[INFO] fetching crate jagged_array 0.2.4...
[INFO] testing jagged_array-0.2.4 against 1.55.0 for beta-1.56-1
[INFO] extracting crate jagged_array 0.2.4 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate jagged_array 0.2.4 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 jagged_array 0.2.4
[INFO] finished tweaking crates.io crate jagged_array 0.2.4
[INFO] tweaked toml for crates.io crate jagged_array 0.2.4 written to /workspace/builds/worker-3/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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded streaming-iterator v0.1.5
[INFO] [stderr]   Downloaded try_opt v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] cedfbc2e3e305ba631c47884537af04abe76d87d5a1a4f53df6f9157adbccf01
[INFO] running `Command { std: "docker" "start" "-a" "cedfbc2e3e305ba631c47884537af04abe76d87d5a1a4f53df6f9157adbccf01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cedfbc2e3e305ba631c47884537af04abe76d87d5a1a4f53df6f9157adbccf01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cedfbc2e3e305ba631c47884537af04abe76d87d5a1a4f53df6f9157adbccf01", kill_on_drop: false }`
[INFO] [stdout] cedfbc2e3e305ba631c47884537af04abe76d87d5a1a4f53df6f9157adbccf01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] a2bb30f9887c24a614a03e927d43c8996ae9d39e39936a54a09dddd64a22ce51
[INFO] running `Command { std: "docker" "start" "-a" "a2bb30f9887c24a614a03e927d43c8996ae9d39e39936a54a09dddd64a22ce51", kill_on_drop: false }`
[INFO] [stderr]    Compiling try_opt v0.1.1
[INFO] [stderr]    Compiling streaming-iterator v0.1.5
[INFO] [stderr]    Compiling jagged_array v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.16s
[INFO] running `Command { std: "docker" "inspect" "a2bb30f9887c24a614a03e927d43c8996ae9d39e39936a54a09dddd64a22ce51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2bb30f9887c24a614a03e927d43c8996ae9d39e39936a54a09dddd64a22ce51", kill_on_drop: false }`
[INFO] [stdout] a2bb30f9887c24a614a03e927d43c8996ae9d39e39936a54a09dddd64a22ce51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 79aa73a1dde89ae74d2fb69979f60272f1408e76dc4b96079c34f780353b7dec
[INFO] running `Command { std: "docker" "start" "-a" "79aa73a1dde89ae74d2fb69979f60272f1408e76dc4b96079c34f780353b7dec", kill_on_drop: false }`
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling jagged_array v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.07s
[INFO] running `Command { std: "docker" "inspect" "79aa73a1dde89ae74d2fb69979f60272f1408e76dc4b96079c34f780353b7dec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79aa73a1dde89ae74d2fb69979f60272f1408e76dc4b96079c34f780353b7dec", kill_on_drop: false }`
[INFO] [stdout] 79aa73a1dde89ae74d2fb69979f60272f1408e76dc4b96079c34f780353b7dec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 604ba223df8392b747ee81a1ecbb12e2c79e512406416c27a8b05ae5006db98c
[INFO] running `Command { std: "docker" "start" "-a" "604ba223df8392b747ee81a1ecbb12e2c79e512406416c27a8b05ae5006db98c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/jagged_array-4f55a7b16ece09e3)
[INFO] [stderr]      Running tests/jagged2.rs (/opt/rustwide/target/debug/deps/jagged2-fcb5b7a9cbf26b80)
[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] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test test_empty ... ok
[INFO] [stdout] test test_zero_sized ... ok
[INFO] [stdout] test test_serde ... ok
[INFO] [stdout] test test_sized ... ok
[INFO] [stderr]    Doc-tests jagged_array
[INFO] [stdout] test test_clone_eq ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test src/lib.rs - Jagged2Builder (line 93) ... ok
[INFO] [stdout] test src/lib.rs - Jagged2Builder<T>::resize (line 705) ... ok
[INFO] [stdout] test src/lib.rs - Jagged2<T>::as_flat_slice (line 517) ... ok
[INFO] [stdout] test src/lib.rs - Jagged2<T>::get_mut (line 453) ... ok
[INFO] [stdout] test src/lib.rs - Jagged2<T>::from_iter (line 195) ... ok
[INFO] [stdout] test src/lib.rs - Jagged2<T>::get (line 432) ... ok
[INFO] [stdout] test src/lib.rs - Jagged2<T>::get_row (line 474) ... ok
[INFO] [stdout] test src/lib.rs - Jagged2<T>::stream (line 627) ... ok
[INFO] [stdout] test src/lib.rs - Jagged2<T>::flat_len (line 567) ... ok
[INFO] [stdout] test src/lib.rs - Jagged2<T>::len (line 599) ... ok
[INFO] [stdout] test src/lib.rs - Jagged2<T>::as_flat_slice_mut (line 539) ... ok
[INFO] [stdout] test src/lib.rs - Jagged2<T>::get_row_mut (line 494) ... ok
[INFO] [stdout] test src/lib.rs - (line 6) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.10s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "604ba223df8392b747ee81a1ecbb12e2c79e512406416c27a8b05ae5006db98c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "604ba223df8392b747ee81a1ecbb12e2c79e512406416c27a8b05ae5006db98c", kill_on_drop: false }`
[INFO] [stdout] 604ba223df8392b747ee81a1ecbb12e2c79e512406416c27a8b05ae5006db98c