[INFO] fetching crate ojo_graph 0.1.0... [INFO] checking ojo_graph-0.1.0 against master#b52edc25bfbaa955b4b83c10f998e5224c3478b2 for pr-156776 [INFO] extracting crate ojo_graph 0.1.0 into /workspace/builds/worker-1-tc1/source [INFO] started tweaking crates.io crate ojo_graph 0.1.0 [INFO] finished tweaking crates.io crate ojo_graph 0.1.0 [INFO] tweaked toml for crates.io crate ojo_graph 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate ojo_graph 0.1.0 on toolchain b52edc25bfbaa955b4b83c10f998e5224c3478b2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b52edc25bfbaa955b4b83c10f998e5224c3478b2" "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" "+b52edc25bfbaa955b4b83c10f998e5224c3478b2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 72 packages to latest compatible versions [INFO] [stderr] Adding itertools v0.8.2 (available: v0.14.0) [INFO] [stderr] Adding proptest v0.8.7 (available: v1.11.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b52edc25bfbaa955b4b83c10f998e5224c3478b2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rusty-fork v0.2.2 [INFO] [stderr] Downloaded proptest v0.8.7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b52edc25bfbaa955b4b83c10f998e5224c3478b2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f7da69cbd9fd8998b1015cf30a5d7e0284a36ca0a46a5c4e1e73328d49f0c2fa [INFO] running `Command { std: "docker" "start" "-a" "f7da69cbd9fd8998b1015cf30a5d7e0284a36ca0a46a5c4e1e73328d49f0c2fa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f7da69cbd9fd8998b1015cf30a5d7e0284a36ca0a46a5c4e1e73328d49f0c2fa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f7da69cbd9fd8998b1015cf30a5d7e0284a36ca0a46a5c4e1e73328d49f0c2fa", kill_on_drop: false }` [INFO] [stdout] f7da69cbd9fd8998b1015cf30a5d7e0284a36ca0a46a5c4e1e73328d49f0c2fa [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b52edc25bfbaa955b4b83c10f998e5224c3478b2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4a4b4aa3643c0c19eccd1d33f242958de11580cb49ab74dede9c89c59b08a878 [INFO] running `Command { std: "docker" "start" "-a" "4a4b4aa3643c0c19eccd1d33f242958de11580cb49ab74dede9c89c59b08a878", kill_on_drop: false }` [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Checking bit-vec v0.6.3 [INFO] [stderr] Checking either v1.16.0 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking getrandom v0.4.2 [INFO] [stderr] Checking wait-timeout v0.2.1 [INFO] [stderr] Checking tempfile v3.27.0 [INFO] [stderr] Checking itertools v0.8.2 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rusty-fork v0.2.2 [INFO] [stderr] Checking bit-set v0.5.3 [INFO] [stderr] Checking rand v0.5.6 [INFO] [stderr] Checking ojo_graph v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking proptest v0.8.7 [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/tarjan.rs:129:22 [INFO] [stdout] | [INFO] [stdout] 129 | .into_iter() [INFO] [stdout] | ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter` [INFO] [stdout] ... [INFO] [stdout] 137 | tarjan_test!(triangle, "0-1, 1-2, 2-0", [[0, 1, 2]]); [INFO] [stdout] | ---------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(array_into_iter)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] = note: this warning originates in the macro `tarjan_test` (in Nightly builds, run with -Z macro-backtrace for more info) [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/tarjan.rs:129:22 [INFO] [stdout] | [INFO] [stdout] 129 | .into_iter() [INFO] [stdout] | ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter` [INFO] [stdout] ... [INFO] [stdout] 138 | / tarjan_test!( [INFO] [stdout] 139 | | two_triangles, [INFO] [stdout] 140 | | "0-1, 1-2, 2-0, 2-3, 3-4, 4-5, 5-3", [INFO] [stdout] 141 | | [[0, 1, 2], [3, 4, 5]] [INFO] [stdout] 142 | | ); [INFO] [stdout] | |_____- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: this warning originates in the macro `tarjan_test` (in Nightly builds, run with -Z macro-backtrace for more info) [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/tarjan.rs:129:22 [INFO] [stdout] | [INFO] [stdout] 129 | .into_iter() [INFO] [stdout] | ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter` [INFO] [stdout] ... [INFO] [stdout] 143 | tarjan_test!(diamond, "0-1, 0-2, 1-3, 2-3", [[0], [2], [1], [3]]); [INFO] [stdout] | ----------------------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: this warning originates in the macro `tarjan_test` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.91s [INFO] running `Command { std: "docker" "inspect" "4a4b4aa3643c0c19eccd1d33f242958de11580cb49ab74dede9c89c59b08a878", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4a4b4aa3643c0c19eccd1d33f242958de11580cb49ab74dede9c89c59b08a878", kill_on_drop: false }` [INFO] [stdout] 4a4b4aa3643c0c19eccd1d33f242958de11580cb49ab74dede9c89c59b08a878