da95ff8af5d33849d58eda67e12
[INFO] running `Command { std: "docker" "start" "-a" "07ee5051cfbd49fb202ec51d9418219b91cb3da95ff8af5d33849d58eda67e12", kill_on_drop: false }`
[INFO] [stderr]    Compiling mkstemp-rs v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "07ee5051cfbd49fb202ec51d9418219b91cb3da95ff8af5d33849d58eda67e12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07ee5051cfbd49fb202ec51d9418219b91cb3da95ff8af5d33849d58eda67e12", kill_on_drop: false }`
[INFO] [stdout] 07ee5051cfbd49fb202ec51d9418219b91cb3da95ff8af5d33849d58eda67e12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] 288bbc0d2a08735f4f10e1bc626c9650be1be483c11125edc1a608c6d82a5f49
[INFO] running `Command { std: "docker" "start" "-a" "288bbc0d2a08735f4f10e1bc626c9650be1be483c11125edc1a608c6d82a5f49", kill_on_drop: false }`
[INFO] [stderr]    Compiling mkstemp-rs v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> tests/mkstemp.rs:5:26
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn do_write(writer: &mut Write) -> Result<usize> {
[INFO] [stdout]   |                          ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 5 - fn do_write(writer: &mut Write) -> Result<usize> {
[INFO] [stdout] 5 + fn do_write(writer: &mut dyn Write) -> Result<usize> {
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.49s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/mkstemp-c8dd14d894e14858)
[INFO] [stderr]   Executable tests/mkstemp.rs (/opt/rustwide/target/debug/deps/mkstemp-2107db2f8dac702d)
[INFO] running `Command { std: "docker" "inspect" "288bbc0d2a08735f4f10e1bc626c9650be1be483c11125edc1a608c6d82a5f49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "288bbc0d2a08735f4f10e1bc626c9650be1be483c11125edc1a608c6d82a5f49", kill_on_drop: false }`
[INFO] [stdout] 288bbc0d2a08735f4f10e1bc626c9650be1be483c11125edc1a608c6d82a5f49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] 3e0c29764b9cdb6fecb9bc8144b89c2de8995164094b872aa4391990b7be2051
[INFO] running `Command { std: "docker" "start" "-a" "3e0c29764b9cdb6fecb9bc8144b89c2de8995164094b872aa4391990b7be2051", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> tests/mkstemp.rs:5:26
[INFO] [stderr]   |
[INFO] [stderr] 5 | fn do_write(writer: &mut Write) -> Result<usize> {
[INFO] [stderr]   |                          ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]   |
[INFO] [stderr] 5 - fn do_write(writer: &mut Write) -> Result<usize> {
[INFO] [stderr] 5 + fn do_write(writer: &mut dyn Write) -> Result<usize> {
[INFO] [stderr]   | 
[INFO] [stderr] 
[INFO] [stderr] warning: `mkstemp-rs` (test "mkstemp") generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mkstemp-c8dd14d894e14858)
[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] [stderr]      Running tests/mkstemp.rs (/opt/rustwide/target/debug/deps/mkstemp-2107db2f8dac702d)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test mkstemp ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mkstemp
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 5) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.21s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3e0c29764b9cdb6fecb9bc8144b89c2de8995164094b872aa4391990b7be2051", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e0c29764b9cdb6fecb9bc8144b89c2de8995164094b872aa4391990b7be2051", kill_on_drop: false }`
[INFO] [stdout] 3e0c29764b9cdb6fecb9bc8144b89c2de8995164094b872aa4391990b7be2051