[INFO] fetching crate nix 0.20.1...
[INFO] checking nix-0.20.1 against master#0599f3403366d9c57f0625e6de3af214b5042a90 for pr-87710
[INFO] extracting crate nix 0.20.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate nix 0.20.1 on toolchain 0599f3403366d9c57f0625e6de3af214b5042a90
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nix 0.20.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate nix 0.20.1
[INFO] tweaked toml for crates.io crate nix 0.20.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "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] 03edb806688469f4a64c355cfb9ff7785cb8146a0d8e21768fd80ef4db2409d1
[INFO] running `Command { std: "docker" "start" "-a" "03edb806688469f4a64c355cfb9ff7785cb8146a0d8e21768fd80ef4db2409d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "03edb806688469f4a64c355cfb9ff7785cb8146a0d8e21768fd80ef4db2409d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03edb806688469f4a64c355cfb9ff7785cb8146a0d8e21768fd80ef4db2409d1", kill_on_drop: false }`
[INFO] [stdout] 03edb806688469f4a64c355cfb9ff7785cb8146a0d8e21768fd80ef4db2409d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c99724c34986cedfb3d9a3e66460107c521df5cbc4bbade50b386a1d54f337b7
[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" "c99724c34986cedfb3d9a3e66460107c521df5cbc4bbade50b386a1d54f337b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.100
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking errno v0.2.7
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking nix v0.20.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]     Checking caps v0.5.2
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.07s
[INFO] running `Command { std: "docker" "inspect" "c99724c34986cedfb3d9a3e66460107c521df5cbc4bbade50b386a1d54f337b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c99724c34986cedfb3d9a3e66460107c521df5cbc4bbade50b386a1d54f337b7", kill_on_drop: false }`
[INFO] [stdout] c99724c34986cedfb3d9a3e66460107c521df5cbc4bbade50b386a1d54f337b7