[INFO] fetching crate nsenter 0.0.1...
[INFO] testing nsenter-0.0.1 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate nsenter 0.0.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate nsenter 0.0.1 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nsenter 0.0.1
[INFO] finished tweaking crates.io crate nsenter 0.0.1
[INFO] tweaked toml for crates.io crate nsenter 0.0.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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] d29ac2c1ddaf9d859812790dd151f34575440b713ff06c97712385a388f11d59
[INFO] running `Command { std: "docker" "start" "-a" "d29ac2c1ddaf9d859812790dd151f34575440b713ff06c97712385a388f11d59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d29ac2c1ddaf9d859812790dd151f34575440b713ff06c97712385a388f11d59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d29ac2c1ddaf9d859812790dd151f34575440b713ff06c97712385a388f11d59", kill_on_drop: false }`
[INFO] [stdout] d29ac2c1ddaf9d859812790dd151f34575440b713ff06c97712385a388f11d59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a85dded219173654c415f59f2f0199e603b456973217ac641bc1f038d1e8a5ef
[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" "a85dded219173654c415f59f2f0199e603b456973217ac641bc1f038d1e8a5ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v0.3.3
[INFO] [stderr]    Compiling libc v0.1.12
[INFO] [stderr]    Compiling text_io v0.1.8
[INFO] [stderr]    Compiling argparse v0.2.2
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling procinfo v0.3.1
[INFO] [stderr]    Compiling nix v0.4.3
[INFO] [stderr]    Compiling unshare v0.1.15
[INFO] [stderr]    Compiling nsutils v0.0.5
[INFO] [stderr]    Compiling nsenter v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.72s
[INFO] running `Command { std: "docker" "inspect" "a85dded219173654c415f59f2f0199e603b456973217ac641bc1f038d1e8a5ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a85dded219173654c415f59f2f0199e603b456973217ac641bc1f038d1e8a5ef", kill_on_drop: false }`
[INFO] [stdout] a85dded219173654c415f59f2f0199e603b456973217ac641bc1f038d1e8a5ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 65ef79dfd6126028967c105cd7191cc0a19449ba5de42c43412ba564d34dad29
[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" "65ef79dfd6126028967c105cd7191cc0a19449ba5de42c43412ba564d34dad29", kill_on_drop: false }`
[INFO] [stderr]    Compiling nsenter v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "65ef79dfd6126028967c105cd7191cc0a19449ba5de42c43412ba564d34dad29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65ef79dfd6126028967c105cd7191cc0a19449ba5de42c43412ba564d34dad29", kill_on_drop: false }`
[INFO] [stdout] 65ef79dfd6126028967c105cd7191cc0a19449ba5de42c43412ba564d34dad29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", 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] d715a25b24cf1599b40b87ba9ca16ca5eaa124b157ea303c9b16cd4f3e6313d5
[INFO] running `Command { std: "docker" "start" "-a" "d715a25b24cf1599b40b87ba9ca16ca5eaa124b157ea303c9b16cd4f3e6313d5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/nsenter-f0fb5bf135a94872)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d715a25b24cf1599b40b87ba9ca16ca5eaa124b157ea303c9b16cd4f3e6313d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d715a25b24cf1599b40b87ba9ca16ca5eaa124b157ea303c9b16cd4f3e6313d5", kill_on_drop: false }`
[INFO] [stdout] d715a25b24cf1599b40b87ba9ca16ca5eaa124b157ea303c9b16cd4f3e6313d5