[INFO] cloning repository https://github.com/pengyang486868/Rust-Practice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pengyang486868/Rust-Practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpengyang486868%2FRust-Practice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpengyang486868%2FRust-Practice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 62f171c535bd2c34c68b03dfdec3f7ba5b0fea7a
[INFO] testing pengyang486868/Rust-Practice against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpengyang486868%2FRust-Practice" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pengyang486868/Rust-Practice 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/pengyang486868/Rust-Practice
[INFO] finished tweaking git repo https://github.com/pengyang486868/Rust-Practice
[INFO] tweaked toml for git repo https://github.com/pengyang486868/Rust-Practice written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/pengyang486868/Rust-Practice 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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 496c9a5cc1dbebb61f27ece90bbc12f16c13e1e95c7e3a6e892c624644866b2a
[INFO] running `Command { std: "docker" "start" "-a" "496c9a5cc1dbebb61f27ece90bbc12f16c13e1e95c7e3a6e892c624644866b2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "496c9a5cc1dbebb61f27ece90bbc12f16c13e1e95c7e3a6e892c624644866b2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "496c9a5cc1dbebb61f27ece90bbc12f16c13e1e95c7e3a6e892c624644866b2a", kill_on_drop: false }`
[INFO] [stdout] 496c9a5cc1dbebb61f27ece90bbc12f16c13e1e95c7e3a6e892c624644866b2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 2a3f80a6766af7162daad588a13c30f3fed524dea12c09de5e3c0ee4b563d62c
[INFO] running `Command { std: "docker" "start" "-a" "2a3f80a6766af7162daad588a13c30f3fed524dea12c09de5e3c0ee4b563d62c", kill_on_drop: false }`
[INFO] [stderr]    Compiling hello_world v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "2a3f80a6766af7162daad588a13c30f3fed524dea12c09de5e3c0ee4b563d62c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a3f80a6766af7162daad588a13c30f3fed524dea12c09de5e3c0ee4b563d62c", kill_on_drop: false }`
[INFO] [stdout] 2a3f80a6766af7162daad588a13c30f3fed524dea12c09de5e3c0ee4b563d62c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 15bbcffc51d49e5c578950afdf270765205a8b26c568dcf530ad0b1901e63ca6
[INFO] running `Command { std: "docker" "start" "-a" "15bbcffc51d49e5c578950afdf270765205a8b26c568dcf530ad0b1901e63ca6", kill_on_drop: false }`
[INFO] [stderr]    Compiling hello_world v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "15bbcffc51d49e5c578950afdf270765205a8b26c568dcf530ad0b1901e63ca6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15bbcffc51d49e5c578950afdf270765205a8b26c568dcf530ad0b1901e63ca6", kill_on_drop: false }`
[INFO] [stdout] 15bbcffc51d49e5c578950afdf270765205a8b26c568dcf530ad0b1901e63ca6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 50b8e1027ffb7f2b264ff2fd4f666d6fbf13209777edc8429765db74e4d91ad2
[INFO] running `Command { std: "docker" "start" "-a" "50b8e1027ffb7f2b264ff2fd4f666d6fbf13209777edc8429765db74e4d91ad2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/hello_world-70e4fa33a1e12d01)
[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" "50b8e1027ffb7f2b264ff2fd4f666d6fbf13209777edc8429765db74e4d91ad2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50b8e1027ffb7f2b264ff2fd4f666d6fbf13209777edc8429765db74e4d91ad2", kill_on_drop: false }`
[INFO] [stdout] 50b8e1027ffb7f2b264ff2fd4f666d6fbf13209777edc8429765db74e4d91ad2