[INFO] fetching crate mugle_pool 5.2.0-alpha.5...
[INFO] checking mugle_pool-5.2.0-alpha.5 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate mugle_pool 5.2.0-alpha.5 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate mugle_pool 5.2.0-alpha.5 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 mugle_pool 5.2.0-alpha.5
[INFO] finished tweaking crates.io crate mugle_pool 5.2.0-alpha.5
[INFO] tweaked toml for crates.io crate mugle_pool 5.2.0-alpha.5 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 190 packages
[INFO] [stderr]       Adding arc-swap v0.4.8 (latest: v1.7.1)
[INFO] [stderr]       Adding arrayvec v0.3.25 (latest: v0.7.4)
[INFO] [stderr]       Adding arrayvec v0.4.12 (latest: v0.7.4)
[INFO] [stderr]       Adding autocfg v0.1.8 (latest: v1.2.0)
[INFO] [stderr]       Adding base64 v0.12.3 (latest: v0.22.0)
[INFO] [stderr]       Adding bindgen v0.56.0 (latest: v0.69.4)
[INFO] [stderr]       Adding bitflags v0.9.1 (latest: v2.5.0)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding block-buffer v0.9.0 (latest: v0.10.4)
[INFO] [stderr]       Adding bytes v0.5.6 (latest: v1.6.0)
[INFO] [stderr]       Adding cexpr v0.4.0 (latest: v0.6.0)
[INFO] [stderr]       Adding cfg-if v0.1.10 (latest: v1.0.0)
[INFO] [stderr]       Adding clap v2.34.0 (latest: v4.5.4)
[INFO] [stderr]       Adding cloudabi v0.0.3 (latest: v0.1.0)
[INFO] [stderr]       Adding constant_time_eq v0.1.5 (latest: v0.3.0)
[INFO] [stderr]       Adding croaring v0.4.6 (latest: v1.0.1)
[INFO] [stderr]       Adding croaring-sys v0.4.6 (latest: v1.1.0)
[INFO] [stderr]       Adding digest v0.9.0 (latest: v0.10.7)
[INFO] [stderr]       Adding env_logger v0.8.4 (latest: v0.11.3)
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.0.0)
[INFO] [stderr]       Adding hashbrown v0.12.3 (latest: v0.14.3)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (latest: v0.3.9)
[INFO] [stderr]       Adding hmac v0.11.0 (latest: v0.12.1)
[INFO] [stderr]       Adding humantime v1.3.0 (latest: v2.1.0)
[INFO] [stderr]       Adding indexmap v1.9.3 (latest: v2.2.6)
[INFO] [stderr]       Adding linux-raw-sys v0.4.13 (latest: v0.6.4)
[INFO] [stderr]       Adding lock_api v0.3.4 (latest: v0.4.11)
[INFO] [stderr]       Adding log4rs v0.12.0 (latest: v1.3.0)
[INFO] [stderr]       Adding nom v5.1.3 (latest: v7.1.3)
[INFO] [stderr]       Adding num v0.2.1 (latest: v0.4.1)
[INFO] [stderr]       Adding num-bigint v0.2.6 (latest: v0.4.4)
[INFO] [stderr]       Adding num-complex v0.2.4 (latest: v0.4.5)
[INFO] [stderr]       Adding num-rational v0.2.4 (latest: v0.4.1)
[INFO] [stderr]       Adding num-traits v0.1.43 (latest: v0.2.18)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding odds v0.2.26 (latest: v0.4.0)
[INFO] [stderr]       Adding ordered-float v1.1.1 (latest: v4.2.0)
[INFO] [stderr]       Adding parking_lot v0.10.2 (latest: v0.12.1)
[INFO] [stderr]       Adding parking_lot_core v0.7.3 (latest: v0.9.9)
[INFO] [stderr]       Adding password-hash v0.2.3 (latest: v0.5.0)
[INFO] [stderr]       Adding pbkdf2 v0.8.0 (latest: v0.12.2)
[INFO] [stderr]       Adding peeking_take_while v0.1.2 (latest: v1.0.0)
[INFO] [stderr]       Adding quick-error v1.2.3 (latest: v2.0.1)
[INFO] [stderr]       Adding rand v0.5.6 (latest: v0.8.5)
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[INFO] [stderr]       Adding rand_chacha v0.1.1 (latest: v0.3.1)
[INFO] [stderr]       Adding rand_core v0.3.1 (latest: v0.6.4)
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[INFO] [stderr]       Adding rand_hc v0.1.0 (latest: v0.3.2)
[INFO] [stderr]       Adding rand_isaac v0.1.1 (latest: v0.3.0)
[INFO] [stderr]       Adding rand_jitter v0.1.4 (latest: v0.4.0)
[INFO] [stderr]       Adding rand_os v0.1.3 (latest: v0.2.2)
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[INFO] [stderr]       Adding rand_xorshift v0.1.1 (latest: v0.3.0)
[INFO] [stderr]       Adding rdrand v0.4.0 (latest: v0.8.3)
[INFO] [stderr]       Adding redox_syscall v0.1.57 (latest: v0.5.1)
[INFO] [stderr]       Adding ripemd160 v0.9.1 (latest: v0.10.0)
[INFO] [stderr]       Adding serde-value v0.6.0 (latest: v0.7.0)
[INFO] [stderr]       Adding serde_yaml v0.8.26 (latest: v0.9.34+deprecated)
[INFO] [stderr]       Adding sha2 v0.9.9 (latest: v0.10.8)
[INFO] [stderr]       Adding shlex v0.1.1 (latest: v1.3.0)
[INFO] [stderr]       Adding siphasher v0.3.11 (latest: v1.0.1)
[INFO] [stderr]       Adding strsim v0.8.0 (latest: v0.11.1)
[INFO] [stderr]       Adding subtle v2.4.1 (latest: v2.5.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding synstructure v0.12.6 (latest: v0.13.1)
[INFO] [stderr]       Adding textwrap v0.11.0 (latest: v0.16.1)
[INFO] [stderr]       Adding thread-id v3.3.0 (latest: v4.2.1)
[INFO] [stderr]       Adding which v3.1.1 (latest: v6.0.1)
[INFO] [stderr]       Adding windows-core v0.52.0 (latest: v0.55.0)
[INFO] [stderr]       Adding zip v0.5.13 (latest: v0.6.6)
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] f6830174462c262e6268d3a4251ccefc2e0e4bf83cd20a3e17fd8b890ef63cb5
[INFO] running `Command { std: "docker" "start" "-a" "f6830174462c262e6268d3a4251ccefc2e0e4bf83cd20a3e17fd8b890ef63cb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6830174462c262e6268d3a4251ccefc2e0e4bf83cd20a3e17fd8b890ef63cb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6830174462c262e6268d3a4251ccefc2e0e4bf83cd20a3e17fd8b890ef63cb5", kill_on_drop: false }`
[INFO] [stdout] f6830174462c262e6268d3a4251ccefc2e0e4bf83cd20a3e17fd8b890ef63cb5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 8b8569da817914f92d7555300dbc51897804bdb9b8d14733a8351e384b9369d8
[INFO] running `Command { std: "docker" "start" "-a" "8b8569da817914f92d7555300dbc51897804bdb9b8d14733a8351e384b9369d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling regex-syntax v0.8.3
[INFO] [stderr]    Compiling unicode-width v0.1.11
[INFO] [stderr]    Compiling nom v5.1.3
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling libloading v0.8.3
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling bindgen v0.56.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]    Compiling mugle_secp256k1zkp v0.7.12
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking odds v0.2.26
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking crypto-mac v0.11.1
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling clang-sys v1.7.0
[INFO] [stderr]     Checking base64ct v1.6.0
[INFO] [stderr]     Checking arrayvec v0.3.25
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking log-mdc v0.1.0
[INFO] [stderr]     Checking arc-swap v0.4.8
[INFO] [stderr]     Checking rustc-serialize v0.3.25
[INFO] [stderr]     Checking hmac v0.11.0
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking password-hash v0.2.3
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking ripemd160 v0.9.1
[INFO] [stderr]    Compiling rustix v0.38.32
[INFO] [stderr]     Checking siphasher v0.3.11
[INFO] [stderr]     Checking blake2-rfc v0.2.18
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking pbkdf2 v0.8.0
[INFO] [stderr]     Checking linux-raw-sys v0.4.13
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking supercow v0.1.0
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking ordered-float v1.1.1
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]    Compiling liblmdb-sys v0.2.2
[INFO] [stderr]    Compiling regex-automata v0.4.6
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]     Checking parking_lot_core v0.7.3
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking backtrace v0.3.71
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking tempfile v3.10.1
[INFO] [stderr]    Compiling regex v1.10.4
[INFO] [stderr]     Checking lmdb-zero v0.4.4
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]     Checking zeroize v1.7.0
[INFO] [stderr]     Checking thiserror v1.0.58
[INFO] [stderr]     Checking zip v0.5.13
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking serde-value v0.6.0
[INFO] [stderr]     Checking chrono v0.4.37
[INFO] [stderr]     Checking serde_yaml v0.8.26
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]     Checking log4rs v0.12.0
[INFO] [stderr]     Checking mugle_util v5.2.0-alpha.5
[INFO] [stderr]     Checking mugle_keychain v5.2.0-alpha.5
[INFO] [stderr]    Compiling croaring-sys v0.4.6
[INFO] [stderr]     Checking croaring v0.4.6
[INFO] [stderr]     Checking mugle_core v5.2.0-alpha.5
[INFO] [stderr]     Checking mugle_store v5.2.0-alpha.5
[INFO] [stderr]     Checking mugle_pool v5.2.0-alpha.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking mugle_chain v5.2.0-alpha.5
[INFO] [stdout] warning: the item `ChainAdapter` is imported redundantly
[INFO] [stdout]   --> tests/block_reconciliation.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use crate::common::ChainAdapter;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 21 | use crate::common::*;
[INFO] [stdout]    |     ---------------- the item `ChainAdapter` is already imported here
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 54.16s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: mugle_secp256k1zkp v0.7.12, traitobject v0.1.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "8b8569da817914f92d7555300dbc51897804bdb9b8d14733a8351e384b9369d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b8569da817914f92d7555300dbc51897804bdb9b8d14733a8351e384b9369d8", kill_on_drop: false }`
[INFO] [stdout] 8b8569da817914f92d7555300dbc51897804bdb9b8d14733a8351e384b9369d8