[INFO] fetching crate display_tree 1.1.2... [INFO] testing display_tree-1.1.2 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7 [INFO] extracting crate display_tree 1.1.2 into /workspace/builds/worker-0-tc2/source [INFO] started tweaking crates.io crate display_tree 1.1.2 [INFO] finished tweaking crates.io crate display_tree 1.1.2 [INFO] tweaked toml for crates.io crate display_tree 1.1.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate display_tree 1.1.2 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 8 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b226cc409af3542b588bdff11398c053609ca4b7ff7ea892baef981ab7d6415f [INFO] running `Command { std: "docker" "start" "-a" "b226cc409af3542b588bdff11398c053609ca4b7ff7ea892baef981ab7d6415f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b226cc409af3542b588bdff11398c053609ca4b7ff7ea892baef981ab7d6415f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b226cc409af3542b588bdff11398c053609ca4b7ff7ea892baef981ab7d6415f", kill_on_drop: false }` [INFO] [stdout] b226cc409af3542b588bdff11398c053609ca4b7ff7ea892baef981ab7d6415f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 68ff7dee787e77c9318577ba8713fcc006f3b93c36233d8d1f2e2e256a6a0da3 [INFO] running `Command { std: "docker" "start" "-a" "68ff7dee787e77c9318577ba8713fcc006f3b93c36233d8d1f2e2e256a6a0da3", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling display_tree_derive v1.0.3 [INFO] [stderr] Compiling display_tree v1.1.2 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.47s [INFO] running `Command { std: "docker" "inspect" "68ff7dee787e77c9318577ba8713fcc006f3b93c36233d8d1f2e2e256a6a0da3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "68ff7dee787e77c9318577ba8713fcc006f3b93c36233d8d1f2e2e256a6a0da3", kill_on_drop: false }` [INFO] [stdout] 68ff7dee787e77c9318577ba8713fcc006f3b93c36233d8d1f2e2e256a6a0da3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f200d27fdf9ee1357efb71d7353565a66ad3ed124b22f6700f355f88ed29d1e5 [INFO] running `Command { std: "docker" "start" "-a" "f200d27fdf9ee1357efb71d7353565a66ad3ed124b22f6700f355f88ed29d1e5", kill_on_drop: false }` [INFO] [stderr] Compiling display_tree v1.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: value assigned to `b` is never read [INFO] [stdout] --> tests/attrs.rs:140:13 [INFO] [stdout] | [INFO] [stdout] 140 | b: bool, [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary allocation, use `&` instead [INFO] [stdout] --> src/to_display_tree_ref.rs:91:20 [INFO] [stdout] | [INFO] [stdout] 91 | assert_eq!(Box::new(Tree).to_display_tree(), &Tree) [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_allocation)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.15s [INFO] running `Command { std: "docker" "inspect" "f200d27fdf9ee1357efb71d7353565a66ad3ed124b22f6700f355f88ed29d1e5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f200d27fdf9ee1357efb71d7353565a66ad3ed124b22f6700f355f88ed29d1e5", kill_on_drop: false }` [INFO] [stdout] f200d27fdf9ee1357efb71d7353565a66ad3ed124b22f6700f355f88ed29d1e5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 9d25ea82a3e367e3baa09ce51ffe4461a2a20470b768702cf50b857a515f2109 [INFO] running `Command { std: "docker" "start" "-a" "9d25ea82a3e367e3baa09ce51ffe4461a2a20470b768702cf50b857a515f2109", kill_on_drop: false }` [INFO] [stderr] warning: unnecessary allocation, use `&` instead [INFO] [stderr] --> src/to_display_tree_ref.rs:91:20 [INFO] [stderr] | [INFO] [stderr] 91 | assert_eq!(Box::new(Tree).to_display_tree(), &Tree) [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_allocation)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `display_tree` (lib test) generated 1 warning [INFO] [stderr] warning: value assigned to `b` is never read [INFO] [stderr] --> tests/attrs.rs:140:13 [INFO] [stderr] | [INFO] [stderr] 140 | b: bool, [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `display_tree` (test "attrs") generated 1 warning [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/display_tree-4252508423075889) [INFO] [stdout] [INFO] [stdout] running 17 tests [INFO] [stdout] test display::tests::background_color ... ok [INFO] [stdout] test display::tests::italic ... ok [INFO] [stdout] test display::tests::strikethrough ... ok [INFO] [stdout] test display::tests::faint ... ok [INFO] [stdout] test to_display_tree_ref::tests::from_box ... ok [INFO] [stdout] test to_display_tree_ref::tests::from_cow ... ok [INFO] [stdout] test display::tests::text_color ... ok [INFO] [stdout] test display::tests::underline ... ok [INFO] [stdout] test tests::format ... ok [INFO] [stdout] test tests::write ... ok [INFO] [stdout] test tests::writeln ... ok [INFO] [stdout] test to_display_tree_ref::tests::from_arc ... ok [INFO] [stdout] test to_display_tree_ref::tests::from_reference ... ok [INFO] [stdout] test to_display_tree_ref::tests::from_value ... ok [INFO] [stdout] test display::tests::plain ... ok [INFO] [stderr] Running tests/attrs.rs (/opt/rustwide/target/debug/deps/attrs-55960d9369366aa7) [INFO] [stdout] test to_display_tree_ref::tests::from_rc ... ok [INFO] [stdout] test display::tests::bold ... 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] [stdout] [INFO] [stdout] running 13 tests [INFO] [stdout] test field_attr_field_label_enum ... ok [INFO] [stdout] test field_attr_field_label_no_args_enum ... ok [INFO] [stdout] test field_attr_field_label_no_args_struct ... ok [INFO] [stdout] test field_attr_field_label_struct ... ok [INFO] [stdout] test field_attr_ignore_field_enum ... ok [INFO] [stdout] test field_attr_node_label_enum ... ok [INFO] [stdout] test field_attr_tree_struct ... ok [INFO] [stdout] test field_attr_node_label_struct ... ok [INFO] [stdout] test field_attr_tree_enum ... ok [INFO] [stdout] test field_attr_tree_self ... ok [INFO] [stdout] test node_attr_node_label_enum ... ok [INFO] [stdout] test field_attr_ignore_field_struct ... ok [INFO] [stderr] Running tests/derive.rs (/opt/rustwide/target/debug/deps/derive-c2eed2ce2a41dbac) [INFO] [stdout] test node_attr_node_label_struct ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 13 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 enum_unit ... ok [INFO] [stdout] test enum_unnamed ... ok [INFO] [stdout] test field_struct ... ok [INFO] [stdout] test enum_named ... ok [INFO] [stderr] Running tests/style.rs (/opt/rustwide/target/debug/deps/style-25cd33d03e34b9db) [INFO] [stdout] test tuple_struct ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test char_set ... ok [INFO] [stderr] Doc-tests display_tree [INFO] [stdout] test indentation ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 25 tests [INFO] [stdout] test src/display.rs - display::CharSet (line 309) ... ok [INFO] [stdout] test src/display.rs - display::AsTree<'a,T>::with_style (line 94) ... ok [INFO] [stdout] test src/display.rs - display::Style (line 129) ... ok [INFO] [stdout] test src/display.rs - display::AsTree (line 24) ... ok [INFO] [stdout] test src/lib.rs - DisplayTree::fmt (line 242) ... ok [INFO] [stdout] test src/lib.rs - DisplayTree (line 228) ... ok [INFO] [stdout] test src/display.rs - display::AsTree<'a,T>::new (line 74) ... ok [INFO] [stdout] test src/lib.rs - (line 21) ... ok [INFO] [stdout] test src/lib.rs - format_tree (line 477) ... ok [INFO] [stdout] test src/display.rs - display::StyleBuilder::char_set (line 399) ... ok [INFO] [stdout] test src/lib.rs - print_tree (line 292) ... ok [INFO] [stdout] test src/lib.rs - DisplayTree (line 101) ... ok [INFO] [stdout] test src/lib.rs - DisplayTree (line 210) ... ok [INFO] [stdout] test src/lib.rs - DisplayTree (line 198) ... ok [INFO] [stdout] test src/display.rs - display::StyleBuilder::indentation (line 433) ... ok [INFO] [stdout] test src/lib.rs - DisplayTree (line 186) ... ok [INFO] [stdout] test src/display.rs - display::AsTree (line 45) ... ok [INFO] [stdout] test src/lib.rs - println_tree (line 327) ... ok [INFO] [stdout] test src/lib.rs - print_tree (line 302) ... ok [INFO] [stdout] test src/lib.rs - println_tree (line 337) ... ok [INFO] [stdout] test src/lib.rs - writeln_tree (line 419) ... ok [INFO] [stdout] test src/lib.rs - write_tree (line 361) ... ok [INFO] [stdout] test src/lib.rs - format_tree (line 488) ... ok [INFO] [stdout] test src/lib.rs - writeln_tree (line 434) ... ok [INFO] [stdout] test src/lib.rs - write_tree (line 376) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 25 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.47s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "9d25ea82a3e367e3baa09ce51ffe4461a2a20470b768702cf50b857a515f2109", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9d25ea82a3e367e3baa09ce51ffe4461a2a20470b768702cf50b857a515f2109", kill_on_drop: false }` [INFO] [stdout] 9d25ea82a3e367e3baa09ce51ffe4461a2a20470b768702cf50b857a515f2109