[INFO] fetching crate mongobook 0.1.14...
[INFO] checking mongobook-0.1.14 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate mongobook 0.1.14 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate mongobook 0.1.14 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mongobook 0.1.14
[INFO] finished tweaking crates.io crate mongobook 0.1.14
[INFO] tweaked toml for crates.io crate mongobook 0.1.14 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate mongobook 0.1.14 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-macros v1.0.0
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[INFO] [stderr]   Downloaded mongodb v1.1.1
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[INFO] [stderr]   Downloaded parking_lot_core v0.7.2
[INFO] [stderr]   Downloaded crypto-mac v0.7.0
[INFO] [stderr]   Downloaded serde_with_macros v1.3.0
[INFO] [stderr]   Downloaded ipconfig v0.2.2
[INFO] [stderr]   Downloaded futures-core v0.3.9
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[INFO] [stderr]   Downloaded pgn-reader v0.16.0
[INFO] [stderr]   Downloaded btoi v0.4.2
[INFO] [stderr]   Downloaded syn v1.0.58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c1ed2904b3db9eb8a254d21ef33dc3aafda06bb8b3534a9c85545ef8bc6adf67
[INFO] running `Command { std: "docker" "start" "-a" "c1ed2904b3db9eb8a254d21ef33dc3aafda06bb8b3534a9c85545ef8bc6adf67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c1ed2904b3db9eb8a254d21ef33dc3aafda06bb8b3534a9c85545ef8bc6adf67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1ed2904b3db9eb8a254d21ef33dc3aafda06bb8b3534a9c85545ef8bc6adf67", kill_on_drop: false }`
[INFO] [stdout] c1ed2904b3db9eb8a254d21ef33dc3aafda06bb8b3534a9c85545ef8bc6adf67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 39dd0702b9ff8675fc7ba42b6a4290358921bf37a89c805776934ea8d19467e5
[INFO] running `Command { std: "docker" "start" "-a" "39dd0702b9ff8675fc7ba42b6a4290358921bf37a89c805776934ea8d19467e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking futures-core v0.3.9
[INFO] [stderr]     Checking pin-project-lite v0.2.1
[INFO] [stderr]     Checking futures-io v0.3.9
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]     Checking smallvec v1.6.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking tinyvec v1.1.0
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking futures-sink v0.3.9
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking fastrand v1.4.0
[INFO] [stderr]     Checking futures-channel v0.3.9
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking futures-lite v1.11.3
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking futures-task v0.3.9
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling ring v0.16.19
[INFO] [stderr]    Compiling rustversion v1.0.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking unicode-normalization v0.1.16
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking vec-arena v1.0.0
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]     Checking async-task v4.0.3
[INFO] [stderr]     Checking pin-project-lite v0.1.11
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking tokio v0.2.24
[INFO] [stderr]     Checking form_urlencoded v1.0.0
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking nb-connect v1.0.2
[INFO] [stderr]     Checking polling v2.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking object v0.22.0
[INFO] [stderr]    Compiling shakmaty v0.17.1
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]    Compiling err-derive v0.2.4
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]     Checking async-io v1.3.1
[INFO] [stderr]     Checking addr2line v0.14.1
[INFO] [stderr]     Checking num-integer v0.1.44
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[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking btoi v0.4.2
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking resolv-conf v0.7.0
[INFO] [stderr]     Checking rustls v0.17.0
[INFO] [stderr]     Checking parking_lot_core v0.8.2
[INFO] [stderr]     Checking backtrace v0.3.55
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking async-global-executor v1.4.3
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking async-mutex v1.4.0
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking slice-deque v0.3.0
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking thread_local v1.1.0
[INFO] [stderr]    Compiling tokio v1.0.1
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking pgn-reader v0.16.0
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking futures-intrusive v0.3.1
[INFO] [stderr]     Checking webpki-roots v0.18.0
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking pbkdf2 v0.3.0
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]     Checking md-5 v0.8.0
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking tokio-rustls v0.13.1
[INFO] [stderr]     Checking stringprep v0.1.2
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking mio v0.7.7
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking os_info v2.0.8
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking bytes v1.0.0
[INFO] [stderr]     Checking humantime v2.0.1
[INFO] [stderr]     Checking dotenv v0.15.0
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]    Compiling futures-macro v0.3.9
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling serde_with_macros v1.3.0
[INFO] [stderr]     Checking async-std v1.8.0
[INFO] [stderr]     Checking thiserror v1.0.23
[INFO] [stderr]    Compiling tokio-macros v1.0.0
[INFO] [stderr]    Compiling derivative v2.1.3
[INFO] [stderr]     Checking futures-util v0.3.9
[INFO] [stderr]     Checking env_logger v0.8.2
[INFO] [stderr]    Compiling typed-builder v0.3.0
[INFO] [stderr]     Checking futures-executor v0.3.9
[INFO] [stderr]     Checking futures v0.3.9
[INFO] [stderr]     Checking trust-dns-proto v0.19.6
[INFO] [stderr]     Checking trust-dns-resolver v0.19.6
[INFO] [stderr]     Checking serde_with v1.6.0
[INFO] [stderr]     Checking bson v1.1.0
[INFO] [stderr]     Checking pgnparse v0.1.8
[INFO] [stderr]     Checking mongodb v1.1.1
[INFO] [stderr]     Checking mongobook v0.1.14 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 14s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bson v1.1.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "39dd0702b9ff8675fc7ba42b6a4290358921bf37a89c805776934ea8d19467e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39dd0702b9ff8675fc7ba42b6a4290358921bf37a89c805776934ea8d19467e5", kill_on_drop: false }`
[INFO] [stdout] 39dd0702b9ff8675fc7ba42b6a4290358921bf37a89c805776934ea8d19467e5
[INFO] checking mongobook-0.1.14 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate mongobook 0.1.14 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate mongobook 0.1.14 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mongobook 0.1.14
[INFO] finished tweaking crates.io crate mongobook 0.1.14
[INFO] tweaked toml for crates.io crate mongobook 0.1.14 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate mongobook 0.1.14 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ca916e10f6bbe55b416a0d7d2d4f3d5fa103d36e7edb124aa774a854c34907f
[INFO] running `Command { std: "docker" "start" "-a" "1ca916e10f6bbe55b416a0d7d2d4f3d5fa103d36e7edb124aa774a854c34907f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ca916e10f6bbe55b416a0d7d2d4f3d5fa103d36e7edb124aa774a854c34907f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ca916e10f6bbe55b416a0d7d2d4f3d5fa103d36e7edb124aa774a854c34907f", kill_on_drop: false }`
[INFO] [stdout] 1ca916e10f6bbe55b416a0d7d2d4f3d5fa103d36e7edb124aa774a854c34907f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c274b885c9789c5bf72ddcf7428284185726fb50126eb31bc324ec4557ee690a
[INFO] running `Command { std: "docker" "start" "-a" "c274b885c9789c5bf72ddcf7428284185726fb50126eb31bc324ec4557ee690a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking futures-core v0.3.9
[INFO] [stderr]     Checking pin-project-lite v0.2.1
[INFO] [stderr]     Checking futures-io v0.3.9
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]     Checking smallvec v1.6.0
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking tinyvec v1.1.0
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking fastrand v1.4.0
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]     Checking futures-sink v0.3.9
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking futures-lite v1.11.3
[INFO] [stderr]     Checking futures-channel v0.3.9
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking futures-task v0.3.9
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking unicode-normalization v0.1.16
[INFO] [stderr]    Compiling rustversion v1.0.4
[INFO] [stderr]    Compiling ring v0.16.19
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]     Checking vec-arena v1.0.0
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking async-task v4.0.3
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking pin-project-lite v0.1.11
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking form_urlencoded v1.0.0
[INFO] [stderr]     Checking tokio v0.2.24
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking polling v2.0.2
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking nb-connect v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]     Checking object v0.22.0
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling shakmaty v0.17.1
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]    Compiling err-derive v0.2.4
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking async-io v1.3.1
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]     Checking addr2line v0.14.1
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]     Checking async-executor v1.4.0
[INFO] [stderr]     Checking async-channel v1.5.1
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking btoi v0.4.2
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking parking_lot_core v0.8.2
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking resolv-conf v0.7.0
[INFO] [stderr]     Checking rustls v0.17.0
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking async-global-executor v1.4.3
[INFO] [stderr]     Checking backtrace v0.3.55
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking async-mutex v1.4.0
[INFO] [stderr]     Checking slice-deque v0.3.0
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking thread_local v1.1.0
[INFO] [stderr]    Compiling tokio v1.0.1
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking pgn-reader v0.16.0
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking futures-intrusive v0.3.1
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[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking hmac v0.7.1
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[INFO] [stderr]     Checking md-5 v0.8.0
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking stringprep v0.1.2
[INFO] [stderr]     Checking mio v0.7.7
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking tokio-rustls v0.13.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking os_info v2.0.8
[INFO] [stderr]     Checking bytes v1.0.0
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking humantime v2.0.1
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking dotenv v0.15.0
[INFO] [stderr]    Compiling futures-macro v0.3.9
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling serde_with_macros v1.3.0
[INFO] [stderr]     Checking async-std v1.8.0
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking futures-util v0.3.9
[INFO] [stderr]     Checking thiserror v1.0.23
[INFO] [stderr]    Compiling derivative v2.1.3
[INFO] [stderr]    Compiling tokio-macros v1.0.0
[INFO] [stderr]     Checking env_logger v0.8.2
[INFO] [stderr]    Compiling typed-builder v0.3.0
[INFO] [stderr]     Checking futures-executor v0.3.9
[INFO] [stderr]     Checking futures v0.3.9
[INFO] [stderr]     Checking trust-dns-proto v0.19.6
[INFO] [stderr]     Checking trust-dns-resolver v0.19.6
[INFO] [stderr]     Checking serde_with v1.6.0
[INFO] [stderr]     Checking bson v1.1.0
[INFO] [stderr]     Checking pgnparse v0.1.8
[INFO] [stderr]     Checking mongodb v1.1.1
[INFO] [stderr]     Checking mongobook v0.1.14 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 22s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bson v1.1.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "c274b885c9789c5bf72ddcf7428284185726fb50126eb31bc324ec4557ee690a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c274b885c9789c5bf72ddcf7428284185726fb50126eb31bc324ec4557ee690a", kill_on_drop: false }`
[INFO] [stdout] c274b885c9789c5bf72ddcf7428284185726fb50126eb31bc324ec4557ee690a