[INFO] fetching crate qrwcell 0.2.0...
[INFO] testing qrwcell-0.2.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate qrwcell 0.2.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate qrwcell 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 qrwcell 0.2.0
[INFO] finished tweaking crates.io crate qrwcell 0.2.0
[INFO] tweaked toml for crates.io crate qrwcell 0.2.0 written to /workspace/builds/worker-11/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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 503e27c9fa1f87f893e15043d9e945eb32857ddd9774e37f4bc4471c99b6dfd8
[INFO] running `Command { std: "docker" "start" "-a" "503e27c9fa1f87f893e15043d9e945eb32857ddd9774e37f4bc4471c99b6dfd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "503e27c9fa1f87f893e15043d9e945eb32857ddd9774e37f4bc4471c99b6dfd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "503e27c9fa1f87f893e15043d9e945eb32857ddd9774e37f4bc4471c99b6dfd8", kill_on_drop: false }`
[INFO] [stdout] 503e27c9fa1f87f893e15043d9e945eb32857ddd9774e37f4bc4471c99b6dfd8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] eb9ca188899745e8a0e2a63741ea8411e433e60524e7f70e9e05e76a0d806bf1
[INFO] running `Command { std: "docker" "start" "-a" "eb9ca188899745e8a0e2a63741ea8411e433e60524e7f70e9e05e76a0d806bf1", kill_on_drop: false }`
[INFO] [stderr]    Compiling qrwcell v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "eb9ca188899745e8a0e2a63741ea8411e433e60524e7f70e9e05e76a0d806bf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb9ca188899745e8a0e2a63741ea8411e433e60524e7f70e9e05e76a0d806bf1", kill_on_drop: false }`
[INFO] [stdout] eb9ca188899745e8a0e2a63741ea8411e433e60524e7f70e9e05e76a0d806bf1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 1a84c1c90918f4b772b8e46089961ea56939b87af03e1f526b0219a399a0b3db
[INFO] running `Command { std: "docker" "start" "-a" "1a84c1c90918f4b772b8e46089961ea56939b87af03e1f526b0219a399a0b3db", kill_on_drop: false }`
[INFO] [stderr]    Compiling qrwcell v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "1a84c1c90918f4b772b8e46089961ea56939b87af03e1f526b0219a399a0b3db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a84c1c90918f4b772b8e46089961ea56939b87af03e1f526b0219a399a0b3db", kill_on_drop: false }`
[INFO] [stdout] 1a84c1c90918f4b772b8e46089961ea56939b87af03e1f526b0219a399a0b3db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 767f1611b00f21af1d210d369267d065c03c4ea62362d7333c58562d9e5287ad
[INFO] running `Command { std: "docker" "start" "-a" "767f1611b00f21af1d210d369267d065c03c4ea62362d7333c58562d9e5287ad", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/qrwcell-a8b4f534f4932d59)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test test::test_default_get_weak ... ok
[INFO] [stdout] test test::test_get_weak_update ... ok
[INFO] [stdout] test test::test_with_value_get_weak ... ok
[INFO] [stdout] test test::test_with_value_get ... ok
[INFO] [stdout] test test::test_update ... ok
[INFO] [stdout] test test::test_default_get ... ok
[INFO] [stdout] test test::test_update_default ... ok
[INFO] [stdout] test test::test_new_get_panic - should panic ... ok
[INFO] [stdout] test test::test_new_get_weak_panic - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests qrwcell
[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" "767f1611b00f21af1d210d369267d065c03c4ea62362d7333c58562d9e5287ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "767f1611b00f21af1d210d369267d065c03c4ea62362d7333c58562d9e5287ad", kill_on_drop: false }`
[INFO] [stdout] 767f1611b00f21af1d210d369267d065c03c4ea62362d7333c58562d9e5287ad