[INFO] fetching crate tracers-dyn-stap 0.1.0...
[INFO] testing tracers-dyn-stap-0.1.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate tracers-dyn-stap 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate tracers-dyn-stap 0.1.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tracers-dyn-stap 0.1.0
[INFO] finished tweaking crates.io crate tracers-dyn-stap 0.1.0
[INFO] tweaked toml for crates.io crate tracers-dyn-stap 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tracers-libstapsdt-sys v0.1.0
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6622c256a4423b5bc26b5ff9edd6b94769693c3d694e396795416ecc65c6172c
[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" "6622c256a4423b5bc26b5ff9edd6b94769693c3d694e396795416ecc65c6172c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6622c256a4423b5bc26b5ff9edd6b94769693c3d694e396795416ecc65c6172c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6622c256a4423b5bc26b5ff9edd6b94769693c3d694e396795416ecc65c6172c", kill_on_drop: false }`
[INFO] [stdout] 6622c256a4423b5bc26b5ff9edd6b94769693c3d694e396795416ecc65c6172c
[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=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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a8d3da8f2e7f847db3ec3eb048f920484273acbc66bc35638e1b3ee4674eb47
[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" "2a8d3da8f2e7f847db3ec3eb048f920484273acbc66bc35638e1b3ee4674eb47", kill_on_drop: false }`
[INFO] [stderr]    Compiling strum v0.16.0
[INFO] [stderr]    Compiling strum_macros v0.16.0
[INFO] [stderr]    Compiling tracers-core v0.1.0
[INFO] [stderr]    Compiling tracers-dyn-stap v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.71s
[INFO] running `Command { std: "docker" "inspect" "2a8d3da8f2e7f847db3ec3eb048f920484273acbc66bc35638e1b3ee4674eb47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a8d3da8f2e7f847db3ec3eb048f920484273acbc66bc35638e1b3ee4674eb47", kill_on_drop: false }`
[INFO] [stdout] 2a8d3da8f2e7f847db3ec3eb048f920484273acbc66bc35638e1b3ee4674eb47
[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=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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--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] 428818b18728e1fc61b5bfddfbe8a572b1edbfbd863413363d34a919ba7dd1d7
[INFO] running `Command { std: "docker" "start" "-a" "428818b18728e1fc61b5bfddfbe8a572b1edbfbd863413363d34a919ba7dd1d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling quickcheck v0.9.2
[INFO] [stderr]    Compiling tracers-dyn-stap v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.31s
[INFO] running `Command { std: "docker" "inspect" "428818b18728e1fc61b5bfddfbe8a572b1edbfbd863413363d34a919ba7dd1d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "428818b18728e1fc61b5bfddfbe8a572b1edbfbd863413363d34a919ba7dd1d7", kill_on_drop: false }`
[INFO] [stdout] 428818b18728e1fc61b5bfddfbe8a572b1edbfbd863413363d34a919ba7dd1d7
[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=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" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bf7ead194bb81fd7906f01a22f304e330e2bcc6aba6840e5de509b05d8caed31
[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" "bf7ead194bb81fd7906f01a22f304e330e2bcc6aba6840e5de509b05d8caed31", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tracers_dyn_stap-fc03d17337e83a56
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tracers-dyn-stap
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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" "bf7ead194bb81fd7906f01a22f304e330e2bcc6aba6840e5de509b05d8caed31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf7ead194bb81fd7906f01a22f304e330e2bcc6aba6840e5de509b05d8caed31", kill_on_drop: false }`
[INFO] [stdout] bf7ead194bb81fd7906f01a22f304e330e2bcc6aba6840e5de509b05d8caed31