[INFO] fetching crate anchors 0.6.0... [INFO] testing anchors-0.6.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7 [INFO] extracting crate anchors 0.6.0 into /workspace/builds/worker-7-tc1/source [INFO] started tweaking crates.io crate anchors 0.6.0 [INFO] finished tweaking crates.io crate anchors 0.6.0 [INFO] tweaked toml for crates.io crate anchors 0.6.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate anchors 0.6.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate anchors 0.6.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded serde_cbor v0.11.1 [INFO] [stderr] Downloaded plotters-svg v0.3.0 [INFO] [stderr] Downloaded rand_xoshiro v0.4.0 [INFO] [stderr] Downloaded criterion-plot v0.4.3 [INFO] [stderr] Downloaded half v1.7.1 [INFO] [stderr] Downloaded sized-chunks v0.6.4 [INFO] [stderr] Downloaded im v15.0.0 [INFO] [stderr] Downloaded serde_json v1.0.63 [INFO] [stderr] Downloaded criterion v0.3.4 [INFO] [stderr] Downloaded tinytemplate v1.2.0 [INFO] [stderr] Downloaded itertools v0.10.0 [INFO] [stderr] Downloaded plotters-backend v0.3.0 [INFO] [stderr] Downloaded bstr v0.2.15 [INFO] [stderr] Downloaded csv v1.1.5 [INFO] [stderr] Downloaded plotters v0.3.0 [INFO] [stderr] Downloaded arena-graph v0.1.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a7d5b7146593b3b18c4d04fce615f47276ded91072c71802edfbf5da60f9ae98 [INFO] running `Command { std: "docker" "start" "-a" "a7d5b7146593b3b18c4d04fce615f47276ded91072c71802edfbf5da60f9ae98", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a7d5b7146593b3b18c4d04fce615f47276ded91072c71802edfbf5da60f9ae98", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a7d5b7146593b3b18c4d04fce615f47276ded91072c71802edfbf5da60f9ae98", kill_on_drop: false }` [INFO] [stdout] a7d5b7146593b3b18c4d04fce615f47276ded91072c71802edfbf5da60f9ae98 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bc3de9be47df5f701bc7a76cc2bd433feb4492907fa8dc11f97f4d4e1b881d7c [INFO] running `Command { std: "docker" "start" "-a" "bc3de9be47df5f701bc7a76cc2bd433feb4492907fa8dc11f97f4d4e1b881d7c", kill_on_drop: false }` [INFO] [stderr] Compiling typenum v1.12.0 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling im v15.0.0 [INFO] [stderr] Compiling arena-graph v0.1.0 [INFO] [stderr] Compiling rand_xoshiro v0.4.0 [INFO] [stderr] Compiling bitmaps v2.1.0 [INFO] [stderr] Compiling sized-chunks v0.6.4 [INFO] [stderr] Compiling anchors v0.6.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: fields `location` and `type_info` are never read [INFO] [stdout] --> src/singlethread.rs:501:5 [INFO] [stdout] | [INFO] [stdout] 500 | struct AnchorDebugInfo { [INFO] [stdout] | --------------- fields in this struct [INFO] [stdout] 501 | location: Option<(&'static str, &'static Location<'static>)>, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 502 | type_info: &'static str, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `AnchorDebugInfo` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/singlethread/graph2.rs:135:13 [INFO] [stdout] | [INFO] [stdout] 135 | std::mem::drop(count); [INFO] [stdout] | ^^^^^^^^^^^^^^^-----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&Cell` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 135 - std::mem::drop(count); [INFO] [stdout] 135 + let _ = count; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.27s [INFO] running `Command { std: "docker" "inspect" "bc3de9be47df5f701bc7a76cc2bd433feb4492907fa8dc11f97f4d4e1b881d7c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bc3de9be47df5f701bc7a76cc2bd433feb4492907fa8dc11f97f4d4e1b881d7c", kill_on_drop: false }` [INFO] [stdout] bc3de9be47df5f701bc7a76cc2bd433feb4492907fa8dc11f97f4d4e1b881d7c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b836a2bcc4266499aefcd54ae4ee29cf9e838002586a8eb1c345709c0e091011 [INFO] running `Command { std: "docker" "start" "-a" "b836a2bcc4266499aefcd54ae4ee29cf9e838002586a8eb1c345709c0e091011", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.3 [INFO] [stderr] Compiling serde v1.0.123 [INFO] [stderr] Compiling memoffset v0.6.1 [INFO] [stderr] Compiling libc v0.2.86 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling rayon-core v1.9.0 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling byteorder v1.4.2 [INFO] [stderr] Compiling syn v1.0.60 [INFO] [stderr] Compiling serde_json v1.0.63 [INFO] [stderr] Compiling cast v0.2.3 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Compiling plotters-backend v0.3.0 [INFO] [stderr] Compiling serde_derive v1.0.123 [INFO] [stderr] Compiling regex-syntax v0.6.22 [INFO] [stderr] Compiling half v1.7.1 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling itertools v0.10.0 [INFO] [stderr] Compiling oorandom v11.1.3 [INFO] [stdout] warning: fields `location` and `type_info` are never read [INFO] [stdout] --> src/singlethread.rs:501:5 [INFO] [stdout] | [INFO] [stdout] 500 | struct AnchorDebugInfo { [INFO] [stdout] | --------------- fields in this struct [INFO] [stdout] 501 | location: Option<(&'static str, &'static Location<'static>)>, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 502 | type_info: &'static str, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `AnchorDebugInfo` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/singlethread/graph2.rs:135:13 [INFO] [stdout] | [INFO] [stdout] 135 | std::mem::drop(count); [INFO] [stdout] | ^^^^^^^^^^^^^^^-----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&Cell` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 135 - std::mem::drop(count); [INFO] [stdout] 135 + let _ = count; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling regex-automata v0.1.9 [INFO] [stderr] Compiling plotters-svg v0.3.0 [INFO] [stderr] Compiling criterion-plot v0.4.3 [INFO] [stderr] Compiling csv-core v0.1.10 [INFO] [stderr] Compiling crossbeam-epoch v0.9.3 [INFO] [stderr] Compiling crossbeam-channel v0.5.0 [INFO] [stderr] Compiling crossbeam-deque v0.8.0 [INFO] [stderr] Compiling regex v1.4.3 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling plotters v0.3.0 [INFO] [stderr] Compiling bstr v0.2.15 [INFO] [stderr] Compiling serde_cbor v0.11.1 [INFO] [stderr] Compiling csv v1.1.5 [INFO] [stderr] Compiling tinytemplate v1.2.0 [INFO] [stderr] Compiling criterion v0.3.4 [INFO] [stderr] Compiling anchors v0.6.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: fields `location` and `type_info` are never read [INFO] [stdout] --> src/singlethread.rs:501:5 [INFO] [stdout] | [INFO] [stdout] 500 | struct AnchorDebugInfo { [INFO] [stdout] | --------------- fields in this struct [INFO] [stdout] 501 | location: Option<(&'static str, &'static Location<'static>)>, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 502 | type_info: &'static str, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `AnchorDebugInfo` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/singlethread/graph2.rs:135:13 [INFO] [stdout] | [INFO] [stdout] 135 | std::mem::drop(count); [INFO] [stdout] | ^^^^^^^^^^^^^^^-----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&Cell` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 135 - std::mem::drop(count); [INFO] [stdout] 135 + let _ = count; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 21.77s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.4 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2` [INFO] running `Command { std: "docker" "inspect" "b836a2bcc4266499aefcd54ae4ee29cf9e838002586a8eb1c345709c0e091011", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b836a2bcc4266499aefcd54ae4ee29cf9e838002586a8eb1c345709c0e091011", kill_on_drop: false }` [INFO] [stdout] b836a2bcc4266499aefcd54ae4ee29cf9e838002586a8eb1c345709c0e091011 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 071ed8de83eeff2ac9fb95247f071c8f168f5242e3bb087041218e8ab0645cab [INFO] running `Command { std: "docker" "start" "-a" "071ed8de83eeff2ac9fb95247f071c8f168f5242e3bb087041218e8ab0645cab", kill_on_drop: false }` [INFO] [stderr] warning: fields `location` and `type_info` are never read [INFO] [stderr] --> src/singlethread.rs:501:5 [INFO] [stderr] | [INFO] [stderr] 500 | struct AnchorDebugInfo { [INFO] [stderr] | --------------- fields in this struct [INFO] [stderr] 501 | location: Option<(&'static str, &'static Location<'static>)>, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] 502 | type_info: &'static str, [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `AnchorDebugInfo` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stderr] --> src/singlethread/graph2.rs:135:13 [INFO] [stderr] | [INFO] [stderr] 135 | std::mem::drop(count); [INFO] [stderr] | ^^^^^^^^^^^^^^^-----^ [INFO] [stderr] | | [INFO] [stderr] | argument has type `&Cell` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dropping_references)]` on by default [INFO] [stderr] help: use `let _ = ...` to ignore the expression or result [INFO] [stderr] | [INFO] [stderr] 135 - std::mem::drop(count); [INFO] [stderr] 135 + let _ = count; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `anchors` (lib) generated 2 warnings [INFO] [stderr] warning: `anchors` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.4 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2` [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/anchors-0de3fa8d72e71079) [INFO] [stdout] [INFO] [stdout] running 18 tests [INFO] [stdout] test dict::test::test_filter ... ok [INFO] [stdout] test dict::test::test_map ... ok [INFO] [stdout] test singlethread::graph2::test::height_calculated_correctly ... ok [INFO] [stdout] test singlethread::graph2::test::non_cycles_wont_cause_errors ... ok [INFO] [stdout] test singlethread::graph2::test::test_insert_pop ... ok [INFO] [stdout] test singlethread::test::test_cutoff_simple_observed ... ok [INFO] [stdout] test singlethread::test::test_map_simple ... ok [INFO] [stdout] test singlethread::graph2::test::test_free_list ... ok [INFO] [stdout] test singlethread::test::test_garbage_collection_wont_panic ... ok [INFO] [stdout] test singlethread::test::test_readme_example ... ok [INFO] [stdout] test singlethread::test::test_refmap_simple ... ok [INFO] [stdout] test singlethread::graph2::test::cycles_cause_error ... ok [INFO] [stdout] test singlethread::test::test_split_simple ... ok [INFO] [stdout] test singlethread::test::test_then_simple ... ok [INFO] [stdout] test singlethread::test::test_cutoff_simple_unobserved ... ok [INFO] [stdout] test singlethread::graph2::test::set_edge_updates_correctly ... ok [INFO] [stdout] test singlethread::test::test_observed_marking ... ok [INFO] [stdout] test singlethread::graph2::test::test_insert_above_max_height - should panic ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s [INFO] [stdout] [INFO] [stderr] Doc-tests anchors [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test src/expert/ext.rs - expert::ext::AnchorExt (line 17) ... ok [INFO] [stdout] test src/expert/ext.rs - expert::ext::AnchorExt::map (line 38) ... ok [INFO] [stdout] test src/expert/ext.rs - expert::ext::AnchorExt::cutoff (line 109) ... ok [INFO] [stdout] test src/expert/ext.rs - expert::ext::AnchorExt::refmap (line 152) ... ok [INFO] [stdout] test src/expert/ext.rs - expert::ext::AnchorExt::then (line 72) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.97s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "071ed8de83eeff2ac9fb95247f071c8f168f5242e3bb087041218e8ab0645cab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "071ed8de83eeff2ac9fb95247f071c8f168f5242e3bb087041218e8ab0645cab", kill_on_drop: false }` [INFO] [stdout] 071ed8de83eeff2ac9fb95247f071c8f168f5242e3bb087041218e8ab0645cab