[INFO] cloning repository https://github.com/max-block/test__rust_mongodb_enum
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/max-block/test__rust_mongodb_enum" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmax-block%2Ftest__rust_mongodb_enum", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmax-block%2Ftest__rust_mongodb_enum'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b5ece6174b5682b54c31c8b6cb8452c90d427bc4
[INFO] checking max-block/test__rust_mongodb_enum against try#82acd1d76add2232e19c1f0feb250d2a19ec6efe for pr-81213
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmax-block%2Ftest__rust_mongodb_enum" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/max-block/test__rust_mongodb_enum on toolchain 82acd1d76add2232e19c1f0feb250d2a19ec6efe
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/max-block/test__rust_mongodb_enum
[INFO] finished tweaking git repo https://github.com/max-block/test__rust_mongodb_enum
[INFO] tweaked toml for git repo https://github.com/max-block/test__rust_mongodb_enum written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/max-block/test__rust_mongodb_enum already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-global-executor v1.2.1
[INFO] [stderr]   Downloaded serde_with v1.4.0
[INFO] [stderr]   Downloaded hashbrown v0.9.0
[INFO] [stderr]   Downloaded async-io v1.1.3
[INFO] [stderr]   Downloaded serde_with_macros v1.1.0
[INFO] [stderr]   Downloaded async-std v1.6.4
[INFO] [stderr]   Downloaded nb-connect v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a1ef28816fb99b71faf3268026ec219925b5041c540eb35bcb9716bed6be4b5
[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" "8a1ef28816fb99b71faf3268026ec219925b5041c540eb35bcb9716bed6be4b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a1ef28816fb99b71faf3268026ec219925b5041c540eb35bcb9716bed6be4b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a1ef28816fb99b71faf3268026ec219925b5041c540eb35bcb9716bed6be4b5", kill_on_drop: false }`
[INFO] [stdout] 8a1ef28816fb99b71faf3268026ec219925b5041c540eb35bcb9716bed6be4b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4ef70a7e0624c4caf725ba9e7e6aeba921709d4e89ffb0157a21df189c59d4e
[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" "f4ef70a7e0624c4caf725ba9e7e6aeba921709d4e89ffb0157a21df189c59d4e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]     Checking hashbrown v0.9.0
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling bitflags v1.2.1
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[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking async-task v3.0.0
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]    Compiling ring v0.16.15
[INFO] [stderr]    Compiling miniz_oxide v0.4.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking futures-channel v0.3.5
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[INFO] [stderr]     Checking log v0.4.11
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[INFO] [stderr]     Checking backtrace v0.3.50
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[INFO] [stderr]     Checking tokio v0.2.22
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[INFO] [stderr]     Checking tokio-rustls v0.13.1
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[INFO] [stdout] error[E0277]: the trait bound `dir_builder::DirBuilder: std::sealed::Sealed` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-std-1.6.4/src/fs/dir_builder.rs:117:10
[INFO] [stdout]     |
[INFO] [stdout] 117 |     impl DirBuilderExt for DirBuilder {
[INFO] [stdout]     |          ^^^^^^^^^^^^^ the trait `std::sealed::Sealed` is not implemented for `dir_builder::DirBuilder`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `dir_entry::DirEntry: std::sealed::Sealed` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-std-1.6.4/src/fs/dir_entry.rs:170:10
[INFO] [stdout]     |
[INFO] [stdout] 170 |     impl DirEntryExt for DirEntry {
[INFO] [stdout]     |          ^^^^^^^^^^^ the trait `std::sealed::Sealed` is not implemented for `dir_entry::DirEntry`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `open_options::OpenOptions: std::sealed::Sealed` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async-std-1.6.4/src/fs/open_options.rs:303:10
[INFO] [stdout]     |
[INFO] [stdout] 303 |     impl OpenOptionsExt for OpenOptions {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^ the trait `std::sealed::Sealed` is not implemented for `open_options::OpenOptions`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `async-std`
[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] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "f4ef70a7e0624c4caf725ba9e7e6aeba921709d4e89ffb0157a21df189c59d4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4ef70a7e0624c4caf725ba9e7e6aeba921709d4e89ffb0157a21df189c59d4e", kill_on_drop: false }`
[INFO] [stdout] f4ef70a7e0624c4caf725ba9e7e6aeba921709d4e89ffb0157a21df189c59d4e