[INFO] fetching crate deep_safe_drop 0.0.3...
[INFO] testing deep_safe_drop-0.0.3 against 1.49.0 for beta-1.50-1
[INFO] extracting crate deep_safe_drop 0.0.3 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate deep_safe_drop 0.0.3 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 deep_safe_drop 0.0.3
[INFO] finished tweaking crates.io crate deep_safe_drop 0.0.3
[INFO] tweaked toml for crates.io crate deep_safe_drop 0.0.3 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] d9c97bd03ce9ff0dd4c6703f3c2bb8f68c8784858861d99db37e88843669effd
[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" "d9c97bd03ce9ff0dd4c6703f3c2bb8f68c8784858861d99db37e88843669effd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d9c97bd03ce9ff0dd4c6703f3c2bb8f68c8784858861d99db37e88843669effd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9c97bd03ce9ff0dd4c6703f3c2bb8f68c8784858861d99db37e88843669effd", kill_on_drop: false }`
[INFO] [stdout] d9c97bd03ce9ff0dd4c6703f3c2bb8f68c8784858861d99db37e88843669effd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 4d58f1e48c1cd90c26b093f34ebb621390b88085b4d7228851cc48402b55c8eb
[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" "4d58f1e48c1cd90c26b093f34ebb621390b88085b4d7228851cc48402b55c8eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling deep_safe_drop v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "4d58f1e48c1cd90c26b093f34ebb621390b88085b4d7228851cc48402b55c8eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d58f1e48c1cd90c26b093f34ebb621390b88085b4d7228851cc48402b55c8eb", kill_on_drop: false }`
[INFO] [stdout] 4d58f1e48c1cd90c26b093f34ebb621390b88085b4d7228851cc48402b55c8eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 669a35a485a15bd1ecbbaa93e08328d52fc2ffb4c17d067883c94656038c2020
[INFO] running `Command { std: "docker" "start" "-a" "669a35a485a15bd1ecbbaa93e08328d52fc2ffb4c17d067883c94656038c2020", kill_on_drop: false }`
[INFO] [stderr]    Compiling deep_safe_drop v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "669a35a485a15bd1ecbbaa93e08328d52fc2ffb4c17d067883c94656038c2020", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "669a35a485a15bd1ecbbaa93e08328d52fc2ffb4c17d067883c94656038c2020", kill_on_drop: false }`
[INFO] [stdout] 669a35a485a15bd1ecbbaa93e08328d52fc2ffb4c17d067883c94656038c2020
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] bc972ff7d799fc5143635bb80de827cec1203b3192e70e31d2b152264a2d5bd4
[INFO] running `Command { std: "docker" "start" "-a" "bc972ff7d799fc5143635bb80de827cec1203b3192e70e31d2b152264a2d5bd4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/deep_safe_drop-805e22ef10b20578
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::dyn_trait::stack_overflow ... ignored
[INFO] [stdout] test tests::list::stack_overflow ... ignored
[INFO] [stdout] test tests::binary_tree::exercise ... ok
[INFO] [stdout] test tests::list::no_stack_overflow ... ok
[INFO] [stdout] test tests::dyn_trait::no_stack_overflow ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests deep_safe_drop
[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" "bc972ff7d799fc5143635bb80de827cec1203b3192e70e31d2b152264a2d5bd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc972ff7d799fc5143635bb80de827cec1203b3192e70e31d2b152264a2d5bd4", kill_on_drop: false }`
[INFO] [stdout] bc972ff7d799fc5143635bb80de827cec1203b3192e70e31d2b152264a2d5bd4