[INFO] fetching crate rowan 0.10.0...
[INFO] testing rowan-0.10.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate rowan 0.10.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate rowan 0.10.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rowan 0.10.0
[INFO] finished tweaking crates.io crate rowan 0.10.0
[INFO] tweaked toml for crates.io crate rowan 0.10.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate rowan 0.10.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a21e93f24480007dbf96867b9888339abc33b49f6a3164e9ad0e36cf08180a1d
[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" "a21e93f24480007dbf96867b9888339abc33b49f6a3164e9ad0e36cf08180a1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a21e93f24480007dbf96867b9888339abc33b49f6a3164e9ad0e36cf08180a1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a21e93f24480007dbf96867b9888339abc33b49f6a3164e9ad0e36cf08180a1d", kill_on_drop: false }`
[INFO] [stdout] a21e93f24480007dbf96867b9888339abc33b49f6a3164e9ad0e36cf08180a1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 545528722df74e3c29838b532839dfcdc0d7ca3f94ed4fffa2f325095587a7a9
[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" "545528722df74e3c29838b532839dfcdc0d7ca3f94ed4fffa2f325095587a7a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling smol_str v0.1.15
[INFO] [stderr]    Compiling rowan v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.84s
[INFO] running `Command { std: "docker" "inspect" "545528722df74e3c29838b532839dfcdc0d7ca3f94ed4fffa2f325095587a7a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "545528722df74e3c29838b532839dfcdc0d7ca3f94ed4fffa2f325095587a7a9", kill_on_drop: false }`
[INFO] [stdout] 545528722df74e3c29838b532839dfcdc0d7ca3f94ed4fffa2f325095587a7a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3bb16f64f1001e7a20c9811e1324fc5666c8a21150c795acf242b1eb581c201e
[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" "3bb16f64f1001e7a20c9811e1324fc5666c8a21150c795acf242b1eb581c201e", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling regex v1.3.6
[INFO] [stderr]    Compiling m_lexer v0.0.4
[INFO] [stderr]    Compiling rowan v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 15.64s
[INFO] running `Command { std: "docker" "inspect" "3bb16f64f1001e7a20c9811e1324fc5666c8a21150c795acf242b1eb581c201e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bb16f64f1001e7a20c9811e1324fc5666c8a21150c795acf242b1eb581c201e", kill_on_drop: false }`
[INFO] [stdout] 3bb16f64f1001e7a20c9811e1324fc5666c8a21150c795acf242b1eb581c201e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] a2f8ece87f592b663b6aa7d2a9a7fd25c12e477f91780f6c2abb1767d9984673
[INFO] running `Command { std: "docker" "start" "-a" "a2f8ece87f592b663b6aa7d2a9a7fd25c12e477f91780f6c2abb1767d9984673", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rowan-b2cbdf957acf1b74
[INFO] [stdout] running 3 tests
[INFO] [stdout] test green::tests::test_size_of ... ok
[INFO] [stdout] test green::tests::assert_send_sync ... ok
[INFO] [stdout] test syntax_text::tests::test_text_equality ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rowan
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/green/builder.rs - green::builder::GreenNodeBuilder::checkpoint (line 136) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a2f8ece87f592b663b6aa7d2a9a7fd25c12e477f91780f6c2abb1767d9984673", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2f8ece87f592b663b6aa7d2a9a7fd25c12e477f91780f6c2abb1767d9984673", kill_on_drop: false }`
[INFO] [stdout] a2f8ece87f592b663b6aa7d2a9a7fd25c12e477f91780f6c2abb1767d9984673