[INFO] fetching crate matrix_display 1.0.0...
[INFO] testing matrix_display-1.0.0 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate matrix_display 1.0.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate matrix_display 1.0.0 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded string_morph v0.1.0
[INFO] [stderr]   Downloaded unicode_types v0.2.0
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", 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] c9d0f0093bbd0dbb36ca5d21107b3a9a22e064b64e29e396d8a623e521129d69
[INFO] running `Command { std: "docker" "start" "-a" "c9d0f0093bbd0dbb36ca5d21107b3a9a22e064b64e29e396d8a623e521129d69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c9d0f0093bbd0dbb36ca5d21107b3a9a22e064b64e29e396d8a623e521129d69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9d0f0093bbd0dbb36ca5d21107b3a9a22e064b64e29e396d8a623e521129d69", kill_on_drop: false }`
[INFO] [stdout] c9d0f0093bbd0dbb36ca5d21107b3a9a22e064b64e29e396d8a623e521129d69
[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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5931296c9d1b3818a601b4a010fcac6f01a68a664aaec844a2f36fc41e07a70e
[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" "5931296c9d1b3818a601b4a010fcac6f01a68a664aaec844a2f36fc41e07a70e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling string_morph v0.1.0
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling ansi_term v0.11.0
[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 32.69s
[INFO] running `Command { std: "docker" "inspect" "5931296c9d1b3818a601b4a010fcac6f01a68a664aaec844a2f36fc41e07a70e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5931296c9d1b3818a601b4a010fcac6f01a68a664aaec844a2f36fc41e07a70e", kill_on_drop: false }`
[INFO] [stdout] 5931296c9d1b3818a601b4a010fcac6f01a68a664aaec844a2f36fc41e07a70e
[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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6631a3937d5907e73533364c19b097c42afb64b4ee7b157980a5d6947997c6a6
[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" "6631a3937d5907e73533364c19b097c42afb64b4ee7b157980a5d6947997c6a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling matrix_display v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.34s
[INFO] running `Command { std: "docker" "inspect" "6631a3937d5907e73533364c19b097c42afb64b4ee7b157980a5d6947997c6a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6631a3937d5907e73533364c19b097c42afb64b4ee7b157980a5d6947997c6a6", kill_on_drop: false }`
[INFO] [stdout] 6631a3937d5907e73533364c19b097c42afb64b4ee7b157980a5d6947997c6a6
[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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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] afcf47cd8b75283643f278e5ed7f93695fa2c9fd50e48dc5e8273dc7fbb6f91f
[INFO] running `Command { std: "docker" "start" "-a" "afcf47cd8b75283643f278e5ed7f93695fa2c9fd50e48dc5e8273dc7fbb6f91f", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] running 17 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/matrix_display-e54b5709104d6c66)
[INFO] [stdout] test cell::cell_tests::clone_and_partial_eq ... ok
[INFO] [stdout] test cell::cell_tests::constructor ... ok
[INFO] [stdout] test matrix::matrix_tests::constructor ... 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 matrix::matrix_tests::from_index_with_square_matrix ... ok
[INFO] [stdout] test pad::pad_tests::adds_up_to_correct_size ... ok
[INFO] [stdout] test pad::pad_tests::centered ... ok
[INFO] [stdout] test pad::pad_tests::no_pad_even ... ok
[INFO] [stdout] test pad::pad_tests::no_pad_odd ... ok
[INFO] [stdout] test pad::pad_tests::odd_total ... ok
[INFO] [stdout] test pad::pad_tests::pad_ascii ... ok
[INFO] [stdout] test pad::pad_tests::pad_cjk ... ok
[INFO] [stdout] test format_tests::constructor ... ok
[INFO] [stdout] test format_tests::default ... ok
[INFO] [stdout] test matrix_display_tests::height ... ok
[INFO] [stdout] test matrix_display_tests::width ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests matrix_display
[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 - MatrixDisplay (line 261) ... ok
[INFO] [stdout] test src/lib.rs - (line 15) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.91s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "afcf47cd8b75283643f278e5ed7f93695fa2c9fd50e48dc5e8273dc7fbb6f91f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afcf47cd8b75283643f278e5ed7f93695fa2c9fd50e48dc5e8273dc7fbb6f91f", kill_on_drop: false }`
[INFO] [stdout] afcf47cd8b75283643f278e5ed7f93695fa2c9fd50e48dc5e8273dc7fbb6f91f