[INFO] crate buffett-crypto 0.1.1 is already in cache
[INFO] extracting crate buffett-crypto 0.1.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/buffett-crypto/0.1.1
[INFO] extracting crate buffett-crypto 0.1.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/buffett-crypto/0.1.1
[INFO] validating manifest of buffett-crypto-0.1.1 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of buffett-crypto-0.1.1 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing buffett-crypto-0.1.1
[INFO] finished frobbing buffett-crypto-0.1.1
[INFO] frobbed toml for buffett-crypto-0.1.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/buffett-crypto/0.1.1/Cargo.toml
[INFO] started frobbing buffett-crypto-0.1.1
[INFO] finished frobbing buffett-crypto-0.1.1
[INFO] frobbed toml for buffett-crypto-0.1.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/buffett-crypto/0.1.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing buffett-crypto-0.1.1 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/buffett-crypto/0.1.1:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 63be5b6c34c4f2376569cfd55053c0c3bad2b66b6ea22c62bcddfe210dbe12c0
[INFO] running `"docker" "start" "-a" "63be5b6c34c4f2376569cfd55053c0c3bad2b66b6ea22c62bcddfe210dbe12c0"`
[INFO] [stderr]    Compiling half v1.3.0
[INFO] [stderr]    Compiling bs58 v0.2.4
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling bincode v1.1.4
[INFO] [stderr]    Compiling serde_cbor v0.9.0
[INFO] [stderr]    Compiling buffett-interface v0.1.0
[INFO] [stderr]    Compiling buffett-crypto v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/signature.rs:95:54
[INFO] [stderr]    |
[INFO] [stderr] 95 | pub fn read_pkcs8(path: &str) -> Result<Vec<u8>, Box<error::Error>> {
[INFO] [stderr]    |                                                      ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/signature.rs:101:56
[INFO] [stderr]     |
[INFO] [stderr] 101 | pub fn read_keypair(path: &str) -> Result<Keypair, Box<error::Error>> {
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.45s
[INFO] running `"docker" "inspect" "63be5b6c34c4f2376569cfd55053c0c3bad2b66b6ea22c62bcddfe210dbe12c0"`
[INFO] running `"docker" "rm" "-f" "63be5b6c34c4f2376569cfd55053c0c3bad2b66b6ea22c62bcddfe210dbe12c0"`
[INFO] [stdout] 63be5b6c34c4f2376569cfd55053c0c3bad2b66b6ea22c62bcddfe210dbe12c0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/buffett-crypto/0.1.1:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 673ec77308cf8cab57b6986a0ad1937012a19c920f63b428e25452f219926766
[INFO] running `"docker" "start" "-a" "673ec77308cf8cab57b6986a0ad1937012a19c920f63b428e25452f219926766"`
[INFO] [stderr]    Compiling buffett-crypto v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/signature.rs:95:54
[INFO] [stderr]    |
[INFO] [stderr] 95 | pub fn read_pkcs8(path: &str) -> Result<Vec<u8>, Box<error::Error>> {
[INFO] [stderr]    |                                                      ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/signature.rs:101:56
[INFO] [stderr]     |
[INFO] [stderr] 101 | pub fn read_keypair(path: &str) -> Result<Keypair, Box<error::Error>> {
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `"docker" "inspect" "673ec77308cf8cab57b6986a0ad1937012a19c920f63b428e25452f219926766"`
[INFO] running `"docker" "rm" "-f" "673ec77308cf8cab57b6986a0ad1937012a19c920f63b428e25452f219926766"`
[INFO] [stdout] 673ec77308cf8cab57b6986a0ad1937012a19c920f63b428e25452f219926766
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/buffett-crypto/0.1.1:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 7afc3359cdce6e24d56bb8757266bd9ebb4be14360907aa1929fa3db236de97a
[INFO] running `"docker" "start" "-a" "7afc3359cdce6e24d56bb8757266bd9ebb4be14360907aa1929fa3db236de97a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/buffett_crypto-c2177a3716dac80d
[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] [stderr]    Doc-tests buffett-crypto
[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" "7afc3359cdce6e24d56bb8757266bd9ebb4be14360907aa1929fa3db236de97a"`
[INFO] running `"docker" "rm" "-f" "7afc3359cdce6e24d56bb8757266bd9ebb4be14360907aa1929fa3db236de97a"`
[INFO] [stdout] 7afc3359cdce6e24d56bb8757266bd9ebb4be14360907aa1929fa3db236de97a