[INFO] fetching crate rbx_tree 0.2.0... [INFO] testing rbx_tree-0.2.0 against 1.55.0 for beta-1.56-1 [INFO] extracting crate rbx_tree 0.2.0 into /workspace/builds/worker-76/source [INFO] validating manifest of crates.io crate rbx_tree 0.2.0 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 rbx_tree 0.2.0 [INFO] finished tweaking crates.io crate rbx_tree 0.2.0 [INFO] tweaked toml for crates.io crate rbx_tree 0.2.0 written to /workspace/builds/worker-76/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] [stderr] Blocking waiting for file lock on package cache [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-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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] 0e2d64a37e5522b834c5166b8abc6e7105085342fb2e909dbbfbd4bc124a910b [INFO] running `Command { std: "docker" "start" "-a" "0e2d64a37e5522b834c5166b8abc6e7105085342fb2e909dbbfbd4bc124a910b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0e2d64a37e5522b834c5166b8abc6e7105085342fb2e909dbbfbd4bc124a910b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0e2d64a37e5522b834c5166b8abc6e7105085342fb2e909dbbfbd4bc124a910b", kill_on_drop: false }` [INFO] [stdout] 0e2d64a37e5522b834c5166b8abc6e7105085342fb2e909dbbfbd4bc124a910b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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] ccf4a028a8ed24981f41faf0e5dc1d80a1db150462395ca016429f23e6652855 [INFO] running `Command { std: "docker" "start" "-a" "ccf4a028a8ed24981f41faf0e5dc1d80a1db150462395ca016429f23e6652855", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling uuid v0.7.4 [INFO] [stderr] Compiling rbx_tree v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.61s [INFO] running `Command { std: "docker" "inspect" "ccf4a028a8ed24981f41faf0e5dc1d80a1db150462395ca016429f23e6652855", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ccf4a028a8ed24981f41faf0e5dc1d80a1db150462395ca016429f23e6652855", kill_on_drop: false }` [INFO] [stdout] ccf4a028a8ed24981f41faf0e5dc1d80a1db150462395ca016429f23e6652855 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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] ae21350a1f1c019a3cfa7b8eb6358fc2a44e1fa77ab62015644b0b2ac446786d [INFO] running `Command { std: "docker" "start" "-a" "ae21350a1f1c019a3cfa7b8eb6358fc2a44e1fa77ab62015644b0b2ac446786d", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling maplit v1.0.2 [INFO] [stderr] Compiling serde_json v1.0.67 [INFO] [stderr] Compiling rbx_tree v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 3.68s [INFO] running `Command { std: "docker" "inspect" "ae21350a1f1c019a3cfa7b8eb6358fc2a44e1fa77ab62015644b0b2ac446786d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ae21350a1f1c019a3cfa7b8eb6358fc2a44e1fa77ab62015644b0b2ac446786d", kill_on_drop: false }` [INFO] [stdout] ae21350a1f1c019a3cfa7b8eb6358fc2a44e1fa77ab62015644b0b2ac446786d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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] 23bef704723d03665afa3127179672d2c91340583b1139350d9ef018f67ca98e [INFO] running `Command { std: "docker" "start" "-a" "23bef704723d03665afa3127179672d2c91340583b1139350d9ef018f67ca98e", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rbx_tree-db184d83e1971e38) [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] Doc-tests rbx_tree [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test src/lib.rs - (line 32) ... ok [INFO] [stdout] test src/lib.rs - (line 12) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.14s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "23bef704723d03665afa3127179672d2c91340583b1139350d9ef018f67ca98e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "23bef704723d03665afa3127179672d2c91340583b1139350d9ef018f67ca98e", kill_on_drop: false }` [INFO] [stdout] 23bef704723d03665afa3127179672d2c91340583b1139350d9ef018f67ca98e