[INFO] crate merkle-cbt 0.2.1 is already in cache
[INFO] extracting crate merkle-cbt 0.2.1 into work/ex/beta-1.37-6/sources/1.36.0/reg/merkle-cbt/0.2.1
[INFO] extracting crate merkle-cbt 0.2.1 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/merkle-cbt/0.2.1
[INFO] validating manifest of merkle-cbt-0.2.1 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of merkle-cbt-0.2.1 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing merkle-cbt-0.2.1
[INFO] finished frobbing merkle-cbt-0.2.1
[INFO] frobbed toml for merkle-cbt-0.2.1 written to work/ex/beta-1.37-6/sources/1.36.0/reg/merkle-cbt/0.2.1/Cargo.toml
[INFO] started frobbing merkle-cbt-0.2.1
[INFO] finished frobbing merkle-cbt-0.2.1
[INFO] frobbed toml for merkle-cbt-0.2.1 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/merkle-cbt/0.2.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing merkle-cbt-0.2.1 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/merkle-cbt/0.2.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] a2afb0ad850c6c73bc16e801a261f565e1c09e4926f9ee09a13f0682564ee53a
[INFO] running `"docker" "start" "-a" "a2afb0ad850c6c73bc16e801a261f565e1c09e4926f9ee09a13f0682564ee53a"`
[INFO] [stderr]    Compiling merkle-cbt v0.2.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `"docker" "inspect" "a2afb0ad850c6c73bc16e801a261f565e1c09e4926f9ee09a13f0682564ee53a"`
[INFO] running `"docker" "rm" "-f" "a2afb0ad850c6c73bc16e801a261f565e1c09e4926f9ee09a13f0682564ee53a"`
[INFO] [stdout] a2afb0ad850c6c73bc16e801a261f565e1c09e4926f9ee09a13f0682564ee53a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/merkle-cbt/0.2.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 2cc580372f0d56238b4f6d0267d8970dcb774b9ae7547f3476f66a2aa5e9203e
[INFO] running `"docker" "start" "-a" "2cc580372f0d56238b4f6d0267d8970dcb774b9ae7547f3476f66a2aa5e9203e"`
[INFO] [stderr]    Compiling merkle-cbt v0.2.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.17s
[INFO] running `"docker" "inspect" "2cc580372f0d56238b4f6d0267d8970dcb774b9ae7547f3476f66a2aa5e9203e"`
[INFO] running `"docker" "rm" "-f" "2cc580372f0d56238b4f6d0267d8970dcb774b9ae7547f3476f66a2aa5e9203e"`
[INFO] [stdout] 2cc580372f0d56238b4f6d0267d8970dcb774b9ae7547f3476f66a2aa5e9203e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/merkle-cbt/0.2.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] b1c366ec73874d1c5546554833473fc030d0dccea64110586653e7b59fbee1e2
[INFO] running `"docker" "start" "-a" "b1c366ec73874d1c5546554833473fc030d0dccea64110586653e7b59fbee1e2"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/merkle_cbt-8a6004d60a2b5ceb
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test merkle_tree::tests::build_empty ... ok
[INFO] [stdout] test merkle_tree::tests::build_five ... ok
[INFO] [stdout] test merkle_tree::tests::build_one ... ok
[INFO] [stdout] test merkle_tree::tests::build_root_directly ... ok
[INFO] [stdout] test merkle_tree::tests::build_two ... ok
[INFO] [stdout] test merkle_tree::tests::build_proof ... ok
[INFO] [stdout] test merkle_tree::tests::build_root_is_same_as_tree_root ... ok
[INFO] [stdout] test merkle_tree::tests::tree_root_is_same_as_proof_root ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests merkle-cbt
[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" "b1c366ec73874d1c5546554833473fc030d0dccea64110586653e7b59fbee1e2"`
[INFO] running `"docker" "rm" "-f" "b1c366ec73874d1c5546554833473fc030d0dccea64110586653e7b59fbee1e2"`
[INFO] [stdout] b1c366ec73874d1c5546554833473fc030d0dccea64110586653e7b59fbee1e2