[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] a58b7acb8972931c8c4b3630755db68ab01c0e21
[INFO] documenting magurotuna/isucon9-rust against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmagurotuna%2Fisucon9-rust" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/magurotuna/isucon9-rust on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-6/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-2021-08-01" "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 async-channel v1.4.0
[INFO] [stderr]   Downloaded atoi v0.3.2
[INFO] [stderr]   Downloaded sqlx-macros v0.4.0-beta.1
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[INFO] [stderr]   Downloaded tracing-attributes v0.1.10
[INFO] [stderr]   Downloaded sqlx-core v0.4.0-beta.1
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[INFO] [stderr]   Downloaded curl v0.4.31
[INFO] [stderr]   Downloaded curl-sys v0.4.34+curl-7.71.1
[INFO] [stderr]   Downloaded libz-sys v1.1.0
[INFO] [stderr]   Downloaded http-client v3.0.0
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 64dc2be8919c189bb890037af4edf55a5da669638f1b1516344a07997143db6c
[INFO] running `Command { std: "docker" "start" "-a" "64dc2be8919c189bb890037af4edf55a5da669638f1b1516344a07997143db6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64dc2be8919c189bb890037af4edf55a5da669638f1b1516344a07997143db6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64dc2be8919c189bb890037af4edf55a5da669638f1b1516344a07997143db6c", kill_on_drop: false }`
[INFO] [stdout] 64dc2be8919c189bb890037af4edf55a5da669638f1b1516344a07997143db6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef626cac36d4511006566db1bfb3f08df936d21a0acf91c8e1189d5dbc5ca7d7
[INFO] running `Command { std: "docker" "start" "-a" "ef626cac36d4511006566db1bfb3f08df936d21a0acf91c8e1189d5dbc5ca7d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.38
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[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 1m 30s
[INFO] running `Command { std: "docker" "inspect" "ef626cac36d4511006566db1bfb3f08df936d21a0acf91c8e1189d5dbc5ca7d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef626cac36d4511006566db1bfb3f08df936d21a0acf91c8e1189d5dbc5ca7d7", kill_on_drop: false }`
[INFO] [stdout] ef626cac36d4511006566db1bfb3f08df936d21a0acf91c8e1189d5dbc5ca7d7