[INFO] fetching crate mn 0.2.1... [INFO] checking mn-0.2.1 against master#2ad4eb207b369017f5140918b5e4b0d3650b46b0 for pr-95611 [INFO] extracting crate mn 0.2.1 into /workspace/builds/worker-24/source [INFO] validating manifest of crates.io crate mn 0.2.1 on toolchain 2ad4eb207b369017f5140918b5e4b0d3650b46b0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2ad4eb207b369017f5140918b5e4b0d3650b46b0" "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-24/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2ad4eb207b369017f5140918b5e4b0d3650b46b0" "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" "+2ad4eb207b369017f5140918b5e4b0d3650b46b0" "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 pathdiff v0.2.1 [INFO] [stderr] Downloaded open v1.7.1 [INFO] [stderr] Downloaded xml-rs v0.8.4 [INFO] [stderr] Downloaded roff v0.1.0 [INFO] [stderr] Downloaded man v0.3.0 [INFO] [stderr] Downloaded syntect v3.3.0 [INFO] [stderr] Downloaded safemem v0.3.3 [INFO] [stderr] Downloaded shell-words v0.1.0 [INFO] [stderr] Downloaded plist v0.4.2 [INFO] [stderr] Downloaded onig v5.0.0 [INFO] [stderr] Downloaded git2 v0.7.5 [INFO] [stderr] Downloaded rgb v0.8.32 [INFO] [stderr] Downloaded console v0.6.2 [INFO] [stderr] Downloaded content_inspector v0.2.4 [INFO] [stderr] Downloaded libssh2-sys v0.2.23 [INFO] [stderr] Downloaded termios v0.3.3 [INFO] [stderr] Downloaded darling_macro v0.9.0 [INFO] [stderr] Downloaded darling_core v0.9.0 [INFO] [stderr] Downloaded ansi_colours v1.1.1 [INFO] [stderr] Downloaded clicolors-control v0.2.0 [INFO] [stderr] Downloaded line-wrap v0.1.1 [INFO] [stderr] Downloaded darling v0.9.0 [INFO] [stderr] Downloaded libgit2-sys v0.7.11 [INFO] [stderr] Downloaded strsim v0.7.0 [INFO] [stderr] Downloaded derive_builder_core v0.5.0 [INFO] [stderr] Downloaded derive_builder v0.7.2 [INFO] [stderr] Downloaded directories v1.0.2 [INFO] [stderr] Downloaded prettyprint v0.3.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+2ad4eb207b369017f5140918b5e4b0d3650b46b0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 02a6a0f323105c66786225ee06c7d9ce440fe710c28d72241d90bd511f5f1768 [INFO] running `Command { std: "docker" "start" "-a" "02a6a0f323105c66786225ee06c7d9ce440fe710c28d72241d90bd511f5f1768", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "02a6a0f323105c66786225ee06c7d9ce440fe710c28d72241d90bd511f5f1768", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "02a6a0f323105c66786225ee06c7d9ce440fe710c28d72241d90bd511f5f1768", kill_on_drop: false }` [INFO] [stdout] 02a6a0f323105c66786225ee06c7d9ce440fe710c28d72241d90bd511f5f1768 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+2ad4eb207b369017f5140918b5e4b0d3650b46b0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5851992e4a2f062804c5e8433bd1a80e45aba696e64032016071722454fafeaf [INFO] running `Command { std: "docker" "start" "-a" "5851992e4a2f062804c5e8433bd1a80e45aba696e64032016071722454fafeaf", 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] Compiling libc v0.2.122 [INFO] [stderr] Compiling cc v1.0.73 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling pkg-config v0.3.25 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling log v0.4.16 [INFO] [stderr] Compiling proc-macro2 v1.0.37 [INFO] [stderr] Compiling glob v0.3.0 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling cfg-if v1.0.0 [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 unicode-width v0.1.9 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling bindgen v0.56.0 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling termcolor v1.1.3 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling ansi_term v0.12.1 [INFO] [stderr] Compiling humantime v2.1.0 [INFO] [stderr] Checking encoding_index_tests v0.1.4 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling rustc-hash v1.1.0 [INFO] [stderr] Compiling lazycell v1.3.0 [INFO] [stderr] Compiling shlex v0.1.1 [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Compiling peeking_take_while v0.1.2 [INFO] [stderr] Compiling strsim v0.7.0 [INFO] [stderr] Checking tinyvec_macros v0.1.0 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling ident_case v1.0.1 [INFO] [stderr] Checking adler v1.0.2 [INFO] [stderr] Compiling crc32fast v1.3.2 [INFO] [stderr] Compiling parking_lot_core v0.9.2 [INFO] [stderr] Compiling syn v1.0.91 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling serde_derive v1.0.136 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking unicode-bidi v0.3.7 [INFO] [stderr] Checking gimli v0.26.1 [INFO] [stderr] Checking safemem v0.3.3 [INFO] [stderr] Compiling serde_json v1.0.79 [INFO] [stderr] Checking matches v0.1.9 [INFO] [stderr] Checking smallvec v1.8.0 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking xml-rs v0.8.4 [INFO] [stderr] Compiling derive_builder v0.7.2 [INFO] [stderr] Checking linked-hash-map v0.5.4 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking ryu v1.0.9 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Checking rustc-demangle v0.1.21 [INFO] [stderr] Checking lazy_static v0.2.11 [INFO] [stderr] Checking bytemuck v1.9.1 [INFO] [stderr] Checking itoa v1.0.1 [INFO] [stderr] Checking openssl-probe v0.1.5 [INFO] [stderr] Checking roff v0.1.0 [INFO] [stderr] Checking pathdiff v0.2.1 [INFO] [stderr] Checking shell-words v0.1.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Compiling libloading v0.7.3 [INFO] [stderr] Checking encoding-index-simpchinese v1.20141219.5 [INFO] [stderr] Checking encoding-index-korean v1.20141219.5 [INFO] [stderr] Checking encoding-index-japanese v1.20141219.5 [INFO] [stderr] Checking encoding-index-tradchinese v1.20141219.5 [INFO] [stderr] Checking encoding-index-singlebyte v1.20141219.5 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Checking tinyvec v1.5.1 [INFO] [stderr] Checking line-wrap v0.1.1 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking yaml-rust v0.4.5 [INFO] [stderr] Checking open v1.7.1 [INFO] [stderr] Checking base64 v0.10.1 [INFO] [stderr] Checking man v0.3.0 [INFO] [stderr] Checking rgb v0.8.32 [INFO] [stderr] Checking ansi_colours v1.1.1 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling lock_api v0.4.7 [INFO] [stderr] Compiling nom v5.1.2 [INFO] [stderr] Compiling error-chain v0.12.4 [INFO] [stderr] Compiling clang-sys v1.3.1 [INFO] [stderr] Checking encoding v0.2.33 [INFO] [stderr] Compiling openssl-sys v0.9.72 [INFO] [stderr] Compiling libz-sys v1.1.5 [INFO] [stderr] Compiling curl-sys v0.4.53+curl-7.82.0 [INFO] [stderr] Compiling libssh2-sys v0.2.23 [INFO] [stderr] Compiling backtrace v0.3.64 [INFO] [stderr] Compiling libgit2-sys v0.7.11 [INFO] [stderr] Checking unicode-normalization v0.1.19 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Checking object v0.27.1 [INFO] [stderr] Checking content_inspector v0.2.4 [INFO] [stderr] Compiling quote v1.0.17 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling which v3.1.1 [INFO] [stderr] Compiling clap v2.34.0 [INFO] [stderr] Checking clicolors-control v0.2.0 [INFO] [stderr] Checking termios v0.3.3 [INFO] [stderr] Checking flate2 v1.0.22 [INFO] [stderr] Checking directories v1.0.2 [INFO] [stderr] Checking colored v1.9.3 [INFO] [stderr] Checking parking_lot v0.12.0 [INFO] [stderr] Checking addr2line v0.17.0 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking regex v1.5.5 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking console v0.6.2 [INFO] [stderr] Compiling cexpr v0.4.0 [INFO] [stderr] Compiling env_logger v0.8.4 [INFO] [stderr] Checking plist v0.4.2 [INFO] [stderr] Checking bincode v1.3.3 [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 v69.7.1 [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 45.81s [INFO] running `Command { std: "docker" "inspect" "5851992e4a2f062804c5e8433bd1a80e45aba696e64032016071722454fafeaf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5851992e4a2f062804c5e8433bd1a80e45aba696e64032016071722454fafeaf", kill_on_drop: false }` [INFO] [stdout] 5851992e4a2f062804c5e8433bd1a80e45aba696e64032016071722454fafeaf