[INFO] fetching crate metamorphose 1.4.1...
[INFO] checking metamorphose-1.4.1 against master#b52edc25bfbaa955b4b83c10f998e5224c3478b2 for pr-156776
[INFO] extracting crate metamorphose 1.4.1 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate metamorphose 1.4.1
[INFO] finished tweaking crates.io crate metamorphose 1.4.1
[INFO] tweaked toml for crates.io crate metamorphose 1.4.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate metamorphose 1.4.1 on toolchain b52edc25bfbaa955b4b83c10f998e5224c3478b2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b52edc25bfbaa955b4b83c10f998e5224c3478b2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b52edc25bfbaa955b4b83c10f998e5224c3478b2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 233 packages to latest compatible versions
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v0.14.9)
[INFO] [stderr]       Adding mongodb v2.8.2 (available: v3.7.0)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.117)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b52edc25bfbaa955b4b83c10f998e5224c3478b2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded uuid v1.23.2
[INFO] [stderr]   Downloaded typed-builder v0.10.0
[INFO] [stderr]   Downloaded linked-hash-map v0.5.6
[INFO] [stderr]   Downloaded take_mut v0.2.2
[INFO] [stderr]   Downloaded trust-dns-resolver v0.21.2
[INFO] [stderr]   Downloaded lru-cache v0.1.2
[INFO] [stderr]   Downloaded matches v0.1.10
[INFO] [stderr]   Downloaded displaydoc v0.2.6
[INFO] [stderr]   Downloaded rustc_version_runtime v0.2.1
[INFO] [stderr]   Downloaded convert_case v0.4.0
[INFO] [stderr]   Downloaded enum-as-inner v0.4.0
[INFO] [stderr]   Downloaded sha-1 v0.10.1
[INFO] [stderr]   Downloaded darling_macro v0.13.4
[INFO] [stderr]   Downloaded serde_bytes v0.11.19
[INFO] [stderr]   Downloaded rustc_version v0.2.3
[INFO] [stderr]   Downloaded semver-parser v0.7.0
[INFO] [stderr]   Downloaded serde_with_macros v1.5.2
[INFO] [stderr]   Downloaded semver v0.9.0
[INFO] [stderr]   Downloaded yoke v0.8.3
[INFO] [stderr]   Downloaded socket2 v0.4.10
[INFO] [stderr]   Downloaded darling v0.13.4
[INFO] [stderr]   Downloaded derive_more v0.99.20
[INFO] [stderr]   Downloaded darling_core v0.13.4
[INFO] [stderr]   Downloaded mio v1.2.1
[INFO] [stderr]   Downloaded typenum v1.20.1
[INFO] [stderr]   Downloaded serde_with v1.14.0
[INFO] [stderr]   Downloaded bson v2.15.0
[INFO] [stderr]   Downloaded webpki-roots v0.25.4
[INFO] [stderr]   Downloaded trust-dns-proto v0.21.2
[INFO] [stderr]   Downloaded idna v0.2.3
[INFO] [stderr]   Downloaded rustls v0.21.12
[INFO] [stderr]   Downloaded mongodb v2.8.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b52edc25bfbaa955b4b83c10f998e5224c3478b2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2fbc6d66109fbe055d2cae207575c13eb1cbefc1bae5ec08d5d61f26cfe9e412
[INFO] running `Command { std: "docker" "start" "-a" "2fbc6d66109fbe055d2cae207575c13eb1cbefc1bae5ec08d5d61f26cfe9e412", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2fbc6d66109fbe055d2cae207575c13eb1cbefc1bae5ec08d5d61f26cfe9e412", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fbc6d66109fbe055d2cae207575c13eb1cbefc1bae5ec08d5d61f26cfe9e412", kill_on_drop: false }`
[INFO] [stdout] 2fbc6d66109fbe055d2cae207575c13eb1cbefc1bae5ec08d5d61f26cfe9e412
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b52edc25bfbaa955b4b83c10f998e5224c3478b2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d283d951a2ed36e1059c2f03bdcb9639be554e5f2372723114ae72fd279ed742
[INFO] running `Command { std: "docker" "start" "-a" "d283d951a2ed36e1059c2f03bdcb9639be554e5f2372723114ae72fd279ed742", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling unicode-ident v1.0.24
[INFO] [stderr]     Checking cfg-if v1.0.4
[INFO] [stderr]    Compiling zerocopy v0.8.50
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling icu_normalizer_data v2.2.0
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling icu_properties_data v2.2.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling autocfg v1.5.1
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling rustls v0.21.12
[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]     Checking writeable v0.6.3
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]     Checking memchr v2.8.1
[INFO] [stderr]     Checking typenum v1.20.1
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]     Checking litemap v0.8.2
[INFO] [stderr]    Compiling zmij v1.0.21
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]     Checking pin-project-lite v0.2.17
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking utf8_iter v1.0.4
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]     Checking errno v0.3.14
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling num-conv v0.2.2
[INFO] [stderr]     Checking untrusted v0.9.0
[INFO] [stderr]    Compiling time-core v0.1.8
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling serde_json v1.0.150
[INFO] [stderr]     Checking signal-hook-registry v1.4.8
[INFO] [stderr]    Compiling time-macros v0.2.27
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking mio v1.2.1
[INFO] [stderr]     Checking socket2 v0.6.4
[INFO] [stderr]     Checking subtle v2.6.1
[INFO] [stderr]     Checking tinyvec_macros v0.1.1
[INFO] [stderr]     Checking futures-core v0.3.32
[INFO] [stderr]     Checking bytes v1.11.1
[INFO] [stderr]     Checking log v0.4.32
[INFO] [stderr]     Checking tinyvec v1.11.0
[INFO] [stderr]    Compiling rustc_version_runtime v0.2.1
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking futures-io v0.3.32
[INFO] [stderr]     Checking unicode-normalization v0.1.25
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking unicode-bidi v0.3.18
[INFO] [stderr]     Checking slab v0.4.12
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]     Checking percent-encoding v2.3.2
[INFO] [stderr]     Checking futures-task v0.3.32
[INFO] [stderr]    Compiling crypto-common v0.1.7
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]     Checking form_urlencoded v1.2.2
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]     Checking rand_core v0.9.5
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking itoa v1.0.18
[INFO] [stderr]     Checking matches v0.1.10
[INFO] [stderr]     Checking equivalent v1.0.2
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking hashbrown v0.17.1
[INFO] [stderr]     Checking lock_api v0.4.14
[INFO] [stderr]     Checking deranged v0.5.8
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking wyz v0.5.1
[INFO] [stderr]     Checking futures-channel v0.3.32
[INFO] [stderr]     Checking data-encoding v2.11.0
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking indexmap v2.14.0
[INFO] [stderr]     Checking cpufeatures v0.2.17
[INFO] [stderr]     Checking iana-time-zone v0.1.65
[INFO] [stderr]     Checking once_cell v1.21.4
[INFO] [stderr]     Checking funty v2.0.0
[INFO] [stderr]     Checking ipnet v2.12.0
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking chrono v0.4.45
[INFO] [stderr]     Checking base64 v0.21.7
[INFO] [stderr]    Compiling powerfmt v0.2.0
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]     Checking unicode-properties v0.1.4
[INFO] [stderr]     Checking base64 v0.22.1
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]     Checking futures-sink v0.3.32
[INFO] [stderr]     Checking resolv-conf v0.7.6
[INFO] [stderr]     Checking time v0.3.47
[INFO] [stderr]     Checking uuid v1.23.2
[INFO] [stderr]     Checking serde_bytes v0.11.19
[INFO] [stderr]     Checking rustls-pemfile v1.0.4
[INFO] [stderr]     Checking stringprep v0.1.5
[INFO] [stderr]     Checking sha-1 v0.10.1
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling sct v0.7.1
[INFO] [stderr]    Compiling rustls-webpki v0.101.7
[INFO] [stderr]     Checking md-5 v0.10.6
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking pbkdf2 v0.11.0
[INFO] [stderr]     Checking rand v0.8.6
[INFO] [stderr]     Checking aho-corasick v1.1.4
[INFO] [stderr]     Checking rand v0.9.4
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking regex-syntax v0.8.10
[INFO] [stderr]     Checking webpki-roots v0.25.4
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling darling_core v0.13.4
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]     Checking regex-automata v0.4.14
[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/b52edc25bfbaa955b4b83c10f998e5224c3478b2/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="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=26fbceff9cd4104b -C extra-filename=-d479830a1d03f1ef --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-4e65ba962a324510.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-d8b25e15af30dc2b.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-8c98a1a0e58216a9.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 `syn` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/b52edc25bfbaa955b4b83c10f998e5224c3478b2/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.117/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="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=afd4680138d5422e -C extra-filename=-2a1a7d3235da2e23 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-4e65ba962a324510.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-d8b25e15af30dc2b.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-8c98a1a0e58216a9.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "d283d951a2ed36e1059c2f03bdcb9639be554e5f2372723114ae72fd279ed742", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d283d951a2ed36e1059c2f03bdcb9639be554e5f2372723114ae72fd279ed742", kill_on_drop: false }`
[INFO] [stdout] d283d951a2ed36e1059c2f03bdcb9639be554e5f2372723114ae72fd279ed742
