[INFO] fetching crate rustengine 1.0.60...
[INFO] checking rustengine-1.0.60 against master#c5fbcd35a8217a17f6b63a22217ace06cf8f5f02 for pr-86194
[INFO] extracting crate rustengine 1.0.60 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate rustengine 1.0.60 on toolchain c5fbcd35a8217a17f6b63a22217ace06cf8f5f02
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rustengine 1.0.60
[INFO] finished tweaking crates.io crate rustengine 1.0.60
[INFO] tweaked toml for crates.io crate rustengine 1.0.60 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate rustengine 1.0.60 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c7513d1676a7994abbbf20cf38755a44d346737f19d503e5251c56727beee61a
[INFO] running `Command { std: "docker" "start" "-a" "c7513d1676a7994abbbf20cf38755a44d346737f19d503e5251c56727beee61a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7513d1676a7994abbbf20cf38755a44d346737f19d503e5251c56727beee61a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7513d1676a7994abbbf20cf38755a44d346737f19d503e5251c56727beee61a", kill_on_drop: false }`
[INFO] [stdout] c7513d1676a7994abbbf20cf38755a44d346737f19d503e5251c56727beee61a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a5f4df40d5e6c6c83842a7d8645b5491875f18b850ec56bf3a233d4facbba2d4
[INFO] running `Command { std: "docker" "start" "-a" "a5f4df40d5e6c6c83842a7d8645b5491875f18b850ec56bf3a233d4facbba2d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rustengine v1.0.60 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.99s
[INFO] running `Command { std: "docker" "inspect" "a5f4df40d5e6c6c83842a7d8645b5491875f18b850ec56bf3a233d4facbba2d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5f4df40d5e6c6c83842a7d8645b5491875f18b850ec56bf3a233d4facbba2d4", kill_on_drop: false }`
[INFO] [stdout] a5f4df40d5e6c6c83842a7d8645b5491875f18b850ec56bf3a233d4facbba2d4