[INFO] cloning repository https://github.com/magurotuna/isucon9-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/magurotuna/isucon9-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmagurotuna%2Fisucon9-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmagurotuna%2Fisucon9-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 51789ef8a6c445948ccb8c676b3ee6737d5d8619
[INFO] documenting magurotuna/isucon9-rust against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmagurotuna%2Fisucon9-rust" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/magurotuna/isucon9-rust on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/magurotuna/isucon9-rust
[INFO] finished tweaking git repo https://github.com/magurotuna/isucon9-rust
[INFO] tweaked toml for git repo https://github.com/magurotuna/isucon9-rust written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/magurotuna/isucon9-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded whoami v0.9.0
[INFO] [stderr]   Downloaded atoi v0.3.2
[INFO] [stderr]   Downloaded rsa v0.3.0
[INFO] [stderr]   Downloaded sqlx-rt v0.1.1
[INFO] [stderr]   Downloaded sluice v0.5.2
[INFO] [stderr]   Downloaded async-recursion v0.3.1
[INFO] [stderr]   Downloaded num-bigint-dig v0.6.0
[INFO] [stderr]   Downloaded http-client v3.0.0
[INFO] [stderr]   Downloaded tide v0.13.0
[INFO] [stderr]   Downloaded tracing-attributes v0.1.10
[INFO] [stderr]   Downloaded sqlx-core v0.4.0-beta.1
[INFO] [stderr]   Downloaded surf v2.0.0-alpha.4
[INFO] [stderr]   Downloaded isahc v0.9.8
[INFO] [stderr]   Downloaded sqlx-macros v0.4.0-beta.1
[INFO] [stderr]   Downloaded libz-sys v1.1.0
[INFO] [stderr]   Downloaded sqlx v0.4.0-beta.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e5d8a0a9939bbf1b9b098c9e4984a19c5e8f9e4206cc18f656c51057e4b57082
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e5d8a0a9939bbf1b9b098c9e4984a19c5e8f9e4206cc18f656c51057e4b57082", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e5d8a0a9939bbf1b9b098c9e4984a19c5e8f9e4206cc18f656c51057e4b57082", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5d8a0a9939bbf1b9b098c9e4984a19c5e8f9e4206cc18f656c51057e4b57082", kill_on_drop: false }`
[INFO] [stdout] e5d8a0a9939bbf1b9b098c9e4984a19c5e8f9e4206cc18f656c51057e4b57082
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 756d7a6af4617569b3b624636befa983d6260e2e5b45ab3607d3e889aec53523
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "756d7a6af4617569b3b624636befa983d6260e2e5b45ab3607d3e889aec53523", kill_on_drop: false }`
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[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]     Checking tokio-io v0.1.13
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[INFO] [stderr]     Checking atoi v0.3.2
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[INFO] [stderr]    Compiling rand v0.7.3
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[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.67
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.67
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling zeroize_derive v1.0.0
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[INFO] [stderr]    Compiling tracing-attributes v0.1.10
[INFO] [stderr]    Compiling async-trait v0.1.36
[INFO] [stderr]    Compiling async-recursion v0.3.1
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[INFO] [stderr]     Checking time-macros v0.1.0
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[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking serde v1.0.114
[INFO] [stderr]     Checking smol v0.1.18
[INFO] [stderr]     Checking futures-executor v0.3.5
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[INFO] [stderr]     Checking serde_json v1.0.57
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[INFO] [stderr]     Checking simple_asn1 v0.4.1
[INFO] [stderr]     Checking js-sys v0.3.44
[INFO] [stderr]     Checking rsa v0.3.0
[INFO] [stderr]     Checking web-sys v0.3.44
[INFO] [stderr]     Checking gloo-timers v0.2.1
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[INFO] [stderr]     Checking async-native-tls v0.3.3
[INFO] [stderr]     Checking async-session v2.0.1
[INFO] [stderr]     Checking sqlx-rt v0.1.1
[INFO] [stderr]     Checking sqlx-core v0.4.0-beta.1
[INFO] [stderr]     Checking async-h1 v2.1.2
[INFO] [stderr]     Checking async-sse v4.0.0
[INFO] [stderr]     Checking http-client v3.0.0
[INFO] [stderr]     Checking tide v0.13.0
[INFO] [stderr]     Checking surf v2.0.0-alpha.4
[INFO] [stderr]    Compiling sqlx-macros v0.4.0-beta.1
[INFO] [stderr]     Checking sqlx v0.4.0-beta.1
[INFO] [stderr]  Documenting isucon9-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4m 18s
[INFO] running `Command { std: "docker" "inspect" "756d7a6af4617569b3b624636befa983d6260e2e5b45ab3607d3e889aec53523", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "756d7a6af4617569b3b624636befa983d6260e2e5b45ab3607d3e889aec53523", kill_on_drop: false }`
[INFO] [stdout] 756d7a6af4617569b3b624636befa983d6260e2e5b45ab3607d3e889aec53523