[INFO] cloning repository https://github.com/ichi404gh/rust-not-really-hashtable
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ichi404gh/rust-not-really-hashtable" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fichi404gh%2Frust-not-really-hashtable", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fichi404gh%2Frust-not-really-hashtable'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bbaf18e3ae5a9b96e65ddb517be1c7bb5099502a
[INFO] checking ichi404gh/rust-not-really-hashtable against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fichi404gh%2Frust-not-really-hashtable" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ichi404gh/rust-not-really-hashtable on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ichi404gh/rust-not-really-hashtable
[INFO] finished tweaking git repo https://github.com/ichi404gh/rust-not-really-hashtable
[INFO] tweaked toml for git repo https://github.com/ichi404gh/rust-not-really-hashtable written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/ichi404gh/rust-not-really-hashtable already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 100da011b923225e6ea839008c843f40a88a55a9c758543a0e64b1df2a93324c
[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" "100da011b923225e6ea839008c843f40a88a55a9c758543a0e64b1df2a93324c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "100da011b923225e6ea839008c843f40a88a55a9c758543a0e64b1df2a93324c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "100da011b923225e6ea839008c843f40a88a55a9c758543a0e64b1df2a93324c", kill_on_drop: false }`
[INFO] [stdout] 100da011b923225e6ea839008c843f40a88a55a9c758543a0e64b1df2a93324c
[INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 806619a2978dc4b1e0b4871d168994dde91180b7a687ca2aabdd32e7f850e91a
[INFO] running `Command { std: "docker" "start" "-a" "806619a2978dc4b1e0b4871d168994dde91180b7a687ca2aabdd32e7f850e91a", kill_on_drop: false }`
[INFO] [stderr]     Checking rsht v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "806619a2978dc4b1e0b4871d168994dde91180b7a687ca2aabdd32e7f850e91a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "806619a2978dc4b1e0b4871d168994dde91180b7a687ca2aabdd32e7f850e91a", kill_on_drop: false }`
[INFO] [stdout] 806619a2978dc4b1e0b4871d168994dde91180b7a687ca2aabdd32e7f850e91a