[INFO] fetching crate indextree-ng 1.0.5...
[INFO] testing indextree-ng-1.0.5 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate indextree-ng 1.0.5 into /workspace/builds/worker-77/source
[INFO] validating manifest of crates.io crate indextree-ng 1.0.5 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 crates.io crate indextree-ng 1.0.5
[INFO] finished tweaking crates.io crate indextree-ng 1.0.5
[INFO] tweaked toml for crates.io crate indextree-ng 1.0.5 written to /workspace/builds/worker-77/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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] 65f8da340b97d36a860f47ccd05b5a57e9290b411aa13aaa92aecb1914db6428
[INFO] running `Command { std: "docker" "start" "-a" "65f8da340b97d36a860f47ccd05b5a57e9290b411aa13aaa92aecb1914db6428", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "65f8da340b97d36a860f47ccd05b5a57e9290b411aa13aaa92aecb1914db6428", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65f8da340b97d36a860f47ccd05b5a57e9290b411aa13aaa92aecb1914db6428", kill_on_drop: false }`
[INFO] [stdout] 65f8da340b97d36a860f47ccd05b5a57e9290b411aa13aaa92aecb1914db6428
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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] 556bfadc4b699ab5c19ceabb6e11b454ea1984d74d86d0d78ebe45496c837ab8
[INFO] running `Command { std: "docker" "start" "-a" "556bfadc4b699ab5c19ceabb6e11b454ea1984d74d86d0d78ebe45496c837ab8", kill_on_drop: false }`
[INFO] [stderr]    Compiling indextree-ng v1.0.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:58:37
[INFO] [stdout]    |
[INFO] [stdout] 58 |         fmt.write_str(error::Error::description(self))
[INFO] [stdout]    |                                     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "556bfadc4b699ab5c19ceabb6e11b454ea1984d74d86d0d78ebe45496c837ab8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "556bfadc4b699ab5c19ceabb6e11b454ea1984d74d86d0d78ebe45496c837ab8", kill_on_drop: false }`
[INFO] [stdout] 556bfadc4b699ab5c19ceabb6e11b454ea1984d74d86d0d78ebe45496c837ab8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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] 28512cdf1fb873a853e82952dd67ba4899cdc17368086bcd2aa5ad1100969a17
[INFO] running `Command { std: "docker" "start" "-a" "28512cdf1fb873a853e82952dd67ba4899cdc17368086bcd2aa5ad1100969a17", kill_on_drop: false }`
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:58:37
[INFO] [stdout]    |
[INFO] [stdout] 58 |         fmt.write_str(error::Error::description(self))
[INFO] [stdout]    |                                     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling indextree-ng v1.0.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> tests/lib.rs:24:10
[INFO] [stdout]    |
[INFO] [stdout] 24 |         };
[INFO] [stdout]    |          ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> tests/lib.rs:80:6
[INFO] [stdout]    |
[INFO] [stdout] 80 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:58:37
[INFO] [stdout]    |
[INFO] [stdout] 58 |         fmt.write_str(error::Error::description(self))
[INFO] [stdout]    |                                     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "28512cdf1fb873a853e82952dd67ba4899cdc17368086bcd2aa5ad1100969a17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28512cdf1fb873a853e82952dd67ba4899cdc17368086bcd2aa5ad1100969a17", kill_on_drop: false }`
[INFO] [stdout] 28512cdf1fb873a853e82952dd67ba4899cdc17368086bcd2aa5ad1100969a17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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] 47eef5719b32f9098878afdbefb1d867b99be9272c863e5afa083c9ceb139e3b
[INFO] running `Command { std: "docker" "start" "-a" "47eef5719b32f9098878afdbefb1d867b99be9272c863e5afa083c9ceb139e3b", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/lib.rs:58:37
[INFO] [stderr]    |
[INFO] [stderr] 58 |         fmt.write_str(error::Error::description(self))
[INFO] [stderr]    |                                     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `indextree-ng` (lib) generated 1 warning
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> tests/lib.rs:24:10
[INFO] [stderr]    |
[INFO] [stderr] 24 |         };
[INFO] [stderr]    |          ^ help: remove this semicolon
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> tests/lib.rs:80:6
[INFO] [stderr]    |
[INFO] [stderr] 80 |     };
[INFO] [stderr]    |      ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: `indextree-ng` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr] warning: `indextree-ng` (test "lib") generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/indextree_ng-7401e62ca947e585)
[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] [stderr]      Running tests/lib.rs (/opt/rustwide/target/debug/deps/lib-6eaa796aebbb8cc6)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test arenatree_success_detach ... ok
[INFO] [stdout] test arenatree_success_create ... ok
[INFO] [stdout] test arenatree_remove_node ... ok
[INFO] [stdout] test arenatree_failure_prepend - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests indextree-ng
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 17) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.60s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "47eef5719b32f9098878afdbefb1d867b99be9272c863e5afa083c9ceb139e3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47eef5719b32f9098878afdbefb1d867b99be9272c863e5afa083c9ceb139e3b", kill_on_drop: false }`
[INFO] [stdout] 47eef5719b32f9098878afdbefb1d867b99be9272c863e5afa083c9ceb139e3b