[INFO] cloning repository https://github.com/hinto-janai/mw
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hinto-janai/mw" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhinto-janai%2Fmw", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhinto-janai%2Fmw'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 602d304dc05ec34672a3659ef720e769e5dda915
[INFO] checking hinto-janai/mw against try#50d7e48beb74b48bd17c3749bfb73843c9ae0166 for pr-151102
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhinto-janai%2Fmw" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/hinto-janai/mw
[INFO] finished tweaking git repo https://github.com/hinto-janai/mw
[INFO] tweaked toml for git repo https://github.com/hinto-janai/mw written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/hinto-janai/mw on toolchain 50d7e48beb74b48bd17c3749bfb73843c9ae0166
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+50d7e48beb74b48bd17c3749bfb73843c9ae0166" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/hinto-janai/mw 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" "+50d7e48beb74b48bd17c3749bfb73843c9ae0166" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+50d7e48beb74b48bd17c3749bfb73843c9ae0166" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fe70a46673e59c3a3b2901fbb5c4754f6a62ce8473ed13665277c9059ba625c1
[INFO] running `Command { std: "docker" "start" "-a" "fe70a46673e59c3a3b2901fbb5c4754f6a62ce8473ed13665277c9059ba625c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe70a46673e59c3a3b2901fbb5c4754f6a62ce8473ed13665277c9059ba625c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe70a46673e59c3a3b2901fbb5c4754f6a62ce8473ed13665277c9059ba625c1", kill_on_drop: false }`
[INFO] [stdout] fe70a46673e59c3a3b2901fbb5c4754f6a62ce8473ed13665277c9059ba625c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+50d7e48beb74b48bd17c3749bfb73843c9ae0166" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9bec7a8fa618e328cf410cb9f3e647bfbebaf96ccbc81611dd2c2dd1f1288e3e
[INFO] running `Command { std: "docker" "start" "-a" "9bec7a8fa618e328cf410cb9f3e647bfbebaf96ccbc81611dd2c2dd1f1288e3e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.85
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]    Compiling serde v1.0.203
[INFO] [stderr]     Checking base64ct v1.6.0
[INFO] [stderr]    Compiling thiserror v1.0.61
[INFO] [stderr]    Compiling rustversion v1.0.17
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]    Compiling jobserver v0.1.31
[INFO] [stderr]    Compiling semver v1.0.23
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking zerocopy v0.7.34
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling toml_datetime v0.6.6
[INFO] [stderr]     Checking either v1.12.0
[INFO] [stderr]     Checking miniz_oxide v0.7.3
[INFO] [stderr]     Checking lock_api v0.4.12
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling cc v1.0.99
[INFO] [stderr]    Compiling platforms v3.4.0
[INFO] [stderr]    Compiling num-bigint-dig v0.8.4
[INFO] [stderr]     Checking pem-rfc7468 v0.7.0
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking ahash v0.8.11
[INFO] [stderr]    Compiling indexmap v2.2.6
[INFO] [stderr]     Checking gimli v0.29.0
[INFO] [stderr]    Compiling time-macros v0.2.18
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking object v0.36.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling sha3 v0.10.8
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]     Checking retry-error v0.5.3
[INFO] [stderr]     Checking regex-syntax v0.8.4
[INFO] [stderr]    Compiling syn v2.0.66
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]     Checking fluid-let v1.0.0
[INFO] [stderr]     Checking option-ext v0.2.0
[INFO] [stderr]    Compiling derive-adhoc-macros v0.7.3
[INFO] [stderr]    Compiling num-bigint v0.4.5
[INFO] [stderr]    Compiling toml_edit v0.21.1
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]     Checking dirs-sys v0.4.1
[INFO] [stderr]    Compiling curve25519-dalek v4.1.2
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]     Checking itertools v0.12.1
[INFO] [stderr]    Compiling derive-deftly-macros v0.10.5
[INFO] [stderr]     Checking heck v0.4.1
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking dirs v5.0.1
[INFO] [stderr]     Checking winnow v0.6.13
[INFO] [stderr]     Checking time v0.3.36
[INFO] [stderr]     Checking heck v0.5.0
[INFO] [stderr]    Compiling uncased v0.9.10
[INFO] [stderr]    Compiling figment v0.10.19
[INFO] [stderr]    Compiling native-tls v0.2.12
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]     Checking ordered-float v2.10.1
[INFO] [stderr]    Compiling backtrace v0.3.73
[INFO] [stderr]    Compiling openssl-sys v0.9.102
[INFO] [stderr]     Checking caret v0.4.6
[INFO] [stderr]     Checking shellexpand v3.1.0
[INFO] [stderr]     Checking directories v5.0.1
[INFO] [stderr]     Checking amplify_num v0.5.2
[INFO] [stderr]    Compiling phf_shared v0.11.2
[INFO] [stderr]    Compiling async_executors v0.7.0
[INFO] [stderr]     Checking addr2line v0.22.0
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]    Compiling proc-macro-crate v3.1.0
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]     Checking by_address v1.2.1
[INFO] [stderr]    Compiling openssl v0.10.64
[INFO] [stderr]    Compiling phf_generator v0.11.2
[INFO] [stderr]     Checking weak-table v0.3.2
[INFO] [stderr]     Checking http v1.1.0
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking coarsetime v0.1.34
[INFO] [stderr]    Compiling slotmap v1.0.7
[INFO] [stderr]    Compiling zstd-sys v2.0.11+zstd.1.5.6
[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/50d7e48beb74b48bd17c3749bfb73843c9ae0166/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"' --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=ff36425962b0f01b -C extra-filename=-aa79aa9e77b608ca --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-801c690b3bec6267.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-8a0314c02742451e.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-f2de522ba645d884.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "9bec7a8fa618e328cf410cb9f3e647bfbebaf96ccbc81611dd2c2dd1f1288e3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bec7a8fa618e328cf410cb9f3e647bfbebaf96ccbc81611dd2c2dd1f1288e3e", kill_on_drop: false }`
[INFO] [stdout] 9bec7a8fa618e328cf410cb9f3e647bfbebaf96ccbc81611dd2c2dd1f1288e3e