[INFO] fetching crate duct 0.13.4...
[INFO] checking duct-0.13.4 against master#c9228570668803e3e6402770d55f23a12c9ae686 for pr-79472
[INFO] extracting crate duct 0.13.4 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate duct 0.13.4 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 duct 0.13.4
[INFO] finished tweaking crates.io crate duct 0.13.4
[INFO] tweaked toml for crates.io crate duct 0.13.4 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate duct 0.13.4 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] 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] 4d4879b22f571febc76ad513221ebf4df6c484fac8942708ca6bcbc2d8df2cf1
[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" "4d4879b22f571febc76ad513221ebf4df6c484fac8942708ca6bcbc2d8df2cf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d4879b22f571febc76ad513221ebf4df6c484fac8942708ca6bcbc2d8df2cf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d4879b22f571febc76ad513221ebf4df6c484fac8942708ca6bcbc2d8df2cf1", kill_on_drop: false }`
[INFO] [stdout] 4d4879b22f571febc76ad513221ebf4df6c484fac8942708ca6bcbc2d8df2cf1
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 99d12f87a6e0e5fa795f567db8b9a7ad8a4a35957fdaae34521cb54d2b1e1019
[INFO] running `Command { std: "docker" "start" "-a" "99d12f87a6e0e5fa795f567db8b9a7ad8a4a35957fdaae34521cb54d2b1e1019", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]     Checking once_cell v1.3.1
[INFO] [stderr]     Checking os_pipe v0.9.1
[INFO] [stderr]     Checking shared_child v0.3.4
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking duct v0.13.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.49s
[INFO] running `Command { std: "docker" "inspect" "99d12f87a6e0e5fa795f567db8b9a7ad8a4a35957fdaae34521cb54d2b1e1019", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99d12f87a6e0e5fa795f567db8b9a7ad8a4a35957fdaae34521cb54d2b1e1019", kill_on_drop: false }`
[INFO] [stdout] 99d12f87a6e0e5fa795f567db8b9a7ad8a4a35957fdaae34521cb54d2b1e1019