[INFO] fetching crate ego-binary-tree 0.1.0...
[INFO] testing ego-binary-tree-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate ego-binary-tree 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate ego-binary-tree 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 ego-binary-tree 0.1.0
[INFO] finished tweaking crates.io crate ego-binary-tree 0.1.0
[INFO] tweaked toml for crates.io crate ego-binary-tree 0.1.0 written to /workspace/builds/worker-0/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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 72c8614de99e8fbe8e394224de94ab4abdf26770b550f7ac098b3d80127e448b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "72c8614de99e8fbe8e394224de94ab4abdf26770b550f7ac098b3d80127e448b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "72c8614de99e8fbe8e394224de94ab4abdf26770b550f7ac098b3d80127e448b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72c8614de99e8fbe8e394224de94ab4abdf26770b550f7ac098b3d80127e448b", kill_on_drop: false }`
[INFO] [stdout] 72c8614de99e8fbe8e394224de94ab4abdf26770b550f7ac098b3d80127e448b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 1ab663ccd4b17aa4624ed18f7389ddf364d7087295dba16d91535638819ab939
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1ab663ccd4b17aa4624ed18f7389ddf364d7087295dba16d91535638819ab939", kill_on_drop: false }`
[INFO] [stderr]    Compiling ego-binary-tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "1ab663ccd4b17aa4624ed18f7389ddf364d7087295dba16d91535638819ab939", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ab663ccd4b17aa4624ed18f7389ddf364d7087295dba16d91535638819ab939", kill_on_drop: false }`
[INFO] [stdout] 1ab663ccd4b17aa4624ed18f7389ddf364d7087295dba16d91535638819ab939
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 485b4efe4b60d7ab49fa477cf4fffd341ddfb839982e664514e91dc6a01b12ea
[INFO] running `Command { std: "docker" "start" "-a" "485b4efe4b60d7ab49fa477cf4fffd341ddfb839982e664514e91dc6a01b12ea", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ego-binary-tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "485b4efe4b60d7ab49fa477cf4fffd341ddfb839982e664514e91dc6a01b12ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "485b4efe4b60d7ab49fa477cf4fffd341ddfb839982e664514e91dc6a01b12ea", kill_on_drop: false }`
[INFO] [stdout] 485b4efe4b60d7ab49fa477cf4fffd341ddfb839982e664514e91dc6a01b12ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 514c05c95768a38ea88eb8703fef8d6e73f8c9c7abc28feb39ff060cc41a752b
[INFO] running `Command { std: "docker" "start" "-a" "514c05c95768a38ea88eb8703fef8d6e73f8c9c7abc28feb39ff060cc41a752b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ego_binary_tree-ae9dce15c13f063a)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test binary_tree::tests::binary_tree_api_works ... ok
[INFO] [stdout] test macros::tests::complicated_tree_works ... ok
[INFO] [stdout] test macros::tests::macro_root_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ego-binary-tree
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/macros.rs - binary_tree (line 5) ... ok
[INFO] [stdout] test src/macros.rs - binary_tree (line 12) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.53s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "514c05c95768a38ea88eb8703fef8d6e73f8c9c7abc28feb39ff060cc41a752b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "514c05c95768a38ea88eb8703fef8d6e73f8c9c7abc28feb39ff060cc41a752b", kill_on_drop: false }`
[INFO] [stdout] 514c05c95768a38ea88eb8703fef8d6e73f8c9c7abc28feb39ff060cc41a752b