[INFO] cloning repository https://github.com/isalevine/rustbook-rectangles
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/isalevine/rustbook-rectangles" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fisalevine%2Frustbook-rectangles", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fisalevine%2Frustbook-rectangles'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4c85a1c9c515223e43a7f8f5ebd6f1ad028ebef9
[INFO] testing isalevine/rustbook-rectangles against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fisalevine%2Frustbook-rectangles" "/workspace/builds/worker-102/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-102/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/isalevine/rustbook-rectangles 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/isalevine/rustbook-rectangles
[INFO] finished tweaking git repo https://github.com/isalevine/rustbook-rectangles
[INFO] tweaked toml for git repo https://github.com/isalevine/rustbook-rectangles written to /workspace/builds/worker-102/source/Cargo.toml
[INFO] crate git repo https://github.com/isalevine/rustbook-rectangles 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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] 76cbc21614c44fe2249c14817f883b1aed62d66b5879b54874ca25d604b3cd62
[INFO] running `Command { std: "docker" "start" "-a" "76cbc21614c44fe2249c14817f883b1aed62d66b5879b54874ca25d604b3cd62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76cbc21614c44fe2249c14817f883b1aed62d66b5879b54874ca25d604b3cd62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76cbc21614c44fe2249c14817f883b1aed62d66b5879b54874ca25d604b3cd62", kill_on_drop: false }`
[INFO] [stdout] 76cbc21614c44fe2249c14817f883b1aed62d66b5879b54874ca25d604b3cd62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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] 60a724c6d3d2c84bc471ee374790ed3cce328704f992be9029a28379c937ee1a
[INFO] running `Command { std: "docker" "start" "-a" "60a724c6d3d2c84bc471ee374790ed3cce328704f992be9029a28379c937ee1a", kill_on_drop: false }`
[INFO] [stderr]    Compiling rectangles v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.45s
[INFO] running `Command { std: "docker" "inspect" "60a724c6d3d2c84bc471ee374790ed3cce328704f992be9029a28379c937ee1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60a724c6d3d2c84bc471ee374790ed3cce328704f992be9029a28379c937ee1a", kill_on_drop: false }`
[INFO] [stdout] 60a724c6d3d2c84bc471ee374790ed3cce328704f992be9029a28379c937ee1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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] 2ec5fe42ea7e7556a724e1b54bf639c22a296347295a27cc340a105826f13a87
[INFO] running `Command { std: "docker" "start" "-a" "2ec5fe42ea7e7556a724e1b54bf639c22a296347295a27cc340a105826f13a87", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rectangles v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.31s
[INFO] running `Command { std: "docker" "inspect" "2ec5fe42ea7e7556a724e1b54bf639c22a296347295a27cc340a105826f13a87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ec5fe42ea7e7556a724e1b54bf639c22a296347295a27cc340a105826f13a87", kill_on_drop: false }`
[INFO] [stdout] 2ec5fe42ea7e7556a724e1b54bf639c22a296347295a27cc340a105826f13a87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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] 79363e7cb3c2605f48d778660c37da374467f62f26ed2885ef8f80cf7110fef9
[INFO] running `Command { std: "docker" "start" "-a" "79363e7cb3c2605f48d778660c37da374467f62f26ed2885ef8f80cf7110fef9", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rectangles-df2112933efd33c9)
[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" "79363e7cb3c2605f48d778660c37da374467f62f26ed2885ef8f80cf7110fef9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79363e7cb3c2605f48d778660c37da374467f62f26ed2885ef8f80cf7110fef9", kill_on_drop: false }`
[INFO] [stdout] 79363e7cb3c2605f48d778660c37da374467f62f26ed2885ef8f80cf7110fef9