[INFO] fetching crate jsonwebkey-convert 0.1.0...
[INFO] checking jsonwebkey-convert-0.1.0 against try#8b72f65b805cbe4c261de45030d663f524f27376 for pr-78991
[INFO] extracting crate jsonwebkey-convert 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate jsonwebkey-convert 0.1.0 on toolchain 8b72f65b805cbe4c261de45030d663f524f27376
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "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-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 526670d23f39a4ca4dacc8c16188478910b00216fa220656b18babea3239e96a
[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" "526670d23f39a4ca4dacc8c16188478910b00216fa220656b18babea3239e96a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "526670d23f39a4ca4dacc8c16188478910b00216fa220656b18babea3239e96a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "526670d23f39a4ca4dacc8c16188478910b00216fa220656b18babea3239e96a", kill_on_drop: false }`
[INFO] [stdout] 526670d23f39a4ca4dacc8c16188478910b00216fa220656b18babea3239e96a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0256137a60c6ea364465503e1d041d2d11219bc21631873a43734fb41b633f9
[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" "b0256137a60c6ea364465503e1d041d2d11219bc21631873a43734fb41b633f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking object v0.22.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking base64-url v1.4.8
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking addr2line v0.14.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking backtrace v0.3.54
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking simple_asn1 v0.4.1
[INFO] [stderr]     Checking pem v0.8.1
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking serde v1.0.117
[INFO] [stderr]     Checking serde_json v1.0.59
[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" "b0256137a60c6ea364465503e1d041d2d11219bc21631873a43734fb41b633f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0256137a60c6ea364465503e1d041d2d11219bc21631873a43734fb41b633f9", kill_on_drop: false }`
[INFO] [stdout] b0256137a60c6ea364465503e1d041d2d11219bc21631873a43734fb41b633f9