[INFO] fetching crate acyclic-network 0.2.0... [INFO] checking acyclic-network-0.2.0 against master#0e517d38ad0e72f93c734b14fabd4bb9b7441de6 for pr-140557-1 [INFO] extracting crate acyclic-network 0.2.0 into /workspace/builds/worker-1-tc1/source [INFO] validating manifest of crates.io crate acyclic-network 0.2.0 on toolchain 0e517d38ad0e72f93c734b14fabd4bb9b7441de6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0e517d38ad0e72f93c734b14fabd4bb9b7441de6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate acyclic-network 0.2.0 [INFO] finished tweaking crates.io crate acyclic-network 0.2.0 [INFO] tweaked toml for crates.io crate acyclic-network 0.2.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0e517d38ad0e72f93c734b14fabd4bb9b7441de6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 10 packages to latest compatible versions [INFO] [stderr] Adding fixedbitset v0.1.9 (available: v0.5.7) [INFO] [stderr] Adding rand v0.4.6 (available: v0.9.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0e517d38ad0e72f93c734b14fabd4bb9b7441de6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [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 rand_core v0.4.2 [INFO] [stderr] Downloaded fixedbitset v0.1.9 [INFO] [stderr] Downloaded rdrand v0.4.0 [INFO] [stderr] Downloaded rand v0.4.6 [INFO] [stderr] Downloaded fuchsia-cprng v0.1.1 [INFO] [stderr] Downloaded rand_core v0.3.1 [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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+0e517d38ad0e72f93c734b14fabd4bb9b7441de6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a973c0a498b43d87a260378aa9b2dba339a64eb8440ab2fa6e8589640c20361f [INFO] running `Command { std: "docker" "start" "-a" "a973c0a498b43d87a260378aa9b2dba339a64eb8440ab2fa6e8589640c20361f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a973c0a498b43d87a260378aa9b2dba339a64eb8440ab2fa6e8589640c20361f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a973c0a498b43d87a260378aa9b2dba339a64eb8440ab2fa6e8589640c20361f", kill_on_drop: false }` [INFO] [stdout] a973c0a498b43d87a260378aa9b2dba339a64eb8440ab2fa6e8589640c20361f [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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+0e517d38ad0e72f93c734b14fabd4bb9b7441de6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ebc5065a5c5aa08ee588387e5f9c87bd15c589695a8ed5a3f46f9738030b466d [INFO] running `Command { std: "docker" "start" "-a" "ebc5065a5c5aa08ee588387e5f9c87bd15c589695a8ed5a3f46f9738030b466d", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling libc v0.2.172 [INFO] [stderr] Checking fixedbitset v0.1.9 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking acyclic-network v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:184:17 [INFO] [stdout] | [INFO] [stdout] 184 | type Item = (LinkRefItem<'a, N, L, EXTID>); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 184 - type Item = (LinkRefItem<'a, N, L, EXTID>); [INFO] [stdout] 184 + type Item = LinkRefItem<'a, N, L, EXTID>; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:184:17 [INFO] [stdout] | [INFO] [stdout] 184 | type Item = (LinkRefItem<'a, N, L, EXTID>); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 184 - type Item = (LinkRefItem<'a, N, L, EXTID>); [INFO] [stdout] 184 + type Item = LinkRefItem<'a, N, L, EXTID>; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/lib.rs:859:20 [INFO] [stdout] | [INFO] [stdout] 859 | panic!(err); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] help: add a "{}" format string to `Display` the message [INFO] [stdout] | [INFO] [stdout] 859 | panic!("{}", err); [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/lib.rs:892:20 [INFO] [stdout] | [INFO] [stdout] 892 | panic!(err); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: add a "{}" format string to `Display` the message [INFO] [stdout] | [INFO] [stdout] 892 | panic!("{}", err); [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/lib.rs:859:20 [INFO] [stdout] | [INFO] [stdout] 859 | panic!(err); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] help: add a "{}" format string to `Display` the message [INFO] [stdout] | [INFO] [stdout] 859 | panic!("{}", err); [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/lib.rs:892:20 [INFO] [stdout] | [INFO] [stdout] 892 | panic!(err); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: add a "{}" format string to `Display` the message [INFO] [stdout] | [INFO] [stdout] 892 | panic!("{}", err); [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/lib.rs:1529:9 [INFO] [stdout] | [INFO] [stdout] 1529 | drop(i1); [INFO] [stdout] | ^^^^^--^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `NodeIndex` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_copy_types)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 1529 - drop(i1); [INFO] [stdout] 1529 + let _ = i1; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/lib.rs:1543:9 [INFO] [stdout] | [INFO] [stdout] 1543 | drop(h2); [INFO] [stdout] | ^^^^^--^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `NodeIndex` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 1543 - drop(h2); [INFO] [stdout] 1543 + let _ = h2; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/lib.rs:1555:9 [INFO] [stdout] | [INFO] [stdout] 1555 | drop(o1); [INFO] [stdout] | ^^^^^--^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `NodeIndex` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 1555 - drop(o1); [INFO] [stdout] 1555 + let _ = o1; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.43s [INFO] running `Command { std: "docker" "inspect" "ebc5065a5c5aa08ee588387e5f9c87bd15c589695a8ed5a3f46f9738030b466d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ebc5065a5c5aa08ee588387e5f9c87bd15c589695a8ed5a3f46f9738030b466d", kill_on_drop: false }` [INFO] [stdout] ebc5065a5c5aa08ee588387e5f9c87bd15c589695a8ed5a3f46f9738030b466d