[INFO] cloning repository https://github.com/BingKui/Rust-Learn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BingKui/Rust-Learn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBingKui%2FRust-Learn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBingKui%2FRust-Learn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8f5d2d69e7f1b7cacecb9d518edbba92b705a5b4
[INFO] testing BingKui/Rust-Learn against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBingKui%2FRust-Learn" "/workspace/builds/worker-17/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-17/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BingKui/Rust-Learn on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/BingKui/Rust-Learn
[INFO] finished tweaking git repo https://github.com/BingKui/Rust-Learn
[INFO] tweaked toml for git repo https://github.com/BingKui/Rust-Learn written to /workspace/builds/worker-17/source/Cargo.toml
[INFO] crate git repo https://github.com/BingKui/Rust-Learn already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4efe1ceef6895819d3fd993bf20547d237e81d43ab80dd581e1caef98983632a
[INFO] running `Command { std: "docker" "start" "-a" "4efe1ceef6895819d3fd993bf20547d237e81d43ab80dd581e1caef98983632a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4efe1ceef6895819d3fd993bf20547d237e81d43ab80dd581e1caef98983632a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4efe1ceef6895819d3fd993bf20547d237e81d43ab80dd581e1caef98983632a", kill_on_drop: false }`
[INFO] [stdout] 4efe1ceef6895819d3fd993bf20547d237e81d43ab80dd581e1caef98983632a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75b199bd4c2eb02f4e6974898822a72e6024ca7499d359ea854c9a9509ab7a5d
[INFO] running `Command { std: "docker" "start" "-a" "75b199bd4c2eb02f4e6974898822a72e6024ca7499d359ea854c9a9509ab7a5d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust-learn v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.19s
[INFO] running `Command { std: "docker" "inspect" "75b199bd4c2eb02f4e6974898822a72e6024ca7499d359ea854c9a9509ab7a5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75b199bd4c2eb02f4e6974898822a72e6024ca7499d359ea854c9a9509ab7a5d", kill_on_drop: false }`
[INFO] [stdout] 75b199bd4c2eb02f4e6974898822a72e6024ca7499d359ea854c9a9509ab7a5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0078fa3aa387724e074c8dab0acff5d29a8cea1e9c9583a1e98089845067695d
[INFO] running `Command { std: "docker" "start" "-a" "0078fa3aa387724e074c8dab0acff5d29a8cea1e9c9583a1e98089845067695d", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-learn v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "0078fa3aa387724e074c8dab0acff5d29a8cea1e9c9583a1e98089845067695d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0078fa3aa387724e074c8dab0acff5d29a8cea1e9c9583a1e98089845067695d", kill_on_drop: false }`
[INFO] [stdout] 0078fa3aa387724e074c8dab0acff5d29a8cea1e9c9583a1e98089845067695d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] da0753d6d760b97fc6e7a3914dd2b632b210b87fab7592cbe28f4a75da7dc623
[INFO] running `Command { std: "docker" "start" "-a" "da0753d6d760b97fc6e7a3914dd2b632b210b87fab7592cbe28f4a75da7dc623", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.22s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_learn-b4723674e60cc4ac)
[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" "da0753d6d760b97fc6e7a3914dd2b632b210b87fab7592cbe28f4a75da7dc623", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da0753d6d760b97fc6e7a3914dd2b632b210b87fab7592cbe28f4a75da7dc623", kill_on_drop: false }`
[INFO] [stdout] da0753d6d760b97fc6e7a3914dd2b632b210b87fab7592cbe28f4a75da7dc623