[INFO] fetching crate random 0.12.2...
[INFO] checking random-0.12.2 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate random 0.12.2 into /workspace/builds/worker-47/source
[INFO] validating manifest of crates.io crate random 0.12.2 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate random 0.12.2
[INFO] finished tweaking crates.io crate random 0.12.2
[INFO] tweaked toml for crates.io crate random 0.12.2 written to /workspace/builds/worker-47/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 74bedfe54901f4bab3ab5e057975d6f25fa1a4d9bf9349e5f05652c8ae0fb0de
[INFO] running `Command { std: "docker" "start" "-a" "74bedfe54901f4bab3ab5e057975d6f25fa1a4d9bf9349e5f05652c8ae0fb0de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74bedfe54901f4bab3ab5e057975d6f25fa1a4d9bf9349e5f05652c8ae0fb0de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74bedfe54901f4bab3ab5e057975d6f25fa1a4d9bf9349e5f05652c8ae0fb0de", kill_on_drop: false }`
[INFO] [stdout] 74bedfe54901f4bab3ab5e057975d6f25fa1a4d9bf9349e5f05652c8ae0fb0de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 04e7c2fad8c1e8a465a55b1435dc4cc7ab8b5ed254b15c3c0d190cfb5bda64db
[INFO] running `Command { std: "docker" "start" "-a" "04e7c2fad8c1e8a465a55b1435dc4cc7ab8b5ed254b15c3c0d190cfb5bda64db", kill_on_drop: false }`
[INFO] [stderr]     Checking random v0.12.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]  --> src/value.rs:6:16
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn read<S>(&mut S) -> Self where S: Source;
[INFO] [stdout]   |                ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut S`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]  --> src/value.rs:6:16
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn read<S>(&mut S) -> Self where S: Source;
[INFO] [stdout]   |                ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut S`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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 [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "04e7c2fad8c1e8a465a55b1435dc4cc7ab8b5ed254b15c3c0d190cfb5bda64db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04e7c2fad8c1e8a465a55b1435dc4cc7ab8b5ed254b15c3c0d190cfb5bda64db", kill_on_drop: false }`
[INFO] [stdout] 04e7c2fad8c1e8a465a55b1435dc4cc7ab8b5ed254b15c3c0d190cfb5bda64db