Nov 17 12:27:03.288 INFO testing RCasatta/authenticated_tree against try#2e026d6e5d7621634147ad4c8074f1d964dbb1be for pr-55982
Nov 17 12:27:03.288 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-2/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +2e026d6e5d7621634147ad4c8074f1d964dbb1be-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 17 12:27:03.763 INFO [stdout] 6ee8ca3bc6a32c93b19190edfe38276d6649c4dee39b6a7c362ea534efbd2493
Nov 17 12:27:03.765 INFO running `"docker" "start" "-a" "6ee8ca3bc6a32c93b19190edfe38276d6649c4dee39b6a7c362ea534efbd2493"`
Nov 17 12:27:05.119 INFO [stderr] usermod: no changes
Nov 17 12:27:05.263 INFO [stderr]    Compiling rand v0.5.2
Nov 17 12:27:09.875 INFO [stderr]    Compiling authenticated_tree v0.1.0 (/source)
Nov 17 12:27:10.937 INFO [stderr] warning: method is never used: `update`
Nov 17 12:27:10.937 INFO [stderr]   --> src/main.rs:54:5
Nov 17 12:27:10.937 INFO [stderr]    |
Nov 17 12:27:10.938 INFO [stderr] 54 |     fn update(&mut self) {
Nov 17 12:27:10.938 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Nov 17 12:27:10.938 INFO [stderr]    |
Nov 17 12:27:10.939 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 17 12:27:10.939 INFO [stderr] 
Nov 17 12:27:10.939 INFO [stderr] warning: method is never used: `hash`
Nov 17 12:27:10.939 INFO [stderr]    --> src/main.rs:238:5
Nov 17 12:27:10.940 INFO [stderr]     |
Nov 17 12:27:10.940 INFO [stderr] 238 |     pub fn hash(&self) -> Sha256Hash {
Nov 17 12:27:10.940 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:27:10.940 INFO [stderr] 
Nov 17 12:27:12.219 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.06s
Nov 17 12:27:12.219 INFO [stderr] su: No module specific data is present
Nov 17 12:27:13.044 INFO running `"docker" "inspect" "6ee8ca3bc6a32c93b19190edfe38276d6649c4dee39b6a7c362ea534efbd2493"`
Nov 17 12:27:13.424 INFO running `"docker" "rm" "-f" "6ee8ca3bc6a32c93b19190edfe38276d6649c4dee39b6a7c362ea534efbd2493"`
Nov 17 12:27:13.798 INFO [stdout] 6ee8ca3bc6a32c93b19190edfe38276d6649c4dee39b6a7c362ea534efbd2493
Nov 17 12:27:13.807 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-2/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +2e026d6e5d7621634147ad4c8074f1d964dbb1be-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 17 12:27:14.200 INFO [stdout] ca5a575860b478c12a48add9c3fee60ef5fa47d16542482f5d50c1baef017c88
Nov 17 12:27:14.211 INFO running `"docker" "start" "-a" "ca5a575860b478c12a48add9c3fee60ef5fa47d16542482f5d50c1baef017c88"`
Nov 17 12:27:15.278 INFO [stderr] usermod: no changes
Nov 17 12:27:15.375 INFO [stderr]    Compiling authenticated_tree v0.1.0 (/source)
Nov 17 12:27:16.471 INFO [stderr] warning: method is never used: `update`
Nov 17 12:27:16.471 INFO [stderr]   --> src/main.rs:54:5
Nov 17 12:27:16.471 INFO [stderr]    |
Nov 17 12:27:16.471 INFO [stderr] 54 |     fn update(&mut self) {
Nov 17 12:27:16.471 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
Nov 17 12:27:16.471 INFO [stderr]    |
Nov 17 12:27:16.471 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 17 12:27:16.471 INFO [stderr] 
Nov 17 12:27:16.471 INFO [stderr] warning: method is never used: `hash`
Nov 17 12:27:16.471 INFO [stderr]    --> src/main.rs:238:5
Nov 17 12:27:16.471 INFO [stderr]     |
Nov 17 12:27:16.471 INFO [stderr] 238 |     pub fn hash(&self) -> Sha256Hash {
Nov 17 12:27:16.471 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 12:27:16.472 INFO [stderr] 
Nov 17 12:27:17.619 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.30s
Nov 17 12:27:17.623 INFO [stderr] su: No module specific data is present
Nov 17 12:27:18.618 INFO running `"docker" "inspect" "ca5a575860b478c12a48add9c3fee60ef5fa47d16542482f5d50c1baef017c88"`
Nov 17 12:27:18.901 INFO running `"docker" "rm" "-f" "ca5a575860b478c12a48add9c3fee60ef5fa47d16542482f5d50c1baef017c88"`
Nov 17 12:27:19.115 INFO [stdout] ca5a575860b478c12a48add9c3fee60ef5fa47d16542482f5d50c1baef017c88
Nov 17 12:27:19.119 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-2/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +2e026d6e5d7621634147ad4c8074f1d964dbb1be-alt test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 17 12:27:19.652 INFO [stdout] 8fa53cc1239000afb6fdcefe0b77adb569c6ab95f3c5d90a8445620243f31ea7
Nov 17 12:27:19.663 INFO running `"docker" "start" "-a" "8fa53cc1239000afb6fdcefe0b77adb569c6ab95f3c5d90a8445620243f31ea7"`
Nov 17 12:27:20.690 INFO [stderr] usermod: no changes
Nov 17 12:27:20.787 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
Nov 17 12:27:20.787 INFO [stderr]      Running /target/debug/deps/authenticated_tree-277b7a063c5b75a2
Nov 17 12:27:20.796 INFO [stdout] 
Nov 17 12:27:20.796 INFO [stdout] running 5 tests
Nov 17 12:27:20.796 INFO [stdout] test tests::test_varint ... ok
Nov 17 12:27:20.799 INFO [stdout] test tests::test_serialize ... ok
Nov 17 12:27:20.799 INFO [stdout] test tests::test_tree ... ok
Nov 17 12:27:20.799 INFO [stdout] test tests::test_hash ... ok
Nov 17 12:27:20.883 INFO [stdout] test tests::fake_bench ... ok
Nov 17 12:27:20.883 INFO [stderr] su: No module specific data is present
Nov 17 12:27:20.883 INFO [stdout] 
Nov 17 12:27:20.883 INFO [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 17 12:27:20.884 INFO [stdout] 
Nov 17 12:27:21.475 INFO running `"docker" "inspect" "8fa53cc1239000afb6fdcefe0b77adb569c6ab95f3c5d90a8445620243f31ea7"`
Nov 17 12:27:21.717 INFO running `"docker" "rm" "-f" "8fa53cc1239000afb6fdcefe0b77adb569c6ab95f3c5d90a8445620243f31ea7"`
Nov 17 12:27:21.943 INFO [stdout] 8fa53cc1239000afb6fdcefe0b77adb569c6ab95f3c5d90a8445620243f31ea7