[INFO] cloning repository https://github.com/caseif/Feather
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/caseif/Feather" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcaseif%2FFeather", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcaseif%2FFeather'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4c49275c80e7e5b72ae3b6c9cf9809fc622e39b1
[INFO] checking caseif/Feather/4c49275c80e7e5b72ae3b6c9cf9809fc622e39b1 against master#96cfc75584359ae7ad11cc45968059f29e7b44b7 for pr-137728
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcaseif%2FFeather" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/caseif/Feather on toolchain 96cfc75584359ae7ad11cc45968059f29e7b44b7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+96cfc75584359ae7ad11cc45968059f29e7b44b7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/caseif/Feather
[INFO] finished tweaking git repo https://github.com/caseif/Feather
[INFO] tweaked toml for git repo https://github.com/caseif/Feather written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+96cfc75584359ae7ad11cc45968059f29e7b44b7" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 46 packages to latest compatible versions
[INFO] [stderr]       Adding itertools v0.12.1 (available: v0.14.0)
[INFO] [stderr]       Adding strum v0.26.3 (available: v0.27.1)
[INFO] [stderr]       Adding strum_macros v0.26.4 (available: v0.27.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+96cfc75584359ae7ad11cc45968059f29e7b44b7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+96cfc75584359ae7ad11cc45968059f29e7b44b7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a62ca10ca64d15862c3b697de78148696cf2c4a994bff109b439d0e3bafade75
[INFO] running `Command { std: "docker" "start" "-a" "a62ca10ca64d15862c3b697de78148696cf2c4a994bff109b439d0e3bafade75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a62ca10ca64d15862c3b697de78148696cf2c4a994bff109b439d0e3bafade75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a62ca10ca64d15862c3b697de78148696cf2c4a994bff109b439d0e3bafade75", kill_on_drop: false }`
[INFO] [stdout] a62ca10ca64d15862c3b697de78148696cf2c4a994bff109b439d0e3bafade75
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+96cfc75584359ae7ad11cc45968059f29e7b44b7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff4ab998d173e3736eb3f5ba154e7f0846f11767048bffadd57f0f6833884604
[INFO] running `Command { std: "docker" "start" "-a" "ff4ab998d173e3736eb3f5ba154e7f0846f11767048bffadd57f0f6833884604", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.17
[INFO] [stderr]    Compiling serde v1.0.218
[INFO] [stderr]    Compiling serde_json v1.0.139
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]     Checking hashbrown v0.15.2
[INFO] [stderr]     Checking equivalent v1.0.2
[INFO] [stderr]     Checking itoa v1.0.14
[INFO] [stderr]     Checking ryu v1.0.19
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking either v1.14.0
[INFO] [stderr]    Compiling rustversion v1.0.19
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling libc v0.2.170
[INFO] [stderr]     Checking itertools v0.12.1
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]     Checking unicode-width v0.1.14
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling indexmap v2.7.1
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking strum v0.26.3
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking exitcode v1.1.2
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]    Compiling serde_derive v1.0.218
[INFO] [stderr]    Compiling strum_macros v0.26.4
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking feather-parse v0.0.1 (/opt/rustwide/workdir/feather-parse)
[INFO] [stdout] warning: struct `InvalidCstPathError` is never constructed
[INFO] [stdout]   --> feather-parse/src/cst.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | struct InvalidCstPathError {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `InvalidCstPathError` is never constructed
[INFO] [stdout]   --> feather-parse/src/cst.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | struct InvalidCstPathError {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking feather-lrgen v0.0.1 (/opt/rustwide/workdir/feather-lrgen)
[INFO] [stdout] warning: struct `InvalidCstPathError` is never constructed
[INFO] [stdout]   --> feather-parse/src/cst.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | struct InvalidCstPathError {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking feather-ast v0.0.1 (/opt/rustwide/workdir/feather-ast)
[INFO] [stderr] error: could not compile `feather-ast` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/96cfc75584359ae7ad11cc45968059f29e7b44b7/bin/rustc --crate-name featherast --edition=2021 feather-ast/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type rlib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=51155ba10ae7d931 -C extra-filename=-915044645107233f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern feather_lrgen=/opt/rustwide/target/debug/deps/libfeather_lrgen-1050e15b66e1e3e1.so --extern featherparse=/opt/rustwide/target/debug/deps/libfeatherparse-e08abd9cd227b663.rmeta --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-8b6c433751324a10.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-b9e988304013f381.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-cb8ca6aa8c56979f.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-904b730c42df8043.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-1c4a1799f7ab7e2b.rmeta --extern strum=/opt/rustwide/target/debug/deps/libstrum-605b27ffb1762140.rmeta --extern strum_macros=/opt/rustwide/target/debug/deps/libstrum_macros-628a7fbe0e82e870.so --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "ff4ab998d173e3736eb3f5ba154e7f0846f11767048bffadd57f0f6833884604", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff4ab998d173e3736eb3f5ba154e7f0846f11767048bffadd57f0f6833884604", kill_on_drop: false }`
[INFO] [stdout] ff4ab998d173e3736eb3f5ba154e7f0846f11767048bffadd57f0f6833884604