[INFO] fetching crate sharpen 0.1.0... [INFO] testing sharpen-0.1.0 against beta-2022-02-22 for beta-1.60-1 [INFO] extracting crate sharpen 0.1.0 into /workspace/builds/worker-73/source [INFO] validating manifest of crates.io crate sharpen 0.1.0 on toolchain beta-2022-02-22 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate sharpen 0.1.0 [INFO] finished tweaking crates.io crate sharpen 0.1.0 [INFO] tweaked toml for crates.io crate sharpen 0.1.0 written to /workspace/builds/worker-73/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rand_xoshiro v0.1.0 [INFO] [stderr] Downloaded csv-core v0.1.10 [INFO] [stderr] Downloaded cast v0.2.7 [INFO] [stderr] Downloaded criterion-plot v0.3.1 [INFO] [stderr] Downloaded semver v1.0.6 [INFO] [stderr] Downloaded criterion v0.2.11 [INFO] [stderr] Downloaded rustc_version v0.4.0 [INFO] [stderr] Downloaded csv v1.1.6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 973cc1b822a36708b35305337d5d494c0278a16bf2f31dbd376b045a339bcfd2 [INFO] running `Command { std: "docker" "start" "-a" "973cc1b822a36708b35305337d5d494c0278a16bf2f31dbd376b045a339bcfd2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "973cc1b822a36708b35305337d5d494c0278a16bf2f31dbd376b045a339bcfd2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "973cc1b822a36708b35305337d5d494c0278a16bf2f31dbd376b045a339bcfd2", kill_on_drop: false }` [INFO] [stdout] 973cc1b822a36708b35305337d5d494c0278a16bf2f31dbd376b045a339bcfd2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1c66cc79bf69b243bf1e255a9ebf1bb9f39abea2d6c898d15469f5d6449fd23e [INFO] running `Command { std: "docker" "start" "-a" "1c66cc79bf69b243bf1e255a9ebf1bb9f39abea2d6c898d15469f5d6449fd23e", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling sharpen v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.52s [INFO] running `Command { std: "docker" "inspect" "1c66cc79bf69b243bf1e255a9ebf1bb9f39abea2d6c898d15469f5d6449fd23e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1c66cc79bf69b243bf1e255a9ebf1bb9f39abea2d6c898d15469f5d6449fd23e", kill_on_drop: false }` [INFO] [stdout] 1c66cc79bf69b243bf1e255a9ebf1bb9f39abea2d6c898d15469f5d6449fd23e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e0e7c37716566a9b12c1195c552c8b2f7d556fe443c132cf606435155f20791d [INFO] running `Command { std: "docker" "start" "-a" "e0e7c37716566a9b12c1195c552c8b2f7d556fe443c132cf606435155f20791d", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.7 [INFO] [stderr] Compiling semver v1.0.6 [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling crossbeam-epoch v0.9.7 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling syn v1.0.86 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling unicode-width v0.1.9 [INFO] [stderr] Compiling regex-automata v0.1.10 [INFO] [stderr] Compiling itoa v0.4.8 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling itertools v0.8.2 [INFO] [stderr] Compiling walkdir v2.3.2 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling rand_xoshiro v0.1.0 [INFO] [stderr] Compiling clap v2.34.0 [INFO] [stderr] Compiling crossbeam-channel v0.5.2 [INFO] [stderr] Compiling csv-core v0.1.10 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Compiling cast v0.2.7 [INFO] [stderr] Compiling crossbeam-deque v0.8.1 [INFO] [stderr] Compiling criterion-plot v0.3.1 [INFO] [stderr] Compiling bstr v0.2.17 [INFO] [stderr] Compiling serde_json v1.0.79 [INFO] [stderr] Compiling serde_derive v1.0.136 [INFO] [stderr] Compiling csv v1.1.6 [INFO] [stderr] Compiling tinytemplate v1.2.1 [INFO] [stderr] Compiling criterion v0.2.11 [INFO] [stderr] Compiling sharpen v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021 [INFO] [stdout] --> src/tree_collapse/tests.rs:62:18 [INFO] [stdout] | [INFO] [stdout] 62 | .into_iter() [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(array_into_iter)]` on by default [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 62 | .iter() [INFO] [stdout] | ~~~~ [INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stdout] | [INFO] [stdout] 61 | mapping: IntoIterator::into_iter([(1, 0), (2, 0), (4, 3), (5, 4), (6, 3), (7, 3)]) [INFO] [stdout] | ++++++++++++++++++++++++ ~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021 [INFO] [stdout] --> src/tree_collapse/tests.rs:105:18 [INFO] [stdout] | [INFO] [stdout] 105 | .into_iter() [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 105 | .iter() [INFO] [stdout] | ~~~~ [INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stdout] | [INFO] [stdout] 104 | mapping: IntoIterator::into_iter([(0, 2), (1, 2), (3, 4), (4, 7), (5, 7), (6, 7)]) [INFO] [stdout] | ++++++++++++++++++++++++ ~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 17.88s [INFO] running `Command { std: "docker" "inspect" "e0e7c37716566a9b12c1195c552c8b2f7d556fe443c132cf606435155f20791d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e0e7c37716566a9b12c1195c552c8b2f7d556fe443c132cf606435155f20791d", kill_on_drop: false }` [INFO] [stdout] e0e7c37716566a9b12c1195c552c8b2f7d556fe443c132cf606435155f20791d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] d9e2d2f3e93d42ea5deab8e824c9e126a05c1a2d016dc55f45e248bdb0edf57a [INFO] running `Command { std: "docker" "start" "-a" "d9e2d2f3e93d42ea5deab8e824c9e126a05c1a2d016dc55f45e248bdb0edf57a", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021 [INFO] [stderr] --> src/tree_collapse/tests.rs:62:18 [INFO] [stderr] | [INFO] [stderr] 62 | .into_iter() [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(array_into_iter)]` on by default [INFO] [stderr] = warning: this changes meaning in Rust 2021 [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stderr] | [INFO] [stderr] 62 | .iter() [INFO] [stderr] | ~~~~ [INFO] [stderr] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stderr] | [INFO] [stderr] 61 | mapping: IntoIterator::into_iter([(1, 0), (2, 0), (4, 3), (5, 4), (6, 3), (7, 3)]) [INFO] [stderr] | ++++++++++++++++++++++++ ~ [INFO] [stderr] [INFO] [stderr] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021 [INFO] [stderr] --> src/tree_collapse/tests.rs:105:18 [INFO] [stderr] | [INFO] [stderr] 105 | .into_iter() [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this changes meaning in Rust 2021 [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stderr] | [INFO] [stderr] 105 | .iter() [INFO] [stderr] | ~~~~ [INFO] [stderr] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stderr] | [INFO] [stderr] 104 | mapping: IntoIterator::into_iter([(0, 2), (1, 2), (3, 4), (4, 7), (5, 7), (6, 7)]) [INFO] [stderr] | ++++++++++++++++++++++++ ~ [INFO] [stderr] [INFO] [stderr] warning: `sharpen` (lib test) generated 2 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.28s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/sharpen-220da869c059e532) [INFO] [stdout] [INFO] [stdout] running 9 tests [INFO] [stderr] Doc-tests sharpen [INFO] [stdout] test classify_::tests::test_clsf0 ... ok [INFO] [stdout] test classify_::tests::test_clsf1 ... ok [INFO] [stdout] test classify_::tests::test_clsfit2 ... ok [INFO] [stdout] test tree_collapse::tests::test_collapse_bottomup_complex_tree ... ok [INFO] [stdout] test classify_::tests::test_clsf2 ... ok [INFO] [stdout] test tree_collapse::tests::test_collapse_complex_tree ... ok [INFO] [stdout] test tree_rollup::tests::test_rollup_tree ... ok [INFO] [stdout] test tree_rollup::tests::test_rollup_bottomup_complex_tree ... ok [INFO] [stdout] test tree_rollup::tests::test_rollup_complex_tree ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "d9e2d2f3e93d42ea5deab8e824c9e126a05c1a2d016dc55f45e248bdb0edf57a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d9e2d2f3e93d42ea5deab8e824c9e126a05c1a2d016dc55f45e248bdb0edf57a", kill_on_drop: false }` [INFO] [stdout] d9e2d2f3e93d42ea5deab8e824c9e126a05c1a2d016dc55f45e248bdb0edf57a