[INFO] fetching crate algorithms-edu 0.2.7... [INFO] checking algorithms-edu-0.2.7 against master#0599f3403366d9c57f0625e6de3af214b5042a90 for pr-87710 [INFO] extracting crate algorithms-edu 0.2.7 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate algorithms-edu 0.2.7 on toolchain 0599f3403366d9c57f0625e6de3af214b5042a90 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate algorithms-edu 0.2.7 [INFO] finished tweaking crates.io crate algorithms-edu 0.2.7 [INFO] tweaked toml for crates.io crate algorithms-edu 0.2.7 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate crates.io crate algorithms-edu 0.2.7 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b4a8d47223a442dc73cb1110b139005fc662c9baa40effb0d94a95688f4dda1f [INFO] running `Command { std: "docker" "start" "-a" "b4a8d47223a442dc73cb1110b139005fc662c9baa40effb0d94a95688f4dda1f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b4a8d47223a442dc73cb1110b139005fc662c9baa40effb0d94a95688f4dda1f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b4a8d47223a442dc73cb1110b139005fc662c9baa40effb0d94a95688f4dda1f", kill_on_drop: false }` [INFO] [stdout] b4a8d47223a442dc73cb1110b139005fc662c9baa40effb0d94a95688f4dda1f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 503bb3da862ef98fac0c0ba62f2505da29bd7f8f80ef40987cf4e6fc6fc708a4 [INFO] running `Command { std: "docker" "start" "-a" "503bb3da862ef98fac0c0ba62f2505da29bd7f8f80ef40987cf4e6fc6fc708a4", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.81 [INFO] [stderr] Compiling getrandom v0.1.15 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Checking hashbrown v0.9.1 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking disjoint-sets v0.4.2 [INFO] [stderr] Checking partial-min-max v0.4.0 [INFO] [stderr] Compiling indexmap v1.6.1 [INFO] [stderr] Compiling priority-queue v1.0.5 [INFO] [stderr] Checking ordered-float v2.0.1 [INFO] [stderr] Checking kodama v0.2.3 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking algorithms-edu v0.2.7 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/algo/graph/eulerian_path.rs:81:10 [INFO] [stdout] | [INFO] [stdout] 81 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/algo/graph/eulerian_path.rs:81:10 [INFO] [stdout] | [INFO] [stdout] 81 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future [INFO] [stdout] --> src/algo/math/log2.rs:30:27 [INFO] [stdout] | [INFO] [stdout] 30 | assert_eq!(0x10u8.log2(), 4); [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unstable_name_collisions)]` on by default [INFO] [stdout] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `log2::IntLog2::log2(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(int_log)]` to the crate attributes to enable `core::num::::log2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future [INFO] [stdout] --> src/algo/math/log2.rs:31:30 [INFO] [stdout] | [INFO] [stdout] 31 | assert_eq!(0x0111u16.log2(), 8); [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `log2::IntLog2::log2(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(int_log)]` to the crate attributes to enable `core::num::::log2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future [INFO] [stdout] --> src/algo/math/log2.rs:32:30 [INFO] [stdout] | [INFO] [stdout] 32 | assert_eq!(0x0101i32.log2(), 8); [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `log2::IntLog2::log2(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(int_log)]` to the crate attributes to enable `core::num::::log2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.31s [INFO] running `Command { std: "docker" "inspect" "503bb3da862ef98fac0c0ba62f2505da29bd7f8f80ef40987cf4e6fc6fc708a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "503bb3da862ef98fac0c0ba62f2505da29bd7f8f80ef40987cf4e6fc6fc708a4", kill_on_drop: false }` [INFO] [stdout] 503bb3da862ef98fac0c0ba62f2505da29bd7f8f80ef40987cf4e6fc6fc708a4