[INFO] fetching crate md-echo 0.1.0...
[INFO] checking md-echo-0.1.0 against try#f70ee28831acc074c109afab32d287057c3eca46 for pr-149389
[INFO] extracting crate md-echo 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate md-echo 0.1.0
[INFO] finished tweaking crates.io crate md-echo 0.1.0
[INFO] tweaked toml for crates.io crate md-echo 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate md-echo 0.1.0 on toolchain f70ee28831acc074c109afab32d287057c3eca46
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f70ee28831acc074c109afab32d287057c3eca46" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate md-echo 0.1.0 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" "+f70ee28831acc074c109afab32d287057c3eca46" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+f70ee28831acc074c109afab32d287057c3eca46" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 47d932524821a028ab3055193ded5eeca8a609b284313e13114914c92b4f3c66
[INFO] running `Command { std: "docker" "start" "-a" "47d932524821a028ab3055193ded5eeca8a609b284313e13114914c92b4f3c66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47d932524821a028ab3055193ded5eeca8a609b284313e13114914c92b4f3c66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47d932524821a028ab3055193ded5eeca8a609b284313e13114914c92b4f3c66", kill_on_drop: false }`
[INFO] [stdout] 47d932524821a028ab3055193ded5eeca8a609b284313e13114914c92b4f3c66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+f70ee28831acc074c109afab32d287057c3eca46" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29cf706fce90ff842526246157082a3bcad16d51ea9f94a5981d0f4a48ef4bec
[INFO] running `Command { std: "docker" "start" "-a" "29cf706fce90ff842526246157082a3bcad16d51ea9f94a5981d0f4a48ef4bec", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling find-msvc-tools v0.1.3
[INFO] [stderr]     Checking linux-raw-sys v0.11.0
[INFO] [stderr]     Checking libloading v0.8.9
[INFO] [stderr]    Compiling wayland-sys v0.31.7
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling cfg-expr v0.15.8
[INFO] [stderr]    Compiling quick-xml v0.37.5
[INFO] [stderr]    Compiling wayland-client v0.31.11
[INFO] [stderr]    Compiling bytemuck_derive v1.10.2
[INFO] [stderr]     Checking concurrent-queue v2.5.0
[INFO] [stderr]     Checking yoke v0.8.0
[INFO] [stderr]     Checking dlib v0.5.2
[INFO] [stderr]    Compiling cc v1.2.40
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]     Checking linux-raw-sys v0.4.15
[INFO] [stderr]     Checking zerovec v0.11.4
[INFO] [stderr]     Checking event-listener v5.4.1
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]     Checking ttf-parser v0.25.1
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]    Compiling wayland-scanner v0.31.7
[INFO] [stderr]     Checking event-listener-strategy v0.5.4
[INFO] [stderr]     Checking futures-lite v2.6.1
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]    Compiling serde_spanned v0.6.9
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]    Compiling toml_edit v0.22.27
[INFO] [stderr]    Compiling wayland-backend v0.3.11
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling enumflags2_derive v0.7.12
[INFO] [stderr]     Checking ab_glyph_rasterizer v0.1.10
[INFO] [stderr]     Checking bytemuck v1.24.0
[INFO] [stderr]     Checking async-channel v2.5.0
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]    Compiling async-fs v1.6.0
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking blocking v1.6.2
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking io-lifetimes v1.0.11
[INFO] [stderr]     Checking getrandom v0.3.3
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]     Checking rustix v0.37.28
[INFO] [stderr]     Checking tinystr v0.8.1
[INFO] [stderr]    Compiling enumn v0.1.14
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling xml-rs v0.8.27
[INFO] [stderr]     Checking cursor-icon v1.2.0
[INFO] [stderr]     Checking xcursor v0.3.10
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking icu_locale_core v2.0.0
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[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/f70ee28831acc074c109afab32d287057c3eca46/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-1.0.109/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no --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="quote"' --cfg 'feature="visit"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "quote", "test", "visit", "visit-mut"))' -C metadata=bbb9acacbffbd58f -C extra-filename=-93c4d58f57e45fcf --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-5e1e04ba65cffdbe.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-7714a49998d3c741.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-b4c15d9166d0a657.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `serde_derive` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/f70ee28831acc074c109afab32d287057c3eca46/bin/rustc --crate-name serde_derive --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_derive-1.0.228/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C embed-bitcode=no --cfg 'feature="default"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("default", "deserialize_in_place"))' -C metadata=417a15e86b83b040 -C extra-filename=-7586ba55522f0f48 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-5e1e04ba65cffdbe.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-7714a49998d3c741.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-878ac1d14462fd05.rlib --extern proc_macro --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "29cf706fce90ff842526246157082a3bcad16d51ea9f94a5981d0f4a48ef4bec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29cf706fce90ff842526246157082a3bcad16d51ea9f94a5981d0f4a48ef4bec", kill_on_drop: false }`
[INFO] [stdout] 29cf706fce90ff842526246157082a3bcad16d51ea9f94a5981d0f4a48ef4bec