[INFO] fetching crate ssb-validate 1.4.2...
[INFO] checking ssb-validate-1.4.2 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate ssb-validate 1.4.2 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate ssb-validate 1.4.2 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 ssb-validate 1.4.2
[INFO] finished tweaking crates.io crate ssb-validate 1.4.2
[INFO] tweaked toml for crates.io crate ssb-validate 1.4.2 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]     Updating crates.io index
[INFO] [stderr]      Locking 155 packages
[INFO] [stderr]       Adding aead v0.3.2 (latest: v0.5.2)
[INFO] [stderr]       Adding base64 v0.13.1 (latest: v0.22.0)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding block-buffer v0.7.3 (latest: v0.10.4)
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[INFO] [stderr]       Adding block-padding v0.1.5 (latest: v0.3.3)
[INFO] [stderr]       Adding bytes v0.5.6 (latest: v1.6.0)
[INFO] [stderr]       Adding cipher v0.2.5 (latest: v0.4.4)
[INFO] [stderr]       Adding clap v2.34.0 (latest: v4.5.4)
[INFO] [stderr]       Adding cpuid-bool v0.2.0 (latest: v0.99.99)
[INFO] [stderr]       Adding criterion v0.3.6 (latest: v0.5.1)
[INFO] [stderr]       Adding criterion-plot v0.4.5 (latest: v0.5.0)
[INFO] [stderr]       Adding crypto-mac v0.10.1 (latest: v0.11.1)
[INFO] [stderr]       Adding curve25519-dalek v3.2.1 (latest: v4.1.2)
[INFO] [stderr]       Adding digest v0.8.1 (latest: v0.10.7)
[INFO] [stderr]       Adding digest v0.9.0 (latest: v0.10.7)
[INFO] [stderr]       Adding ed25519 v1.5.3 (latest: v2.2.3)
[INFO] [stderr]       Adding ed25519-dalek v1.0.1 (latest: v2.1.1)
[INFO] [stderr]       Adding encode_unicode v0.3.6 (latest: v1.0.0)
[INFO] [stderr]       Adding env_logger v0.6.2 (latest: v0.11.3)
[INFO] [stderr]       Adding generic-array v0.12.4 (latest: v1.0.0)
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.0.0)
[INFO] [stderr]       Adding getrandom v0.1.16 (latest: v0.2.12)
[INFO] [stderr]       Adding half v1.8.3 (latest: v2.4.0)
[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 v0.10.1 (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 itertools v0.10.5 (latest: v0.12.1)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding opaque-debug v0.2.3 (latest: v0.3.1)
[INFO] [stderr]       Adding poly1305 v0.6.2 (latest: v0.8.0)
[INFO] [stderr]       Adding pretty_env_logger v0.3.1 (latest: v0.5.0)
[INFO] [stderr]       Adding quick-error v1.2.3 (latest: v2.0.1)
[INFO] [stderr]       Adding rand v0.7.3 (latest: v0.8.5)
[INFO] [stderr]       Adding rand_chacha v0.2.2 (latest: v0.3.1)
[INFO] [stderr]       Adding rand_core v0.5.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_hc v0.2.0 (latest: v0.3.2)
[INFO] [stderr]       Adding salsa20 v0.7.2 (latest: v0.10.2)
[INFO] [stderr]       Adding serde_cbor v0.10.2 (latest: v0.11.2)
[INFO] [stderr]       Adding sha2 v0.8.2 (latest: v0.10.8)
[INFO] [stderr]       Adding sha2 v0.9.9 (latest: v0.10.8)
[INFO] [stderr]       Adding signature v1.6.4 (latest: v2.2.0)
[INFO] [stderr]       Adding snafu v0.6.10 (latest: v0.8.2)
[INFO] [stderr]       Adding snafu-derive v0.6.10 (latest: v0.8.2)
[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 universal-hash v0.4.1 (latest: v0.5.1)
[INFO] [stderr]       Adding wasi v0.9.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding windows-core v0.52.0 (latest: v0.55.0)
[INFO] [stderr]       Adding x25519-dalek v1.2.0 (latest: v2.0.1)
[INFO] [stderr]       Adding xsalsa20poly1305 v0.6.0 (latest: v0.9.1)
[INFO] [stderr]       Adding zerocopy v0.3.2 (latest: v0.7.32)
[INFO] [stderr]       Adding zerocopy-derive v0.2.0 (latest: v0.7.32)
[INFO] [stderr]       Adding zeroize v1.3.0 (latest: v1.7.0)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded xsalsa20poly1305 v0.6.0
[INFO] [stderr]   Downloaded zerocopy v0.3.2
[INFO] [stderr]   Downloaded ssb-multiformats v0.4.2
[INFO] [stderr]   Downloaded x25519-dalek v1.2.0
[INFO] [stderr]   Downloaded ssb-crypto v0.2.3
[INFO] [stderr]   Downloaded bidir_iter v0.2.1
[INFO] [stderr]   Downloaded pretty_env_logger v0.3.1
[INFO] [stderr]   Downloaded flumedb v0.1.6
[INFO] [stderr]   Downloaded ryu-ecmascript v0.1.1
[INFO] [stderr]   Downloaded poly1305 v0.6.2
[INFO] [stderr]   Downloaded serde_cbor v0.10.2
[INFO] [stderr]   Downloaded zerocopy-derive v0.2.0
[INFO] [stderr]   Downloaded buffered_offset_reader v0.6.0
[INFO] [stderr]   Downloaded strtod2 v0.0.1
[INFO] [stderr]   Downloaded ssb-legacy-msg-data v0.1.4
[INFO] [stderr]   Downloaded salsa20 v0.7.2
[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] dab65604062239a2ccea3f31c89de4b2f2a67cf27fdc515e2af267f5722e8075
[INFO] running `Command { std: "docker" "start" "-a" "dab65604062239a2ccea3f31c89de4b2f2a67cf27fdc515e2af267f5722e8075", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dab65604062239a2ccea3f31c89de4b2f2a67cf27fdc515e2af267f5722e8075", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dab65604062239a2ccea3f31c89de4b2f2a67cf27fdc515e2af267f5722e8075", kill_on_drop: false }`
[INFO] [stdout] dab65604062239a2ccea3f31c89de4b2f2a67cf27fdc515e2af267f5722e8075
[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] 27dabfaa42807006b923cae9cd45327fb8ba3714a41f056a58cc514b934960b6
[INFO] running `Command { std: "docker" "start" "-a" "27dabfaa42807006b923cae9cd45327fb8ba3714a41f056a58cc514b934960b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking cpufeatures v0.2.12
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking opaque-debug v0.3.1
[INFO] [stderr]     Checking cpuid-bool v0.2.0
[INFO] [stderr]     Checking signature v1.6.4
[INFO] [stderr]     Checking ed25519 v1.5.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
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[INFO] [stderr]    Compiling rayon-core v1.12.1
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[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling ryu-ecmascript v0.1.1
[INFO] [stderr]     Checking half v1.8.3
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking cipher v0.2.5
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking universal-hash v0.4.1
[INFO] [stderr]     Checking crypto-mac v0.10.1
[INFO] [stderr]     Checking sha2 v0.9.9
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[INFO] [stderr]     Checking aead v0.3.2
[INFO] [stderr]     Checking hmac v0.10.1
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[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking humantime v1.3.0
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[INFO] [stderr]     Checking csv-core v0.1.11
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[INFO] [stderr]    Compiling synstructure v0.12.6
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[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking bidir_iter v0.2.1
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[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling zerocopy-derive v0.2.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling snafu-derive v0.6.10
[INFO] [stderr]     Checking backtrace v0.3.71
[INFO] [stderr]     Checking zeroize v1.3.0
[INFO] [stderr]     Checking curve25519-dalek v3.2.1
[INFO] [stderr]     Checking salsa20 v0.7.2
[INFO] [stderr]     Checking zerocopy v0.3.2
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking xsalsa20poly1305 v0.6.0
[INFO] [stderr]     Checking ed25519-dalek v1.0.1
[INFO] [stderr]     Checking x25519-dalek v1.2.0
[INFO] [stderr]     Checking ssb-crypto v0.2.3
[INFO] [stderr]     Checking snafu v0.6.10
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking ssb-multiformats v0.4.2
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]     Checking ssb-legacy-msg-data v0.1.4
[INFO] [stderr]     Checking serde_bytes v0.11.14
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking serde_cbor v0.10.2
[INFO] [stderr]     Checking ssb-validate v1.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/message_value.rs:314:17
[INFO] [stdout]     |
[INFO] [stdout] 314 |         None => (None),
[INFO] [stdout]     |                 ^    ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 314 -         None => (None),
[INFO] [stdout] 314 +         None => None,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking flumedb v0.1.6
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/message_value.rs:314:17
[INFO] [stdout]     |
[INFO] [stdout] 314 |         None => (None),
[INFO] [stdout]     |                 ^    ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 314 -         None => (None),
[INFO] [stdout] 314 +         None => None,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 55.53s
[INFO] running `Command { std: "docker" "inspect" "27dabfaa42807006b923cae9cd45327fb8ba3714a41f056a58cc514b934960b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27dabfaa42807006b923cae9cd45327fb8ba3714a41f056a58cc514b934960b6", kill_on_drop: false }`
[INFO] [stdout] 27dabfaa42807006b923cae9cd45327fb8ba3714a41f056a58cc514b934960b6