[INFO] cloning repository https://github.com/Tied2-nodes/knowhow
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Tied2-nodes/knowhow" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTied2-nodes%2Fknowhow", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTied2-nodes%2Fknowhow'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dd26816fa30c424d01088904e6879a925796ab9b
[INFO] checking Tied2-nodes/knowhow/dd26816fa30c424d01088904e6879a925796ab9b against master#ff1737bb00913444173658b4e0b274fd79aabf66 for pr-132712-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTied2-nodes%2Fknowhow" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Tied2-nodes/knowhow on toolchain ff1737bb00913444173658b4e0b274fd79aabf66
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3-tc1/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/Tied2-nodes/knowhow
[INFO] finished tweaking git repo https://github.com/Tied2-nodes/knowhow
[INFO] tweaked toml for git repo https://github.com/Tied2-nodes/knowhow written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Tied2-nodes/knowhow 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" "+ff1737bb00913444173658b4e0b274fd79aabf66" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v1.0.101
[INFO] [stderr]   Downloaded serde_repr v0.1.8
[INFO] [stderr]   Downloaded mio v0.7.9
[INFO] [stderr]   Downloaded socket2 v0.3.17
[INFO] [stderr]   Downloaded rocket_http v0.5.0-rc.2
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[INFO] [stderr]   Downloaded tokio-util v0.6.3
[INFO] [stderr]   Downloaded dotenv_codegen v0.15.0
[INFO] [stderr]   Downloaded futures-macro v0.3.8
[INFO] [stderr]   Downloaded security-framework-sys v2.0.0
[INFO] [stderr]   Downloaded inotify-sys v0.1.4
[INFO] [stderr]   Downloaded inlinable_string v0.1.14
[INFO] [stderr]   Downloaded dotenv_codegen_implementation v0.15.0
[INFO] [stderr]   Downloaded byte-slice-cast v1.0.0
[INFO] [stderr]   Downloaded rlp v0.5.0
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[INFO] [stderr]   Downloaded darling_core v0.12.4
[INFO] [stderr]   Downloaded zbus_macros v2.1.1
[INFO] [stderr]   Downloaded zbus v2.1.1
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[INFO] [stderr]   Downloaded clearscreen v1.0.11
[INFO] [stderr]   Downloaded hkdf v0.12.3
[INFO] [stderr]   Downloaded command-group v1.0.8
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[INFO] [stderr]   Downloaded rocket v0.5.0-rc.2
[INFO] [stderr]   Downloaded openssl v0.10.49
[INFO] [stderr]   Downloaded cargo-watch v8.1.2
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[INFO] [stderr]   Downloaded encoding_rs v0.8.26
[INFO] [stderr]   Downloaded openssl-sys v0.9.84
[INFO] [stderr]   Downloaded security-framework v2.0.0
[INFO] [stderr]   Downloaded tinyvec v1.1.0
[INFO] [stderr]   Downloaded futures v0.3.8
[INFO] [stderr]   Downloaded pin-project-internal v1.0.2
[INFO] [stderr]   Downloaded indexmap v1.6.0
[INFO] [stderr]   Downloaded async-broadcast v0.3.4
[INFO] [stderr]   Downloaded polling v2.5.2
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[INFO] [stderr]   Downloaded ethabi v14.1.0
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[INFO] [stderr]   Downloaded enumflags2 v0.7.6
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[INFO] [stderr]   Downloaded phf_generator v0.11.1
[INFO] [stderr]   Downloaded phf_codegen v0.11.1
[INFO] [stderr]   Downloaded darling_macro v0.12.4
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[INFO] [stderr]   Downloaded derive_builder_macro v0.10.2
[INFO] [stderr]   Downloaded inotify v0.7.1
[INFO] [stderr]   Downloaded anyhow v1.0.35
[INFO] [stderr]   Downloaded parity-scale-codec-derive v2.2.0
[INFO] [stderr]   Downloaded futures-channel v0.3.8
[INFO] [stderr]   Downloaded predicates v2.1.1
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[INFO] [stderr]   Downloaded rocket_codegen v0.5.0-rc.2
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[INFO] [stderr]   Downloaded redis v0.20.0
[INFO] [stderr]   Downloaded ethcontract-common v0.15.1
[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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ba67878aed880c7062c174c576c299fe66017b584ee0098df1dd593a5128234
[INFO] running `Command { std: "docker" "start" "-a" "1ba67878aed880c7062c174c576c299fe66017b584ee0098df1dd593a5128234", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ba67878aed880c7062c174c576c299fe66017b584ee0098df1dd593a5128234", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ba67878aed880c7062c174c576c299fe66017b584ee0098df1dd593a5128234", kill_on_drop: false }`
[INFO] [stdout] 1ba67878aed880c7062c174c576c299fe66017b584ee0098df1dd593a5128234
[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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c36972ead44d8e24e74b9be131f8c526f2e98afa4bc24cc129abe26ea97cc95c
[INFO] running `Command { std: "docker" "start" "-a" "c36972ead44d8e24e74b9be131f8c526f2e98afa4bc24cc129abe26ea97cc95c", kill_on_drop: false }`
[INFO] [stderr] warning: safe-client-gateway v3.0.1 (/opt/rustwide/workdir) ignoring invalid dependency `cargo-watch` which is missing a lib target
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.101
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]     Checking futures-task v0.3.8
[INFO] [stderr]     Checking futures-channel v0.3.8
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.56/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 indexmap v1.6.0
[INFO] [stderr]    Compiling proc-macro2-diagnostics v0.9.1
[INFO] [stderr]     Checking futures-io v0.3.8
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling yansi v0.5.0
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling httparse v1.7.1
[INFO] [stderr]     Checking smallvec v1.8.0
[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" "c36972ead44d8e24e74b9be131f8c526f2e98afa4bc24cc129abe26ea97cc95c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c36972ead44d8e24e74b9be131f8c526f2e98afa4bc24cc129abe26ea97cc95c", kill_on_drop: false }`
[INFO] [stdout] c36972ead44d8e24e74b9be131f8c526f2e98afa4bc24cc129abe26ea97cc95c