[INFO] fetching crate couchbase 1.0.0-alpha.4...
[INFO] checking couchbase-1.0.0-alpha.4 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] extracting crate couchbase 1.0.0-alpha.4 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate couchbase 1.0.0-alpha.4 on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7/source/rust-toolchain
[INFO] started tweaking crates.io crate couchbase 1.0.0-alpha.4
[INFO] finished tweaking crates.io crate couchbase 1.0.0-alpha.4
[INFO] tweaked toml for crates.io crate couchbase 1.0.0-alpha.4 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate couchbase 1.0.0-alpha.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded polling v0.1.5
[INFO] [stderr]   Downloaded async-mutex v1.1.5
[INFO] [stderr]   Downloaded couchbase-sys v1.0.0-alpha.4
[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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b0a0bfb6dac639727df14616a01071df67e6a1507773f8a43aa86f64daf6f74b
[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" "b0a0bfb6dac639727df14616a01071df67e6a1507773f8a43aa86f64daf6f74b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0a0bfb6dac639727df14616a01071df67e6a1507773f8a43aa86f64daf6f74b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0a0bfb6dac639727df14616a01071df67e6a1507773f8a43aa86f64daf6f74b", kill_on_drop: false }`
[INFO] [stdout] b0a0bfb6dac639727df14616a01071df67e6a1507773f8a43aa86f64daf6f74b
[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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ad6112bcff32cf50f3d550966b7a9fb62557227e8385f5765d8c17a19abc129
[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" "0ad6112bcff32cf50f3d550966b7a9fb62557227e8385f5765d8c17a19abc129", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr] note: Switching to Edition 2021 will enable the use of the version 2 feature resolver in Cargo.
[INFO] [stderr] This may cause some dependencies to be built with fewer features enabled than previously.
[INFO] [stderr] More information about the resolver changes may be found at https://doc.rust-lang.org/nightly/edition-guide/rust-2021/default-cargo-resolver.html
[INFO] [stderr] When building the following dependencies, the given features will no longer be used:
[INFO] [stderr] 
[INFO] [stderr]   crossbeam-utils v0.7.2: default
[INFO] [stderr]   futures-channel v0.3.5: default
[INFO] [stderr]   futures-core v0.3.5: default
[INFO] [stderr]   futures-io v0.3.5: default
[INFO] [stderr]   log v0.4.11: kv_unstable, std
[INFO] [stderr]   log v0.4.11 (as host dependency): kv_unstable
[INFO] [stderr]   once_cell v1.4.1: default
[INFO] [stderr] 
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]    Compiling bindgen v0.54.0
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]     Checking fastrand v1.3.4
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]     Checking pin-project-lite v0.1.7
[INFO] [stderr]     Checking waker-fn v1.0.0
[INFO] [stderr]     Checking event-listener v2.4.0
[INFO] [stderr]     Checking async-task v3.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]     Checking vec-arena v0.5.2
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking parking v1.0.6
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling couchbase v1.0.0-alpha.4 (/tmp/fixit)
[INFO] [stderr]    Migrating build.rs from 2018 edition to 2021
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking async-mutex v1.1.5
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking futures-lite v0.1.11
[INFO] [stderr]     Checking multitask v0.2.0
[INFO] [stderr]     Checking async-channel v1.4.0
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]    Compiling clang-sys v0.29.3
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking crossbeam-channel v0.4.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking blocking v0.5.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]     Checking polling v0.1.5
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking async-io v0.1.11
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking async-executor v0.1.2
[INFO] [stderr]     Checking async-std v1.6.3
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking parse_duration v2.1.0
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling snafu-derive v0.6.8
[INFO] [stderr]     Checking pin-project v0.4.23
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking snafu v0.6.8
[INFO] [stderr]    Compiling couchbase-sys v1.0.0-alpha.4
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/ping.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/search.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/kv.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/analytics.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/query_async.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/subdoc.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/kv.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/query.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/query.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/users.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/multi_bucket.rs from 2018 edition to 2021
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 54s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]    Compiling couchbase v1.0.0-alpha.4 (/tmp/fixit)
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]    Compiling bindgen v0.54.0
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]    Compiling couchbase-sys v1.0.0-alpha.4
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 53.49s
[INFO] running `Command { std: "docker" "inspect" "0ad6112bcff32cf50f3d550966b7a9fb62557227e8385f5765d8c17a19abc129", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ad6112bcff32cf50f3d550966b7a9fb62557227e8385f5765d8c17a19abc129", kill_on_drop: false }`
[INFO] [stdout] 0ad6112bcff32cf50f3d550966b7a9fb62557227e8385f5765d8c17a19abc129