[INFO] cloning repository https://github.com/iwindx/rust-sandwich
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iwindx/rust-sandwich" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiwindx%2Frust-sandwich", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiwindx%2Frust-sandwich'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 082f5071a4d73c9d98719b327cbaae5215ae2ec0
[INFO] checking iwindx/rust-sandwich/082f5071a4d73c9d98719b327cbaae5215ae2ec0 against master#5dbf4069dc98bbbca98dd600a65f50c258fbfd56 for pr-148477-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiwindx%2Frust-sandwich" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/iwindx/rust-sandwich
[INFO] finished tweaking git repo https://github.com/iwindx/rust-sandwich
[INFO] tweaked toml for git repo https://github.com/iwindx/rust-sandwich written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/iwindx/rust-sandwich on toolchain 5dbf4069dc98bbbca98dd600a65f50c258fbfd56
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5dbf4069dc98bbbca98dd600a65f50c258fbfd56" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/iwindx/rust-sandwich 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" "+5dbf4069dc98bbbca98dd600a65f50c258fbfd56" "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 svm-rs v0.2.18
[INFO] [stderr]   Downloaded cc v1.0.77
[INFO] [stderr]   Downloaded ethers v1.0.2
[INFO] [stderr]   Downloaded base64ct v1.0.1
[INFO] [stderr]   Downloaded eth-keystore v0.5.0
[INFO] [stderr]   Downloaded cxxbridge-flags v1.0.83
[INFO] [stderr]   Downloaded ethers-addressbook v1.0.2
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[INFO] [stderr]   Downloaded cookie v0.16.1
[INFO] [stderr]   Downloaded tungstenite v0.17.3
[INFO] [stderr]   Downloaded scale-info v2.3.0
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[INFO] [stderr]   Downloaded schannel v0.1.20
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[INFO] [stderr]   Downloaded webpki-roots v0.22.5
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[INFO] [stderr]   Downloaded cxx-build v1.0.83
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[INFO] [stderr]   Downloaded security-framework v2.7.0
[INFO] [stderr]   Downloaded serde-aux v4.1.2
[INFO] [stderr]   Downloaded coins-bip32 v0.7.0
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[INFO] [stderr]   Downloaded rustls v0.20.7
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[INFO] [stderr]   Downloaded home v0.5.4
[INFO] [stderr]   Downloaded rustls-pemfile v1.0.1
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[INFO] [stderr]   Downloaded ethers-contract-derive v1.0.2
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[INFO] [stderr]   Downloaded auto_impl v1.0.1
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[INFO] [stderr]   Downloaded eyre v0.6.8
[INFO] [stderr]   Downloaded serde_derive v1.0.149
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+5dbf4069dc98bbbca98dd600a65f50c258fbfd56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 01ffd683e70bc1f75ba2bb0ee1bf6a3b9193f562c5a2beef7e9edf5dd38a8b4e
[INFO] running `Command { std: "docker" "start" "-a" "01ffd683e70bc1f75ba2bb0ee1bf6a3b9193f562c5a2beef7e9edf5dd38a8b4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "01ffd683e70bc1f75ba2bb0ee1bf6a3b9193f562c5a2beef7e9edf5dd38a8b4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01ffd683e70bc1f75ba2bb0ee1bf6a3b9193f562c5a2beef7e9edf5dd38a8b4e", kill_on_drop: false }`
[INFO] [stdout] 01ffd683e70bc1f75ba2bb0ee1bf6a3b9193f562c5a2beef7e9edf5dd38a8b4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+5dbf4069dc98bbbca98dd600a65f50c258fbfd56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f77451f8a65b6c53958054510e691ae08b7885287527f65f24230998978d20ba
[INFO] running `Command { std: "docker" "start" "-a" "f77451f8a65b6c53958054510e691ae08b7885287527f65f24230998978d20ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling syn v1.0.105
[INFO] [stderr]    Compiling serde_derive v1.0.149
[INFO] [stderr]    Compiling serde v1.0.149
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling once_cell v1.16.0
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]     Checking itoa v1.0.4
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]     Checking cpufeatures v0.2.5
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling tokio v1.22.0
[INFO] [stderr]     Checking zeroize v1.5.7
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]     Checking base64ct v1.0.1
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]     Checking futures-sink v0.3.25
[INFO] [stderr]    Compiling futures-channel v0.3.25
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.47/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 num-traits v0.2.15
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking const-oid v0.9.1
[INFO] [stderr]    Compiling rustls v0.20.7
[INFO] [stderr]     Checking futures-io v0.3.25
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]    Compiling semver v1.0.14
[INFO] [stderr]    Compiling serde_json v1.0.89
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]     Checking der v0.6.0
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[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] running `Command { std: "docker" "inspect" "f77451f8a65b6c53958054510e691ae08b7885287527f65f24230998978d20ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f77451f8a65b6c53958054510e691ae08b7885287527f65f24230998978d20ba", kill_on_drop: false }`
[INFO] [stdout] f77451f8a65b6c53958054510e691ae08b7885287527f65f24230998978d20ba