[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#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBingKui%2FRust-Learn" "/workspace/builds/worker-103/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-103/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BingKui/Rust-Learn on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-103/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 22bb03824bd818b517a0d5052cd4b887003a8ab176f85c0d78fd5241dd393963
[INFO] running `Command { std: "docker" "start" "-a" "22bb03824bd818b517a0d5052cd4b887003a8ab176f85c0d78fd5241dd393963", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "22bb03824bd818b517a0d5052cd4b887003a8ab176f85c0d78fd5241dd393963", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22bb03824bd818b517a0d5052cd4b887003a8ab176f85c0d78fd5241dd393963", kill_on_drop: false }`
[INFO] [stdout] 22bb03824bd818b517a0d5052cd4b887003a8ab176f85c0d78fd5241dd393963
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eeb613aa268b497eb5210698dae5ec193e6c66ba93b0f2dee11331b35ab3d024
[INFO] running `Command { std: "docker" "start" "-a" "eeb613aa268b497eb5210698dae5ec193e6c66ba93b0f2dee11331b35ab3d024", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-learn v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "eeb613aa268b497eb5210698dae5ec193e6c66ba93b0f2dee11331b35ab3d024", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eeb613aa268b497eb5210698dae5ec193e6c66ba93b0f2dee11331b35ab3d024", kill_on_drop: false }`
[INFO] [stdout] eeb613aa268b497eb5210698dae5ec193e6c66ba93b0f2dee11331b35ab3d024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f41c57b232cce6ce6d2d6b5854efa4ef8c865f03d2f68278106614fa67e986d9
[INFO] running `Command { std: "docker" "start" "-a" "f41c57b232cce6ce6d2d6b5854efa4ef8c865f03d2f68278106614fa67e986d9", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-learn v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "f41c57b232cce6ce6d2d6b5854efa4ef8c865f03d2f68278106614fa67e986d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f41c57b232cce6ce6d2d6b5854efa4ef8c865f03d2f68278106614fa67e986d9", kill_on_drop: false }`
[INFO] [stdout] f41c57b232cce6ce6d2d6b5854efa4ef8c865f03d2f68278106614fa67e986d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 283e9cba306210527fe4f41e2ef681feb32ce7cc535114ceb00284ed59ced819
[INFO] running `Command { std: "docker" "start" "-a" "283e9cba306210527fe4f41e2ef681feb32ce7cc535114ceb00284ed59ced819", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[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" "283e9cba306210527fe4f41e2ef681feb32ce7cc535114ceb00284ed59ced819", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "283e9cba306210527fe4f41e2ef681feb32ce7cc535114ceb00284ed59ced819", kill_on_drop: false }`
[INFO] [stdout] 283e9cba306210527fe4f41e2ef681feb32ce7cc535114ceb00284ed59ced819