[INFO] crate minicbor 0.4.0 is already in cache
[INFO] testing minicbor-0.4.0 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate minicbor 0.4.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate minicbor 0.4.0 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate minicbor 0.4.0
[INFO] finished tweaking crates.io crate minicbor 0.4.0
[INFO] tweaked toml for crates.io crate minicbor 0.4.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] af83f1dcc3351936298b58bc977f35643f0b48701e177221c83fe5f5b1b245f8
[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" "af83f1dcc3351936298b58bc977f35643f0b48701e177221c83fe5f5b1b245f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af83f1dcc3351936298b58bc977f35643f0b48701e177221c83fe5f5b1b245f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af83f1dcc3351936298b58bc977f35643f0b48701e177221c83fe5f5b1b245f8", kill_on_drop: false }`
[INFO] [stdout] af83f1dcc3351936298b58bc977f35643f0b48701e177221c83fe5f5b1b245f8
[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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5fdf21e22776a1afb475bf11254dc87e00b02db31348e57f2b456e5b9507a79e
[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" "5fdf21e22776a1afb475bf11254dc87e00b02db31348e57f2b456e5b9507a79e", kill_on_drop: false }`
[INFO] [stderr]    Compiling minicbor v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.85s
[INFO] running `Command { std: "docker" "inspect" "5fdf21e22776a1afb475bf11254dc87e00b02db31348e57f2b456e5b9507a79e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fdf21e22776a1afb475bf11254dc87e00b02db31348e57f2b456e5b9507a79e", kill_on_drop: false }`
[INFO] [stdout] 5fdf21e22776a1afb475bf11254dc87e00b02db31348e57f2b456e5b9507a79e
[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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 477e7ff880a31b315466e0b96a08fd9d389b4c6249dd48822d36300f2b9c0556
[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" "477e7ff880a31b315466e0b96a08fd9d389b4c6249dd48822d36300f2b9c0556", kill_on_drop: false }`
[INFO] [stderr]    Compiling minicbor v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.28s
[INFO] running `Command { std: "docker" "inspect" "477e7ff880a31b315466e0b96a08fd9d389b4c6249dd48822d36300f2b9c0556", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "477e7ff880a31b315466e0b96a08fd9d389b4c6249dd48822d36300f2b9c0556", kill_on_drop: false }`
[INFO] [stdout] 477e7ff880a31b315466e0b96a08fd9d389b4c6249dd48822d36300f2b9c0556
[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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9bafe622253501749c1e6e86f12943160a6058c59004cae034d98735321bd54c
[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" "9bafe622253501749c1e6e86f12943160a6058c59004cae034d98735321bd54c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/minicbor-7c0e96d8f606f483
[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 minicbor
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 60) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 40) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 25) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 60) stdout ----
[INFO] [stdout] error[E0277]: the trait bound `minicbor::decode::Error: std::error::Error` is not satisfied
[INFO] [stdout]   --> src/lib.rs:68:46
[INFO] [stdout]    |
[INFO] [stdout] 11 | assert_eq!(data::Tag::DateTime, decoder.tag()?);
[INFO] [stdout]    |                                              ^ the trait `std::error::Error` is not implemented for `minicbor::decode::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: required because of the requirements on the impl of `std::convert::From<minicbor::decode::Error>` for `std::boxed::Box<dyn std::error::Error>`
[INFO] [stdout]    = note: required by `std::convert::From::from`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 40) stdout ----
[INFO] [stdout] error[E0277]: the trait bound `minicbor::encode::Error<minicbor::encode::write::EndOfSlice>: std::error::Error` is not satisfied
[INFO] [stdout]  --> src/lib.rs:45:20
[INFO] [stdout]   |
[INFO] [stdout] 8 | encoder.begin_map()? // using an indefinite map here
[INFO] [stdout]   |                    ^ the trait `std::error::Error` is not implemented for `minicbor::encode::Error<minicbor::encode::write::EndOfSlice>`
[INFO] [stdout]   |
[INFO] [stdout]   = note: required because of the requirements on the impl of `std::convert::From<minicbor::encode::Error<minicbor::encode::write::EndOfSlice>>` for `std::boxed::Box<dyn std::error::Error>`
[INFO] [stdout]   = note: required by `std::convert::From::from`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 25) stdout ----
[INFO] [stdout] error[E0277]: the trait bound `minicbor::encode::Error<minicbor::encode::write::EndOfSlice>: std::error::Error` is not satisfied
[INFO] [stdout]  --> src/lib.rs:30:42
[INFO] [stdout]   |
[INFO] [stdout] 8 | minicbor::encode(&input, buffer.as_mut())?;
[INFO] [stdout]   |                                          ^ the trait `std::error::Error` is not implemented for `minicbor::encode::Error<minicbor::encode::write::EndOfSlice>`
[INFO] [stdout]   |
[INFO] [stdout]   = note: required because of the requirements on the impl of `std::convert::From<minicbor::encode::Error<minicbor::encode::write::EndOfSlice>>` for `std::boxed::Box<dyn std::error::Error>`
[INFO] [stdout]   = note: required by `std::convert::From::from`
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `minicbor::decode::Error: std::error::Error` is not satisfied
[INFO] [stdout]  --> src/lib.rs:31:58
[INFO] [stdout]   |
[INFO] [stdout] 9 | let output: [&str; 2] = minicbor::decode(buffer.as_ref())?;
[INFO] [stdout]   |                                                          ^ the trait `std::error::Error` is not implemented for `minicbor::decode::Error`
[INFO] [stdout]   |
[INFO] [stdout]   = note: required because of the requirements on the impl of `std::convert::From<minicbor::decode::Error>` for `std::boxed::Box<dyn std::error::Error>`
[INFO] [stdout]   = note: required by `std::convert::From::from`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 25)
[INFO] [stdout]     src/lib.rs - (line 40)
[INFO] [stdout]     src/lib.rs - (line 60)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "9bafe622253501749c1e6e86f12943160a6058c59004cae034d98735321bd54c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bafe622253501749c1e6e86f12943160a6058c59004cae034d98735321bd54c", kill_on_drop: false }`
[INFO] [stdout] 9bafe622253501749c1e6e86f12943160a6058c59004cae034d98735321bd54c