[INFO] fetching crate airswap-rs 0.2.0...
[INFO] testing airswap-rs-0.2.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate airswap-rs 0.2.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate airswap-rs 0.2.0
[INFO] finished tweaking crates.io crate airswap-rs 0.2.0
[INFO] tweaked toml for crates.io crate airswap-rs 0.2.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate airswap-rs 0.2.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate airswap-rs 0.2.0 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--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]  Downloading crates ...
[INFO] [stderr]   Downloaded rustversion v1.0.11
[INFO] [stderr]   Downloaded proc-macro2 v1.0.49
[INFO] [stderr]   Downloaded proc-macro-crate v1.2.1
[INFO] [stderr]   Downloaded scale-info-derive v2.3.1
[INFO] [stderr]   Downloaded cargo-platform v0.1.2
[INFO] [stderr]   Downloaded serde v1.0.151
[INFO] [stderr]   Downloaded ethers-addressbook v1.0.2
[INFO] [stderr]   Downloaded coins-bip32 v0.7.0
[INFO] [stderr]   Downloaded base58check v0.1.0
[INFO] [stderr]   Downloaded auto_impl v0.5.0
[INFO] [stderr]   Downloaded ethers-etherscan v1.0.2
[INFO] [stderr]   Downloaded ipnet v2.7.0
[INFO] [stderr]   Downloaded ethers v1.0.2
[INFO] [stderr]   Downloaded ethers-core v1.0.2
[INFO] [stderr]   Downloaded k256 v0.11.6
[INFO] [stderr]   Downloaded ethers-providers v1.0.2
[INFO] [stderr]   Downloaded aes v0.8.2
[INFO] [stderr]   Downloaded ethers-contract v1.0.2
[INFO] [stderr]   Downloaded parity-scale-codec v3.2.1
[INFO] [stderr]   Downloaded camino v1.1.1
[INFO] [stderr]   Downloaded base64ct v1.5.3
[INFO] [stderr]   Downloaded ethers-middleware v1.0.2
[INFO] [stderr]   Downloaded ethers-signers v1.0.2
[INFO] [stderr]   Downloaded rustls v0.20.7
[INFO] [stderr]   Downloaded ethers-contract-abigen v1.0.2
[INFO] [stderr]   Downloaded async-trait v0.1.60
[INFO] [stderr]   Downloaded send_wrapper v0.5.0
[INFO] [stderr]   Downloaded ws_stream_wasm v0.7.3
[INFO] [stderr]   Downloaded auto_impl v1.0.1
[INFO] [stderr]   Downloaded coins-core v0.7.0
[INFO] [stderr]   Downloaded sha3 v0.10.6
[INFO] [stderr]   Downloaded coins-bip39 v0.7.0
[INFO] [stderr]   Downloaded rustls-pemfile v1.0.1
[INFO] [stderr]   Downloaded const-oid v0.9.1
[INFO] [stderr]   Downloaded keccak v0.1.3
[INFO] [stderr]   Downloaded cargo_metadata v0.15.2
[INFO] [stderr]   Downloaded cipher v0.4.3
[INFO] [stderr]   Downloaded ethers-contract-derive v1.0.2
[INFO] [stderr]   Downloaded toml v0.5.10
[INFO] [stderr]   Downloaded serde_derive v1.0.151
[INFO] [stderr]   Downloaded serde-aux v4.1.2
[INFO] [stderr]   Downloaded parity-scale-codec-derive v3.1.3
[INFO] [stderr]   Downloaded scale-info v2.3.1
[INFO] [stderr]   Downloaded cc v1.0.78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ec90da42453a4ef76001413f1d3d09468dd96d0545be1cfc4118be1af3793f60
[INFO] running `Command { std: "docker" "start" "-a" "ec90da42453a4ef76001413f1d3d09468dd96d0545be1cfc4118be1af3793f60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec90da42453a4ef76001413f1d3d09468dd96d0545be1cfc4118be1af3793f60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec90da42453a4ef76001413f1d3d09468dd96d0545be1cfc4118be1af3793f60", kill_on_drop: false }`
[INFO] [stdout] ec90da42453a4ef76001413f1d3d09468dd96d0545be1cfc4118be1af3793f60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 244a17d58faa58aede739aeb02f31de81310f7367160ebea7a7ae712ae52ab2e
[INFO] running `Command { std: "docker" "start" "-a" "244a17d58faa58aede739aeb02f31de81310f7367160ebea7a7ae712ae52ab2e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling serde_derive v1.0.151
[INFO] [stderr]    Compiling serde v1.0.151
[INFO] [stderr]    Compiling once_cell v1.17.0
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling itoa v1.0.5
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling base64ct v1.5.3
[INFO] [stderr]    Compiling zeroize v1.5.7
[INFO] [stderr]    Compiling arrayvec v0.7.2
[INFO] [stderr]    Compiling const-oid v0.9.1
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling cpufeatures v0.2.5
[INFO] [stderr]    Compiling tracing-core v0.1.30
[INFO] [stderr]    Compiling keccak v0.1.3
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling der v0.6.1
[INFO] [stderr]    Compiling cc v1.0.78
[INFO] [stderr]    Compiling ryu v1.0.12
[INFO] [stderr]    Compiling serde_json v1.0.91
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.49/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling futures-sink v0.3.25
[INFO] [stderr]    Compiling futures-io v0.3.25
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling futures-channel v0.3.25
[INFO] [stderr]    Compiling aho-corasick v0.7.20
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "244a17d58faa58aede739aeb02f31de81310f7367160ebea7a7ae712ae52ab2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "244a17d58faa58aede739aeb02f31de81310f7367160ebea7a7ae712ae52ab2e", kill_on_drop: false }`
[INFO] [stdout] 244a17d58faa58aede739aeb02f31de81310f7367160ebea7a7ae712ae52ab2e
