[INFO] fetching crate matrix_display 1.0.0...
[INFO] testing matrix_display-1.0.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate matrix_display 1.0.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate matrix_display 1.0.0 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 matrix_display 1.0.0
[INFO] finished tweaking crates.io crate matrix_display 1.0.0
[INFO] tweaked toml for crates.io crate matrix_display 1.0.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 313457d5eeb356b61ce75734e8071d44698c89cb378d5d56dbcd5c879edef042
[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" "313457d5eeb356b61ce75734e8071d44698c89cb378d5d56dbcd5c879edef042", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "313457d5eeb356b61ce75734e8071d44698c89cb378d5d56dbcd5c879edef042", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "313457d5eeb356b61ce75734e8071d44698c89cb378d5d56dbcd5c879edef042", kill_on_drop: false }`
[INFO] [stdout] 313457d5eeb356b61ce75734e8071d44698c89cb378d5d56dbcd5c879edef042
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc153254ab98f7cdb9406109a0ff70184ac074f77911e053f87f70714c437d1b
[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" "dc153254ab98f7cdb9406109a0ff70184ac074f77911e053f87f70714c437d1b", kill_on_drop: false }`
[INFO] [stderr]    Compiling string_morph v0.1.0
[INFO] [stderr]    Compiling unicode_types v0.2.0
[INFO] [stderr]    Compiling matrix_display v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.73s
[INFO] running `Command { std: "docker" "inspect" "dc153254ab98f7cdb9406109a0ff70184ac074f77911e053f87f70714c437d1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc153254ab98f7cdb9406109a0ff70184ac074f77911e053f87f70714c437d1b", kill_on_drop: false }`
[INFO] [stdout] dc153254ab98f7cdb9406109a0ff70184ac074f77911e053f87f70714c437d1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a6bdc305f265930b0e808f3aa5ff6a9a053b3af7dcbd43b2e9053eff1af7881
[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" "9a6bdc305f265930b0e808f3aa5ff6a9a053b3af7dcbd43b2e9053eff1af7881", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling matrix_display v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.83s
[INFO] running `Command { std: "docker" "inspect" "9a6bdc305f265930b0e808f3aa5ff6a9a053b3af7dcbd43b2e9053eff1af7881", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a6bdc305f265930b0e808f3aa5ff6a9a053b3af7dcbd43b2e9053eff1af7881", kill_on_drop: false }`
[INFO] [stdout] 9a6bdc305f265930b0e808f3aa5ff6a9a053b3af7dcbd43b2e9053eff1af7881
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 20fcc9a8070d365d03063aa2ab248bf50c98f33caef828dbefbb3244f370bed5
[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" "20fcc9a8070d365d03063aa2ab248bf50c98f33caef828dbefbb3244f370bed5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/matrix_display-ba82cb88ba66e8b2
[INFO] [stdout] running 17 tests
[INFO] [stdout] test cell::cell_tests::clone_and_partial_eq ... ok
[INFO] [stdout] test format_tests::constructor ... ok
[INFO] [stdout] test format_tests::default ... ok
[INFO] [stdout] test matrix::matrix_tests::from_index_less_cols_than_rows ... ok
[INFO] [stdout] test matrix::matrix_tests::from_index_less_rows_than_cols ... ok
[INFO] [stdout] test pad::pad_tests::pad_cjk ... ok
[INFO] [stdout] test pad::pad_tests::pad_ascii ... ok
[INFO] [stdout] test pad::pad_tests::odd_total ... ok
[INFO] [stdout] test pad::pad_tests::no_pad_odd ... ok
[INFO] [stdout] test pad::pad_tests::no_pad_even ... ok
[INFO] [stdout] test pad::pad_tests::centered ... ok
[INFO] [stderr]    Doc-tests matrix_display
[INFO] [stdout] test matrix::matrix_tests::from_index_with_square_matrix ... ok
[INFO] [stdout] test pad::pad_tests::adds_up_to_correct_size ... ok
[INFO] [stdout] test matrix_display_tests::height ... ok
[INFO] [stdout] test matrix_display_tests::width ... ok
[INFO] [stdout] test cell::cell_tests::constructor ... ok
[INFO] [stdout] test matrix::matrix_tests::constructor ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/cell.rs - cell::cell::Cell (line 50) ... ok
[INFO] [stdout] test src/lib.rs - (line 15) ... ok
[INFO] [stdout] test src/lib.rs - MatrixDisplay (line 261) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "20fcc9a8070d365d03063aa2ab248bf50c98f33caef828dbefbb3244f370bed5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20fcc9a8070d365d03063aa2ab248bf50c98f33caef828dbefbb3244f370bed5", kill_on_drop: false }`
[INFO] [stdout] 20fcc9a8070d365d03063aa2ab248bf50c98f33caef828dbefbb3244f370bed5