[INFO] fetching crate mn 0.2.1... [INFO] checking mn-0.2.1 against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3 [INFO] extracting crate mn 0.2.1 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate mn 0.2.1 on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate mn 0.2.1 [INFO] finished tweaking crates.io crate mn 0.2.1 [INFO] tweaked toml for crates.io crate mn 0.2.1 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d6b3078160617202ac8a7326607ad148f84447e7227dfd3b17cb887e2f5277be [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" "d6b3078160617202ac8a7326607ad148f84447e7227dfd3b17cb887e2f5277be", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d6b3078160617202ac8a7326607ad148f84447e7227dfd3b17cb887e2f5277be", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d6b3078160617202ac8a7326607ad148f84447e7227dfd3b17cb887e2f5277be", kill_on_drop: false }` [INFO] [stdout] d6b3078160617202ac8a7326607ad148f84447e7227dfd3b17cb887e2f5277be [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7199a8101849c96a7a31195a76b424287e8b1950604a6ed736d05e9c9f096303 [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" "7199a8101849c96a7a31195a76b424287e8b1950604a6ed736d05e9c9f096303", kill_on_drop: false }` [INFO] [stderr] Compiling cc v1.0.69 [INFO] [stderr] Compiling pkg-config v0.3.19 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling proc-macro2 v1.0.28 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling bindgen v0.56.0 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Checking encoding_index_tests v0.1.4 [INFO] [stderr] Compiling strsim v0.7.0 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Checking tinyvec_macros v0.1.0 [INFO] [stderr] Compiling crc32fast v1.2.1 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking smallvec v1.6.1 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling serde_derive v1.0.128 [INFO] [stderr] Checking safemem v0.3.3 [INFO] [stderr] Checking xml-rs v0.8.4 [INFO] [stderr] Checking linked-hash-map v0.5.4 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Compiling derive_builder v0.7.2 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Checking openssl-probe v0.1.4 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking pathdiff v0.2.0 [INFO] [stderr] Checking roff v0.1.0 [INFO] [stderr] Checking instant v0.1.10 [INFO] [stderr] Checking tinyvec v1.3.1 [INFO] [stderr] Checking encoding-index-japanese v1.20141219.5 [INFO] [stderr] Checking encoding-index-singlebyte v1.20141219.5 [INFO] [stderr] Checking encoding-index-korean v1.20141219.5 [INFO] [stderr] Checking encoding-index-tradchinese v1.20141219.5 [INFO] [stderr] Checking encoding-index-simpchinese v1.20141219.5 [INFO] [stderr] Checking lock_api v0.4.4 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Checking base64 v0.10.1 [INFO] [stderr] Checking line-wrap v0.1.1 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Checking yaml-rust v0.4.5 [INFO] [stderr] Compiling libc v0.2.100 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking open v1.7.1 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling nom v5.1.2 [INFO] [stderr] Compiling error-chain v0.12.4 [INFO] [stderr] Checking man v0.3.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking parking_lot_core v0.8.3 [INFO] [stderr] Checking termios v0.3.3 [INFO] [stderr] Checking clicolors-control v0.2.0 [INFO] [stderr] Checking directories v1.0.2 [INFO] [stderr] Checking bincode v1.3.3 [INFO] [stderr] Checking plist v0.4.2 [INFO] [stderr] Checking encoding v0.2.33 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking colored v1.9.3 [INFO] [stderr] Checking serde_json v1.0.66 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling clang-sys v1.2.0 [INFO] [stderr] Compiling which v3.1.1 [INFO] [stderr] Checking object v0.26.1 [INFO] [stderr] Checking content_inspector v0.2.4 [INFO] [stderr] Checking unicode-normalization v0.1.19 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling syn v1.0.75 [INFO] [stderr] Checking flate2 v1.0.20 [INFO] [stderr] Compiling openssl-sys v0.9.66 [INFO] [stderr] Compiling libz-sys v1.1.3 [INFO] [stderr] Compiling curl-sys v0.4.45+curl-7.78.0 [INFO] [stderr] Compiling libssh2-sys v0.2.21 [INFO] [stderr] Compiling backtrace v0.3.61 [INFO] [stderr] Compiling libgit2-sys v0.7.11 [INFO] [stderr] Compiling ansi_colours v1.0.4 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking console v0.6.2 [INFO] [stderr] Compiling cexpr v0.4.0 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Compiling env_logger v0.8.4 [INFO] [stderr] Compiling darling_core v0.9.0 [INFO] [stderr] Compiling darling_macro v0.9.0 [INFO] [stderr] Compiling darling v0.9.0 [INFO] [stderr] Compiling derive_builder_core v0.5.0 [INFO] [stderr] Compiling onig_sys v69.7.0 [INFO] [stderr] Checking onig v5.0.0 [INFO] [stderr] Checking syntect v3.3.0 [INFO] [stderr] Checking git2 v0.7.5 [INFO] [stderr] Checking prettyprint v0.3.0 [INFO] [stderr] Checking mn v0.2.1 (/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/bin/generate-docs.rs:17:6 [INFO] [stdout] | [INFO] [stdout] 17 | .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] 17 | .iter() [INFO] [stdout] | ~~~~ [INFO] [stdout] help: or remove `.into_iter()` to iterate by value [INFO] [stdout] | [INFO] [stdout] 16 - ] [INFO] [stdout] 16 + ] [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [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/bin/generate-docs.rs:17:6 [INFO] [stdout] | [INFO] [stdout] 17 | .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] 17 | .iter() [INFO] [stdout] | ~~~~ [INFO] [stdout] help: or remove `.into_iter()` to iterate by value [INFO] [stdout] | [INFO] [stdout] 16 - ] [INFO] [stdout] 16 + ] [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Result::::is_ok` that must be used [INFO] [stdout] --> src/main.rs:57:13 [INFO] [stdout] | [INFO] [stdout] 57 | open::that(&full_path).is_ok(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you intended to assert that this is ok, consider `.unwrap()` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Result::::is_ok` that must be used [INFO] [stdout] --> src/main.rs:57:13 [INFO] [stdout] | [INFO] [stdout] 57 | open::that(&full_path).is_ok(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you intended to assert that this is ok, consider `.unwrap()` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3m 02s [INFO] running `Command { std: "docker" "inspect" "7199a8101849c96a7a31195a76b424287e8b1950604a6ed736d05e9c9f096303", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7199a8101849c96a7a31195a76b424287e8b1950604a6ed736d05e9c9f096303", kill_on_drop: false }` [INFO] [stdout] 7199a8101849c96a7a31195a76b424287e8b1950604a6ed736d05e9c9f096303