[INFO] crate math2d 0.2.0-alpha8 is already in cache
[INFO] checking math2d-0.2.0-alpha8 against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] extracting crate math2d 0.2.0-alpha8 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate math2d 0.2.0-alpha8 on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate math2d 0.2.0-alpha8
[INFO] finished tweaking crates.io crate math2d 0.2.0-alpha8
[INFO] tweaked toml for crates.io crate math2d 0.2.0-alpha8 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] f63c84387c18c2d1e883edaa19d8e4a340052806ed5200b067f51e6b5fa43bb7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "f63c84387c18c2d1e883edaa19d8e4a340052806ed5200b067f51e6b5fa43bb7"`
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking math2d v0.2.0-alpha8 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/color.rs:189:27
[INFO] [stderr]     |
[INFO] [stderr] 189 |         write!(fmt, "{}", std::error::Error::description(self))
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/color.rs:189:27
[INFO] [stderr]     |
[INFO] [stderr] 189 |         write!(fmt, "{}", std::error::Error::description(self))
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.53s
[INFO] running `"docker" "inspect" "f63c84387c18c2d1e883edaa19d8e4a340052806ed5200b067f51e6b5fa43bb7"`
[INFO] running `"docker" "rm" "-f" "f63c84387c18c2d1e883edaa19d8e4a340052806ed5200b067f51e6b5fa43bb7"`
[INFO] [stdout] f63c84387c18c2d1e883edaa19d8e4a340052806ed5200b067f51e6b5fa43bb7