[INFO] fetching crate treeline 0.1.0...
[INFO] testing treeline-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate treeline 0.1.0 into /workspace/builds/worker-75/source
[INFO] validating manifest of crates.io crate treeline 0.1.0 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 crates.io crate treeline 0.1.0
[INFO] finished tweaking crates.io crate treeline 0.1.0
[INFO] tweaked toml for crates.io crate treeline 0.1.0 written to /workspace/builds/worker-75/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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] 7a45a5b5c5844b65ff25c0c93ebcd9b8e048a4a8f7679492b4143ce24862a295
[INFO] running `Command { std: "docker" "start" "-a" "7a45a5b5c5844b65ff25c0c93ebcd9b8e048a4a8f7679492b4143ce24862a295", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a45a5b5c5844b65ff25c0c93ebcd9b8e048a4a8f7679492b4143ce24862a295", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a45a5b5c5844b65ff25c0c93ebcd9b8e048a4a8f7679492b4143ce24862a295", kill_on_drop: false }`
[INFO] [stdout] 7a45a5b5c5844b65ff25c0c93ebcd9b8e048a4a8f7679492b4143ce24862a295
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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] 33f023b4960f658b231785eb45cc3c04fd056d323eb2fbf810433cd082fdff42
[INFO] running `Command { std: "docker" "start" "-a" "33f023b4960f658b231785eb45cc3c04fd056d323eb2fbf810433cd082fdff42", kill_on_drop: false }`
[INFO] [stderr]    Compiling treeline v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "33f023b4960f658b231785eb45cc3c04fd056d323eb2fbf810433cd082fdff42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33f023b4960f658b231785eb45cc3c04fd056d323eb2fbf810433cd082fdff42", kill_on_drop: false }`
[INFO] [stdout] 33f023b4960f658b231785eb45cc3c04fd056d323eb2fbf810433cd082fdff42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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] a1a9237379d5a7958393660b314864c9c6da502d35547573a31bbe1e5ac398c3
[INFO] running `Command { std: "docker" "start" "-a" "a1a9237379d5a7958393660b314864c9c6da502d35547573a31bbe1e5ac398c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling treeline v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "a1a9237379d5a7958393660b314864c9c6da502d35547573a31bbe1e5ac398c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1a9237379d5a7958393660b314864c9c6da502d35547573a31bbe1e5ac398c3", kill_on_drop: false }`
[INFO] [stdout] a1a9237379d5a7958393660b314864c9c6da502d35547573a31bbe1e5ac398c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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] 560ec95e0c96f5925c82d416ebe5913b6c1060ba95fa9403c3d7daf58deb1b94
[INFO] running `Command { std: "docker" "start" "-a" "560ec95e0c96f5925c82d416ebe5913b6c1060ba95fa9403c3d7daf58deb1b94", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/treeline-4f6ae163ae8856d2)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::render_tree_root ... ok
[INFO] [stdout] test tests::render_tree_with_leaves ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests treeline
[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" "560ec95e0c96f5925c82d416ebe5913b6c1060ba95fa9403c3d7daf58deb1b94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "560ec95e0c96f5925c82d416ebe5913b6c1060ba95fa9403c3d7daf58deb1b94", kill_on_drop: false }`
[INFO] [stdout] 560ec95e0c96f5925c82d416ebe5913b6c1060ba95fa9403c3d7daf58deb1b94