[INFO] fetching crate nats 0.8.0...
[INFO] checking nats-0.8.0 against try#b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f for pr-76104
[INFO] extracting crate nats 0.8.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate nats 0.8.0 on toolchain b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nats 0.8.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate nats 0.8.0
[INFO] tweaked toml for crates.io crate nats 0.8.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate nats 0.8.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustls-native-certs v0.4.0
[INFO] [stderr]   Downloaded async-rwlock v1.1.0
[INFO] [stderr]   Downloaded async-semaphore v1.1.0
[INFO] [stderr]   Downloaded rustls v0.18.0
[INFO] [stderr]   Downloaded security-framework v1.0.0
[INFO] [stderr]   Downloaded simple-mutex v1.1.5
[INFO] [stderr]   Downloaded futures-lite v1.4.0
[INFO] [stderr]   Downloaded base64-url v1.4.6
[INFO] [stderr]   Downloaded async-fs v1.2.1
[INFO] [stderr]   Downloaded async-barrier v1.0.1
[INFO] [stderr]   Downloaded smol v1.0.0
[INFO] [stderr]   Downloaded polling v1.0.1
[INFO] [stderr]   Downloaded async-io v1.0.1
[INFO] [stderr]   Downloaded async-executor v1.0.0
[INFO] [stderr]   Downloaded async-process v1.0.0
[INFO] [stderr]   Downloaded security-framework-sys v1.0.0
[INFO] [stderr]   Downloaded async-lock v2.1.2
[INFO] [stderr]   Downloaded async-net v1.2.0
[INFO] [stderr]   Downloaded async-tls v0.10.0
[INFO] [stderr]   Downloaded async-dup v1.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8192c134cab41a355837975706eb43745a295315349465014caf694b3c85c5cc
[INFO] running `Command { std: "docker" "start" "-a" "8192c134cab41a355837975706eb43745a295315349465014caf694b3c85c5cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8192c134cab41a355837975706eb43745a295315349465014caf694b3c85c5cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8192c134cab41a355837975706eb43745a295315349465014caf694b3c85c5cc", kill_on_drop: false }`
[INFO] [stdout] 8192c134cab41a355837975706eb43745a295315349465014caf694b3c85c5cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4d7609bdfca15b47fcd6218b54f5e7120fb9a0f7156f352108990472c26485bd
[INFO] running `Command { std: "docker" "start" "-a" "4d7609bdfca15b47fcd6218b54f5e7120fb9a0f7156f352108990472c26485bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
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[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
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[INFO] [stderr]    Compiling num-traits v0.2.12
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[INFO] [stderr]     Checking async-semaphore v1.1.0
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[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.3
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[INFO] [stderr]     Checking rand_core v0.3.1
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[INFO] [stderr]    Compiling rand_chacha v0.1.1
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[INFO] [stderr]    Compiling rustc_version v0.2.3
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[INFO] [stderr]     Checking aho-corasick v0.7.13
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[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]    Compiling ring v0.16.15
[INFO] [stderr]    Compiling clear_on_drop v0.2.4
[INFO] [stderr]     Checking regex-automata v0.1.9
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[INFO] [stderr]     Checking atty v0.2.14
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[INFO] [stderr]    Compiling structopt-derive v0.2.18
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[INFO] [stderr]     Checking ed25519 v1.0.0-pre.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking rand_chacha v0.2.2
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[INFO] [stderr]    Compiling curve25519-dalek v1.2.4
[INFO] [stderr]     Checking async-net v1.2.0
[INFO] [stderr]     Checking async-process v1.0.0
[INFO] [stderr]     Checking rand v0.7.3
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[INFO] [stderr]     Checking nuid v0.2.1
[INFO] [stderr]     Checking smol v1.0.0
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking webpki v0.21.3
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking webpki-roots v0.20.0
[INFO] [stderr]     Checking rustls v0.18.0
[INFO] [stderr]     Checking async-tls v0.10.0
[INFO] [stderr]     Checking rustls-native-certs v0.4.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]    Compiling structopt-derive v0.4.8
[INFO] [stderr]     Checking ed25519-dalek v1.0.0-pre.2
[INFO] [stderr]     Checking exitfailure v0.5.1
[INFO] [stderr]     Checking clap-verbosity-flag v0.2.0
[INFO] [stderr]     Checking signatory-dalek v0.18.1
[INFO] [stderr]     Checking nkeys v0.0.9
[INFO] [stderr]     Checking nats v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking structopt v0.3.15
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking globset v0.4.5
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking ignore v0.4.16
[INFO] [stderr]     Checking tinytemplate v1.1.0
[INFO] [stderr]     Checking criterion v0.3.3
[INFO] [stderr]     Checking globwalk v0.3.1
[INFO] [stderr]     Checking quicli v0.4.0
[INFO] [stdout] error[E0432]: unresolved import `nats_test_server`
[INFO] [stdout]   --> tests/reconnection.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use nats_test_server::nats_test_server;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^ use of undeclared crate or module `nats_test_server`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nats`
[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" "4d7609bdfca15b47fcd6218b54f5e7120fb9a0f7156f352108990472c26485bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d7609bdfca15b47fcd6218b54f5e7120fb9a0f7156f352108990472c26485bd", kill_on_drop: false }`
[INFO] [stdout] 4d7609bdfca15b47fcd6218b54f5e7120fb9a0f7156f352108990472c26485bd