[INFO] fetching crate zcash_history 0.2.0...
[INFO] testing zcash_history-0.2.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate zcash_history 0.2.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate zcash_history 0.2.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zcash_history 0.2.0
[INFO] finished tweaking crates.io crate zcash_history 0.2.0
[INFO] tweaked toml for crates.io crate zcash_history 0.2.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate zcash_history 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] 147f07a8f7b712884814249038409b18de301d2d339b61b939a0d4e6f7c59ea8
[INFO] running `Command { std: "docker" "start" "-a" "147f07a8f7b712884814249038409b18de301d2d339b61b939a0d4e6f7c59ea8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "147f07a8f7b712884814249038409b18de301d2d339b61b939a0d4e6f7c59ea8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "147f07a8f7b712884814249038409b18de301d2d339b61b939a0d4e6f7c59ea8", kill_on_drop: false }`
[INFO] [stdout] 147f07a8f7b712884814249038409b18de301d2d339b61b939a0d4e6f7c59ea8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--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] ab2f1252ad890eeb48e8655ee2f9c22c86a319fdf8ad66f5fd880f32fc999f20
[INFO] running `Command { std: "docker" "start" "-a" "ab2f1252ad890eeb48e8655ee2f9c22c86a319fdf8ad66f5fd880f32fc999f20", kill_on_drop: false }`
[INFO] [stderr]    Compiling crunchy v0.1.6
[INFO] [stderr]    Compiling arrayvec v0.5.1
[INFO] [stderr]    Compiling blake2b_simd v0.5.10
[INFO] [stderr]    Compiling bigint v4.4.1
[INFO] [stderr]    Compiling zcash_history v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.34s
[INFO] running `Command { std: "docker" "inspect" "ab2f1252ad890eeb48e8655ee2f9c22c86a319fdf8ad66f5fd880f32fc999f20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab2f1252ad890eeb48e8655ee2f9c22c86a319fdf8ad66f5fd880f32fc999f20", kill_on_drop: false }`
[INFO] [stdout] ab2f1252ad890eeb48e8655ee2f9c22c86a319fdf8ad66f5fd880f32fc999f20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7e117a9be1eaff22053c1b8583c16bdcc2f687df3e61ff26f3897d7e3f9197e
[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" "d7e117a9be1eaff22053c1b8583c16bdcc2f687df3e61ff26f3897d7e3f9197e", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-syntax v0.6.16
[INFO] [stderr]    Compiling assert_matches v1.3.0
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling regex v1.3.4
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling quickcheck v0.8.5
[INFO] [stderr]    Compiling zcash_history v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 10.18s
[INFO] running `Command { std: "docker" "inspect" "d7e117a9be1eaff22053c1b8583c16bdcc2f687df3e61ff26f3897d7e3f9197e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7e117a9be1eaff22053c1b8583c16bdcc2f687df3e61ff26f3897d7e3f9197e", kill_on_drop: false }`
[INFO] [stdout] d7e117a9be1eaff22053c1b8583c16bdcc2f687df3e61ff26f3897d7e3f9197e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9739fd336e68e438e1c436c95d3f0e935ea1c967841e6eae83261dc848d67830
[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" "9739fd336e68e438e1c436c95d3f0e935ea1c967841e6eae83261dc848d67830", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/zcash_history-0ceeb68fdfd071d9)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test tree::tests::discrete_append ... ok
[INFO] [stdout] test tree::tests::truncate_generated ... ok
[INFO] [stdout] test tree::tests::truncate_simple ... ok
[INFO] [stdout] test tree::tests::tree_len ... ok
[INFO] [stdout] test node_data::tests::serialization_round_trip ... ok
[INFO] [stdout] test tree::tests::parity ... ok
[INFO] [stdout] test tree::tests::leaf_count ... ok
[INFO] [stdout] test tree::tests::there_and_back ... ok
[INFO] [stdout] test tree::tests::parity_with_truncate ... ok
[INFO] [stdout] test tree::tests::stored_length ... ok
[INFO] [stdout] test tree::tests::tree_len_long ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 4.04s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests zcash_history
[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" "9739fd336e68e438e1c436c95d3f0e935ea1c967841e6eae83261dc848d67830", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9739fd336e68e438e1c436c95d3f0e935ea1c967841e6eae83261dc848d67830", kill_on_drop: false }`
[INFO] [stdout] 9739fd336e68e438e1c436c95d3f0e935ea1c967841e6eae83261dc848d67830