[INFO] fetching crate fractal-storage-client 0.2.0...
[INFO] checking fractal-storage-client-0.2.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate fractal-storage-client 0.2.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate fractal-storage-client 0.2.0 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 fractal-storage-client 0.2.0
[INFO] finished tweaking crates.io crate fractal-storage-client 0.2.0
[INFO] tweaked toml for crates.io crate fractal-storage-client 0.2.0 written to /workspace/builds/worker-7-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
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[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 ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] d3cdfce54cba7de837aa7f8be4127946ccaf487d89a4c57825353e532c47821c
[INFO] running `Command { std: "docker" "start" "-a" "d3cdfce54cba7de837aa7f8be4127946ccaf487d89a4c57825353e532c47821c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3cdfce54cba7de837aa7f8be4127946ccaf487d89a4c57825353e532c47821c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3cdfce54cba7de837aa7f8be4127946ccaf487d89a4c57825353e532c47821c", kill_on_drop: false }`
[INFO] [stdout] d3cdfce54cba7de837aa7f8be4127946ccaf487d89a4c57825353e532c47821c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] fc3317f9fb05d1223cf2a4afe6eb8af5c46dc8fdde64e83b53401bba05bf4bc7
[INFO] running `Command { std: "docker" "start" "-a" "fc3317f9fb05d1223cf2a4afe6eb8af5c46dc8fdde64e83b53401bba05bf4bc7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde v1.0.197
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[INFO] [stderr]    Compiling blake3 v1.5.1
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[INFO] [stderr]     Checking chacha20 v0.8.2
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
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[INFO] [stderr]    Compiling zeroize_derive v1.4.2
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[INFO] [stderr]    Compiling thiserror v1.0.58
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[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]    Compiling multihash-derive v0.7.2
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[INFO] [stderr]     Checking parity-multiaddr v0.11.2
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[INFO] [stderr]     Checking hyper-rustls v0.24.2
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[INFO] [stderr]     Checking reqwest v0.11.27
[INFO] [stderr]     Checking ipfs-api v0.16.0
[INFO] [stderr]     Checking fractal-storage-client v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `to_chacha20_key` is never used
[INFO] [stdout]   --> src/stream/ed25519.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub trait ToChaCha20 {
[INFO] [stdout]    |           ---------- method in this trait
[INFO] [stdout] 14 |     fn to_chacha20_key(&self) -> chacha20::Key;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_chacha20_key` is never used
[INFO] [stdout]   --> src/stream/ed25519.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub trait ToChaCha20 {
[INFO] [stdout]    |           ---------- method in this trait
[INFO] [stdout] 14 |     fn to_chacha20_key(&self) -> chacha20::Key;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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 13.48s
[INFO] running `Command { std: "docker" "inspect" "fc3317f9fb05d1223cf2a4afe6eb8af5c46dc8fdde64e83b53401bba05bf4bc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc3317f9fb05d1223cf2a4afe6eb8af5c46dc8fdde64e83b53401bba05bf4bc7", kill_on_drop: false }`
[INFO] [stdout] fc3317f9fb05d1223cf2a4afe6eb8af5c46dc8fdde64e83b53401bba05bf4bc7
[INFO] checking fractal-storage-client-0.2.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate fractal-storage-client 0.2.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate fractal-storage-client 0.2.0 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fractal-storage-client 0.2.0
[INFO] finished tweaking crates.io crate fractal-storage-client 0.2.0
[INFO] tweaked toml for crates.io crate fractal-storage-client 0.2.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 024449faaabc4452a10e6bc3a1e8b02272155371e2911067d37128aeb3a41a9d
[INFO] running `Command { std: "docker" "start" "-a" "024449faaabc4452a10e6bc3a1e8b02272155371e2911067d37128aeb3a41a9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "024449faaabc4452a10e6bc3a1e8b02272155371e2911067d37128aeb3a41a9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "024449faaabc4452a10e6bc3a1e8b02272155371e2911067d37128aeb3a41a9d", kill_on_drop: false }`
[INFO] [stdout] 024449faaabc4452a10e6bc3a1e8b02272155371e2911067d37128aeb3a41a9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 103043455e4531488c42f9fe13265ca25e17d669d43ac4344eb1758dd804279c
[INFO] running `Command { std: "docker" "start" "-a" "103043455e4531488c42f9fe13265ca25e17d669d43ac4344eb1758dd804279c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]    Compiling data-encoding v2.5.0
[INFO] [stderr]     Checking ring v0.17.8
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking unsigned-varint v0.7.2
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking unsigned-varint v0.5.1
[INFO] [stderr]     Checking base-x v0.2.11
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]    Compiling blake3 v1.5.1
[INFO] [stderr]     Checking bs58 v0.4.0
[INFO] [stderr]     Checking dirs v4.0.0
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking keccak v0.1.5
[INFO] [stderr]     Checking blake2b_simd v1.0.2
[INFO] [stderr]     Checking blake2s_simd v1.0.2
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking core2 v0.4.0
[INFO] [stderr]     Checking signature v1.6.4
[INFO] [stderr]     Checking opaque-debug v0.3.1
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking cipher v0.3.0
[INFO] [stderr]     Checking ed25519 v1.5.3
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking sha3 v0.10.8
[INFO] [stderr]     Checking blake2 v0.10.6
[INFO] [stderr]     Checking chacha20 v0.8.2
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking sct v0.7.1
[INFO] [stderr]     Checking rustls-webpki v0.101.7
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking rustls v0.21.10
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling async-trait v0.1.79
[INFO] [stderr]    Compiling data-encoding-macro-internal v0.1.12
[INFO] [stderr]    Compiling typed-builder v0.10.0
[INFO] [stderr]    Compiling optional-fields-serde-macro v0.1.2
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[INFO] [stderr]     Checking tokio v1.37.0
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[INFO] [stderr]     Checking curve25519-dalek-fiat v0.1.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]    Compiling proc-macro-crate v1.1.3
[INFO] [stderr]    Compiling multihash-derive v0.7.2
[INFO] [stderr]    Compiling multihash-derive v0.8.1
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking multihash v0.13.2
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[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking tokio-util v0.7.10
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[INFO] [stderr]     Checking tokio-rustls v0.24.1
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[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
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[INFO] [stderr]     Checking serde_bytes v0.11.14
[INFO] [stderr]     Checking serde-big-array v0.4.1
[INFO] [stderr]     Checking optional-field v0.1.6
[INFO] [stderr]     Checking uuid v1.8.0
[INFO] [stderr]     Checking ed25519-dalek-fiat v0.1.0
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[INFO] [stderr]     Checking serde_test v1.0.176
[INFO] [stderr]     Checking multihash v0.16.3
[INFO] [stderr]     Checking cid v0.8.6
[INFO] [stderr]     Checking parity-multiaddr v0.11.2
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[INFO] [stderr]     Checking ipfs-api v0.16.0
[INFO] [stderr]     Checking fractal-storage-client v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `to_chacha20_key` is never used
[INFO] [stdout]   --> src/stream/ed25519.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub trait ToChaCha20 {
[INFO] [stdout]    |           ---------- method in this trait
[INFO] [stdout] 14 |     fn to_chacha20_key(&self) -> chacha20::Key;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_chacha20_key` is never used
[INFO] [stdout]   --> src/stream/ed25519.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub trait ToChaCha20 {
[INFO] [stdout]    |           ---------- method in this trait
[INFO] [stdout] 14 |     fn to_chacha20_key(&self) -> chacha20::Key;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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 16.84s
[INFO] running `Command { std: "docker" "inspect" "103043455e4531488c42f9fe13265ca25e17d669d43ac4344eb1758dd804279c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "103043455e4531488c42f9fe13265ca25e17d669d43ac4344eb1758dd804279c", kill_on_drop: false }`
[INFO] [stdout] 103043455e4531488c42f9fe13265ca25e17d669d43ac4344eb1758dd804279c