[INFO] cloning repository https://github.com/DAmin05/Echo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DAmin05/Echo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDAmin05%2FEcho", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDAmin05%2FEcho'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 48ed9e89da11622771c1c01e926baf2e131dcc1a
[INFO] testing DAmin05/Echo against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDAmin05%2FEcho" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/DAmin05/Echo
[INFO] finished tweaking git repo https://github.com/DAmin05/Echo
[INFO] tweaked toml for git repo https://github.com/DAmin05/Echo written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/DAmin05/Echo on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/DAmin05/Echo 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" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused workspace dependency `serde`
[INFO] [stderr]   --> Cargo.toml:20:25
[INFO] [stderr]    |
[INFO] [stderr] 20 | [workspace.dependencies.serde]
[INFO] [stderr]    |                         ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::unused_workspace_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the workspace dependency `serde`
[INFO] [stderr] warning: workspace (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] a00605f4695124e0506e673dd0e32ab4c44d22a9b704bfc949ca3de42700fe57
[INFO] running `Command { std: "docker" "start" "a00605f4695124e0506e673dd0e32ab4c44d22a9b704bfc949ca3de42700fe57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a00605f4695124e0506e673dd0e32ab4c44d22a9b704bfc949ca3de42700fe57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a00605f4695124e0506e673dd0e32ab4c44d22a9b704bfc949ca3de42700fe57" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a00605f4695124e0506e673dd0e32ab4c44d22a9b704bfc949ca3de42700fe57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a00605f4695124e0506e673dd0e32ab4c44d22a9b704bfc949ca3de42700fe57" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: unused workspace dependency `serde`
[INFO] [stderr]   --> Cargo.toml:20:25
[INFO] [stderr]    |
[INFO] [stderr] 20 | [workspace.dependencies.serde]
[INFO] [stderr]    |                         ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::unused_workspace_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the workspace dependency `serde`
[INFO] [stderr] warning: workspace (manifest) generated 1 warning
[INFO] [stderr]    Compiling unicode-ident v1.0.26
[INFO] [stderr]    Compiling cfg-if v1.0.5
[INFO] [stderr]    Compiling smallvec v1.16.1
[INFO] [stderr]    Compiling find-msvc-tools v0.1.13
[INFO] [stderr]    Compiling anyhow v1.0.104
[INFO] [stderr]    Compiling either v1.18.0
[INFO] [stderr]    Compiling futures-io v0.3.34
[INFO] [stderr]    Compiling dunce v1.0.5
[INFO] [stderr]    Compiling fs_extra v1.3.0
[INFO] [stderr]    Compiling regex-syntax v0.8.11
[INFO] [stderr]    Compiling mio v1.2.3
[INFO] [stderr]    Compiling memchr v2.8.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.107
[INFO] [stderr]    Compiling indexmap v2.14.2
[INFO] [stderr]    Compiling zeroize v1.9.0
[INFO] [stderr]    Compiling aws-lc-rs v1.18.1
[INFO] [stderr]    Compiling serde_core v1.0.229
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling cc v1.4.7
[INFO] [stderr]    Compiling rustls v0.23.45
[INFO] [stderr]    Compiling bytes v1.12.1
[INFO] [stderr]    Compiling rustls-pki-types v1.15.1
[INFO] [stderr]    Compiling logos-codegen v0.15.1
[INFO] [stderr]    Compiling sync_wrapper v1.0.2
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling bitflags v2.13.2
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling serde v1.0.229
[INFO] [stderr]    Compiling ipnet v2.12.2
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling prettyplease v0.2.37
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling pulldown-cmark v0.13.4
[INFO] [stderr]    Compiling beef v0.5.2
[INFO] [stderr]    Compiling rustix v1.1.5
[INFO] [stderr]    Compiling getrandom v0.4.3
[INFO] [stderr]    Compiling crc32fast v1.5.2
[INFO] [stderr]    Compiling foldhash v0.1.5
[INFO] [stderr]    Compiling openssl-probe v0.2.1
[INFO] [stderr]    Compiling rustversion v1.0.23
[INFO] [stderr]    Compiling hashbrown v0.17.1
[INFO] [stderr]    Compiling linux-raw-sys v0.12.1
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]    Compiling quote v1.0.47
[INFO] [stderr]    Compiling cmake v0.1.58
[INFO] [stderr]    Compiling aho-corasick v1.1.5
[INFO] [stderr]    Compiling rustls-native-certs v0.8.4
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]    Compiling syn v3.0.6
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]    Compiling thiserror v2.0.20
[INFO] [stderr]    Compiling icu_properties_data v2.3.0
[INFO] [stderr]    Compiling icu_normalizer_data v2.3.0
[INFO] [stderr]    Compiling zerocopy v0.8.58
[INFO] [stderr]    Compiling aws-lc-sys v0.45.0
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling fixedbitset v0.5.7
[INFO] [stderr]    Compiling once_cell v1.21.4
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling fastrand v2.5.0
[INFO] [stderr]    Compiling miniz_oxide v0.9.1
[INFO] [stderr]    Compiling petgraph v0.8.3
[INFO] [stderr]    Compiling matchit v0.8.4
[INFO] [stderr]    Compiling log v0.4.34
[INFO] [stderr]    Compiling multimap v0.10.1
[INFO] [stderr]    Compiling serde_json v1.0.151
[INFO] [stderr]    Compiling serde_path_to_error v0.1.20
[INFO] [stderr]    Compiling pulldown-cmark-to-cmark v22.0.1
[INFO] [stderr]    Compiling flate2 v1.1.10
[INFO] [stderr]    Compiling regex-automata v0.4.18
[INFO] [stderr]    Compiling rand_core v0.9.5
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling encoding_rs v0.8.41
[INFO] [stderr]    Compiling thread_local v1.1.10
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling nu-ansi-term v0.50.3
[INFO] [stderr]    Compiling core_detect v1.0.0
[INFO] [stderr]    Compiling simdutf8 v0.1.5
[INFO] [stderr]    Compiling multiversion_no_op v1.0.0
[INFO] [stderr]    Compiling event-listener v5.4.2
[INFO] [stderr]    Compiling base64 v0.23.1
[INFO] [stderr]    Compiling dotenvy v0.15.7
[INFO] [stderr]    Compiling event-listener-strategy v0.5.4
[INFO] [stderr]    Compiling async-lock v3.4.2
[INFO] [stderr]    Compiling uuid v1.26.1
[INFO] [stderr]    Compiling arc-swap v1.9.2
[INFO] [stderr]    Compiling backon v1.6.0
[INFO] [stderr]    Compiling tempfile v3.27.0
[INFO] [stderr]    Compiling sha1_smol v1.0.1
[INFO] [stderr]    Compiling semver v1.0.28
[INFO] [stderr]    Compiling arcstr v1.2.0
[INFO] [stderr]    Compiling num-integer v0.1.47
[INFO] [stderr]    Compiling xxhash-rust v0.8.18
[INFO] [stderr]    Compiling num-bigint v0.5.1
[INFO] [stderr]    Compiling synstructure v0.14.0
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling matchers v0.2.0
[INFO] [stderr]    Compiling logos-codegen v0.16.1
[INFO] [stderr] error: could not compile `syn` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.100.0-beta.1-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-3.0.6/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat,unused-externs-silent --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debug-assertions=off --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="fold"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "test", "visit", "visit-mut"))' -C metadata=384ed2b61f49a7a6 -C extra-filename=-8ec0089c1ed6755c --out-dir /opt/rustwide/target/release/build/syn/8ec0089c1ed6755c/out -C strip=debuginfo -L dependency=/opt/rustwide/target/release/build/proc-macro2/568395be76da8392/out -L dependency=/opt/rustwide/target/release/build/unicode-ident/252fc9bf0a40533c/out --extern proc_macro2=/opt/rustwide/target/release/build/proc-macro2/568395be76da8392/out/libproc_macro2-568395be76da8392.rmeta --extern quote=/opt/rustwide/target/release/build/quote/8c6c51122be409c2/out/libquote-8c6c51122be409c2.rmeta --extern unicode_ident=/opt/rustwide/target/release/build/unicode-ident/252fc9bf0a40533c/out/libunicode_ident-252fc9bf0a40533c.rmeta --cap-lints allow --cap-lints=warn --force-warn=unused_crate_dependencies` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `syn` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.100.0-beta.1-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.119/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat,unused-externs-silent --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debug-assertions=off --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="visit-mut"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "test", "visit", "visit-mut"))' -C metadata=bb6c102289b11962 -C extra-filename=-03f401d2ab48b04d --out-dir /opt/rustwide/target/release/build/syn/03f401d2ab48b04d/out -C strip=debuginfo -L dependency=/opt/rustwide/target/release/build/proc-macro2/568395be76da8392/out -L dependency=/opt/rustwide/target/release/build/unicode-ident/252fc9bf0a40533c/out --extern proc_macro2=/opt/rustwide/target/release/build/proc-macro2/568395be76da8392/out/libproc_macro2-568395be76da8392.rmeta --extern quote=/opt/rustwide/target/release/build/quote/8c6c51122be409c2/out/libquote-8c6c51122be409c2.rmeta --extern unicode_ident=/opt/rustwide/target/release/build/unicode-ident/252fc9bf0a40533c/out/libunicode_ident-252fc9bf0a40533c.rmeta --cap-lints allow --cap-lints=warn --force-warn=unused_crate_dependencies` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "a00605f4695124e0506e673dd0e32ab4c44d22a9b704bfc949ca3de42700fe57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a00605f4695124e0506e673dd0e32ab4c44d22a9b704bfc949ca3de42700fe57", kill_on_drop: false }`
[INFO] [stdout] a00605f4695124e0506e673dd0e32ab4c44d22a9b704bfc949ca3de42700fe57
