[INFO] fetching crate stackbt 0.1.2...
[INFO] testing stackbt-0.1.2 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate stackbt 0.1.2 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate stackbt 0.1.2 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 stackbt 0.1.2
[INFO] finished tweaking crates.io crate stackbt 0.1.2
[INFO] tweaked toml for crates.io crate stackbt 0.1.2 written to /workspace/builds/worker-13/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 stackbt_behavior_tree v0.1.2
[INFO] [stderr]   Downloaded stackbt_macros v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 9321f8534d7d2f86ee1f371637174534d52a4f8f94929a410ae553301d6d420d
[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" "9321f8534d7d2f86ee1f371637174534d52a4f8f94929a410ae553301d6d420d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9321f8534d7d2f86ee1f371637174534d52a4f8f94929a410ae553301d6d420d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9321f8534d7d2f86ee1f371637174534d52a4f8f94929a410ae553301d6d420d", kill_on_drop: false }`
[INFO] [stdout] 9321f8534d7d2f86ee1f371637174534d52a4f8f94929a410ae553301d6d420d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 1959796868b7f5f789a3a1ff44f5206c2f1360a4b678644342ab0b9df0f0b118
[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" "1959796868b7f5f789a3a1ff44f5206c2f1360a4b678644342ab0b9df0f0b118", kill_on_drop: false }`
[INFO] [stderr]    Compiling stackbt_automata_impl v0.1.2
[INFO] [stderr]    Compiling stackbt_macros v0.1.2
[INFO] [stderr]    Compiling stackbt_behavior_tree v0.1.2
[INFO] [stderr]    Compiling stackbt v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `Command { std: "docker" "inspect" "1959796868b7f5f789a3a1ff44f5206c2f1360a4b678644342ab0b9df0f0b118", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1959796868b7f5f789a3a1ff44f5206c2f1360a4b678644342ab0b9df0f0b118", kill_on_drop: false }`
[INFO] [stdout] 1959796868b7f5f789a3a1ff44f5206c2f1360a4b678644342ab0b9df0f0b118
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] [stdout] ad0ef2146ce043a6965cd81a3715125bb019eaa7cd8a98ac0420797a0f7bfada
[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" "ad0ef2146ce043a6965cd81a3715125bb019eaa7cd8a98ac0420797a0f7bfada", kill_on_drop: false }`
[INFO] [stderr]    Compiling stackbt v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "ad0ef2146ce043a6965cd81a3715125bb019eaa7cd8a98ac0420797a0f7bfada", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad0ef2146ce043a6965cd81a3715125bb019eaa7cd8a98ac0420797a0f7bfada", kill_on_drop: false }`
[INFO] [stdout] ad0ef2146ce043a6965cd81a3715125bb019eaa7cd8a98ac0420797a0f7bfada
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] f267831513fa19b7cbd2fd8ee00be831abf6bd14f90d433cb85c052b32418a95
[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" "f267831513fa19b7cbd2fd8ee00be831abf6bd14f90d433cb85c052b32418a95", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/stackbt-30c21bbad5e1b49d
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests stackbt
[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] [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" "f267831513fa19b7cbd2fd8ee00be831abf6bd14f90d433cb85c052b32418a95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f267831513fa19b7cbd2fd8ee00be831abf6bd14f90d433cb85c052b32418a95", kill_on_drop: false }`
[INFO] [stdout] f267831513fa19b7cbd2fd8ee00be831abf6bd14f90d433cb85c052b32418a95