[INFO] cloning repository https://github.com/Ujang360/json-token-perf
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Ujang360/json-token-perf" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUjang360%2Fjson-token-perf", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUjang360%2Fjson-token-perf'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4ce9b241ee08d4f74afda508e7ee361f8b524f18
[INFO] checking Ujang360/json-token-perf against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUjang360%2Fjson-token-perf" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Ujang360/json-token-perf on toolchain 07fecb9cf34c4979a772ba38c99d6d9144768413
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Ujang360/json-token-perf
[INFO] finished tweaking git repo https://github.com/Ujang360/json-token-perf
[INFO] tweaked toml for git repo https://github.com/Ujang360/json-token-perf written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/Ujang360/json-token-perf already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3f392426ed0be336ab8428f31dbdace93d8650d12721ca7df8905dda0271b30a
[INFO] running `Command { std: "docker" "start" "-a" "3f392426ed0be336ab8428f31dbdace93d8650d12721ca7df8905dda0271b30a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f392426ed0be336ab8428f31dbdace93d8650d12721ca7df8905dda0271b30a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f392426ed0be336ab8428f31dbdace93d8650d12721ca7df8905dda0271b30a", kill_on_drop: false }`
[INFO] [stdout] 3f392426ed0be336ab8428f31dbdace93d8650d12721ca7df8905dda0271b30a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7dc076c05a81dc74f557c32710fe405a93907568119594430ddb90b57c4934a7
[INFO] running `Command { std: "docker" "start" "-a" "7dc076c05a81dc74f557c32710fe405a93907568119594430ddb90b57c4934a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.70
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling tapa-trait-serde-derive v0.2.0
[INFO] [stderr]     Checking serde v1.0.125
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking tapa-trait-serde v0.2.0
[INFO] [stderr]     Checking json-token-perf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.91s
[INFO] running `Command { std: "docker" "inspect" "7dc076c05a81dc74f557c32710fe405a93907568119594430ddb90b57c4934a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7dc076c05a81dc74f557c32710fe405a93907568119594430ddb90b57c4934a7", kill_on_drop: false }`
[INFO] [stdout] 7dc076c05a81dc74f557c32710fe405a93907568119594430ddb90b57c4934a7