[INFO] fetching crate libimaglog 0.10.1...
[INFO] checking libimaglog-0.10.1 against try#cde356bd79f103d9897ada6234862d1d3e511791 for pr-114586
[INFO] extracting crate libimaglog 0.10.1 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate libimaglog 0.10.1 on toolchain cde356bd79f103d9897ada6234862d1d3e511791
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cde356bd79f103d9897ada6234862d1d3e511791" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libimaglog 0.10.1
[INFO] finished tweaking crates.io crate libimaglog 0.10.1
[INFO] tweaked toml for crates.io crate libimaglog 0.10.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cde356bd79f103d9897ada6234862d1d3e511791" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cde356bd79f103d9897ada6234862d1d3e511791" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:a794aa5c983fb35e02fc236d807630e6f52e3c0f8e28bd8809f4f37a08590f0c" "/opt/rustwide/cargo-home/bin/cargo" "+cde356bd79f103d9897ada6234862d1d3e511791" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 258c1d23bbba18c0d65a4c6e5b727b793f1e7eb6d749a36863e96de5237473ce
[INFO] running `Command { std: "docker" "start" "-a" "258c1d23bbba18c0d65a4c6e5b727b793f1e7eb6d749a36863e96de5237473ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "258c1d23bbba18c0d65a4c6e5b727b793f1e7eb6d749a36863e96de5237473ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "258c1d23bbba18c0d65a4c6e5b727b793f1e7eb6d749a36863e96de5237473ce", kill_on_drop: false }`
[INFO] [stdout] 258c1d23bbba18c0d65a4c6e5b727b793f1e7eb6d749a36863e96de5237473ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:a794aa5c983fb35e02fc236d807630e6f52e3c0f8e28bd8809f4f37a08590f0c" "/opt/rustwide/cargo-home/bin/cargo" "+cde356bd79f103d9897ada6234862d1d3e511791" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6edee4deae3f7c03ac8ebe8d4960e29690d49d4caf59d6119a21732d2b328c0d
[INFO] running `Command { std: "docker" "start" "-a" "6edee4deae3f7c03ac8ebe8d4960e29690d49d4caf59d6119a21732d2b328c0d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling serde v1.0.183
[INFO] [stderr]    Compiling serde_derive v1.0.183
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking tinyvec_macros v0.1.1
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking gimli v0.27.3
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking percent-encoding v2.3.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking object v0.31.1
[INFO] [stderr]    Compiling serde_json v1.0.104
[INFO] [stderr]    Compiling thiserror v1.0.44
[INFO] [stderr]     Checking form_urlencoded v1.2.0
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling syn v2.0.28
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]    Compiling aho-corasick v1.0.3
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]    Compiling parking_lot_core v0.6.3
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling regex-syntax v0.7.4
[INFO] [stderr]     Checking idna v0.4.0
[INFO] [stderr]    Compiling clang-sys v1.6.1
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]    Compiling cc v1.0.82
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking url v2.4.0
[INFO] [stderr]    Compiling term_size v0.3.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]     Checking addr2line v0.20.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling rustix v0.38.7
[INFO] [stderr]    Compiling unicode-width v0.1.10
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking matches v0.1.10
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]     Checking walkdir v2.3.3
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling libloading v0.7.4
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking linux-raw-sys v0.4.5
[INFO] [stderr]     Checking bitflags v2.3.3
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling ucd-trie v0.1.6
[INFO] [stderr]    Compiling termcolor v1.2.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling backtrace v0.3.68
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]    Compiling openssl-sys v0.9.91
[INFO] [stderr]     Checking regex-automata v0.3.6
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling bindgen v0.59.2
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]    Compiling which v4.4.0
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]     Checking iana-time-zone v0.1.57
[INFO] [stderr]     Checking fastrand v2.0.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling shlex v1.1.0
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling darling_core v0.8.6
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking chrono v0.4.26
[INFO] [stderr]     Checking crossbeam-deque v0.7.4
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]    Compiling cexpr v0.6.0
[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/cde356bd79f103d9897ada6234862d1d3e511791/bin/rustc --crate-name syn /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/syn-0.15.44/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="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' -C metadata=6e3d71225d3280aa -C extra-filename=-6e3d71225d3280aa --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-4a939f83af8d9b64.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-fbf98cee16c04880.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-a2f7f3f61a051e34.rmeta --cap-lints allow --cap-lints=forbid --cfg syn_can_match_trailing_dollar --cfg syn_can_use_thread_id --cfg syn_can_use_associated_constants --cfg syn_can_call_macro_by_path` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "6edee4deae3f7c03ac8ebe8d4960e29690d49d4caf59d6119a21732d2b328c0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6edee4deae3f7c03ac8ebe8d4960e29690d49d4caf59d6119a21732d2b328c0d", kill_on_drop: false }`
[INFO] [stdout] 6edee4deae3f7c03ac8ebe8d4960e29690d49d4caf59d6119a21732d2b328c0d