[INFO] fetching crate jsonwebtolkien 1.0.0...
[INFO] extracting crate jsonwebtolkien 1.0.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/jsonwebtolkien/1.0.0
[INFO] extracting crate jsonwebtolkien 1.0.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/jsonwebtolkien/1.0.0
[INFO] validating manifest of jsonwebtolkien-1.0.0 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 jsonwebtolkien-1.0.0 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 jsonwebtolkien-1.0.0
[INFO] finished frobbing jsonwebtolkien-1.0.0
[INFO] frobbed toml for jsonwebtolkien-1.0.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/jsonwebtolkien/1.0.0/Cargo.toml
[INFO] started frobbing jsonwebtolkien-1.0.0
[INFO] finished frobbing jsonwebtolkien-1.0.0
[INFO] frobbed toml for jsonwebtolkien-1.0.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/jsonwebtolkien/1.0.0/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] 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] [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" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing jsonwebtolkien-1.0.0 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/jsonwebtolkien/1.0.0:/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 3ddfd380236c7087464023583a83e6da1423acf972b01c866ed22b7b8b2651ae
[INFO] running `"docker" "start" "-a" "3ddfd380236c7087464023583a83e6da1423acf972b01c866ed22b7b8b2651ae"`
[INFO] [stderr]    Compiling jsonwebtolkien v1.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/crypto.rs:77:19
[INFO] [stderr]    |
[INFO] [stderr] 77 |     alg: &'static signature::RsaEncoding,
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn signature::RsaEncoding`
[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/errors.rs:100:32
[INFO] [stderr]     |
[INFO] [stderr] 100 |     fn cause(&self) -> Option<&StdError> {
[INFO] [stderr]     |                                ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.47s
[INFO] running `"docker" "inspect" "3ddfd380236c7087464023583a83e6da1423acf972b01c866ed22b7b8b2651ae"`
[INFO] running `"docker" "rm" "-f" "3ddfd380236c7087464023583a83e6da1423acf972b01c866ed22b7b8b2651ae"`
[INFO] [stdout] 3ddfd380236c7087464023583a83e6da1423acf972b01c866ed22b7b8b2651ae
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/jsonwebtolkien/1.0.0:/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 197efc98fa9e48c2a1fbda57ebf4e4faec275971ac10a6cd07182f4effdc5483
[INFO] running `"docker" "start" "-a" "197efc98fa9e48c2a1fbda57ebf4e4faec275971ac10a6cd07182f4effdc5483"`
[INFO] [stderr]    Compiling jsonwebtolkien v1.0.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0463]: can't find crate for `jsonwebtoken`
[INFO] [stderr]  --> tests/rsa.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | extern crate jsonwebtoken;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: Could not compile `jsonwebtolkien`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0463]: can't find crate for `jwt`
[INFO] [stderr]  --> examples/validation.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | extern crate jsonwebtoken as jwt;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: Could not compile `jsonwebtolkien`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0463]: can't find crate for `jwt`
[INFO] [stderr]  --> examples/custom_header.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | extern crate jsonwebtoken as jwt;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error[E0463]: can't find crate for `jsonwebtoken`
[INFO] [stderr]  --> tests/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | extern crate jsonwebtoken;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `jsonwebtolkien`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error[E0463]: can't find crate for `jsonwebtoken`
[INFO] [stderr]  --> tests/ecdsa.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | extern crate jsonwebtoken;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `jsonwebtolkien`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: Could not compile `jsonwebtolkien`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/crypto.rs:77:19
[INFO] [stderr]    |
[INFO] [stderr] 77 |     alg: &'static signature::RsaEncoding,
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn signature::RsaEncoding`
[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/errors.rs:100:32
[INFO] [stderr]     |
[INFO] [stderr] 100 |     fn cause(&self) -> Option<&StdError> {
[INFO] [stderr]     |                                ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "197efc98fa9e48c2a1fbda57ebf4e4faec275971ac10a6cd07182f4effdc5483"`
[INFO] running `"docker" "rm" "-f" "197efc98fa9e48c2a1fbda57ebf4e4faec275971ac10a6cd07182f4effdc5483"`
[INFO] [stdout] 197efc98fa9e48c2a1fbda57ebf4e4faec275971ac10a6cd07182f4effdc5483