[INFO] cloning repository https://github.com/cesare/rust-msgpack-converter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cesare/rust-msgpack-converter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcesare%2Frust-msgpack-converter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcesare%2Frust-msgpack-converter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1d7405907e07d9f1a8bd1ec946698674f28c3189
[INFO] testing cesare/rust-msgpack-converter against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcesare%2Frust-msgpack-converter" "/workspace/builds/worker-26/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-26/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cesare/rust-msgpack-converter on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cesare/rust-msgpack-converter
[INFO] finished tweaking git repo https://github.com/cesare/rust-msgpack-converter
[INFO] tweaked toml for git repo https://github.com/cesare/rust-msgpack-converter written to /workspace/builds/worker-26/source/Cargo.toml
[INFO] crate git repo https://github.com/cesare/rust-msgpack-converter already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--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-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 25fe835adec98a7be9565dfa3e623175519cdf0773e63cd61e4fcfba3b65b5ad
[INFO] running `Command { std: "docker" "start" "-a" "25fe835adec98a7be9565dfa3e623175519cdf0773e63cd61e4fcfba3b65b5ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25fe835adec98a7be9565dfa3e623175519cdf0773e63cd61e4fcfba3b65b5ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25fe835adec98a7be9565dfa3e623175519cdf0773e63cd61e4fcfba3b65b5ad", kill_on_drop: false }`
[INFO] [stdout] 25fe835adec98a7be9565dfa3e623175519cdf0773e63cd61e4fcfba3b65b5ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7966f1f3ce34f5be58f84f997ea239bba25bd9afc717f22f3022727f3a1bef60
[INFO] running `Command { std: "docker" "start" "-a" "7966f1f3ce34f5be58f84f997ea239bba25bd9afc717f22f3022727f3a1bef60", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-syntax v0.4.0
[INFO] [stderr]    Compiling serde v1.0.4
[INFO] [stderr]    Compiling lazy_static v0.2.8
[INFO] [stderr]    Compiling itoa v0.3.1
[INFO] [stderr]    Compiling dtoa v0.4.1
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling thread-id v3.1.0
[INFO] [stderr]    Compiling unreachable v0.1.1
[INFO] [stderr]    Compiling rmp v0.8.6
[INFO] [stderr]    Compiling thread_local v0.3.3
[INFO] [stderr]    Compiling regex v0.2.1
[INFO] [stderr]    Compiling docopt v0.7.0
[INFO] [stderr]    Compiling serde_json v1.0.2
[INFO] [stderr]    Compiling rmp-serde v0.13.1
[INFO] [stdout] error: type `SliceReader` is private
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rmp-serde-0.13.1/src/lib.rs:285:18
[INFO] [stdout]     |
[INFO] [stdout] 285 |     let mut de = Deserializer::from_slice(input);
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ private type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: type `SliceReader` is private
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rmp-serde-0.13.1/src/lib.rs:286:5
[INFO] [stdout]     |
[INFO] [stdout] 286 |     serde::Deserialize::deserialize(&mut de)
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ private type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: type `SliceReader` is private
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rmp-serde-0.13.1/src/lib.rs:286:37
[INFO] [stdout]     |
[INFO] [stdout] 286 |     serde::Deserialize::deserialize(&mut de)
[INFO] [stdout]     |                                     ^^^^^^^ private type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rmp-serde` due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "7966f1f3ce34f5be58f84f997ea239bba25bd9afc717f22f3022727f3a1bef60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7966f1f3ce34f5be58f84f997ea239bba25bd9afc717f22f3022727f3a1bef60", kill_on_drop: false }`
[INFO] [stdout] 7966f1f3ce34f5be58f84f997ea239bba25bd9afc717f22f3022727f3a1bef60