[INFO] fetching crate potatonet-service-logger 0.4.1...
[INFO] checking potatonet-service-logger-0.4.1 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate potatonet-service-logger 0.4.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate potatonet-service-logger 0.4.1 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate potatonet-service-logger 0.4.1
[INFO] finished tweaking crates.io crate potatonet-service-logger 0.4.1
[INFO] tweaked toml for crates.io crate potatonet-service-logger 0.4.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fastrand v1.4.0
[INFO] [stderr]   Downloaded instant v0.1.7
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[INFO] [stderr]   Downloaded vec-arena v1.0.0
[INFO] [stderr]   Downloaded wepoll-sys v3.0.0
[INFO] [stderr]   Downloaded potatonet-codegen v0.4.3
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[INFO] [stderr]   Downloaded cc v1.0.60
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[INFO] [stderr]   Downloaded wasi v0.9.0+wasi-snapshot-preview1
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[INFO] [stderr]   Downloaded thiserror v1.0.21
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[INFO] [stderr]   Downloaded linked-hash-map v0.5.3
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[INFO] [stderr]   Downloaded fuchsia-cprng v0.1.1
[INFO] [stderr]   Downloaded unicode-normalization v0.1.13
[INFO] [stderr]   Downloaded regex v1.3.9
[INFO] [stderr]   Downloaded idna v0.2.0
[INFO] [stderr]   Downloaded webpki v0.21.3
[INFO] [stderr]   Downloaded winapi-util v0.1.5
[INFO] [stderr]   Downloaded getrandom v0.1.15
[INFO] [stderr]   Downloaded base64 v0.10.1
[INFO] [stderr]   Downloaded enum-as-inner v0.3.3
[INFO] [stderr]   Downloaded sha2 v0.8.2
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[INFO] [stderr]   Downloaded sha-1 v0.8.2
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[INFO] [stderr]   Downloaded base64 v0.11.0
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[INFO] [stderr]   Downloaded byte-tools v0.3.1
[INFO] [stderr]   Downloaded rustls v0.16.0
[INFO] [stderr]   Downloaded typenum v1.12.0
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[INFO] [stderr]   Downloaded hostname v0.3.1
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[INFO] [stderr]   Downloaded thread_local v1.0.1
[INFO] [stderr]   Downloaded async-global-executor v1.3.0
[INFO] [stderr]   Downloaded potatonet-node v0.4.3
[INFO] [stderr]   Downloaded quick-error v1.2.3
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[INFO] [stderr]   Downloaded rand v0.5.6
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[INFO] [stderr]   Downloaded rustversion v1.0.3
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[INFO] [stderr]   Downloaded derivative v1.0.4
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[INFO] [stderr]   Downloaded safemem v0.3.3
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[INFO] [stderr]   Downloaded winreg v0.6.2
[INFO] [stderr]   Downloaded serde_with v1.5.1
[INFO] [stderr]   Downloaded socket2 v0.3.15
[INFO] [stderr]   Downloaded stringprep v0.1.2
[INFO] [stderr]   Downloaded untrusted v0.7.1
[INFO] [stderr]   Downloaded hex v0.4.2
[INFO] [stderr]   Downloaded futures-macro v0.3.6
[INFO] [stderr]   Downloaded heck v0.3.1
[INFO] [stderr]   Downloaded proc-macro-error v1.0.4
[INFO] [stderr]   Downloaded rand_core v0.4.2
[INFO] [stderr]   Downloaded potatonet-bus v0.4.3
[INFO] [stderr]   Downloaded js-sys v0.3.45
[INFO] [stderr]   Downloaded potatonet v0.4.2
[INFO] [stderr]   Downloaded generic-array v0.12.3
[INFO] [stderr]   Downloaded env_logger v0.7.1
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[INFO] [stderr]   Downloaded dotenv v0.15.0
[INFO] [stderr]   Downloaded potatonet-common v0.4.3
[INFO] [stderr]   Downloaded ipconfig v0.2.2
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.68
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[INFO] [stderr]   Downloaded hmac v0.7.1
[INFO] [stderr]   Downloaded err-derive v0.2.4
[INFO] [stderr]   Downloaded bumpalo v3.4.0
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.68
[INFO] [stderr]   Downloaded futures-executor v0.3.6
[INFO] [stderr]   Downloaded serde_with_macros v1.2.2
[INFO] [stderr]   Downloaded ring v0.16.15
[INFO] [stderr]   Downloaded rand_chacha v0.2.2
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[INFO] [stderr]   Downloaded rand v0.7.3
[INFO] [stderr]   Downloaded anyhow v1.0.33
[INFO] [stderr]   Downloaded digest v0.8.1
[INFO] [stderr]   Downloaded opaque-debug v0.2.3
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.9
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[INFO] [stderr]   Downloaded futures-lite v1.10.1
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[INFO] [stderr]   Downloaded rand_core v0.5.1
[INFO] [stderr]   Downloaded potatonet-client v0.4.3
[INFO] [stderr]   Downloaded cache-padded v1.1.1
[INFO] [stderr]   Downloaded parking v2.0.0
[INFO] [stderr]   Downloaded rmp-serde v0.14.4
[INFO] [stderr]   Downloaded ident_case v1.0.1
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[INFO] [stderr]   Downloaded url v2.1.1
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[INFO] [stderr]   Downloaded regex-syntax v0.6.18
[INFO] [stderr]   Downloaded termcolor v1.1.0
[INFO] [stderr]   Downloaded pin-project-lite v0.1.10
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[INFO] [stderr]   Downloaded thiserror-impl v1.0.21
[INFO] [stderr]   Downloaded async-attributes v1.1.1
[INFO] [stderr]   Downloaded async-executor v1.3.0
[INFO] [stderr]   Downloaded waker-fn v1.1.0
[INFO] [stderr]   Downloaded gloo-timers v0.2.1
[INFO] [stderr]   Downloaded kv-log-macro v1.0.7
[INFO] [stderr]   Downloaded async-io v1.1.9
[INFO] [stderr]   Downloaded atomic-waker v1.0.0
[INFO] [stderr]   Downloaded event-listener v2.5.1
[INFO] [stderr]   Downloaded async-channel v1.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1dc0ced162fc77c8dd0b9424099b5288168904e5167425e0990ace5f3423ed18
[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" "1dc0ced162fc77c8dd0b9424099b5288168904e5167425e0990ace5f3423ed18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1dc0ced162fc77c8dd0b9424099b5288168904e5167425e0990ace5f3423ed18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dc0ced162fc77c8dd0b9424099b5288168904e5167425e0990ace5f3423ed18", kill_on_drop: false }`
[INFO] [stdout] 1dc0ced162fc77c8dd0b9424099b5288168904e5167425e0990ace5f3423ed18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f8a842e98f9b298bca903a89deb66f5b2d717810293c6de18fdaa75f73b40a3
[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" "0f8a842e98f9b298bca903a89deb66f5b2d717810293c6de18fdaa75f73b40a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]     Checking futures-core v0.3.6
[INFO] [stderr]     Checking futures-io v0.3.6
[INFO] [stderr]     Checking pin-project-lite v0.1.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling pin-project-internal v0.4.26
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]     Checking futures-sink v0.3.6
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking fastrand v1.4.0
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking vec-arena v1.0.0
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]     Checking async-task v4.0.2
[INFO] [stderr]    Compiling cc v1.0.60
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling anyhow v1.0.33
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]    Compiling rustversion v1.0.3
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]     Checking object v0.20.0
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]     Checking rustc-demangle v0.1.17
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]    Compiling os_info v1.3.3
[INFO] [stderr]     Checking bufstream v0.1.4
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking futures-task v0.3.6
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking futures-channel v0.3.6
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking async-mutex v1.4.0
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking stringprep v0.1.2
[INFO] [stderr]     Checking async-channel v1.5.0
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking nb-connect v1.0.2
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.35
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking polling v2.0.0
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking futures-lite v1.10.1
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking resolv-conf v0.6.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling ring v0.16.15
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking async-executor v1.3.0
[INFO] [stderr]     Checking async-io v1.1.9
[INFO] [stderr]     Checking blocking v1.0.1
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking rmp v0.8.9
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking md-5 v0.8.0
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking addr2line v0.13.0
[INFO] [stderr]     Checking async-global-executor v1.3.0
[INFO] [stderr]     Checking pbkdf2 v0.3.0
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking backtrace v0.3.51
[INFO] [stderr]     Checking webpki v0.21.3
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking rustls v0.16.0
[INFO] [stderr]     Checking webpki-roots v0.18.0
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling futures-macro v0.3.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.21
[INFO] [stderr]    Compiling async-trait v0.1.41
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr]    Compiling potatonet-codegen v0.4.3
[INFO] [stderr]    Compiling typed-builder v0.3.0
[INFO] [stderr]    Compiling derivative v1.0.4
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]     Checking async-std v1.6.5
[INFO] [stderr]    Compiling err-derive v0.2.4
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling serde_with_macros v1.2.2
[INFO] [stderr]     Checking thiserror v1.0.21
[INFO] [stderr]     Checking pin-project v0.4.26
[INFO] [stderr]     Checking futures-util v0.3.6
[INFO] [stderr]     Checking futures-executor v0.3.6
[INFO] [stderr]     Checking futures v0.3.6
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking rmp-serde v0.14.4
[INFO] [stderr]     Checking serde_json v1.0.58
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking serde_with v1.5.1
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]     Checking rmpv v0.4.5
[INFO] [stderr]     Checking potatonet-common v0.4.3
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking bson v0.14.1
[INFO] [stderr]     Checking potatonet-client v0.4.3
[INFO] [stderr]     Checking potatonet-bus v0.4.3
[INFO] [stderr]     Checking potatonet-node v0.4.3
[INFO] [stderr]     Checking trust-dns-proto v0.19.5
[INFO] [stderr]     Checking potatonet v0.4.2
[INFO] [stderr]     Checking trust-dns-resolver v0.19.5
[INFO] [stderr]     Checking mongodb v0.9.2
[INFO] [stderr]     Checking potatonet-service-logger v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `bson::bson`
[INFO] [stdout]  --> src/mongo_backend.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use bson::bson;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bson::bson`
[INFO] [stdout]  --> src/mongo_backend.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use bson::bson;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 07s
[INFO] running `Command { std: "docker" "inspect" "0f8a842e98f9b298bca903a89deb66f5b2d717810293c6de18fdaa75f73b40a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f8a842e98f9b298bca903a89deb66f5b2d717810293c6de18fdaa75f73b40a3", kill_on_drop: false }`
[INFO] [stdout] 0f8a842e98f9b298bca903a89deb66f5b2d717810293c6de18fdaa75f73b40a3