[INFO] fetching crate nul-terminated 0.1.0...
[INFO] checking nul-terminated-0.1.0 against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] extracting crate nul-terminated 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate nul-terminated 0.1.0 on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nul-terminated 0.1.0
[INFO] finished tweaking crates.io crate nul-terminated 0.1.0
[INFO] tweaked toml for crates.io crate nul-terminated 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "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" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "metadata" "--no-deps" "--format-version=1", 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] 3d2242728b72385adde126c727856ce6398942436d8e4d96fcb2ca8197e33805
[INFO] running `Command { std: "docker" "start" "-a" "3d2242728b72385adde126c727856ce6398942436d8e4d96fcb2ca8197e33805", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d2242728b72385adde126c727856ce6398942436d8e4d96fcb2ca8197e33805", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d2242728b72385adde126c727856ce6398942436d8e4d96fcb2ca8197e33805", kill_on_drop: false }`
[INFO] [stdout] 3d2242728b72385adde126c727856ce6398942436d8e4d96fcb2ca8197e33805
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "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] d2b85493c1f1c8cb75592490f1afaf6ff8f666ce2ff21b1c6f1b72ba55fa2cd7
[INFO] running `Command { std: "docker" "start" "-a" "d2b85493c1f1c8cb75592490f1afaf6ff8f666ce2ff21b1c6f1b72ba55fa2cd7", kill_on_drop: false }`
[INFO] [stderr]     Checking idem v0.3.1
[INFO] [stderr]     Checking fallible v0.1.3
[INFO] [stderr]     Checking nul-terminated v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "d2b85493c1f1c8cb75592490f1afaf6ff8f666ce2ff21b1c6f1b72ba55fa2cd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2b85493c1f1c8cb75592490f1afaf6ff8f666ce2ff21b1c6f1b72ba55fa2cd7", kill_on_drop: false }`
[INFO] [stdout] d2b85493c1f1c8cb75592490f1afaf6ff8f666ce2ff21b1c6f1b72ba55fa2cd7