[INFO] cloning repository https://github.com/T-parrish/Rust_book
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/T-parrish/Rust_book" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FT-parrish%2FRust_book", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FT-parrish%2FRust_book'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4667f4d14000a8368b17c309b4988925ec391a4a
[INFO] testing T-parrish/Rust_book against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FT-parrish%2FRust_book" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/T-parrish/Rust_book on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/T-parrish/Rust_book
[INFO] finished tweaking git repo https://github.com/T-parrish/Rust_book
[INFO] tweaked toml for git repo https://github.com/T-parrish/Rust_book written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/T-parrish/Rust_book already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e219d5435d9eece731bae865f8d85cb1b33101622aee60a65646430fc76c3a40
[INFO] running `Command { std: "docker" "start" "-a" "e219d5435d9eece731bae865f8d85cb1b33101622aee60a65646430fc76c3a40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e219d5435d9eece731bae865f8d85cb1b33101622aee60a65646430fc76c3a40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e219d5435d9eece731bae865f8d85cb1b33101622aee60a65646430fc76c3a40", kill_on_drop: false }`
[INFO] [stdout] e219d5435d9eece731bae865f8d85cb1b33101622aee60a65646430fc76c3a40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4cfc1f480783eb5e33ff973eaaa037684951d4f5139d01b7f98a08d0502d58d5
[INFO] running `Command { std: "docker" "start" "-a" "4cfc1f480783eb5e33ff973eaaa037684951d4f5139d01b7f98a08d0502d58d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling variables v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `Command { std: "docker" "inspect" "4cfc1f480783eb5e33ff973eaaa037684951d4f5139d01b7f98a08d0502d58d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cfc1f480783eb5e33ff973eaaa037684951d4f5139d01b7f98a08d0502d58d5", kill_on_drop: false }`
[INFO] [stdout] 4cfc1f480783eb5e33ff973eaaa037684951d4f5139d01b7f98a08d0502d58d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c3042f81bb1af924b921b2398608d9920dcb86fcb344ead0479ae93838f7e78
[INFO] running `Command { std: "docker" "start" "-a" "5c3042f81bb1af924b921b2398608d9920dcb86fcb344ead0479ae93838f7e78", kill_on_drop: false }`
[INFO] [stderr]    Compiling variables v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "5c3042f81bb1af924b921b2398608d9920dcb86fcb344ead0479ae93838f7e78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c3042f81bb1af924b921b2398608d9920dcb86fcb344ead0479ae93838f7e78", kill_on_drop: false }`
[INFO] [stdout] 5c3042f81bb1af924b921b2398608d9920dcb86fcb344ead0479ae93838f7e78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 641cfbe59146754b1d63a673451b479172b4f1cc674c355d1657b96a50339201
[INFO] running `Command { std: "docker" "start" "-a" "641cfbe59146754b1d63a673451b479172b4f1cc674c355d1657b96a50339201", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/variables-d055e05d11ffcb4c)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test box_notes::tests::drop_early ... ignored
[INFO] [stdout] test box_notes::tests::box_deref ... ok
[INFO] [stdout] test box_notes::tests::normal_deref ... ok
[INFO] [stdout] test box_notes::tests::deref_coercion ... ok
[INFO] [stdout] test box_notes::tests::custom_box_deref ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "641cfbe59146754b1d63a673451b479172b4f1cc674c355d1657b96a50339201", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "641cfbe59146754b1d63a673451b479172b4f1cc674c355d1657b96a50339201", kill_on_drop: false }`
[INFO] [stdout] 641cfbe59146754b1d63a673451b479172b4f1cc674c355d1657b96a50339201