[INFO] fetching crate quilt_graph 0.1.1... [INFO] checking quilt_graph-0.1.1 against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073 [INFO] extracting crate quilt_graph 0.1.1 into /workspace/builds/worker-14/source [INFO] validating manifest of crates.io crate quilt_graph 0.1.1 on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate quilt_graph 0.1.1 [INFO] finished tweaking crates.io crate quilt_graph 0.1.1 [INFO] tweaked toml for crates.io crate quilt_graph 0.1.1 written to /workspace/builds/worker-14/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "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" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded bit-set v0.5.2 [INFO] [stderr] Downloaded bit-vec v0.6.3 [INFO] [stderr] Downloaded redox_syscall v0.2.8 [INFO] [stderr] Downloaded itertools v0.8.2 [INFO] [stderr] Downloaded rusty-fork v0.2.2 [INFO] [stderr] Downloaded rand v0.5.6 [INFO] [stderr] Downloaded either v1.6.1 [INFO] [stderr] Downloaded fnv v1.0.7 [INFO] [stderr] Downloaded regex-syntax v0.6.25 [INFO] [stderr] Downloaded libc v0.2.94 [INFO] [stderr] Downloaded proptest v0.8.7 [INFO] [stderr] Downloaded wait-timeout v0.2.0 [INFO] [stderr] Downloaded getrandom v0.2.3 [INFO] [stderr] Downloaded tempfile v3.2.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8174b7e4f3071d62810bd9f40a184533154300724e8f5106cdde9770f5fd4098 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "8174b7e4f3071d62810bd9f40a184533154300724e8f5106cdde9770f5fd4098", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8174b7e4f3071d62810bd9f40a184533154300724e8f5106cdde9770f5fd4098", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8174b7e4f3071d62810bd9f40a184533154300724e8f5106cdde9770f5fd4098", kill_on_drop: false }` [INFO] [stdout] 8174b7e4f3071d62810bd9f40a184533154300724e8f5106cdde9770f5fd4098 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 76df0f4cd4e398af46fe2a4ab935a450c51979ee7d018093f41da13ee02f179d [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "76df0f4cd4e398af46fe2a4ab935a450c51979ee7d018093f41da13ee02f179d", kill_on_drop: false }` [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking bit-vec v0.6.3 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Checking itertools v0.8.2 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking rand v0.5.6 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking bit-set v0.5.2 [INFO] [stderr] Checking rand_core v0.6.2 [INFO] [stderr] Checking rand_chacha v0.3.0 [INFO] [stderr] Checking rand v0.8.3 [INFO] [stderr] Checking quilt_graph v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] Checking tempfile v3.2.0 [INFO] [stderr] Checking rusty-fork v0.2.2 [INFO] [stderr] Checking proptest v0.8.7 [INFO] [stdout] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added. [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] = note: `#[warn(array_into_iter)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #66145 [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added. [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 was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #66145 [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added. [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 was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #66145 [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 19.48s [INFO] running `Command { std: "docker" "inspect" "76df0f4cd4e398af46fe2a4ab935a450c51979ee7d018093f41da13ee02f179d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "76df0f4cd4e398af46fe2a4ab935a450c51979ee7d018093f41da13ee02f179d", kill_on_drop: false }` [INFO] [stdout] 76df0f4cd4e398af46fe2a4ab935a450c51979ee7d018093f41da13ee02f179d