[INFO] fetching crate sand 0.5.2...
[INFO] testing sand-0.5.2 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate sand 0.5.2 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate sand 0.5.2 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sand 0.5.2
[INFO] finished tweaking crates.io crate sand 0.5.2
[INFO] tweaked toml for crates.io crate sand 0.5.2 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate sand 0.5.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded parse_duration v2.1.0
[INFO] [stderr]   Downloaded num v0.2.1
[INFO] [stderr]   Downloaded syn v1.0.41
[INFO] [stderr]   Downloaded chrono v0.4.15
[INFO] [stderr]   Downloaded num-complex v0.2.4
[INFO] [stderr]   Downloaded libc v0.2.77
[INFO] [stderr]   Downloaded proc-macro2 v1.0.21
[INFO] [stderr]   Downloaded num-iter v0.1.41
[INFO] [stderr]   Downloaded aho-corasick v0.7.13
[INFO] [stderr]   Downloaded pin-project-lite v0.1.7
[INFO] [stderr]   Downloaded tokio-macros v0.2.5
[INFO] [stderr]   Downloaded meap v0.4.0
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 33dd15a76d261963bc5edfa769a36e3709cd43cb9f6a4adaff1bf40cc0f850e4
[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" "33dd15a76d261963bc5edfa769a36e3709cd43cb9f6a4adaff1bf40cc0f850e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "33dd15a76d261963bc5edfa769a36e3709cd43cb9f6a4adaff1bf40cc0f850e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33dd15a76d261963bc5edfa769a36e3709cd43cb9f6a4adaff1bf40cc0f850e4", kill_on_drop: false }`
[INFO] [stdout] 33dd15a76d261963bc5edfa769a36e3709cd43cb9f6a4adaff1bf40cc0f850e4
[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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0478ba2b826081bcbfec784309c744b3c358ad60404527ea36f6182518953208
[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" "0478ba2b826081bcbfec784309c744b3c358ad60404527ea36f6182518953208", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]    Compiling meap v0.4.0
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling parse_duration v2.1.0
[INFO] [stderr]    Compiling chrono v0.4.15
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling tokio v0.2.22
[INFO] [stderr]    Compiling sand v0.5.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.18s
[INFO] running `Command { std: "docker" "inspect" "0478ba2b826081bcbfec784309c744b3c358ad60404527ea36f6182518953208", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0478ba2b826081bcbfec784309c744b3c358ad60404527ea36f6182518953208", kill_on_drop: false }`
[INFO] [stdout] 0478ba2b826081bcbfec784309c744b3c358ad60404527ea36f6182518953208
[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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed5dfad487eeeeb2337d047eee3e3db6fca81625d0c283834608e5941623684f
[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" "ed5dfad487eeeeb2337d047eee3e3db6fca81625d0c283834608e5941623684f", kill_on_drop: false }`
[INFO] [stderr]    Compiling sand v0.5.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "ed5dfad487eeeeb2337d047eee3e3db6fca81625d0c283834608e5941623684f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed5dfad487eeeeb2337d047eee3e3db6fca81625d0c283834608e5941623684f", kill_on_drop: false }`
[INFO] [stdout] ed5dfad487eeeeb2337d047eee3e3db6fca81625d0c283834608e5941623684f
[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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 298b6256cd20c6790d594dceee3a9b525fd954e024b6afac2a77f658e686f7f3
[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" "298b6256cd20c6790d594dceee3a9b525fd954e024b6afac2a77f658e686f7f3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sand-20195e59da2cbd70)
[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" "298b6256cd20c6790d594dceee3a9b525fd954e024b6afac2a77f658e686f7f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "298b6256cd20c6790d594dceee3a9b525fd954e024b6afac2a77f658e686f7f3", kill_on_drop: false }`
[INFO] [stdout] 298b6256cd20c6790d594dceee3a9b525fd954e024b6afac2a77f658e686f7f3