[INFO] fetching crate NULL 1.1.0...
[INFO] checking NULL-1.1.0 against master#c9228570668803e3e6402770d55f23a12c9ae686 for pr-79472
[INFO] extracting crate NULL 1.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate NULL 1.1.0 on toolchain c9228570668803e3e6402770d55f23a12c9ae686
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate NULL 1.1.0
[INFO] finished tweaking crates.io crate NULL 1.1.0
[INFO] tweaked toml for crates.io crate NULL 1.1.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate NULL 1.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 38cac666d1544c7f3324e4c497fc74b712d9a07371f7afb79dcb25f2c0dbcb96
[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" "38cac666d1544c7f3324e4c497fc74b712d9a07371f7afb79dcb25f2c0dbcb96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "38cac666d1544c7f3324e4c497fc74b712d9a07371f7afb79dcb25f2c0dbcb96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38cac666d1544c7f3324e4c497fc74b712d9a07371f7afb79dcb25f2c0dbcb96", kill_on_drop: false }`
[INFO] [stdout] 38cac666d1544c7f3324e4c497fc74b712d9a07371f7afb79dcb25f2c0dbcb96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c4e9652c923b64b5c0cd66b5690843230d49aaec0e5ad866ac3043fafe230c53
[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" "c4e9652c923b64b5c0cd66b5690843230d49aaec0e5ad866ac3043fafe230c53", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking hamming v0.1.3
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]     Checking primal-estimate v0.3.1
[INFO] [stderr]     Checking primal-bit v0.3.0
[INFO] [stderr]     Checking primal-sieve v0.3.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.3.0
[INFO] [stderr]     Checking NULL v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.05s
[INFO] running `Command { std: "docker" "inspect" "c4e9652c923b64b5c0cd66b5690843230d49aaec0e5ad866ac3043fafe230c53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4e9652c923b64b5c0cd66b5690843230d49aaec0e5ad866ac3043fafe230c53", kill_on_drop: false }`
[INFO] [stdout] c4e9652c923b64b5c0cd66b5690843230d49aaec0e5ad866ac3043fafe230c53