[INFO] fetching crate mpu9250-i2c 0.6.8...
[INFO] checking mpu9250-i2c-0.6.8 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate mpu9250-i2c 0.6.8 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate mpu9250-i2c 0.6.8 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-1-tc2/source/.cargo/config
[INFO] started tweaking crates.io crate mpu9250-i2c 0.6.8
[INFO] finished tweaking crates.io crate mpu9250-i2c 0.6.8
[INFO] tweaked toml for crates.io crate mpu9250-i2c 0.6.8 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate mpu9250-i2c 0.6.8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3e57b726bc68c1b173a0a2a4815361cca2bb1fdc87b85aa1be1ab7c67f659daa
[INFO] running `Command { std: "docker" "start" "-a" "3e57b726bc68c1b173a0a2a4815361cca2bb1fdc87b85aa1be1ab7c67f659daa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e57b726bc68c1b173a0a2a4815361cca2bb1fdc87b85aa1be1ab7c67f659daa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e57b726bc68c1b173a0a2a4815361cca2bb1fdc87b85aa1be1ab7c67f659daa", kill_on_drop: false }`
[INFO] [stdout] 3e57b726bc68c1b173a0a2a4815361cca2bb1fdc87b85aa1be1ab7c67f659daa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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 -Dtail_expr_drop_order" "-e" "RUSTDOCFLAGS=--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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f42c8f2bc76e193b9fc59e2f245581b3e1d5c80a04e865954947aedff519dc11
[INFO] running `Command { std: "docker" "start" "-a" "f42c8f2bc76e193b9fc59e2f245581b3e1d5c80a04e865954947aedff519dc11", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking bitflags v0.3.3
[INFO] [stderr]     Checking m v0.1.1
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking embedded-hal v0.2.4
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]     Checking mpu9250-i2c v0.6.8 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling nix v0.6.0
[INFO] [stderr]     Checking generic-array v0.11.1
[INFO] [stderr]     Checking mat v0.2.0
[INFO] [stderr]     Checking madgwick v0.1.1
[INFO] [stderr]     Checking spidev v0.3.0
[INFO] [stderr]     Checking sysfs_gpio v0.5.4
[INFO] [stderr]     Checking i2cdev v0.4.4
[INFO] [stderr]     Checking linux-embedded-hal v0.2.2
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.27s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bitflags v0.4.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "f42c8f2bc76e193b9fc59e2f245581b3e1d5c80a04e865954947aedff519dc11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f42c8f2bc76e193b9fc59e2f245581b3e1d5c80a04e865954947aedff519dc11", kill_on_drop: false }`
[INFO] [stdout] f42c8f2bc76e193b9fc59e2f245581b3e1d5c80a04e865954947aedff519dc11