[INFO] cloning repository https://github.com/Luminoth/echo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Luminoth/echo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLuminoth%2Fecho", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLuminoth%2Fecho'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 94fe1642eb802622d34203e15104cfbfd7a7631d
[INFO] documenting Luminoth/echo 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%2FLuminoth%2Fecho" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Luminoth/echo 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] removed /workspace/builds/worker-15/source/.cargo/config
[INFO] started tweaking git repo https://github.com/Luminoth/echo
[INFO] finished tweaking git repo https://github.com/Luminoth/echo
[INFO] tweaked toml for git repo https://github.com/Luminoth/echo written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/Luminoth/echo 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tonic-build v0.6.2
[INFO] [stderr]   Downloaded tonic v0.6.2
[INFO] [stderr]   Downloaded protobuf-codegen v2.25.2
[INFO] [stderr]   Downloaded protobuf-codegen-pure v2.25.2
[INFO] [stderr]   Downloaded zeroize v1.5.0
[INFO] [stderr]   Downloaded tokio-io-timeout v1.2.0
[INFO] [stderr]   Downloaded tracing-appender v0.2.0
[INFO] [stderr]   Downloaded hdrhistogram v7.4.0
[INFO] [stderr]   Downloaded socket2 v0.4.3
[INFO] [stderr]   Downloaded console-api v0.1.1
[INFO] [stderr]   Downloaded console-subscriber v0.1.1
[INFO] [stderr]   Downloaded aws-gamelift-server-sdk-rs v0.3.0
[INFO] [stderr]   Downloaded aws-sdk-gamelift v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] bbfeab3c899d6fab6cb1f45f9adbdfa6ac1d0a81b76130845c2d9ed441e0e7fa
[INFO] running `Command { std: "docker" "start" "-a" "bbfeab3c899d6fab6cb1f45f9adbdfa6ac1d0a81b76130845c2d9ed441e0e7fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bbfeab3c899d6fab6cb1f45f9adbdfa6ac1d0a81b76130845c2d9ed441e0e7fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbfeab3c899d6fab6cb1f45f9adbdfa6ac1d0a81b76130845c2d9ed441e0e7fa", kill_on_drop: false }`
[INFO] [stdout] bbfeab3c899d6fab6cb1f45f9adbdfa6ac1d0a81b76130845c2d9ed441e0e7fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 4c04e093d323b1a37722d0b1b6a657da94879dcd0c06a9f6d77b083a08f8f0c5
[INFO] running `Command { std: "docker" "start" "-a" "4c04e093d323b1a37722d0b1b6a657da94879dcd0c06a9f6d77b083a08f8f0c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling libc v0.2.113
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling futures-util v0.3.19
[INFO] [stderr]    Compiling futures-channel v0.3.19
[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stderr]     Checking num_threads v0.1.2
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling anyhow v1.0.53
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.135
[INFO] [stderr]     Checking tower-layer v0.3.1
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling serde v1.0.135
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling fixedbitset v0.4.1
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling protobuf v2.25.2
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling fastrand v1.7.0
[INFO] [stderr]     Checking zeroize v1.5.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]    Compiling async-trait v0.1.52
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.6
[INFO] [stderr]    Compiling rustversion v1.0.6
[INFO] [stderr]     Checking cpufeatures v0.2.1
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking xmlparser v0.13.3
[INFO] [stderr]     Checking urlencoding v1.3.3
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]    Compiling argh_shared v0.1.7
[INFO] [stderr]     Checking futures-io v0.3.19
[INFO] [stderr]     Checking ipnet v2.3.1
[INFO] [stderr]     Checking strum v0.23.0
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]    Compiling futures-core v0.3.19
[INFO] [stderr]     Checking tracing-core v0.1.21
[INFO] [stderr]    Compiling futures-task v0.3.19
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]     Checking tinyvec v1.5.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling nom v7.1.0
[INFO] [stderr]    Compiling crc32fast v1.3.1
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]    Compiling encoding_rs v0.8.30
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]    Compiling serde_json v1.0.78
[INFO] [stderr] error: could not compile `rustversion`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name build_script_build --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustversion-1.0.6/build/build.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 -C metadata=9bd986959c2f4e58 -C extra-filename=-9bd986959c2f4e58 --out-dir /opt/rustwide/target/debug/build/rustversion-9bd986959c2f4e58 -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 `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-1.1.0/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="default"' --cfg 'feature="std"' -C metadata=57de1f6d7c9c6f6c -C extra-filename=-57de1f6d7c9c6f6c --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-macro2`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name build_script_build --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-1.0.36/build.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="proc-macro"' -C metadata=7c448d0b22860ca2 -C extra-filename=-7c448d0b22860ca2 --out-dir /opt/rustwide/target/debug/build/proc-macro2-7c448d0b22860ca2 -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (signal: 9, SIGKILL: kill)
[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 --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-syntax-0.6.25/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="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=3da0f9b74b112533 -C extra-filename=-3da0f9b74b112533 --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 `sharded-slab`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name sharded_slab --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/sharded-slab-0.1.4/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 -C metadata=fa85190f564fdb7f -C extra-filename=-fa85190f564fdb7f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-1479f2b7adeaa2b6.rmeta --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-1.0.72/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=63eda2470f4ba7a6 -C extra-filename=-63eda2470f4ba7a6 --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 `encoding_rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name encoding_rs --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/encoding_rs-0.8.30/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="alloc"' --cfg 'feature="default"' -C metadata=c508f49bb355a3e1 -C extra-filename=-c508f49bb355a3e1 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-dcce77079dd8fe1e.rmeta --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "4c04e093d323b1a37722d0b1b6a657da94879dcd0c06a9f6d77b083a08f8f0c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c04e093d323b1a37722d0b1b6a657da94879dcd0c06a9f6d77b083a08f8f0c5", kill_on_drop: false }`
[INFO] [stdout] 4c04e093d323b1a37722d0b1b6a657da94879dcd0c06a9f6d77b083a08f8f0c5