[INFO] cloning repository https://github.com/Allen-Ning/rust_by_examples
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Allen-Ning/rust_by_examples" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAllen-Ning%2Frust_by_examples", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAllen-Ning%2Frust_by_examples'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eb87d67b1dab3adec3146e580bd62898ef376fee
[INFO] testing Allen-Ning/rust_by_examples against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAllen-Ning%2Frust_by_examples" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Allen-Ning/rust_by_examples on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Allen-Ning/rust_by_examples
[INFO] finished tweaking git repo https://github.com/Allen-Ning/rust_by_examples
[INFO] tweaked toml for git repo https://github.com/Allen-Ning/rust_by_examples written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/Allen-Ning/rust_by_examples already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 886d8ab65c904c096c14ed32fbcf2759dad6f8f50146b7bfea93e343fabaee20
[INFO] running `Command { std: "docker" "start" "-a" "886d8ab65c904c096c14ed32fbcf2759dad6f8f50146b7bfea93e343fabaee20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "886d8ab65c904c096c14ed32fbcf2759dad6f8f50146b7bfea93e343fabaee20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "886d8ab65c904c096c14ed32fbcf2759dad6f8f50146b7bfea93e343fabaee20", kill_on_drop: false }`
[INFO] [stdout] 886d8ab65c904c096c14ed32fbcf2759dad6f8f50146b7bfea93e343fabaee20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 25aa8c6fc9af5548265ea9762f4f6f6ab92959d3a3404af58ec3fd239bd26aff
[INFO] running `Command { std: "docker" "start" "-a" "25aa8c6fc9af5548265ea9762f4f6f6ab92959d3a3404af58ec3fd239bd26aff", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust_by_examples v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.38s
[INFO] running `Command { std: "docker" "inspect" "25aa8c6fc9af5548265ea9762f4f6f6ab92959d3a3404af58ec3fd239bd26aff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25aa8c6fc9af5548265ea9762f4f6f6ab92959d3a3404af58ec3fd239bd26aff", kill_on_drop: false }`
[INFO] [stdout] 25aa8c6fc9af5548265ea9762f4f6f6ab92959d3a3404af58ec3fd239bd26aff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 81e2be8a63b7a81cb0cc9b2d021628943f6e5032c786cab26a3eb5594f388aa8
[INFO] running `Command { std: "docker" "start" "-a" "81e2be8a63b7a81cb0cc9b2d021628943f6e5032c786cab26a3eb5594f388aa8", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_by_examples v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "81e2be8a63b7a81cb0cc9b2d021628943f6e5032c786cab26a3eb5594f388aa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81e2be8a63b7a81cb0cc9b2d021628943f6e5032c786cab26a3eb5594f388aa8", kill_on_drop: false }`
[INFO] [stdout] 81e2be8a63b7a81cb0cc9b2d021628943f6e5032c786cab26a3eb5594f388aa8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 471001ac309ad130d5a8192ebfac13b773d03d9292b796e396051d8dd78ce31b
[INFO] running `Command { std: "docker" "start" "-a" "471001ac309ad130d5a8192ebfac13b773d03d9292b796e396051d8dd78ce31b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_by_examples-703499990d53d762)
[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" "471001ac309ad130d5a8192ebfac13b773d03d9292b796e396051d8dd78ce31b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "471001ac309ad130d5a8192ebfac13b773d03d9292b796e396051d8dd78ce31b", kill_on_drop: false }`
[INFO] [stdout] 471001ac309ad130d5a8192ebfac13b773d03d9292b796e396051d8dd78ce31b