[INFO] crate checked_cast 0.0.3 is already in cache
[INFO] checking checked_cast-0.0.3 against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] extracting crate checked_cast 0.0.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate checked_cast 0.0.3 on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate checked_cast 0.0.3
[INFO] finished tweaking crates.io crate checked_cast 0.0.3
[INFO] tweaked toml for crates.io crate checked_cast 0.0.3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 411de1282b7b0094328d52751e1cdc4297a14425354d155f187cb97363c7ebb5
[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" "411de1282b7b0094328d52751e1cdc4297a14425354d155f187cb97363c7ebb5"`
[INFO] [stderr]     Checking checked_cast v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unknown lint: `unstable`
[INFO] [stderr]  --> src/lib.rs:3:10
[INFO] [stderr]   |
[INFO] [stderr] 3 | #![allow(unstable)]
[INFO] [stderr]   |          ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unknown_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unknown lint: `unstable`
[INFO] [stderr]  --> src/lib.rs:3:10
[INFO] [stderr]   |
[INFO] [stderr] 3 | #![allow(unstable)]
[INFO] [stderr]   |          ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unknown_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `"docker" "inspect" "411de1282b7b0094328d52751e1cdc4297a14425354d155f187cb97363c7ebb5"`
[INFO] running `"docker" "rm" "-f" "411de1282b7b0094328d52751e1cdc4297a14425354d155f187cb97363c7ebb5"`
[INFO] [stdout] 411de1282b7b0094328d52751e1cdc4297a14425354d155f187cb97363c7ebb5
