[INFO] fetching crate matrix_display 1.0.0...
[INFO] testing matrix_display-1.0.0 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate matrix_display 1.0.0 into /workspace/builds/worker-6-tc1/source
[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-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate matrix_display 1.0.0 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[INFO] [stderr]       Adding ansi_term v0.11.0 (available: v0.12.1)
[INFO] [stderr]       Adding unicode-width v0.1.14 (available: v0.2.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dcc4a05ac7baaf905ea965f96076b978ffe32a8b71318c25399c611879e929d0
[INFO] running `Command { std: "docker" "start" "-a" "dcc4a05ac7baaf905ea965f96076b978ffe32a8b71318c25399c611879e929d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dcc4a05ac7baaf905ea965f96076b978ffe32a8b71318c25399c611879e929d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcc4a05ac7baaf905ea965f96076b978ffe32a8b71318c25399c611879e929d0", kill_on_drop: false }`
[INFO] [stdout] dcc4a05ac7baaf905ea965f96076b978ffe32a8b71318c25399c611879e929d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b3431c9c2b80600d239ad85575fc96a4998673b5974e14c390eaaa42683b9919
[INFO] running `Command { std: "docker" "start" "-a" "b3431c9c2b80600d239ad85575fc96a4998673b5974e14c390eaaa42683b9919", kill_on_drop: false }`
[INFO] [stderr]    Compiling string_morph v0.1.0
[INFO] [stderr]    Compiling unicode-width v0.1.14
[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] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:145:45
[INFO] [stdout]     |
[INFO] [stdout] 145 |     fn with_borders(b: &'a BordersStyle) -> CellDisplay {
[INFO] [stdout]     |                         --                  ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 145 |     fn with_borders(b: &'a BordersStyle) -> CellDisplay<'a> {
[INFO] [stdout]     |                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.11s
[INFO] running `Command { std: "docker" "inspect" "b3431c9c2b80600d239ad85575fc96a4998673b5974e14c390eaaa42683b9919", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3431c9c2b80600d239ad85575fc96a4998673b5974e14c390eaaa42683b9919", kill_on_drop: false }`
[INFO] [stdout] b3431c9c2b80600d239ad85575fc96a4998673b5974e14c390eaaa42683b9919
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9da4b8eed5d32070ebb1643aa15f7e92b4154a46ce6771ad9fdd500c9fd69c38
[INFO] running `Command { std: "docker" "start" "-a" "9da4b8eed5d32070ebb1643aa15f7e92b4154a46ce6771ad9fdd500c9fd69c38", kill_on_drop: false }`
[INFO] [stderr]    Compiling matrix_display v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:145:45
[INFO] [stdout]     |
[INFO] [stdout] 145 |     fn with_borders(b: &'a BordersStyle) -> CellDisplay {
[INFO] [stdout]     |                         --                  ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 145 |     fn with_borders(b: &'a BordersStyle) -> CellDisplay<'a> {
[INFO] [stdout]     |                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:145:45
[INFO] [stdout]     |
[INFO] [stdout] 145 |     fn with_borders(b: &'a BordersStyle) -> CellDisplay {
[INFO] [stdout]     |                         --                  ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 145 |     fn with_borders(b: &'a BordersStyle) -> CellDisplay<'a> {
[INFO] [stdout]     |                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `Command { std: "docker" "inspect" "9da4b8eed5d32070ebb1643aa15f7e92b4154a46ce6771ad9fdd500c9fd69c38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9da4b8eed5d32070ebb1643aa15f7e92b4154a46ce6771ad9fdd500c9fd69c38", kill_on_drop: false }`
[INFO] [stdout] 9da4b8eed5d32070ebb1643aa15f7e92b4154a46ce6771ad9fdd500c9fd69c38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f19d6b9d1a5005799f547baf3ca5145148601f671be77131cb2efc0491d6b0e2
[INFO] running `Command { std: "docker" "start" "-a" "f19d6b9d1a5005799f547baf3ca5145148601f671be77131cb2efc0491d6b0e2", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:145:45
[INFO] [stderr]     |
[INFO] [stderr] 145 |     fn with_borders(b: &'a BordersStyle) -> CellDisplay {
[INFO] [stderr]     |                         --                  ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         the lifetime is named here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: consistently use `'a`
[INFO] [stderr]     |
[INFO] [stderr] 145 |     fn with_borders(b: &'a BordersStyle) -> CellDisplay<'a> {
[INFO] [stderr]     |                                                        ++++
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test cell::cell_tests::constructor ... ok
[INFO] [stdout] test matrix::matrix_tests::from_index_less_cols_than_rows ... ok
[INFO] [stdout] test format_tests::default ... ok
[INFO] [stderr] warning: `matrix_display` (lib) generated 1 warning (run `cargo fix --lib -p matrix_display` to apply 1 suggestion)
[INFO] [stderr] warning: `matrix_display` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/matrix_display-b47a3e6c6aa00078)
[INFO] [stdout] test cell::cell_tests::clone_and_partial_eq ... ok
[INFO] [stdout] test matrix_display_tests::height ... ok
[INFO] [stdout] test format_tests::constructor ... ok
[INFO] [stdout] test matrix::matrix_tests::constructor ... ok
[INFO] [stdout] test matrix_display_tests::width ... 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::adds_up_to_correct_size ... ok
[INFO] [stdout] test pad::pad_tests::pad_ascii ... ok
[INFO] [stdout] test pad::pad_tests::pad_cjk ... ok
[INFO] [stdout] test matrix::matrix_tests::from_index_less_rows_than_cols ... ok
[INFO] [stderr]    Doc-tests matrix_display
[INFO] [stdout] test matrix::matrix_tests::from_index_with_square_matrix ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[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; finished in 1.14s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f19d6b9d1a5005799f547baf3ca5145148601f671be77131cb2efc0491d6b0e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f19d6b9d1a5005799f547baf3ca5145148601f671be77131cb2efc0491d6b0e2", kill_on_drop: false }`
[INFO] [stdout] f19d6b9d1a5005799f547baf3ca5145148601f671be77131cb2efc0491d6b0e2