[INFO] fetching crate blockconvert 0.5.1...
[INFO] checking blockconvert-0.5.1 against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] extracting crate blockconvert 0.5.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate blockconvert 0.5.1 on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate blockconvert 0.5.1
[INFO] finished tweaking crates.io crate blockconvert 0.5.1
[INFO] tweaked toml for crates.io crate blockconvert 0.5.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6041549ea5a840275b3380d95ae8f967ae3b85e1860ef7a6aca774c83541a1ab
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6041549ea5a840275b3380d95ae8f967ae3b85e1860ef7a6aca774c83541a1ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6041549ea5a840275b3380d95ae8f967ae3b85e1860ef7a6aca774c83541a1ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6041549ea5a840275b3380d95ae8f967ae3b85e1860ef7a6aca774c83541a1ab", kill_on_drop: false }`
[INFO] [stdout] 6041549ea5a840275b3380d95ae8f967ae3b85e1860ef7a6aca774c83541a1ab
[INFO] running `Command { std: "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" "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" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b08dbd9d13734f2d0fe0b7337b0d406342ab43844c186833b0f309c54a59acc8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b08dbd9d13734f2d0fe0b7337b0d406342ab43844c186833b0f309c54a59acc8", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking env_logger v0.8.3
[INFO] [stderr]     Checking blockconvert v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking quickcheck v1.0.3
[INFO] [stderr]    Compiling quickcheck_macros v1.0.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.03s
[INFO] running `Command { std: "docker" "inspect" "b08dbd9d13734f2d0fe0b7337b0d406342ab43844c186833b0f309c54a59acc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b08dbd9d13734f2d0fe0b7337b0d406342ab43844c186833b0f309c54a59acc8", kill_on_drop: false }`
[INFO] [stdout] b08dbd9d13734f2d0fe0b7337b0d406342ab43844c186833b0f309c54a59acc8