[INFO] fetching crate jsonwebkey-convert 0.1.0...
[INFO] checking jsonwebkey-convert-0.1.0 against master#2ad5292aea6328113b55968b4322528d48261316 for pr-80243
[INFO] extracting crate jsonwebkey-convert 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate jsonwebkey-convert 0.1.0 on toolchain 2ad5292aea6328113b55968b4322528d48261316
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate jsonwebkey-convert 0.1.0
[INFO] finished tweaking crates.io crate jsonwebkey-convert 0.1.0
[INFO] tweaked toml for crates.io crate jsonwebkey-convert 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 260ae8424ec0e550a2e09d6d5adeb912498c4d0adccd828246dfe8b43f88b593
[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" "260ae8424ec0e550a2e09d6d5adeb912498c4d0adccd828246dfe8b43f88b593", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "260ae8424ec0e550a2e09d6d5adeb912498c4d0adccd828246dfe8b43f88b593", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "260ae8424ec0e550a2e09d6d5adeb912498c4d0adccd828246dfe8b43f88b593", kill_on_drop: false }`
[INFO] [stdout] 260ae8424ec0e550a2e09d6d5adeb912498c4d0adccd828246dfe8b43f88b593
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 841b345dc41278039a1ea14b92161d0d74fc0f80deb03a536abeae94844ea50e
[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" "841b345dc41278039a1ea14b92161d0d74fc0f80deb03a536abeae94844ea50e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking base64-url v1.4.8
[INFO] [stderr]     Checking pem v0.8.2
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling syn v1.0.55
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking backtrace v0.3.55
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking simple_asn1 v0.4.1
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking serde v1.0.118
[INFO] [stderr]     Checking serde_json v1.0.60
[INFO] [stderr]     Checking jsonwebkey-convert v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0631]: type mismatch in function arguments
[INFO] [stdout]    --> src/lib.rs:112:53
[INFO] [stdout]     |
[INFO] [stdout] 53  |     Base64Error(#[fail(cause)] base64::DecodeError),
[INFO] [stdout]     |     ----------------------------------------------- found signature of `fn(base64::DecodeError) -> _`
[INFO] [stdout] ...
[INFO] [stdout] 112 |         let n = base64_url::decode(&self.n).map_err(JWKConvertError::Base64Error)?;
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected signature of `fn(base64_url::base64::DecodeError) -> _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0631]: type mismatch in function arguments
[INFO] [stdout]    --> src/lib.rs:113:53
[INFO] [stdout]     |
[INFO] [stdout] 53  |     Base64Error(#[fail(cause)] base64::DecodeError),
[INFO] [stdout]     |     ----------------------------------------------- found signature of `fn(base64::DecodeError) -> _`
[INFO] [stdout] ...
[INFO] [stdout] 113 |         let e = base64_url::decode(&self.e).map_err(JWKConvertError::Base64Error)?;
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected signature of `fn(base64_url::base64::DecodeError) -> _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0631]: type mismatch in function arguments
[INFO] [stdout]    --> src/lib.rs:112:53
[INFO] [stdout]     |
[INFO] [stdout] 53  |     Base64Error(#[fail(cause)] base64::DecodeError),
[INFO] [stdout]     |     ----------------------------------------------- found signature of `fn(base64::DecodeError) -> _`
[INFO] [stdout] ...
[INFO] [stdout] 112 |         let n = base64_url::decode(&self.n).map_err(JWKConvertError::Base64Error)?;
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected signature of `fn(base64_url::base64::DecodeError) -> _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0631]: type mismatch in function arguments
[INFO] [stdout]    --> src/lib.rs:113:53
[INFO] [stdout]     |
[INFO] [stdout] 53  |     Base64Error(#[fail(cause)] base64::DecodeError),
[INFO] [stdout]     |     ----------------------------------------------- found signature of `fn(base64::DecodeError) -> _`
[INFO] [stdout] ...
[INFO] [stdout] 113 |         let e = base64_url::decode(&self.e).map_err(JWKConvertError::Base64Error)?;
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected signature of `fn(base64_url::base64::DecodeError) -> _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0631`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `jsonwebkey-convert`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0631`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "841b345dc41278039a1ea14b92161d0d74fc0f80deb03a536abeae94844ea50e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "841b345dc41278039a1ea14b92161d0d74fc0f80deb03a536abeae94844ea50e", kill_on_drop: false }`
[INFO] [stdout] 841b345dc41278039a1ea14b92161d0d74fc0f80deb03a536abeae94844ea50e