[INFO] cloning repository https://github.com/natreed/rust_tree_lib
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/natreed/rust_tree_lib" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnatreed%2Frust_tree_lib", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnatreed%2Frust_tree_lib'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 413fcd4e5415ce33fb32512f92a9f8e017f3f9f5
[INFO] testing natreed/rust_tree_lib against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnatreed%2Frust_tree_lib" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/natreed/rust_tree_lib 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/natreed/rust_tree_lib
[INFO] finished tweaking git repo https://github.com/natreed/rust_tree_lib
[INFO] tweaked toml for git repo https://github.com/natreed/rust_tree_lib written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/natreed/rust_tree_lib 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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] f8c0f48bea3e2f339b6a121768742177c46af350c7fe8b5b21d7fea85dae4486
[INFO] running `Command { std: "docker" "start" "-a" "f8c0f48bea3e2f339b6a121768742177c46af350c7fe8b5b21d7fea85dae4486", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8c0f48bea3e2f339b6a121768742177c46af350c7fe8b5b21d7fea85dae4486", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8c0f48bea3e2f339b6a121768742177c46af350c7fe8b5b21d7fea85dae4486", kill_on_drop: false }`
[INFO] [stdout] f8c0f48bea3e2f339b6a121768742177c46af350c7fe8b5b21d7fea85dae4486
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 63893522c0bb706f1705da4bbc152f549991783d528a5492ecd4aafe6f11d286
[INFO] running `Command { std: "docker" "start" "-a" "63893522c0bb706f1705da4bbc152f549991783d528a5492ecd4aafe6f11d286", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling generic_tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "63893522c0bb706f1705da4bbc152f549991783d528a5492ecd4aafe6f11d286", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63893522c0bb706f1705da4bbc152f549991783d528a5492ecd4aafe6f11d286", kill_on_drop: false }`
[INFO] [stdout] 63893522c0bb706f1705da4bbc152f549991783d528a5492ecd4aafe6f11d286
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 41803f5ac3000e978652b46b233c6fb8d621b7721980f10a4855c5d41f27f50e
[INFO] running `Command { std: "docker" "start" "-a" "41803f5ac3000e978652b46b233c6fb8d621b7721980f10a4855c5d41f27f50e", kill_on_drop: false }`
[INFO] [stderr]    Compiling generic_tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "41803f5ac3000e978652b46b233c6fb8d621b7721980f10a4855c5d41f27f50e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41803f5ac3000e978652b46b233c6fb8d621b7721980f10a4855c5d41f27f50e", kill_on_drop: false }`
[INFO] [stdout] 41803f5ac3000e978652b46b233c6fb8d621b7721980f10a4855c5d41f27f50e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 0bc118a7a5d72532ddc51cc06feb2edf455470c1be6b2de7a4ee5d0c2ed100a1
[INFO] running `Command { std: "docker" "start" "-a" "0bc118a7a5d72532ddc51cc06feb2edf455470c1be6b2de7a4ee5d0c2ed100a1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/generic_tree-2a9ac305c149d843)
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test min_depth_test ... ok
[INFO] [stdout] test post_iterator_test ... ok
[INFO] [stdout] test swap_left_test ... ok
[INFO] [stdout] test size_test ... ok
[INFO] [stdout] test take_left_test ... ok
[INFO] [stdout] test take_right_test ... ok
[INFO] [stdout] test in_order_into_iterator_test ... ok
[INFO] [stdout] test find_test ... ok
[INFO] [stdout] test pre_iterator_test ... ok
[INFO] [stdout] test swap_right_test ... ok
[INFO] [stdout] test add_node ... ok
[INFO] [stdout] test contains_test ... ok
[INFO] [stdout] test in_order_iterator_test ... ok
[INFO] [stdout] test min_value_test ... ok
[INFO] [stdout] test max_depth_test ... ok
[INFO] [stdout] test merge_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests generic_tree
[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" "0bc118a7a5d72532ddc51cc06feb2edf455470c1be6b2de7a4ee5d0c2ed100a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bc118a7a5d72532ddc51cc06feb2edf455470c1be6b2de7a4ee5d0c2ed100a1", kill_on_drop: false }`
[INFO] [stdout] 0bc118a7a5d72532ddc51cc06feb2edf455470c1be6b2de7a4ee5d0c2ed100a1