[INFO] fetching crate pros-core 0.1.1...
[INFO] checking pros-core-0.1.1 against master#f167efad2f51088d86180ee89177b3d7c9e7c2f5 for pr-129543
[INFO] extracting crate pros-core 0.1.1 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate pros-core 0.1.1 on toolchain f167efad2f51088d86180ee89177b3d7c9e7c2f5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pros-core 0.1.1
[INFO] finished tweaking crates.io crate pros-core 0.1.1
[INFO] tweaked toml for crates.io crate pros-core 0.1.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 28 packages to latest compatible versions
[INFO] [stderr]       Adding windows-sys v0.52.0 (latest: v0.59.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dlmalloc v0.2.6
[INFO] [stderr]   Downloaded no_std_io v0.6.0
[INFO] [stderr]   Downloaded pros-sys v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f8ad0065e385752b723cae5dc8e3e6c53804ebdb56d321486b6b453ae9911312
[INFO] running `Command { std: "docker" "start" "-a" "f8ad0065e385752b723cae5dc8e3e6c53804ebdb56d321486b6b453ae9911312", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8ad0065e385752b723cae5dc8e3e6c53804ebdb56d321486b6b453ae9911312", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8ad0065e385752b723cae5dc8e3e6c53804ebdb56d321486b6b453ae9911312", kill_on_drop: false }`
[INFO] [stdout] f8ad0065e385752b723cae5dc8e3e6c53804ebdb56d321486b6b453ae9911312
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce054ce525f386631746aa92862f355ec56219facd2bd028136fa90c17f85cf1
[INFO] running `Command { std: "docker" "start" "-a" "ce054ce525f386631746aa92862f355ec56219facd2bd028136fa90c17f85cf1", kill_on_drop: false }`
[INFO] [stderr]    Compiling pros-sys v0.8.0
[INFO] [stderr]     Checking no_std_io v0.6.0
[INFO] [stderr]    Compiling snafu-derive v0.8.4
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking snafu v0.8.4
[INFO] [stderr]     Checking pros-core v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `error_in_core` has been stable since 1.81.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | #![feature(error_in_core)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `error_in_core` has been stable since 1.81.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | #![feature(error_in_core)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.64s
[INFO] running `Command { std: "docker" "inspect" "ce054ce525f386631746aa92862f355ec56219facd2bd028136fa90c17f85cf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce054ce525f386631746aa92862f355ec56219facd2bd028136fa90c17f85cf1", kill_on_drop: false }`
[INFO] [stdout] ce054ce525f386631746aa92862f355ec56219facd2bd028136fa90c17f85cf1