[INFO] cloning repository https://github.com/chainbotlab/chainbot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chainbotlab/chainbot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchainbotlab%2Fchainbot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchainbotlab%2Fchainbot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bcc08967be0963ae794ef8baa404910d639e5d0a
[INFO] checking chainbotlab/chainbot against try#53f0b05ecbcf011a1f77f1c627304e87ebd05801 for pr-154492
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchainbotlab%2Fchainbot" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/chainbotlab/chainbot
[INFO] finished tweaking git repo https://github.com/chainbotlab/chainbot
[INFO] tweaked toml for git repo https://github.com/chainbotlab/chainbot written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/chainbotlab/chainbot on toolchain 53f0b05ecbcf011a1f77f1c627304e87ebd05801
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+53f0b05ecbcf011a1f77f1c627304e87ebd05801" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/chainbotlab/chainbot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+53f0b05ecbcf011a1f77f1c627304e87ebd05801" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+53f0b05ecbcf011a1f77f1c627304e87ebd05801" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 601af79d93061eca94407adacaffb2781e4e15abfdd6e01a9eeeb6f795db467b
[INFO] running `Command { std: "docker" "start" "-a" "601af79d93061eca94407adacaffb2781e4e15abfdd6e01a9eeeb6f795db467b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "601af79d93061eca94407adacaffb2781e4e15abfdd6e01a9eeeb6f795db467b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "601af79d93061eca94407adacaffb2781e4e15abfdd6e01a9eeeb6f795db467b", kill_on_drop: false }`
[INFO] [stdout] 601af79d93061eca94407adacaffb2781e4e15abfdd6e01a9eeeb6f795db467b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+53f0b05ecbcf011a1f77f1c627304e87ebd05801" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6418fc6e65ad4c271fa5e4833a89b0ba5a2b212dffb77f3fa226a89c7e3119d5
[INFO] running `Command { std: "docker" "start" "-a" "6418fc6e65ad4c271fa5e4833a89b0ba5a2b212dffb77f3fa226a89c7e3119d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.117
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[INFO] [stderr]     Checking chainbot v2.4.2 (/opt/rustwide/workdir/crates/chainbot)
[INFO] [stdout] warning: function `count_json_files` is never used
[INFO] [stdout]    --> crates/chainbot/tests/end_to_end_vertical_slice.rs:637:4
[INFO] [stdout]     |
[INFO] [stdout] 637 | fn count_json_files(path: &Path) -> usize {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `write_json_file` is never used
[INFO] [stdout]    --> crates/chainbot/tests/end_to_end_vertical_slice.rs:805:4
[INFO] [stdout]     |
[INFO] [stdout] 805 | fn write_json_file<T>(path: &Path, value: &T)
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4m 25s
[INFO] running `Command { std: "docker" "inspect" "6418fc6e65ad4c271fa5e4833a89b0ba5a2b212dffb77f3fa226a89c7e3119d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6418fc6e65ad4c271fa5e4833a89b0ba5a2b212dffb77f3fa226a89c7e3119d5", kill_on_drop: false }`
[INFO] [stdout] 6418fc6e65ad4c271fa5e4833a89b0ba5a2b212dffb77f3fa226a89c7e3119d5