[INFO] fetching crate music-player-migration 0.2.0...
[INFO] testing music-player-migration-0.2.0 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate music-player-migration 0.2.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate music-player-migration 0.2.0
[INFO] finished tweaking crates.io crate music-player-migration 0.2.0
[INFO] tweaked toml for crates.io crate music-player-migration 0.2.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate music-player-migration 0.2.0 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 crates.io crate music-player-migration 0.2.0 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" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] ce77ce94470b938f5301c9cc5c7ed9f1f7973203d5c33edbc21c3ded6c8be385
[INFO] running `Command { std: "docker" "start" "ce77ce94470b938f5301c9cc5c7ed9f1f7973203d5c33edbc21c3ded6c8be385", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce77ce94470b938f5301c9cc5c7ed9f1f7973203d5c33edbc21c3ded6c8be385", 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" "ce77ce94470b938f5301c9cc5c7ed9f1f7973203d5c33edbc21c3ded6c8be385" "/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" "ce77ce94470b938f5301c9cc5c7ed9f1f7973203d5c33edbc21c3ded6c8be385", 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" "ce77ce94470b938f5301c9cc5c7ed9f1f7973203d5c33edbc21c3ded6c8be385" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling find-msvc-tools v0.1.12
[INFO] [stderr]    Compiling smallvec v1.16.0
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling libc v0.2.189
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling value-bag v1.14.1
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling futures-io v0.3.28
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]    Compiling proc-macro2 v1.0.107
[INFO] [stderr]    Compiling getrandom v0.2.8
[INFO] [stderr]    Compiling lock_api v0.4.14
[INFO] [stderr]    Compiling cc v1.4.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling rustls v0.20.8
[INFO] [stderr]    Compiling event-listener v2.5.3
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling generic-array v0.14.9
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling litemap v0.8.3
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling writeable v0.6.4
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling log v0.4.34
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling futures-sink v0.3.28
[INFO] [stderr]    Compiling utf8_iter v1.0.4
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling icu_properties_data v2.3.0
[INFO] [stderr]    Compiling icu_normalizer_data v2.3.0
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling crossbeam-queue v0.3.8
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling quote v1.0.47
[INFO] [stderr]    Compiling bytes v1.12.1
[INFO] [stderr]    Compiling serde v1.0.229
[INFO] [stderr]    Compiling fastrand v1.9.0
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling concurrent-queue v2.1.0
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]    Compiling syn v3.0.5
[INFO] [stderr]    Compiling futures-lite v1.12.0
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling paste v1.0.11
[INFO] [stderr]    Compiling mio v1.2.3
[INFO] [stderr]    Compiling socket2 v0.6.5
[INFO] [stderr]    Compiling tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling libsqlite3-sys v0.24.2
[INFO] [stderr]    Compiling tokio v1.53.1
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.3
[INFO] [stderr]    Compiling polling v2.5.2
[INFO] [stderr]    Compiling ucd-trie v0.1.5
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling itoa v1.0.5
[INFO] [stderr]    Compiling percent-encoding v2.3.2
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stderr]    Compiling pest v2.9.1
[INFO] [stderr]    Compiling unicode-normalization v0.1.22
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling async-lock v2.6.0
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling spin v0.9.5
[INFO] [stderr]    Compiling async-io v1.12.0
[INFO] [stderr]    Compiling tracing-core v0.1.30
[INFO] [stderr]    Compiling cpufeatures v0.2.17
[INFO] [stderr]    Compiling unicode_categories v0.1.1
[INFO] [stderr]    Compiling unicode-bidi v0.3.10
[INFO] [stderr]    Compiling async-trait v0.1.64
[INFO] [stderr]    Compiling base64 v0.21.0
[INFO] [stderr]    Compiling crc-catalog v2.2.0
[INFO] [stderr]    Compiling async-task v4.3.0
[INFO] [stderr]    Compiling rustversion v1.0.11
[INFO] [stderr]    Compiling stringprep v0.1.2
[INFO] [stderr]    Compiling rustls-pemfile v1.0.2
[INFO] [stderr]    Compiling crc v3.0.1
[INFO] [stderr]    Compiling sha2 v0.10.6
[INFO] [stderr]    Compiling pest_meta v2.9.1
[INFO] [stderr]    Compiling atoi v1.0.0
[INFO] [stderr]    Compiling sqlformat v0.2.1
[INFO] [stderr]    Compiling futures-intrusive v0.4.2
[INFO] [stderr]    Compiling hashlink v0.8.1
[INFO] [stderr]    Compiling async-channel v1.8.0
[INFO] [stderr]    Compiling socket2 v0.4.7
[INFO] [stderr]    Compiling aho-corasick v1.1.5
[INFO] [stderr]    Compiling atomic-waker v1.1.0
[INFO] [stderr]    Compiling regex-syntax v0.8.11
[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-3.0.5/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"' --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=3fe731ea36e5781b -C extra-filename=-484558f52b7e6472 --out-dir /opt/rustwide/target/release/build/syn/484558f52b7e6472/out -C strip=debuginfo -L dependency=/opt/rustwide/target/release/build/proc-macro2/d5c3ce6f648d2e11/out -L dependency=/opt/rustwide/target/release/build/unicode-ident/506d9faf4140212e/out --extern proc_macro2=/opt/rustwide/target/release/build/proc-macro2/d5c3ce6f648d2e11/out/libproc_macro2-d5c3ce6f648d2e11.rmeta --extern quote=/opt/rustwide/target/release/build/quote/2ff22f4df4e7422d/out/libquote-2ff22f4df4e7422d.rmeta --extern unicode_ident=/opt/rustwide/target/release/build/unicode-ident/506d9faf4140212e/out/libunicode_ident-506d9faf4140212e.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="fold"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --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", "test", "visit", "visit-mut"))' -C metadata=d0ae6664c0a31c79 -C extra-filename=-6a118a4c986f02a4 --out-dir /opt/rustwide/target/release/build/syn/6a118a4c986f02a4/out -C strip=debuginfo -L dependency=/opt/rustwide/target/release/build/proc-macro2/d5c3ce6f648d2e11/out -L dependency=/opt/rustwide/target/release/build/unicode-ident/506d9faf4140212e/out --extern proc_macro2=/opt/rustwide/target/release/build/proc-macro2/d5c3ce6f648d2e11/out/libproc_macro2-d5c3ce6f648d2e11.rmeta --extern quote=/opt/rustwide/target/release/build/quote/2ff22f4df4e7422d/out/libquote-2ff22f4df4e7422d.rmeta --extern unicode_ident=/opt/rustwide/target/release/build/unicode-ident/506d9faf4140212e/out/libunicode_ident-506d9faf4140212e.rmeta --cap-lints allow --cap-lints=warn --force-warn=unused_crate_dependencies` (signal: 9, SIGKILL: kill)
[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=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-1.0.107/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="quote"' --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", "quote", "test", "visit", "visit-mut"))' -C metadata=759e45b5c1f50504 -C extra-filename=-898ce32e25fc3434 --out-dir /opt/rustwide/target/release/build/syn/898ce32e25fc3434/out -C strip=debuginfo -L dependency=/opt/rustwide/target/release/build/proc-macro2/d5c3ce6f648d2e11/out -L dependency=/opt/rustwide/target/release/build/unicode-ident/506d9faf4140212e/out --extern proc_macro2=/opt/rustwide/target/release/build/proc-macro2/d5c3ce6f648d2e11/out/libproc_macro2-d5c3ce6f648d2e11.rmeta --extern quote=/opt/rustwide/target/release/build/quote/2ff22f4df4e7422d/out/libquote-2ff22f4df4e7422d.rmeta --extern unicode_ident=/opt/rustwide/target/release/build/unicode-ident/506d9faf4140212e/out/libunicode_ident-506d9faf4140212e.rmeta --cap-lints allow --cap-lints=warn --force-warn=unused_crate_dependencies --cfg syn_disable_nightly_tests` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "ce77ce94470b938f5301c9cc5c7ed9f1f7973203d5c33edbc21c3ded6c8be385", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce77ce94470b938f5301c9cc5c7ed9f1f7973203d5c33edbc21c3ded6c8be385", kill_on_drop: false }`
[INFO] [stdout] ce77ce94470b938f5301c9cc5c7ed9f1f7973203d5c33edbc21c3ded6c8be385
