[INFO] fetching crate display_tree 1.1.2... [INFO] testing display_tree-1.1.2 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1 [INFO] extracting crate display_tree 1.1.2 into /workspace/builds/worker-7-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-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate display_tree 1.1.2 on toolchain b83b707f97d809763b7861afa7638871f3339a33 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e7f59c5e5f8c4daf1168e79a14caac7443713d2407d755b5f1241edb9bf2f275 [INFO] running `Command { std: "docker" "start" "-a" "e7f59c5e5f8c4daf1168e79a14caac7443713d2407d755b5f1241edb9bf2f275", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e7f59c5e5f8c4daf1168e79a14caac7443713d2407d755b5f1241edb9bf2f275", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e7f59c5e5f8c4daf1168e79a14caac7443713d2407d755b5f1241edb9bf2f275", kill_on_drop: false }` [INFO] [stdout] e7f59c5e5f8c4daf1168e79a14caac7443713d2407d755b5f1241edb9bf2f275 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5fb2b1e7e010bdbf028ba786a08079c6509f0cb7641fd958947a7f3412808665 [INFO] running `Command { std: "docker" "start" "-a" "5fb2b1e7e010bdbf028ba786a08079c6509f0cb7641fd958947a7f3412808665", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.101 [INFO] [stderr] Compiling version_check v0.9.5 [INFO] [stderr] Compiling unicode-ident v1.0.18 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling quote v1.0.40 [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 2.83s [INFO] running `Command { std: "docker" "inspect" "5fb2b1e7e010bdbf028ba786a08079c6509f0cb7641fd958947a7f3412808665", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5fb2b1e7e010bdbf028ba786a08079c6509f0cb7641fd958947a7f3412808665", kill_on_drop: false }` [INFO] [stdout] 5fb2b1e7e010bdbf028ba786a08079c6509f0cb7641fd958947a7f3412808665 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 768636fc19289a879e86a80370f4d27aeffbce2146e2556d1ee7990e47f82921 [INFO] running `Command { std: "docker" "start" "-a" "768636fc19289a879e86a80370f4d27aeffbce2146e2556d1ee7990e47f82921", kill_on_drop: false }` [INFO] [stderr] Compiling display_tree v1.1.2 (/opt/rustwide/workdir) [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 0.39s [INFO] running `Command { std: "docker" "inspect" "768636fc19289a879e86a80370f4d27aeffbce2146e2556d1ee7990e47f82921", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "768636fc19289a879e86a80370f4d27aeffbce2146e2556d1ee7990e47f82921", kill_on_drop: false }` [INFO] [stdout] 768636fc19289a879e86a80370f4d27aeffbce2146e2556d1ee7990e47f82921 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] a701fe045a5695c66b1a32e737a1dbc8f04cb89e55388f1f2b67b7e10687f2cc [INFO] running `Command { std: "docker" "start" "-a" "a701fe045a5695c66b1a32e737a1dbc8f04cb89e55388f1f2b67b7e10687f2cc", 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] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/display_tree-00b436f32f748e58) [INFO] [stdout] [INFO] [stdout] running 17 tests [INFO] [stdout] test display::tests::background_color ... ok [INFO] [stdout] test display::tests::bold ... ok [INFO] [stdout] test display::tests::italic ... ok [INFO] [stdout] test display::tests::plain ... ok [INFO] [stdout] test display::tests::faint ... ok [INFO] [stdout] test display::tests::strikethrough ... 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_box ... ok [INFO] [stdout] test to_display_tree_ref::tests::from_cow ... ok [INFO] [stdout] test to_display_tree_ref::tests::from_rc ... 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] [INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running tests/attrs.rs (/opt/rustwide/target/debug/deps/attrs-504ce42ea4111c6a) [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_ignore_field_struct ... ok [INFO] [stdout] test field_attr_node_label_enum ... 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 field_attr_tree_struct ... ok [INFO] [stdout] test node_attr_node_label_enum ... ok [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] [stderr] Running tests/derive.rs (/opt/rustwide/target/debug/deps/derive-5d18765e77da7eab) [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test enum_named ... ok [INFO] [stdout] test enum_unnamed ... ok [INFO] [stdout] test enum_unit ... ok [INFO] [stdout] test field_struct ... ok [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] [stderr] Running tests/style.rs (/opt/rustwide/target/debug/deps/style-0ba3f447eb3117ed) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test char_set ... ok [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] [stderr] Doc-tests display_tree [INFO] [stdout] [INFO] [stdout] running 25 tests [INFO] [stdout] test src/display.rs - display::Style (line 129) ... ok [INFO] [stdout] test src/display.rs - display::CharSet (line 309) ... ok [INFO] [stdout] test src/display.rs - display::AsTree<'a,T>::new (line 74) ... ok [INFO] [stdout] test src/lib.rs - DisplayTree (line 198) ... ok [INFO] [stdout] test src/display.rs - display::StyleBuilder::char_set (line 399) ... ok [INFO] [stdout] test src/lib.rs - DisplayTree (line 228) ... ok [INFO] [stdout] test src/display.rs - display::AsTree (line 24) ... ok [INFO] [stdout] test src/lib.rs - DisplayTree (line 186) ... ok [INFO] [stdout] test src/display.rs - display::AsTree<'a,T>::with_style (line 94) ... ok [INFO] [stdout] test src/lib.rs - (line 21) ... ok [INFO] [stdout] test src/lib.rs - DisplayTree::fmt (line 242) ... ok [INFO] [stdout] test src/lib.rs - DisplayTree (line 101) ... ok [INFO] [stdout] test src/display.rs - display::StyleBuilder::indentation (line 433) ... ok [INFO] [stdout] test src/lib.rs - DisplayTree (line 210) ... ok [INFO] [stdout] test src/lib.rs - format_tree (line 477) ... ok [INFO] [stdout] test src/display.rs - display::AsTree (line 45) ... ok [INFO] [stdout] test src/lib.rs - print_tree (line 292) ... ok [INFO] [stdout] test src/lib.rs - print_tree (line 302) ... ok [INFO] [stdout] test src/lib.rs - println_tree (line 327) ... ok [INFO] [stdout] test src/lib.rs - println_tree (line 337) ... ok [INFO] [stdout] test src/lib.rs - format_tree (line 488) ... ok [INFO] [stdout] test src/lib.rs - write_tree (line 361) ... ok [INFO] [stdout] test src/lib.rs - write_tree (line 376) ... ok [INFO] [stdout] test src/lib.rs - writeln_tree (line 419) ... ok [INFO] [stdout] test src/lib.rs - writeln_tree (line 434) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 25 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.42s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "a701fe045a5695c66b1a32e737a1dbc8f04cb89e55388f1f2b67b7e10687f2cc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a701fe045a5695c66b1a32e737a1dbc8f04cb89e55388f1f2b67b7e10687f2cc", kill_on_drop: false }` [INFO] [stdout] a701fe045a5695c66b1a32e737a1dbc8f04cb89e55388f1f2b67b7e10687f2cc