[INFO] cloning repository https://github.com/hotHeart48156/ruststudy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hotHeart48156/ruststudy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FhotHeart48156%2Fruststudy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FhotHeart48156%2Fruststudy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1313985b885404a63508351c8cb384eabb17025a
[INFO] testing hotHeart48156/ruststudy against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FhotHeart48156%2Fruststudy" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hotHeart48156/ruststudy on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hotHeart48156/ruststudy
[INFO] finished tweaking git repo https://github.com/hotHeart48156/ruststudy
[INFO] tweaked toml for git repo https://github.com/hotHeart48156/ruststudy written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/hotHeart48156/ruststudy already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 784aeaa6af30a9b93c5ccf15c479afc8be853b4afa880b7b96eddc392042d064
[INFO] running `Command { std: "docker" "start" "-a" "784aeaa6af30a9b93c5ccf15c479afc8be853b4afa880b7b96eddc392042d064", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "784aeaa6af30a9b93c5ccf15c479afc8be853b4afa880b7b96eddc392042d064", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "784aeaa6af30a9b93c5ccf15c479afc8be853b4afa880b7b96eddc392042d064", kill_on_drop: false }`
[INFO] [stdout] 784aeaa6af30a9b93c5ccf15c479afc8be853b4afa880b7b96eddc392042d064
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe348675e4da4c24d3e385c72c90aa63ebe54068ab0fa1bfc445549b98a2ce06
[INFO] running `Command { std: "docker" "start" "-a" "fe348675e4da4c24d3e385c72c90aa63ebe54068ab0fa1bfc445549b98a2ce06", kill_on_drop: false }`
[INFO] [stderr]    Compiling ruststudy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "fe348675e4da4c24d3e385c72c90aa63ebe54068ab0fa1bfc445549b98a2ce06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe348675e4da4c24d3e385c72c90aa63ebe54068ab0fa1bfc445549b98a2ce06", kill_on_drop: false }`
[INFO] [stdout] fe348675e4da4c24d3e385c72c90aa63ebe54068ab0fa1bfc445549b98a2ce06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 753c1f587b80c66be7aa716b3d4024d2b1335eb7a766156c6e8f28348ee92e4d
[INFO] running `Command { std: "docker" "start" "-a" "753c1f587b80c66be7aa716b3d4024d2b1335eb7a766156c6e8f28348ee92e4d", kill_on_drop: false }`
[INFO] [stderr]    Compiling ruststudy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "753c1f587b80c66be7aa716b3d4024d2b1335eb7a766156c6e8f28348ee92e4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "753c1f587b80c66be7aa716b3d4024d2b1335eb7a766156c6e8f28348ee92e4d", kill_on_drop: false }`
[INFO] [stdout] 753c1f587b80c66be7aa716b3d4024d2b1335eb7a766156c6e8f28348ee92e4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 607ed84cf6faf6e88f938e115dd4e5cd3b93738b4959efeefdf507fdff8ad6dc
[INFO] running `Command { std: "docker" "start" "-a" "607ed84cf6faf6e88f938e115dd4e5cd3b93738b4959efeefdf507fdff8ad6dc", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ruststudy-83662badc03f6a7d)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "607ed84cf6faf6e88f938e115dd4e5cd3b93738b4959efeefdf507fdff8ad6dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "607ed84cf6faf6e88f938e115dd4e5cd3b93738b4959efeefdf507fdff8ad6dc", kill_on_drop: false }`
[INFO] [stdout] 607ed84cf6faf6e88f938e115dd4e5cd3b93738b4959efeefdf507fdff8ad6dc