[INFO] fetching crate rng 0.1.0...
[INFO] crate rng 0.1.0 is already in cache
[INFO] crate rng 0.1.0 is already in cache
[INFO] crate rng 0.1.0 is already in cache
[INFO] crate rng 0.1.0 is already in cache
[INFO] crate rng 0.1.0 is already in cache
[INFO] crate rng 0.1.0 is already in cache
[INFO] crate rng 0.1.0 is already in cache
[INFO] crate rng 0.1.0 is already in cache
[INFO] crate rng 0.1.0 is already in cache
[INFO] crate rng 0.1.0 is already in cache
[INFO] crate rng 0.1.0 is already in cache
[INFO] crate rng 0.1.0 is already in cache
[INFO] crate rng 0.1.0 is already in cache
[INFO] crate rng 0.1.0 is already in cache
[INFO] checking rng-0.1.0 against master#21de280cccb4eb02ead6bf0af40e2355a9136d6f for pr-100043
[INFO] extracting crate rng 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate rng 0.1.0 on toolchain 21de280cccb4eb02ead6bf0af40e2355a9136d6f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+21de280cccb4eb02ead6bf0af40e2355a9136d6f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rng 0.1.0
[INFO] finished tweaking crates.io crate rng 0.1.0
[INFO] tweaked toml for crates.io crate rng 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+21de280cccb4eb02ead6bf0af40e2355a9136d6f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+21de280cccb4eb02ead6bf0af40e2355a9136d6f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+21de280cccb4eb02ead6bf0af40e2355a9136d6f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f64f25098564ce5557453785e22b612dca9ab4da059e3989a8c02722d25f7632
[INFO] running `Command { std: "docker" "start" "-a" "f64f25098564ce5557453785e22b612dca9ab4da059e3989a8c02722d25f7632", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f64f25098564ce5557453785e22b612dca9ab4da059e3989a8c02722d25f7632", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f64f25098564ce5557453785e22b612dca9ab4da059e3989a8c02722d25f7632", kill_on_drop: false }`
[INFO] [stdout] f64f25098564ce5557453785e22b612dca9ab4da059e3989a8c02722d25f7632
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+21de280cccb4eb02ead6bf0af40e2355a9136d6f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03df4d339d54d9089e55eff66de65dac9b1654c6a308fed9703050495539b310
[INFO] running `Command { std: "docker" "start" "-a" "03df4d339d54d9089e55eff66de65dac9b1654c6a308fed9703050495539b310", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.127
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking rng v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `transmute`
[INFO] [stdout]  --> src/xorshift.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::mem::{transmute};
[INFO] [stdout]   |                ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `transmute`
[INFO] [stdout]  --> src/xorshift.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::mem::{transmute};
[INFO] [stdout]   |                ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` 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 [unoptimized + debuginfo] target(s) in 3.04s
[INFO] running `Command { std: "docker" "inspect" "03df4d339d54d9089e55eff66de65dac9b1654c6a308fed9703050495539b310", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03df4d339d54d9089e55eff66de65dac9b1654c6a308fed9703050495539b310", kill_on_drop: false }`
[INFO] [stdout] 03df4d339d54d9089e55eff66de65dac9b1654c6a308fed9703050495539b310