[INFO] fetching crate buildkit-llb 0.2.0...
[INFO] testing buildkit-llb-0.2.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate buildkit-llb 0.2.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate buildkit-llb 0.2.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate buildkit-llb 0.2.0
[INFO] finished tweaking crates.io crate buildkit-llb 0.2.0
[INFO] tweaked toml for crates.io crate buildkit-llb 0.2.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate buildkit-llb 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 12718f5164d0b3ad765852e8a5a89458a48cdaef3f4c750af538baa919301860
[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" "12718f5164d0b3ad765852e8a5a89458a48cdaef3f4c750af538baa919301860", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12718f5164d0b3ad765852e8a5a89458a48cdaef3f4c750af538baa919301860", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12718f5164d0b3ad765852e8a5a89458a48cdaef3f4c750af538baa919301860", kill_on_drop: false }`
[INFO] [stdout] 12718f5164d0b3ad765852e8a5a89458a48cdaef3f4c750af538baa919301860
[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=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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b67fc30e77941782df59e2ac6d447c684bc0ceea4d0dd8452cbf59a45eb36fec
[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" "b67fc30e77941782df59e2ac6d447c684bc0ceea4d0dd8452cbf59a45eb36fec", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.26
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling multimap v0.8.0
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling regex-syntax v0.6.16
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling which v3.1.0
[INFO] [stderr]    Compiling aho-corasick v0.7.9
[INFO] [stderr]    Compiling pin-project-internal v0.4.8
[INFO] [stderr]    Compiling tokio v0.2.13
[INFO] [stderr]    Compiling tracing-attributes v0.1.7
[INFO] [stderr]    Compiling petgraph v0.5.0
[INFO] [stderr]    Compiling async-stream-impl v0.2.1
[INFO] [stderr]    Compiling async-trait v0.1.24
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]    Compiling async-stream v0.2.1
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling sha2 v0.8.1
[INFO] [stderr]    Compiling tracing v0.1.13
[INFO] [stderr]    Compiling tokio-util v0.2.0
[INFO] [stderr]    Compiling tower-make v0.3.0
[INFO] [stderr]    Compiling tower-ready-cache v0.3.1
[INFO] [stderr]    Compiling regex v1.3.4
[INFO] [stderr]    Compiling h2 v0.2.2
[INFO] [stderr]    Compiling pin-project v0.4.8
[INFO] [stderr]    Compiling tower-discover v0.3.0
[INFO] [stderr]    Compiling tower-load-shed v0.3.0
[INFO] [stderr]    Compiling tower-limit v0.3.0
[INFO] [stderr]    Compiling tower-retry v0.3.0
[INFO] [stderr]    Compiling tower-buffer v0.3.0
[INFO] [stderr]    Compiling tower-util v0.3.0
[INFO] [stderr]    Compiling tower-timeout v0.3.0
[INFO] [stderr]    Compiling tracing-futures v0.2.3
[INFO] [stderr]    Compiling tower-load v0.3.0
[INFO] [stderr]    Compiling tower v0.3.1
[INFO] [stderr]    Compiling tower-balance v0.3.0
[INFO] [stderr]    Compiling serde_json v1.0.48
[INFO] [stderr]    Compiling prost v0.6.1
[INFO] [stderr]    Compiling prost-types v0.6.1
[INFO] [stderr]    Compiling hyper v0.13.3
[INFO] [stderr]    Compiling tonic-build v0.1.1
[INFO] [stderr]    Compiling tonic v0.1.1
[INFO] [stderr]    Compiling buildkit-proto v0.2.0
[INFO] [stderr]    Compiling buildkit-llb v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 07s
[INFO] running `Command { std: "docker" "inspect" "b67fc30e77941782df59e2ac6d447c684bc0ceea4d0dd8452cbf59a45eb36fec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b67fc30e77941782df59e2ac6d447c684bc0ceea4d0dd8452cbf59a45eb36fec", kill_on_drop: false }`
[INFO] [stdout] b67fc30e77941782df59e2ac6d447c684bc0ceea4d0dd8452cbf59a45eb36fec
[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=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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb6bc121ea77f58e8f6625dfe56117d324685a3fac68054316e7d7f88de6a31c
[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" "fb6bc121ea77f58e8f6625dfe56117d324685a3fac68054316e7d7f88de6a31c", kill_on_drop: false }`
[INFO] [stderr]    Compiling buildkit-llb v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 21.40s
[INFO] running `Command { std: "docker" "inspect" "fb6bc121ea77f58e8f6625dfe56117d324685a3fac68054316e7d7f88de6a31c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb6bc121ea77f58e8f6625dfe56117d324685a3fac68054316e7d7f88de6a31c", kill_on_drop: false }`
[INFO] [stdout] fb6bc121ea77f58e8f6625dfe56117d324685a3fac68054316e7d7f88de6a31c
[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=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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 2fe0c0165044ba5ffd32e8abf6af90b142dc0f21dd9972bdd0343b50eedac821
[INFO] running `Command { std: "docker" "start" "-a" "2fe0c0165044ba5ffd32e8abf6af90b142dc0f21dd9972bdd0343b50eedac821", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/buildkit_llb-1a2c0066b2cf4325
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test ops::exec::serialization_with_cwd ... ok
[INFO] [stdout] test ops::exec::serialization ... ok
[INFO] [stdout] test ops::exec::serialization_with_env_iter ... ok
[INFO] [stdout] test ops::fs::copy_with_params_serialization ... ok
[INFO] [stdout] test ops::source::http::serialization ... ok
[INFO] [stdout] test ops::fs::mkfile_serialization ... ok
[INFO] [stdout] test ops::source::git::serialization ... ok
[INFO] [stdout] test ops::fs::mkdir_serialization ... ok
[INFO] [stdout] test ops::source::git::prefixes ... ok
[INFO] [stdout] test ops::exec::serialization_with_user ... ok
[INFO] [stdout] test ops::source::local::serialization ... ok
[INFO] [stdout] test ops::source::git::with_reference ... ok
[INFO] [stdout] test ops::fs::copy_serialization ... ok
[INFO] [stdout] test ops::source::image::serialization ... ok
[INFO] [stdout] test ops::exec::serialization_with_mounts ... ok
[INFO] [stdout] test ops::exec::serialization_with_ssh_mounts ... ok
[INFO] [stdout] test ops::source::image::resolve_mode ... ok
[INFO] [stdout] test ops::exec::serialization_with_several_root_mounts ... ok
[INFO] [stdout] test ops::terminal::serialization ... ok
[INFO] [stdout] test ops::source::image::image_name ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests buildkit-llb
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2fe0c0165044ba5ffd32e8abf6af90b142dc0f21dd9972bdd0343b50eedac821", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fe0c0165044ba5ffd32e8abf6af90b142dc0f21dd9972bdd0343b50eedac821", kill_on_drop: false }`
[INFO] [stdout] 2fe0c0165044ba5ffd32e8abf6af90b142dc0f21dd9972bdd0343b50eedac821