[INFO] fetching crate mn 0.2.1... [INFO] checking mn-0.2.1 against master#f21fbac535ab2c3bc50db20547f4d48477357103 for pr-143193 [INFO] extracting crate mn 0.2.1 into /workspace/builds/worker-6-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-6-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate mn 0.2.1 on toolchain f21fbac535ab2c3bc50db20547f4d48477357103 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f21fbac535ab2c3bc50db20547f4d48477357103" "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" "+f21fbac535ab2c3bc50db20547f4d48477357103" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 158 packages to latest compatible versions [INFO] [stderr] Adding clap v2.34.0 (available: v4.5.41) [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" "+f21fbac535ab2c3bc50db20547f4d48477357103" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded plist v0.4.2 [INFO] [stderr] Downloaded syntect v3.3.0 [INFO] [stderr] Downloaded shell-words v0.1.0 [INFO] [stderr] Downloaded onig v5.0.0 [INFO] [stderr] Downloaded prettyprint v0.3.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+f21fbac535ab2c3bc50db20547f4d48477357103" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d6d87e03f71bf14ba331f64dd66a6cb00e07575caa7fc86c50434d169ef3052f [INFO] running `Command { std: "docker" "start" "-a" "d6d87e03f71bf14ba331f64dd66a6cb00e07575caa7fc86c50434d169ef3052f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d6d87e03f71bf14ba331f64dd66a6cb00e07575caa7fc86c50434d169ef3052f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d6d87e03f71bf14ba331f64dd66a6cb00e07575caa7fc86c50434d169ef3052f", kill_on_drop: false }` [INFO] [stdout] d6d87e03f71bf14ba331f64dd66a6cb00e07575caa7fc86c50434d169ef3052f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+f21fbac535ab2c3bc50db20547f4d48477357103" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 276c414ccb859317bf0e231156f5df1b8163a674698ad8b1262f9d9419a662e9 [INFO] running `Command { std: "docker" "start" "-a" "276c414ccb859317bf0e231156f5df1b8163a674698ad8b1262f9d9419a662e9", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.174 [INFO] [stderr] Compiling shlex v1.3.0 [INFO] [stderr] Compiling pkg-config v0.3.32 [INFO] [stderr] Compiling vcpkg v0.2.15 [INFO] [stderr] Compiling proc-macro2 v1.0.95 [INFO] [stderr] Compiling memchr v2.7.5 [INFO] [stderr] Compiling unicode-ident v1.0.18 [INFO] [stderr] Compiling glob v0.3.2 [INFO] [stderr] Compiling prettyplease v0.2.35 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling cfg-if v1.0.1 [INFO] [stderr] Compiling regex-syntax v0.8.5 [INFO] [stderr] Compiling minimal-lexical v0.2.1 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling libloading v0.8.8 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling bindgen v0.71.1 [INFO] [stderr] Compiling either v1.15.0 [INFO] [stderr] Compiling cc v1.2.30 [INFO] [stderr] Checking encoding_index_tests v0.1.4 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Compiling itertools v0.13.0 [INFO] [stderr] Compiling rustc-hash v2.1.1 [INFO] [stderr] Compiling log v0.4.27 [INFO] [stderr] Compiling bitflags v2.9.1 [INFO] [stderr] Compiling strsim v0.7.0 [INFO] [stderr] Compiling clang-sys v1.8.1 [INFO] [stderr] Checking tinyvec_macros v0.1.1 [INFO] [stderr] Checking adler2 v2.0.1 [INFO] [stderr] Compiling autocfg v1.5.0 [INFO] [stderr] Compiling ident_case v1.0.1 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Checking miniz_oxide v0.8.9 [INFO] [stderr] Checking tinyvec v1.9.0 [INFO] [stderr] Compiling crc32fast v1.5.0 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Compiling aho-corasick v1.1.3 [INFO] [stderr] Compiling nom v7.1.3 [INFO] [stderr] Compiling syn v2.0.104 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Compiling parking_lot_core v0.9.11 [INFO] [stderr] Compiling lock_api v0.4.13 [INFO] [stderr] Checking lazy_static v1.5.0 [INFO] [stderr] Compiling object v0.36.7 [INFO] [stderr] Checking safemem v0.3.3 [INFO] [stderr] Checking unicode-width v0.1.14 [INFO] [stderr] Checking gimli v0.31.1 [INFO] [stderr] Compiling serde_json v1.0.141 [INFO] [stderr] Checking matches v0.1.10 [INFO] [stderr] Compiling version_check v0.9.5 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking unicode-bidi v0.3.18 [INFO] [stderr] Checking smallvec v1.15.1 [INFO] [stderr] Checking unicode-normalization v0.1.24 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Compiling error-chain v0.12.4 [INFO] [stderr] Compiling libz-sys v1.1.22 [INFO] [stderr] Compiling openssl-sys v0.9.109 [INFO] [stderr] Compiling libssh2-sys v0.2.23 [INFO] [stderr] Compiling curl-sys v0.4.82+curl-8.14.1 [INFO] [stderr] Compiling libgit2-sys v0.7.11 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking base64 v0.10.1 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Checking line-wrap v0.1.1 [INFO] [stderr] Checking itoa v1.0.15 [INFO] [stderr] Compiling regex-automata v0.4.9 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking linked-hash-map v0.5.6 [INFO] [stderr] Checking xml-rs v0.8.27 [INFO] [stderr] Checking lazy_static v0.2.11 [INFO] [stderr] Checking bytemuck v1.23.1 [INFO] [stderr] Compiling cexpr v0.6.0 [INFO] [stderr] Compiling derive_builder v0.7.2 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Checking ryu v1.0.20 [INFO] [stderr] Checking rustc-demangle v0.1.25 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking rgb v0.8.52 [INFO] [stderr] Checking yaml-rust v0.4.5 [INFO] [stderr] Checking clicolors-control v0.2.0 [INFO] [stderr] Checking walkdir v2.5.0 [INFO] [stderr] Checking addr2line v0.24.2 [INFO] [stderr] Checking bincode v1.3.3 [INFO] [stderr] Checking plist v0.4.2 [INFO] [stderr] Checking flate2 v1.1.2 [INFO] [stderr] Checking parking_lot v0.12.4 [INFO] [stderr] Checking termios v0.3.3 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking encoding-index-singlebyte v1.20141219.5 [INFO] [stderr] Checking encoding-index-tradchinese v1.20141219.5 [INFO] [stderr] Checking encoding-index-korean v1.20141219.5 [INFO] [stderr] Checking encoding-index-simpchinese v1.20141219.5 [INFO] [stderr] Checking encoding-index-japanese v1.20141219.5 [INFO] [stderr] Compiling darling_core v0.9.0 [INFO] [stderr] Checking regex-syntax v0.6.29 [INFO] [stderr] Checking lazycell v1.3.0 [INFO] [stderr] Checking openssl-probe v0.1.6 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking ansi_colours v1.2.3 [INFO] [stderr] Checking directories v1.0.2 [INFO] [stderr] Checking is-terminal v0.4.16 [INFO] [stderr] Checking content_inspector v0.2.4 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking roff v0.1.0 [INFO] [stderr] Checking encoding v0.2.33 [INFO] [stderr] Checking shell-words v0.1.0 [INFO] [stderr] Checking pathdiff v0.2.3 [INFO] [stderr] Checking open v1.7.1 [INFO] [stderr] Checking colored v1.9.4 [INFO] [stderr] Checking man v0.3.0 [INFO] [stderr] Compiling regex v1.11.1 [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Checking backtrace v0.3.75 [INFO] [stderr] Checking console v0.6.2 [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 v69.9.1 [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] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(array_into_iter)]` 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: 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)]` 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)]` 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: 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)]` 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)]` 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] [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)]` 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 11s [INFO] running `Command { std: "docker" "inspect" "276c414ccb859317bf0e231156f5df1b8163a674698ad8b1262f9d9419a662e9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "276c414ccb859317bf0e231156f5df1b8163a674698ad8b1262f9d9419a662e9", kill_on_drop: false }` [INFO] [stdout] 276c414ccb859317bf0e231156f5df1b8163a674698ad8b1262f9d9419a662e9