[INFO] fetching crate euka 0.0.1...
[INFO] testing euka-0.0.1 against beta-2020-10-09 for beta-1.48-1
[INFO] extracting crate euka 0.0.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate euka 0.0.1 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate euka 0.0.1
[INFO] finished tweaking crates.io crate euka 0.0.1
[INFO] tweaked toml for crates.io crate euka 0.0.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mohan v0.0.24
[INFO] [stderr]   Downloaded zeroize_derive v0.10.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", 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] 15ce709bf599771c54f70d6b6a2d7256920ae7956f1fc5769fe9dc9a16d0547d
[INFO] running `Command { std: "docker" "start" "-a" "15ce709bf599771c54f70d6b6a2d7256920ae7956f1fc5769fe9dc9a16d0547d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "15ce709bf599771c54f70d6b6a2d7256920ae7956f1fc5769fe9dc9a16d0547d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15ce709bf599771c54f70d6b6a2d7256920ae7956f1fc5769fe9dc9a16d0547d", kill_on_drop: false }`
[INFO] [stdout] 15ce709bf599771c54f70d6b6a2d7256920ae7956f1fc5769fe9dc9a16d0547d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f00020096b7aa35e254e7c48bf809545a391bdfecc7d8c7f91308010462f15f
[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" "5f00020096b7aa35e254e7c48bf809545a391bdfecc7d8c7f91308010462f15f", kill_on_drop: false }`
[INFO] [stderr]    Compiling subtle v2.3.0
[INFO] [stderr]    Compiling arrayvec v0.5.1
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling clear_on_drop v0.2.4
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling thread-id v3.3.0
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling zeroize_derive v0.10.0
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling blake2b_simd v0.5.10
[INFO] [stderr]    Compiling zeroize v0.10.1
[INFO] [stderr]    Compiling curve25519-dalek v1.2.4
[INFO] [stderr]    Compiling mohan v0.0.24
[INFO] [stderr]    Compiling euka v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Hashable`
[INFO] [stdout]  --> src/euka_tree.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |         Hashable
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.23s
[INFO] running `Command { std: "docker" "inspect" "5f00020096b7aa35e254e7c48bf809545a391bdfecc7d8c7f91308010462f15f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f00020096b7aa35e254e7c48bf809545a391bdfecc7d8c7f91308010462f15f", kill_on_drop: false }`
[INFO] [stdout] 5f00020096b7aa35e254e7c48bf809545a391bdfecc7d8c7f91308010462f15f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a8f5e7422a70a1a42384c0483b02a74d29aefa5e2bb860fed9920a79de3e4ff
[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" "4a8f5e7422a70a1a42384c0483b02a74d29aefa5e2bb860fed9920a79de3e4ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling euka v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Hashable`
[INFO] [stdout]  --> src/euka_tree.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |         Hashable
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Hashable`
[INFO] [stdout]  --> src/euka_tree.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |         Hashable
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.41s
[INFO] running `Command { std: "docker" "inspect" "4a8f5e7422a70a1a42384c0483b02a74d29aefa5e2bb860fed9920a79de3e4ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a8f5e7422a70a1a42384c0483b02a74d29aefa5e2bb860fed9920a79de3e4ff", kill_on_drop: false }`
[INFO] [stdout] 4a8f5e7422a70a1a42384c0483b02a74d29aefa5e2bb860fed9920a79de3e4ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2020-10-09" "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] bb8ce004c6857ac44d4dc3d65335e92ebbb701e86eb20de88f8318c29e53a44d
[INFO] running `Command { std: "docker" "start" "-a" "bb8ce004c6857ac44d4dc3d65335e92ebbb701e86eb20de88f8318c29e53a44d", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Hashable`
[INFO] [stderr]  --> src/euka_tree.rs:9:9
[INFO] [stderr]   |
[INFO] [stderr] 9 |         Hashable
[INFO] [stderr]   |         ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Hashable`
[INFO] [stderr]  --> src/euka_tree.rs:9:9
[INFO] [stderr]   |
[INFO] [stderr] 9 |         Hashable
[INFO] [stderr]   |         ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/euka-ee3fc4ccca34fe68
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test capacity::test::test_capacity_zero ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests euka
[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" "bb8ce004c6857ac44d4dc3d65335e92ebbb701e86eb20de88f8318c29e53a44d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb8ce004c6857ac44d4dc3d65335e92ebbb701e86eb20de88f8318c29e53a44d", kill_on_drop: false }`
[INFO] [stdout] bb8ce004c6857ac44d4dc3d65335e92ebbb701e86eb20de88f8318c29e53a44d
