[INFO] fetching crate docuum 0.16.0...
[INFO] testing docuum-0.16.0 against 1.47.0 for beta-1.48-1
[INFO] extracting crate docuum 0.16.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate docuum 0.16.0 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate docuum 0.16.0
[INFO] finished tweaking crates.io crate docuum 0.16.0
[INFO] tweaked toml for crates.io crate docuum 0.16.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate docuum 0.16.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6ee4f5ef4d9c784a01c8991c514a3b82ca676f18fd568ad6ef8b600ddff6e76c
[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" "6ee4f5ef4d9c784a01c8991c514a3b82ca676f18fd568ad6ef8b600ddff6e76c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ee4f5ef4d9c784a01c8991c514a3b82ca676f18fd568ad6ef8b600ddff6e76c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ee4f5ef4d9c784a01c8991c514a3b82ca676f18fd568ad6ef8b600ddff6e76c", kill_on_drop: false }`
[INFO] [stdout] 6ee4f5ef4d9c784a01c8991c514a3b82ca676f18fd568ad6ef8b600ddff6e76c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd512f00d295c696e8a0680215199a7190a45f7b71905f230968cb5bd0456398
[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" "dd512f00d295c696e8a0680215199a7190a45f7b71905f230968cb5bd0456398", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling serde_json v1.0.58
[INFO] [stderr]    Compiling byte-unit v3.1.4
[INFO] [stderr]    Compiling term_size v0.3.2
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling serde_yaml v0.8.13
[INFO] [stderr]    Compiling docuum v0.16.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.95s
[INFO] running `Command { std: "docker" "inspect" "dd512f00d295c696e8a0680215199a7190a45f7b71905f230968cb5bd0456398", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd512f00d295c696e8a0680215199a7190a45f7b71905f230968cb5bd0456398", kill_on_drop: false }`
[INFO] [stdout] dd512f00d295c696e8a0680215199a7190a45f7b71905f230968cb5bd0456398
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dceadf6ac3e0f4126373be7e333852fb7c6387d959b07c39ac45bafb411433a5
[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" "dceadf6ac3e0f4126373be7e333852fb7c6387d959b07c39ac45bafb411433a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling docuum v0.16.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.37s
[INFO] running `Command { std: "docker" "inspect" "dceadf6ac3e0f4126373be7e333852fb7c6387d959b07c39ac45bafb411433a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dceadf6ac3e0f4126373be7e333852fb7c6387d959b07c39ac45bafb411433a5", kill_on_drop: false }`
[INFO] [stdout] dceadf6ac3e0f4126373be7e333852fb7c6387d959b07c39ac45bafb411433a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b524fd3632556c23b181676abfd58a059796afbeebb8472ece758be38face6e4
[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" "b524fd3632556c23b181676abfd58a059796afbeebb8472ece758be38face6e4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/docuum-6b60fec79de10455
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test run::tests::construct_polyforest_empty ... ok
[INFO] [stdout] test run::tests::construct_polyforest_grandparent_parent_child_increasing_timestamps ... ok
[INFO] [stdout] test run::tests::construct_polyforest_parent_child_decreasing_timestamps ... ok
[INFO] [stdout] test run::tests::construct_polyforest_multiple_children ... ok
[INFO] [stdout] test run::tests::construct_polyforest_parent_child_increasing_timestamps ... ok
[INFO] [stdout] test run::tests::construct_polyforest_grandparent_parent_child_decreasing_timestamps ... ok
[INFO] [stdout] test run::tests::construct_polyforest_single_image ... ok
[INFO] [stdout] test run::tests::construct_polyforest_single_image_missing_state ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b524fd3632556c23b181676abfd58a059796afbeebb8472ece758be38face6e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b524fd3632556c23b181676abfd58a059796afbeebb8472ece758be38face6e4", kill_on_drop: false }`
[INFO] [stdout] b524fd3632556c23b181676abfd58a059796afbeebb8472ece758be38face6e4
