[INFO] fetching crate mn 0.2.1... [INFO] building mn-0.2.1 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1 [INFO] extracting crate mn 0.2.1 into /workspace/builds/worker-7-tc1/source [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-7-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate mn 0.2.1 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 153 packages to latest compatible versions [INFO] [stderr] Adding clap v2.34.0 (available: v4.5.48) [INFO] [stderr] Adding colored v1.9.4 (available: v3.0.0) [INFO] [stderr] Adding directories v1.0.2 (available: v6.0.0) [INFO] [stderr] Adding open v1.7.1 (available: v5.3.2) [INFO] [stderr] Adding prettyprint v0.3.0 (available: v0.8.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded onig v5.0.0 [INFO] [stderr] Downloaded line-wrap v0.1.1 [INFO] [stderr] Downloaded plist v0.4.2 [INFO] [stderr] Downloaded roff v0.1.0 [INFO] [stderr] Downloaded open v1.7.1 [INFO] [stderr] Downloaded clicolors-control v0.2.0 [INFO] [stderr] Downloaded ansi_colours v1.2.3 [INFO] [stderr] Downloaded console v0.6.2 [INFO] [stderr] Downloaded rgb v0.8.52 [INFO] [stderr] Downloaded libloading v0.8.9 [INFO] [stderr] Downloaded lazy_static v0.2.11 [INFO] [stderr] Downloaded termios v0.3.3 [INFO] [stderr] Downloaded directories v1.0.2 [INFO] [stderr] Downloaded git2 v0.7.5 [INFO] [stderr] Downloaded bindgen v0.71.1 [INFO] [stderr] Downloaded libssh2-sys v0.2.23 [INFO] [stderr] Downloaded onig_sys v69.9.1 [INFO] [stderr] Downloaded syntect v3.3.0 [INFO] [stderr] Downloaded prettyprint v0.3.0 [INFO] [stderr] Downloaded man v0.3.0 [INFO] [stderr] Downloaded libgit2-sys v0.7.11 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 11396bf4147bee515e9a531aed8225d9300c59c4a355f45ac76e7ae95b161bad [INFO] running `Command { std: "docker" "start" "-a" "11396bf4147bee515e9a531aed8225d9300c59c4a355f45ac76e7ae95b161bad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "11396bf4147bee515e9a531aed8225d9300c59c4a355f45ac76e7ae95b161bad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "11396bf4147bee515e9a531aed8225d9300c59c4a355f45ac76e7ae95b161bad", kill_on_drop: false }` [INFO] [stdout] 11396bf4147bee515e9a531aed8225d9300c59c4a355f45ac76e7ae95b161bad [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] eaaf4839104674080e5aeaab2f2bb4ac05bc5827ba698b334f6725df50387ed0 [INFO] running `Command { std: "docker" "start" "-a" "eaaf4839104674080e5aeaab2f2bb4ac05bc5827ba698b334f6725df50387ed0", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling libz-sys v1.1.22 [INFO] [stderr] Compiling clang-sys v1.8.1 [INFO] [stderr] Compiling prettyplease v0.2.37 [INFO] [stderr] Compiling minimal-lexical v0.2.1 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling libloading v0.8.9 [INFO] [stderr] Compiling either v1.15.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling bindgen v0.71.1 [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Compiling nom v7.1.3 [INFO] [stderr] Compiling itertools v0.13.0 [INFO] [stderr] Compiling encoding_index_tests v0.1.4 [INFO] [stderr] Compiling bitflags v2.9.4 [INFO] [stderr] Compiling rustc-hash v2.1.1 [INFO] [stderr] Compiling libssh2-sys v0.2.23 [INFO] [stderr] Compiling curl-sys v0.4.83+curl-8.15.0 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling strsim v0.7.0 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Compiling openssl-sys v0.9.109 [INFO] [stderr] Compiling object v0.37.3 [INFO] [stderr] Compiling cexpr v0.6.0 [INFO] [stderr] Compiling libgit2-sys v0.7.11 [INFO] [stderr] Compiling safemem v0.3.3 [INFO] [stderr] Compiling gimli v0.32.3 [INFO] [stderr] Compiling matches v0.1.10 [INFO] [stderr] Compiling quick-error v1.2.3 [INFO] [stderr] Compiling parking_lot_core v0.9.11 [INFO] [stderr] Compiling humantime v1.3.0 [INFO] [stderr] Compiling idna v0.1.5 [INFO] [stderr] Compiling line-wrap v0.1.1 [INFO] [stderr] Compiling base64 v0.10.1 [INFO] [stderr] Compiling error-chain v0.12.4 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling lazy_static v0.2.11 [INFO] [stderr] Compiling derive_builder v0.7.2 [INFO] [stderr] Compiling rustc-demangle v0.1.26 [INFO] [stderr] Compiling percent-encoding v1.0.1 [INFO] [stderr] Compiling bytemuck v1.23.2 [INFO] [stderr] Compiling rgb v0.8.52 [INFO] [stderr] Compiling url v1.7.2 [INFO] [stderr] Compiling plist v0.4.2 [INFO] [stderr] Compiling darling_core v0.9.0 [INFO] [stderr] Compiling addr2line v0.25.1 [INFO] [stderr] Compiling clicolors-control v0.2.0 [INFO] [stderr] Compiling flate2 v1.1.2 [INFO] [stderr] Compiling parking_lot v0.12.4 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Compiling bincode v1.3.3 [INFO] [stderr] Compiling encoding-index-japanese v1.20141219.5 [INFO] [stderr] Compiling encoding-index-singlebyte v1.20141219.5 [INFO] [stderr] Compiling encoding-index-tradchinese v1.20141219.5 [INFO] [stderr] Compiling encoding-index-simpchinese v1.20141219.5 [INFO] [stderr] Compiling encoding-index-korean v1.20141219.5 [INFO] [stderr] Compiling termios v0.3.3 [INFO] [stderr] Compiling lazycell v1.3.0 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling console v0.6.2 [INFO] [stderr] Compiling encoding v0.2.33 [INFO] [stderr] Compiling darling_macro v0.9.0 [INFO] [stderr] Compiling backtrace v0.3.76 [INFO] [stderr] Compiling darling v0.9.0 [INFO] [stderr] Compiling derive_builder_core v0.5.0 [INFO] [stderr] Compiling clap v2.34.0 [INFO] [stderr] Compiling ansi_colours v1.2.3 [INFO] [stderr] Compiling directories v1.0.2 [INFO] [stderr] Compiling is-terminal v0.4.16 [INFO] [stderr] Compiling content_inspector v0.2.4 [INFO] [stderr] Compiling roff v0.1.0 [INFO] [stderr] Compiling shell-words v0.1.0 [INFO] [stderr] Compiling pathdiff v0.2.3 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling open v1.7.1 [INFO] [stderr] Compiling man v0.3.0 [INFO] [stderr] Compiling colored v1.9.4 [INFO] [stderr] Compiling onig_sys v69.9.1 [INFO] [stderr] Compiling onig v5.0.0 [INFO] [stderr] Compiling syntect v3.3.0 [INFO] [stderr] Compiling git2 v0.7.5 [INFO] [stderr] Compiling prettyprint v0.3.0 [INFO] [stderr] Compiling 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] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(array_into_iter)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 17 - .into_iter() [INFO] [stdout] 17 + .iter() [INFO] [stdout] | [INFO] [stdout] help: or remove `.into_iter()` to iterate by value [INFO] [stdout] | [INFO] [stdout] 16 - ] [INFO] [stdout] 17 - .into_iter() [INFO] [stdout] 16 + ] [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `long` and `short` are never read [INFO] [stdout] --> src/cli.rs:113:9 [INFO] [stdout] | [INFO] [stdout] 111 | pub struct ArgValues { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] 112 | pub name: &'static str, [INFO] [stdout] 113 | pub long: &'static str, [INFO] [stdout] | ^^^^ [INFO] [stdout] 114 | pub short: &'static str, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `value_name` and `default_value` are never read [INFO] [stdout] --> src/cli.rs:122:9 [INFO] [stdout] | [INFO] [stdout] 117 | pub struct OptValues { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 122 | pub value_name: &'static str, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 123 | pub default_value: &'static str, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `help`, `new`, and `version` are never read [INFO] [stdout] --> src/cli.rs:134:9 [INFO] [stdout] | [INFO] [stdout] 130 | pub struct CliText { [INFO] [stdout] | ------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 134 | pub help: ArgValues, [INFO] [stdout] | ^^^^ [INFO] [stdout] 135 | pub new: ArgValues, [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 140 | pub version: ArgValues, [INFO] [stdout] | ^^^^^^^ [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: if you intended to assert that this is ok, consider `.unwrap()` instead [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 57 | let _ = open::that(&full_path).is_ok(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 51s [INFO] running `Command { std: "docker" "inspect" "eaaf4839104674080e5aeaab2f2bb4ac05bc5827ba698b334f6725df50387ed0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eaaf4839104674080e5aeaab2f2bb4ac05bc5827ba698b334f6725df50387ed0", kill_on_drop: false }` [INFO] [stdout] eaaf4839104674080e5aeaab2f2bb4ac05bc5827ba698b334f6725df50387ed0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 74955c8d01f9ffc4832dab70f79017aad62e341c6c36358102319362334a03f7 [INFO] running `Command { std: "docker" "start" "-a" "74955c8d01f9ffc4832dab70f79017aad62e341c6c36358102319362334a03f7", kill_on_drop: false }` [INFO] [stderr] Compiling 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] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(array_into_iter)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 17 - .into_iter() [INFO] [stdout] 17 + .iter() [INFO] [stdout] | [INFO] [stdout] help: or remove `.into_iter()` to iterate by value [INFO] [stdout] | [INFO] [stdout] 16 - ] [INFO] [stdout] 17 - .into_iter() [INFO] [stdout] 16 + ] [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `long` and `short` are never read [INFO] [stdout] --> src/cli.rs:113:9 [INFO] [stdout] | [INFO] [stdout] 111 | pub struct ArgValues { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] 112 | pub name: &'static str, [INFO] [stdout] 113 | pub long: &'static str, [INFO] [stdout] | ^^^^ [INFO] [stdout] 114 | pub short: &'static str, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `value_name` and `default_value` are never read [INFO] [stdout] --> src/cli.rs:122:9 [INFO] [stdout] | [INFO] [stdout] 117 | pub struct OptValues { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 122 | pub value_name: &'static str, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 123 | pub default_value: &'static str, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `help`, `new`, and `version` are never read [INFO] [stdout] --> src/cli.rs:134:9 [INFO] [stdout] | [INFO] [stdout] 130 | pub struct CliText { [INFO] [stdout] | ------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 134 | pub help: ArgValues, [INFO] [stdout] | ^^^^ [INFO] [stdout] 135 | pub new: ArgValues, [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 140 | pub version: ArgValues, [INFO] [stdout] | ^^^^^^^ [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: if you intended to assert that this is ok, consider `.unwrap()` instead [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 57 | let _ = open::that(&full_path).is_ok(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.79s [INFO] running `Command { std: "docker" "inspect" "74955c8d01f9ffc4832dab70f79017aad62e341c6c36358102319362334a03f7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "74955c8d01f9ffc4832dab70f79017aad62e341c6c36358102319362334a03f7", kill_on_drop: false }` [INFO] [stdout] 74955c8d01f9ffc4832dab70f79017aad62e341c6c36358102319362334a03f7