[INFO] cloning repository https://github.com/learn-you-a-rust/structs_example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/learn-you-a-rust/structs_example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flearn-you-a-rust%2Fstructs_example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flearn-you-a-rust%2Fstructs_example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] be9b4b2f694b4aa2ea787f63daa8e0c8b574a754
[INFO] testing learn-you-a-rust/structs_example against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flearn-you-a-rust%2Fstructs_example" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/learn-you-a-rust/structs_example 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/learn-you-a-rust/structs_example
[INFO] finished tweaking git repo https://github.com/learn-you-a-rust/structs_example
[INFO] tweaked toml for git repo https://github.com/learn-you-a-rust/structs_example written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/learn-you-a-rust/structs_example 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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] a35a37836019438a266c9ece43a086bfb070dd41d5db7b9d41ba4d511ae6f66c
[INFO] running `Command { std: "docker" "start" "-a" "a35a37836019438a266c9ece43a086bfb070dd41d5db7b9d41ba4d511ae6f66c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a35a37836019438a266c9ece43a086bfb070dd41d5db7b9d41ba4d511ae6f66c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a35a37836019438a266c9ece43a086bfb070dd41d5db7b9d41ba4d511ae6f66c", kill_on_drop: false }`
[INFO] [stdout] a35a37836019438a266c9ece43a086bfb070dd41d5db7b9d41ba4d511ae6f66c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 09b3b1ef285f275835be8bb3bc5694b1e8b0e653321ed5eb500dd3a12f5081cf
[INFO] running `Command { std: "docker" "start" "-a" "09b3b1ef285f275835be8bb3bc5694b1e8b0e653321ed5eb500dd3a12f5081cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling structs_example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "09b3b1ef285f275835be8bb3bc5694b1e8b0e653321ed5eb500dd3a12f5081cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09b3b1ef285f275835be8bb3bc5694b1e8b0e653321ed5eb500dd3a12f5081cf", kill_on_drop: false }`
[INFO] [stdout] 09b3b1ef285f275835be8bb3bc5694b1e8b0e653321ed5eb500dd3a12f5081cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] d81cf95bf8e77d4c9ea3cea26dd3094ef9369ef80956813929dac91b6344e5b4
[INFO] running `Command { std: "docker" "start" "-a" "d81cf95bf8e77d4c9ea3cea26dd3094ef9369ef80956813929dac91b6344e5b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling structs_example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "d81cf95bf8e77d4c9ea3cea26dd3094ef9369ef80956813929dac91b6344e5b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d81cf95bf8e77d4c9ea3cea26dd3094ef9369ef80956813929dac91b6344e5b4", kill_on_drop: false }`
[INFO] [stdout] d81cf95bf8e77d4c9ea3cea26dd3094ef9369ef80956813929dac91b6344e5b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] e177f468fb4a582655187d1c3a7f54e6d63eadf9b2a4324cde414b07bfa95b9c
[INFO] running `Command { std: "docker" "start" "-a" "e177f468fb4a582655187d1c3a7f54e6d63eadf9b2a4324cde414b07bfa95b9c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/structs_example-6b277767ee8be8b6)
[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" "e177f468fb4a582655187d1c3a7f54e6d63eadf9b2a4324cde414b07bfa95b9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e177f468fb4a582655187d1c3a7f54e6d63eadf9b2a4324cde414b07bfa95b9c", kill_on_drop: false }`
[INFO] [stdout] e177f468fb4a582655187d1c3a7f54e6d63eadf9b2a4324cde414b07bfa95b9c