[INFO] cloning repository https://github.com/qiwihui/todo-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/qiwihui/todo-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqiwihui%2Ftodo-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqiwihui%2Ftodo-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d21b2edd57a138d6f0d6f0a5a2168d95c3a1f6b5
[INFO] documenting qiwihui/todo-rs against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqiwihui%2Ftodo-rs" "/workspace/builds/worker-31/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-31/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/qiwihui/todo-rs on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/qiwihui/todo-rs
[INFO] finished tweaking git repo https://github.com/qiwihui/todo-rs
[INFO] tweaked toml for git repo https://github.com/qiwihui/todo-rs written to /workspace/builds/worker-31/source/Cargo.toml
[INFO] crate git repo https://github.com/qiwihui/todo-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-pg-mapper v0.1.8
[INFO] [stderr]   Downloaded tokio-pg-mapper-derive v0.1.5
[INFO] [stderr]   Downloaded syn v1.0.45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f86d0173b087c636dfbd66e65e53aaa815622fb769068bab64928925882ebf87
[INFO] running `Command { std: "docker" "start" "-a" "f86d0173b087c636dfbd66e65e53aaa815622fb769068bab64928925882ebf87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f86d0173b087c636dfbd66e65e53aaa815622fb769068bab64928925882ebf87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f86d0173b087c636dfbd66e65e53aaa815622fb769068bab64928925882ebf87", kill_on_drop: false }`
[INFO] [stdout] f86d0173b087c636dfbd66e65e53aaa815622fb769068bab64928925882ebf87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 378d63fae3ef1d2db80b3b6b188f3c88a099c6beea395f9e2923f5e67b74f860
[INFO] running `Command { std: "docker" "start" "-a" "378d63fae3ef1d2db80b3b6b188f3c88a099c6beea395f9e2923f5e67b74f860", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling syn v1.0.45
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]     Checking futures-core v0.3.6
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking futures-sink v0.3.6
[INFO] [stderr]     Checking pin-project-lite v0.1.10
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking arc-swap v0.4.7
[INFO] [stderr]     Checking futures-io v0.3.6
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking tinyvec v0.3.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking regex-syntax v0.6.20
[INFO] [stderr]     Checking copyless v0.1.5
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking subtle v2.3.0
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]     Checking object v0.21.1
[INFO] [stderr]    Compiling cc v1.0.61
[INFO] [stderr]     Checking rustc-demangle v0.1.17
[INFO] [stderr]    Compiling const_fn v0.4.2
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]    Compiling lexical-core v0.7.4
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling encoding_rs v0.8.24
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling cpuid-bool v0.1.2
[INFO] [stderr]     Checking siphasher v0.3.3
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking rust-ini v0.13.0
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]     Checking humantime v2.0.1
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking dotenv v0.15.0
[INFO] [stderr]     Checking futures-channel v0.3.6
[INFO] [stderr]     Checking instant v0.1.7
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling standback v0.2.11
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling time v0.2.22
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling cookie v0.14.2
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking tinyvec v1.0.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking sha2 v0.9.1
[INFO] [stderr]     Checking sha-1 v0.9.1
[INFO] [stderr]     Checking futures-task v0.3.6
[INFO] [stderr]     Checking crypto-mac v0.9.1
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]     Checking bytestring v0.1.5
[INFO] [stderr] error: could not compile `regex-syntax`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name regex_syntax /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-syntax-0.6.20/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="unicode"' --cfg 'feature="unicode-age"' --cfg 'feature="unicode-bool"' --cfg 'feature="unicode-case"' --cfg 'feature="unicode-gencat"' --cfg 'feature="unicode-perl"' --cfg 'feature="unicode-script"' --cfg 'feature="unicode-segment"' -C metadata=e04d60ed1f8238f2 -C extra-filename=-e04d60ed1f8238f2 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `object`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name object --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/object-0.21.1/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="coff"' --cfg 'feature="elf"' --cfg 'feature="macho"' --cfg 'feature="pe"' --cfg 'feature="read_core"' --cfg 'feature="unaligned"' -C metadata=44b7c02234722148 -C extra-filename=-44b7c02234722148 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `gimli`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name gimli --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gimli-0.22.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="read"' -C metadata=8a36db4bc8d31484 -C extra-filename=-8a36db4bc8d31484 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `proc-macro-hack`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name proc_macro_hack --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro-hack-0.5.18/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 -C debuginfo=2 -C metadata=ca6aa5d538ed2e1c -C extra-filename=-ca6aa5d538ed2e1c --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `cc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name cc --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cc-1.0.61/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 -C debuginfo=2 -C metadata=1716c594f3f6621f -C extra-filename=-1716c594f3f6621f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `base64`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name base64 --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/base64-0.13.0/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 -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="std"' -C metadata=b63434a4515c738b -C extra-filename=-b63434a4515c738b --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `arrayvec`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name arrayvec --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/arrayvec-0.5.1/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="array-sizes-33-128"' --cfg 'feature="default"' --cfg 'feature="std"' -C metadata=f5472db652bfa615 -C extra-filename=-f5472db652bfa615 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not compile `bytes`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name bytes --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/bytes-0.5.6/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 -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="std"' -C metadata=fe3466ffd68c556e -C extra-filename=-fe3466ffd68c556e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "378d63fae3ef1d2db80b3b6b188f3c88a099c6beea395f9e2923f5e67b74f860", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "378d63fae3ef1d2db80b3b6b188f3c88a099c6beea395f9e2923f5e67b74f860", kill_on_drop: false }`
[INFO] [stdout] 378d63fae3ef1d2db80b3b6b188f3c88a099c6beea395f9e2923f5e67b74f860