[INFO] crate sparse-merkle-tree 0.1.0-alpha2 is already in cache
[INFO] testing sparse-merkle-tree-0.1.0-alpha2 against 1.38.0 for beta-1.39-1
[INFO] extracting crate sparse-merkle-tree 0.1.0-alpha2 into work/builds/worker-11/source
[INFO] validating manifest of crates.io crate sparse-merkle-tree 0.1.0-alpha2 on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate sparse-merkle-tree 0.1.0-alpha2
[INFO] finished tweaking crates.io crate sparse-merkle-tree 0.1.0-alpha2
[INFO] tweaked toml for crates.io crate sparse-merkle-tree 0.1.0-alpha2 written to work/builds/worker-11/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 009aa409e2c2a0576a58558b22bdf994b42303ab669434d82c22ff59ab3b48fb
[INFO] running `"docker" "start" "-a" "009aa409e2c2a0576a58558b22bdf994b42303ab669434d82c22ff59ab3b48fb"`
[INFO] [stderr]    Compiling blake2b-rs v0.1.5
[INFO] [stderr]    Compiling sparse-merkle-tree v0.1.0-alpha2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.59s
[INFO] running `"docker" "inspect" "009aa409e2c2a0576a58558b22bdf994b42303ab669434d82c22ff59ab3b48fb"`
[INFO] running `"docker" "rm" "-f" "009aa409e2c2a0576a58558b22bdf994b42303ab669434d82c22ff59ab3b48fb"`
[INFO] [stdout] 009aa409e2c2a0576a58558b22bdf994b42303ab669434d82c22ff59ab3b48fb
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] c80c11be740cf348ff99b7397c1f6eeb0e9be977e3ab5108fed3d46aa0b2cf03
[INFO] running `"docker" "start" "-a" "c80c11be740cf348ff99b7397c1f6eeb0e9be977e3ab5108fed3d46aa0b2cf03"`
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling rusty-fork v0.2.2
[INFO] [stderr]    Compiling proptest v0.9.4
[INFO] [stderr]    Compiling sparse-merkle-tree v0.1.0-alpha2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.27s
[INFO] running `"docker" "inspect" "c80c11be740cf348ff99b7397c1f6eeb0e9be977e3ab5108fed3d46aa0b2cf03"`
[INFO] running `"docker" "rm" "-f" "c80c11be740cf348ff99b7397c1f6eeb0e9be977e3ab5108fed3d46aa0b2cf03"`
[INFO] [stdout] c80c11be740cf348ff99b7397c1f6eeb0e9be977e3ab5108fed3d46aa0b2cf03
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 72ebc1facd436ed90d5451c3c8e852a080d79b4299003b743c7a5eafd74ad349
[INFO] running `"docker" "start" "-a" "72ebc1facd436ed90d5451c3c8e852a080d79b4299003b743c7a5eafd74ad349"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.46s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/sparse_merkle_tree-8d6dc376e44b9d9c
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::test_default_root ... ok
[INFO] [stdout] test tests::test_random_merkle_proof_default ... ok
[INFO] [stdout] test tests::test_random_update ... ok
[INFO] [stdout] test tests::test_random_compress_proof ... ok
[INFO] [stdout] test tests::test_random_merkle_proof ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sparse-merkle-tree
[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 `"docker" "inspect" "72ebc1facd436ed90d5451c3c8e852a080d79b4299003b743c7a5eafd74ad349"`
[INFO] running `"docker" "rm" "-f" "72ebc1facd436ed90d5451c3c8e852a080d79b4299003b743c7a5eafd74ad349"`
[INFO] [stdout] 72ebc1facd436ed90d5451c3c8e852a080d79b4299003b743c7a5eafd74ad349