[INFO] cloning repository https://github.com/vic-shihang-li/waterfall
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vic-shihang-li/waterfall" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvic-shihang-li%2Fwaterfall", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvic-shihang-li%2Fwaterfall'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2d08b3342d698be74f07717d2f0da642b164cf9c
[INFO] checking vic-shihang-li/waterfall against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvic-shihang-li%2Fwaterfall" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/vic-shihang-li/waterfall
[INFO] finished tweaking git repo https://github.com/vic-shihang-li/waterfall
[INFO] tweaked toml for git repo https://github.com/vic-shihang-li/waterfall written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/vic-shihang-li/waterfall on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/vic-shihang-li/waterfall 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "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 const-random v0.1.13
[INFO] [stderr]   Downloaded dashmap v3.11.10
[INFO] [stderr]   Downloaded quickcheck_macros v1.0.0
[INFO] [stderr]   Downloaded const-random-macro v0.1.13
[INFO] [stderr]   Downloaded quickcheck v1.0.3
[INFO] [stderr]   Downloaded uuid v0.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 57da49646df1b61ea734998ccd95f8ab720eff04bde83a7e5b094f79b5f82c97
[INFO] running `Command { std: "docker" "start" "-a" "57da49646df1b61ea734998ccd95f8ab720eff04bde83a7e5b094f79b5f82c97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57da49646df1b61ea734998ccd95f8ab720eff04bde83a7e5b094f79b5f82c97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57da49646df1b61ea734998ccd95f8ab720eff04bde83a7e5b094f79b5f82c97", kill_on_drop: false }`
[INFO] [stdout] 57da49646df1b61ea734998ccd95f8ab720eff04bde83a7e5b094f79b5f82c97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c759709cb2eef1dd2ddb271db9ef7a7625ae95caa9fa471cb355b764e4970cb
[INFO] running `Command { std: "docker" "start" "-a" "9c759709cb2eef1dd2ddb271db9ef7a7625ae95caa9fa471cb355b764e4970cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]    Compiling quickcheck_macros v1.0.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]    Compiling const-random-macro v0.1.13
[INFO] [stderr]     Checking const-random v0.1.13
[INFO] [stderr]     Checking ahash v0.3.8
[INFO] [stderr]     Checking dashmap v3.11.10
[INFO] [stderr]     Checking quickcheck v1.0.3
[INFO] [stderr]     Checking uuid v0.5.1
[INFO] [stderr]     Checking waterfall v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.70s
[INFO] running `Command { std: "docker" "inspect" "9c759709cb2eef1dd2ddb271db9ef7a7625ae95caa9fa471cb355b764e4970cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c759709cb2eef1dd2ddb271db9ef7a7625ae95caa9fa471cb355b764e4970cb", kill_on_drop: false }`
[INFO] [stdout] 9c759709cb2eef1dd2ddb271db9ef7a7625ae95caa9fa471cb355b764e4970cb