[INFO] fetching crate matrix_display 1.0.0...
[INFO] testing matrix_display-1.0.0 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[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 b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7563eedd78af534fff709e8cbc90f432943ca6a3a5a0ca52895ab9154d3d948c
[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" "7563eedd78af534fff709e8cbc90f432943ca6a3a5a0ca52895ab9154d3d948c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7563eedd78af534fff709e8cbc90f432943ca6a3a5a0ca52895ab9154d3d948c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7563eedd78af534fff709e8cbc90f432943ca6a3a5a0ca52895ab9154d3d948c", kill_on_drop: false }`
[INFO] [stdout] 7563eedd78af534fff709e8cbc90f432943ca6a3a5a0ca52895ab9154d3d948c
[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=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" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 795c1adc80a33e299abdc176e2f5b7526e6425bd1efce6f295facdb925dd4bd1
[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" "795c1adc80a33e299abdc176e2f5b7526e6425bd1efce6f295facdb925dd4bd1", kill_on_drop: false }`
[INFO] [stderr]    Compiling string_morph v0.1.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling unicode-width v0.1.8
[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 32.56s
[INFO] running `Command { std: "docker" "inspect" "795c1adc80a33e299abdc176e2f5b7526e6425bd1efce6f295facdb925dd4bd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "795c1adc80a33e299abdc176e2f5b7526e6425bd1efce6f295facdb925dd4bd1", kill_on_drop: false }`
[INFO] [stdout] 795c1adc80a33e299abdc176e2f5b7526e6425bd1efce6f295facdb925dd4bd1
[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=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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2cd9c9c1f20b0bf9df516411c35925c70377a5666c2f64190afaa953e3d98650
[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" "2cd9c9c1f20b0bf9df516411c35925c70377a5666c2f64190afaa953e3d98650", kill_on_drop: false }`
[INFO] [stderr]    Compiling matrix_display v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.15s
[INFO] running `Command { std: "docker" "inspect" "2cd9c9c1f20b0bf9df516411c35925c70377a5666c2f64190afaa953e3d98650", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cd9c9c1f20b0bf9df516411c35925c70377a5666c2f64190afaa953e3d98650", kill_on_drop: false }`
[INFO] [stdout] 2cd9c9c1f20b0bf9df516411c35925c70377a5666c2f64190afaa953e3d98650
[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=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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 05d0b56b55451df55ad86ddb9c37158d3773d076e26e03d60ce7d41de30e3b64
[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" "05d0b56b55451df55ad86ddb9c37158d3773d076e26e03d60ce7d41de30e3b64", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/matrix_display-e54b5709104d6c66)
[INFO] [stdout] running 17 tests
[INFO] [stdout] test matrix::matrix_tests::constructor ... ok
[INFO] [stdout] test format_tests::constructor ... ok
[INFO] [stdout] test matrix::matrix_tests::from_index_less_cols_than_rows ... ok
[INFO] [stdout] test matrix::matrix_tests::from_index_with_square_matrix ... ok
[INFO] [stdout] test matrix_display_tests::width ... ok
[INFO] [stdout] test pad::pad_tests::centered ... ok
[INFO] [stdout] test matrix_display_tests::height ... ok
[INFO] [stdout] test pad::pad_tests::no_pad_even ... 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::pad_ascii ... ok
[INFO] [stdout] test format_tests::default ... ok
[INFO] [stdout] test matrix::matrix_tests::from_index_less_rows_than_cols ... ok
[INFO] [stdout] test pad::pad_tests::adds_up_to_correct_size ... ok
[INFO] [stdout] test cell::cell_tests::clone_and_partial_eq ... ok
[INFO] [stdout] test pad::pad_tests::pad_cjk ... ok
[INFO] [stdout] test cell::cell_tests::constructor ... 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 1.66s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "05d0b56b55451df55ad86ddb9c37158d3773d076e26e03d60ce7d41de30e3b64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05d0b56b55451df55ad86ddb9c37158d3773d076e26e03d60ce7d41de30e3b64", kill_on_drop: false }`
[INFO] [stdout] 05d0b56b55451df55ad86ddb9c37158d3773d076e26e03d60ce7d41de30e3b64