[INFO] cloning repository https://github.com/mogrein/RSA_parity_oracle
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mogrein/RSA_parity_oracle" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmogrein%2FRSA_parity_oracle", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmogrein%2FRSA_parity_oracle'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e51b0e8c04dc9e05ba7f838b770929ef2ef420e8
[INFO] checking mogrein/RSA_parity_oracle against try#575650af7d7ca88602df28e39d27bf3e456c306e for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmogrein%2FRSA_parity_oracle" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mogrein/RSA_parity_oracle on toolchain 575650af7d7ca88602df28e39d27bf3e456c306e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mogrein/RSA_parity_oracle
[INFO] finished tweaking git repo https://github.com/mogrein/RSA_parity_oracle
[INFO] tweaked toml for git repo https://github.com/mogrein/RSA_parity_oracle written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/mogrein/RSA_parity_oracle already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive v1.0.76
[INFO] [stderr]   Downloaded nodrop v0.1.12
[INFO] [stderr]   Downloaded mio-uds v0.6.6
[INFO] [stderr]   Downloaded byteorder v1.2.6
[INFO] [stderr]   Downloaded quote v0.6.8
[INFO] [stderr]   Downloaded cfg-if v0.1.5
[INFO] [stderr]   Downloaded actix_derive v0.3.0
[INFO] [stderr]   Downloaded lazycell v1.0.0
[INFO] [stderr]   Downloaded miniz-sys v0.1.10
[INFO] [stderr]   Downloaded error-chain v0.8.1
[INFO] [stderr]   Downloaded crossbeam-channel v0.2.4
[INFO] [stderr]   Downloaded net2 v0.2.33
[INFO] [stderr]   Downloaded tokio-openssl v0.2.1
[INFO] [stderr]   Downloaded h2 v0.1.12
[INFO] [stderr]   Downloaded tokio-codec v0.1.0
[INFO] [stderr]   Downloaded tokio-io v0.1.8
[INFO] [stderr]   Downloaded stable_deref_trait v1.1.1
[INFO] [stderr]   Downloaded arrayvec v0.4.7
[INFO] [stderr]   Downloaded scopeguard v0.3.3
[INFO] [stderr]   Downloaded failure_derive v0.1.2
[INFO] [stderr]   Downloaded phf_codegen v0.7.23
[INFO] [stderr]   Downloaded tokio-udp v0.1.2
[INFO] [stderr]   Downloaded tokio v0.1.8
[INFO] [stderr]   Downloaded serde_urlencoded v0.5.3
[INFO] [stderr]   Downloaded tokio-current-thread v0.1.1
[INFO] [stderr]   Downloaded tokio-timer v0.2.6
[INFO] [stderr]   Downloaded serde_json v1.0.26
[INFO] [stderr]   Downloaded rand v0.5.5
[INFO] [stderr]   Downloaded parking_lot_core v0.3.0
[INFO] [stderr]   Downloaded vcpkg v0.2.6
[INFO] [stderr]   Downloaded winapi v0.2.8
[INFO] [stderr]   Downloaded iovec v0.1.2
[INFO] [stderr]   Downloaded hostname v0.1.5
[INFO] [stderr]   Downloaded resolv-conf v0.6.1
[INFO] [stderr]   Downloaded cookie v0.11.0
[INFO] [stderr]   Downloaded widestring v0.2.2
[INFO] [stderr]   Downloaded lru-cache v0.1.1
[INFO] [stderr]   Downloaded backtrace v0.2.3
[INFO] [stderr]   Downloaded tokio-threadpool v0.1.6
[INFO] [stderr]   Downloaded ucd-util v0.1.1
[INFO] [stderr]   Downloaded brotli2 v0.3.2
[INFO] [stderr]   Downloaded aho-corasick v0.6.8
[INFO] [stderr]   Downloaded phf_shared v0.7.23
[INFO] [stderr]   Downloaded language-tags v0.2.2
[INFO] [stderr]   Downloaded futures-cpupool v0.1.8
[INFO] [stderr]   Downloaded lazycell v0.6.0
[INFO] [stderr]   Downloaded winreg v0.5.1
[INFO] [stderr]   Downloaded ipconfig v0.1.7
[INFO] [stderr]   Downloaded tokio-signal v0.2.5
[INFO] [stderr]   Downloaded safemem v0.2.0
[INFO] [stderr]   Downloaded flate2 v1.0.2
[INFO] [stderr]   Downloaded winapi v0.3.5
[INFO] [stderr]   Downloaded base64 v0.9.2
[INFO] [stderr]   Downloaded backtrace-sys v0.1.24
[INFO] [stderr]   Downloaded memoffset v0.2.1
[INFO] [stderr]   Downloaded foreign-types-shared v0.1.1
[INFO] [stderr]   Downloaded string v0.1.1
[INFO] [stderr]   Downloaded winutil v0.1.1
[INFO] [stderr]   Downloaded dbghelp-sys v0.2.0
[INFO] [stderr]   Downloaded quick-error v1.2.2
[INFO] [stderr]   Downloaded encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]   Downloaded linked-hash-map v0.4.2
[INFO] [stderr]   Downloaded trust-dns-proto v0.4.0
[INFO] [stderr]   Downloaded mio v0.6.15
[INFO] [stderr]   Downloaded trust-dns-resolver v0.9.1
[INFO] [stderr]   Downloaded actix v0.7.4
[INFO] [stderr]   Downloaded unicode-bidi v0.3.4
[INFO] [stderr]   Downloaded futures v0.1.23
[INFO] [stderr]   Downloaded encoding v0.2.33
[INFO] [stderr]   Downloaded matches v0.1.8
[INFO] [stderr]   Downloaded siphasher v0.2.3
[INFO] [stderr]   Downloaded rand v0.4.3
[INFO] [stderr]   Downloaded encoding_index_tests v0.1.4
[INFO] [stderr]   Downloaded syn v0.14.9
[INFO] [stderr]   Downloaded percent-encoding v1.0.1
[INFO] [stderr]   Downloaded uuid v0.6.5
[INFO] [stderr]   Downloaded encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]   Downloaded error-chain v0.1.12
[INFO] [stderr]   Downloaded http v0.1.10
[INFO] [stderr]   Downloaded phf v0.7.23
[INFO] [stderr]   Downloaded regex-syntax v0.6.2
[INFO] [stderr]   Downloaded fuchsia-zircon v0.3.3
[INFO] [stderr]   Downloaded log v0.4.4
[INFO] [stderr]   Downloaded version_check v0.1.4
[INFO] [stderr]   Downloaded lazy_static v1.1.0
[INFO] [stderr]   Downloaded url v1.7.1
[INFO] [stderr]   Downloaded memchr v2.0.2
[INFO] [stderr]   Downloaded brotli-sys v0.3.2
[INFO] [stderr]   Downloaded libc v0.2.43
[INFO] [stderr]   Downloaded socket2 v0.3.8
[INFO] [stderr]   Downloaded sha1 v0.6.0
[INFO] [stderr]   Downloaded htmlescape v0.3.1
[INFO] [stderr]   Downloaded regex v1.0.4
[INFO] [stderr]   Downloaded unicase v2.1.0
[INFO] [stderr]   Downloaded ring v0.13.2
[INFO] [stderr]   Downloaded redox_syscall v0.1.40
[INFO] [stderr]   Downloaded rustc-demangle v0.1.9
[INFO] [stderr]   Downloaded synstructure v0.9.0
[INFO] [stderr]   Downloaded phf_generator v0.7.23
[INFO] [stderr]   Downloaded failure v0.1.2
[INFO] [stderr]   Downloaded mime v0.3.9
[INFO] [stderr]   Downloaded smallvec v0.6.5
[INFO] [stderr]   Downloaded tokio-fs v0.1.3
[INFO] [stderr]   Downloaded rand_core v0.2.1
[INFO] [stderr]   Downloaded fnv v1.0.6
[INFO] [stderr]   Downloaded httparse v1.3.2
[INFO] [stderr]   Downloaded parking_lot v0.6.4
[INFO] [stderr]   Downloaded openssl v0.10.11
[INFO] [stderr]   Downloaded crossbeam-epoch v0.5.2
[INFO] [stderr]   Downloaded num_cpus v1.8.0
[INFO] [stderr]   Downloaded crossbeam-utils v0.5.0
[INFO] [stderr]   Downloaded lock_api v0.1.3
[INFO] [stderr]   Downloaded mime_guess v2.0.0-alpha.6
[INFO] [stderr]   Downloaded untrusted v0.6.2
[INFO] [stderr]   Downloaded unicase v1.4.2
[INFO] [stderr]   Downloaded idna v0.1.5
[INFO] [stderr]   Downloaded backtrace v0.3.9
[INFO] [stderr]   Downloaded crossbeam-deque v0.6.1
[INFO] [stderr]   Downloaded foreign-types v0.3.2
[INFO] [stderr]   Downloaded winapi-build v0.1.1
[INFO] [stderr]   Downloaded miow v0.2.1
[INFO] [stderr]   Downloaded tokio-executor v0.1.4
[INFO] [stderr]   Downloaded cloudabi v0.0.3
[INFO] [stderr]   Downloaded fuchsia-zircon-sys v0.3.3
[INFO] [stderr]   Downloaded tokio-tcp v0.1.1
[INFO] [stderr]   Downloaded unicode-normalization v0.1.7
[INFO] [stderr]   Downloaded actix-web v0.7.4
[INFO] [stderr]   Downloaded tokio-reactor v0.1.5
[INFO] [stderr]   Downloaded encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]   Downloaded pkg-config v0.3.14
[INFO] [stderr]   Downloaded serde v1.0.76
[INFO] [stderr]   Downloaded openssl-sys v0.9.35
[INFO] [stderr]   Downloaded slab v0.4.1
[INFO] [stderr]   Downloaded tokio-uds v0.2.1
[INFO] [stderr]   Downloaded unicode-xid v0.1.0
[INFO] [stderr]   Downloaded unreachable v1.0.0
[INFO] [stderr]   Downloaded owning_ref v0.3.3
[INFO] [stderr]   Downloaded ws2_32-sys v0.2.1
[INFO] [stderr]   Downloaded proc-macro2 v0.4.15
[INFO] [stderr]   Downloaded encoding-index-korean v1.20141219.5
[INFO] [stderr]   Downloaded encoding-index-japanese v1.20141219.5
[INFO] [stderr]   Downloaded bitflags v1.0.4
[INFO] [stderr]   Downloaded cc v1.0.23
[INFO] [stderr]   Downloaded utf8-ranges v1.0.1
[INFO] [stderr]   Downloaded kernel32-sys v0.2.2
[INFO] [stderr]   Downloaded time v0.1.40
[INFO] [stderr]   Downloaded dtoa v0.4.3
[INFO] [stderr]   Downloaded itoa v0.4.2
[INFO] [stderr]   Downloaded bytes v0.4.9
[INFO] [stderr]   Downloaded indexmap v1.0.1
[INFO] [stderr]   Downloaded ryu v0.2.6
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ae7136ea5e2153475a59dcb312200d61023c70b877344315a81678cd6b35d12d
[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" "ae7136ea5e2153475a59dcb312200d61023c70b877344315a81678cd6b35d12d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae7136ea5e2153475a59dcb312200d61023c70b877344315a81678cd6b35d12d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae7136ea5e2153475a59dcb312200d61023c70b877344315a81678cd6b35d12d", kill_on_drop: false }`
[INFO] [stdout] ae7136ea5e2153475a59dcb312200d61023c70b877344315a81678cd6b35d12d
[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=forbid" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eafb11031a6584b904ff379ebceeee94c15ad16812ced6aac913e92204d3749c
[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" "eafb11031a6584b904ff379ebceeee94c15ad16812ced6aac913e92204d3749c", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]    Compiling cc v1.0.23
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.15
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]     Checking rustc-demangle v0.1.9
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling serde v1.0.76
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]    Compiling openssl v0.10.11
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]    Compiling regex v1.0.4
[INFO] [stderr]     Checking htmlescape v0.3.1
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking lazycell v1.0.0
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking tokio-executor v0.1.4
[INFO] [stderr]     Checking base64 v0.9.2
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking smallvec v0.6.5
[INFO] [stderr]    Compiling backtrace v0.2.3
[INFO] [stderr]     Checking tokio-timer v0.2.6
[INFO] [stderr]     Checking tokio-current-thread v0.1.1
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]     Checking socket2 v0.3.8
[INFO] [stderr]     Checking memchr v2.0.2
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking lock_api v0.1.3
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking bytes v0.4.9
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling unicase v2.1.0
[INFO] [stderr]    Compiling actix-web v0.7.4
[INFO] [stderr]     Checking resolv-conf v0.6.1
[INFO] [stderr]     Checking mio v0.6.15
[INFO] [stderr]     Checking aho-corasick v0.6.8
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling openssl-sys v0.9.35
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling ring v0.13.2
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]     Checking uuid v0.6.5
[INFO] [stderr]     Checking tokio-io v0.1.8
[INFO] [stderr]     Checking http v0.1.10
[INFO] [stderr]    Compiling phf_shared v0.7.23
[INFO] [stderr]     Checking url v1.7.1
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]     Checking crossbeam-epoch v0.5.2
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling phf_generator v0.7.23
[INFO] [stderr]     Checking mime v0.3.9
[INFO] [stderr]     Checking phf v0.7.23
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling phf_codegen v0.7.23
[INFO] [stderr]     Checking parking_lot_core v0.3.0
[INFO] [stderr]     Checking mio-uds v0.6.6
[INFO] [stderr]     Checking tokio-codec v0.1.0
[INFO] [stderr]     Checking crossbeam-deque v0.6.1
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking tokio-threadpool v0.1.6
[INFO] [stderr]     Checking backtrace v0.3.9
[INFO] [stderr]     Checking flate2 v1.0.2
[INFO] [stderr]     Checking error-chain v0.1.12
[INFO] [stderr]     Checking tokio-reactor v0.1.5
[INFO] [stderr]     Checking crossbeam-channel v0.2.4
[INFO] [stderr]     Checking tokio-fs v0.1.3
[INFO] [stderr]     Checking tokio-udp v0.1.2
[INFO] [stderr]     Checking tokio-tcp v0.1.1
[INFO] [stderr]     Checking tokio-uds v0.2.1
[INFO] [stderr]     Checking tokio-signal v0.2.5
[INFO] [stderr]     Checking h2 v0.1.12
[INFO] [stderr]     Checking trust-dns-proto v0.4.0
[INFO] [stderr]     Checking tokio v0.1.8
[INFO] [stderr]     Checking tokio-openssl v0.2.1
[INFO] [stderr]     Checking serde_json v1.0.26
[INFO] [stderr]     Checking serde_urlencoded v0.5.3
[INFO] [stderr]     Checking trust-dns-resolver v0.9.1
[INFO] [stderr]     Checking cookie v0.11.0
[INFO] [stderr]     Checking brotli2 v0.3.2
[INFO] [stderr]    Compiling synstructure v0.9.0
[INFO] [stderr]    Compiling failure_derive v0.1.2
[INFO] [stderr]    Compiling actix_derive v0.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.76
[INFO] [stderr]     Checking failure v0.1.2
[INFO] [stderr]     Checking actix v0.7.4
[INFO] [stderr]     Checking padding_oracle v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/crypto.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |         try!(self.rsa.public_encrypt(data.as_slice(), result.as_mut_slice(), self.pad));
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/crypto.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |         try!(self.rsa.private_decrypt(data.as_slice(), result.as_mut_slice(), self.pad));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/crypto.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |         try!(self.rsa.public_encrypt(data.as_slice(), result.as_mut_slice(), self.pad));
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/crypto.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |         try!(self.rsa.private_decrypt(data.as_slice(), result.as_mut_slice(), self.pad));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 20s
[INFO] running `Command { std: "docker" "inspect" "eafb11031a6584b904ff379ebceeee94c15ad16812ced6aac913e92204d3749c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eafb11031a6584b904ff379ebceeee94c15ad16812ced6aac913e92204d3749c", kill_on_drop: false }`
[INFO] [stdout] eafb11031a6584b904ff379ebceeee94c15ad16812ced6aac913e92204d3749c