[INFO] fetching crate mn 0.2.1... [INFO] testing mn-0.2.1 against 1.55.0 for beta-1.56-1 [INFO] extracting crate mn 0.2.1 into /workspace/builds/worker-65/source [INFO] validating manifest of crates.io crate mn 0.2.1 on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-65/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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" "+1.55.0" "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-65/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 61005937d4aea0b3b0662a852589808345f9a3597249f7136496df97aaaae3dc [INFO] running `Command { std: "docker" "start" "-a" "61005937d4aea0b3b0662a852589808345f9a3597249f7136496df97aaaae3dc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "61005937d4aea0b3b0662a852589808345f9a3597249f7136496df97aaaae3dc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "61005937d4aea0b3b0662a852589808345f9a3597249f7136496df97aaaae3dc", kill_on_drop: false }` [INFO] [stdout] 61005937d4aea0b3b0662a852589808345f9a3597249f7136496df97aaaae3dc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ea05bdfbbd607c1cecdf78291b6d1149be58d56e3ae7e01d3a498237f9ce0718 [INFO] running `Command { std: "docker" "start" "-a" "ea05bdfbbd607c1cecdf78291b6d1149be58d56e3ae7e01d3a498237f9ce0718", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.101 [INFO] [stderr] Compiling pkg-config v0.3.19 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling glob v0.3.0 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling bindgen v0.56.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling rustc-hash v1.1.0 [INFO] [stderr] Compiling peeking_take_while v0.1.2 [INFO] [stderr] Compiling lazycell v1.3.0 [INFO] [stderr] Compiling encoding_index_tests v0.1.4 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling shlex v0.1.1 [INFO] [stderr] Compiling strsim v0.7.0 [INFO] [stderr] Compiling tinyvec_macros v0.1.0 [INFO] [stderr] Compiling ident_case v1.0.1 [INFO] [stderr] Compiling parking_lot_core v0.8.5 [INFO] [stderr] Compiling syn v1.0.76 [INFO] [stderr] Compiling crc32fast v1.2.1 [INFO] [stderr] Compiling quick-error v1.2.3 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling serde_derive v1.0.130 [INFO] [stderr] Compiling unicode-bidi v0.3.6 [INFO] [stderr] Compiling serde_json v1.0.67 [INFO] [stderr] Compiling smallvec v1.6.1 [INFO] [stderr] Compiling matches v0.1.9 [INFO] [stderr] Compiling itoa v0.4.8 [INFO] [stderr] Compiling xml-rs v0.8.4 [INFO] [stderr] Compiling linked-hash-map v0.5.4 [INFO] [stderr] Compiling derive_builder v0.7.2 [INFO] [stderr] Compiling openssl-probe v0.1.4 [INFO] [stderr] Compiling shell-words v0.1.0 [INFO] [stderr] Compiling roff v0.1.0 [INFO] [stderr] Compiling libloading v0.7.0 [INFO] [stderr] Compiling instant v0.1.10 [INFO] [stderr] Compiling ansi_colours v1.0.4 [INFO] [stderr] Compiling line-wrap v0.1.1 [INFO] [stderr] Compiling base64 v0.10.1 [INFO] [stderr] Compiling open v1.7.1 [INFO] [stderr] Compiling tinyvec v1.3.1 [INFO] [stderr] Compiling encoding-index-tradchinese v1.20141219.5 [INFO] [stderr] Compiling encoding-index-singlebyte v1.20141219.5 [INFO] [stderr] Compiling encoding-index-simpchinese v1.20141219.5 [INFO] [stderr] Compiling encoding-index-japanese v1.20141219.5 [INFO] [stderr] Compiling encoding-index-korean v1.20141219.5 [INFO] [stderr] Compiling humantime v1.3.0 [INFO] [stderr] Compiling lock_api v0.4.5 [INFO] [stderr] Compiling yaml-rust v0.4.5 [INFO] [stderr] Compiling man v0.3.0 [INFO] [stderr] Compiling encoding v0.2.33 [INFO] [stderr] Compiling nom v5.1.2 [INFO] [stderr] Compiling error-chain v0.12.4 [INFO] [stderr] Compiling openssl-sys v0.9.66 [INFO] [stderr] Compiling libz-sys v1.1.3 [INFO] [stderr] Compiling libssh2-sys v0.2.21 [INFO] [stderr] Compiling curl-sys v0.4.45+curl-7.78.0 [INFO] [stderr] Compiling libgit2-sys v0.7.11 [INFO] [stderr] Compiling clang-sys v1.2.2 [INFO] [stderr] Compiling unicode-normalization v0.1.19 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Compiling object v0.26.2 [INFO] [stderr] Compiling content_inspector v0.2.4 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling which v3.1.1 [INFO] [stderr] Compiling flate2 v1.0.21 [INFO] [stderr] Compiling clicolors-control v0.2.0 [INFO] [stderr] Compiling termios v0.3.3 [INFO] [stderr] Compiling directories v1.0.2 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling colored v1.9.3 [INFO] [stderr] Compiling parking_lot v0.11.2 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stderr] Compiling idna v0.1.5 [INFO] [stderr] Compiling url v1.7.2 [INFO] [stderr] Compiling env_logger v0.8.4 [INFO] [stderr] Compiling console v0.6.2 [INFO] [stderr] Compiling cexpr v0.4.0 [INFO] [stderr] Compiling bincode v1.3.3 [INFO] [stderr] Compiling plist v0.4.2 [INFO] [stderr] Compiling darling_core v0.9.0 [INFO] [stderr] Compiling backtrace v0.3.61 [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] 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] = note: `#[warn(array_into_iter)]` on by default [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see issue #66145 [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] | -- [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 56.50s [INFO] running `Command { std: "docker" "inspect" "ea05bdfbbd607c1cecdf78291b6d1149be58d56e3ae7e01d3a498237f9ce0718", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ea05bdfbbd607c1cecdf78291b6d1149be58d56e3ae7e01d3a498237f9ce0718", kill_on_drop: false }` [INFO] [stdout] ea05bdfbbd607c1cecdf78291b6d1149be58d56e3ae7e01d3a498237f9ce0718 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d3e6b8fab7b61b4a926ff749c8a4a46c7dff5571e912ad0a22459c3aecc26ee5 [INFO] running `Command { std: "docker" "start" "-a" "d3e6b8fab7b61b4a926ff749c8a4a46c7dff5571e912ad0a22459c3aecc26ee5", 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] = note: `#[warn(array_into_iter)]` on by default [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see issue #66145 [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] | -- [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 test [unoptimized + debuginfo] target(s) in 1.13s [INFO] running `Command { std: "docker" "inspect" "d3e6b8fab7b61b4a926ff749c8a4a46c7dff5571e912ad0a22459c3aecc26ee5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d3e6b8fab7b61b4a926ff749c8a4a46c7dff5571e912ad0a22459c3aecc26ee5", kill_on_drop: false }` [INFO] [stdout] d3e6b8fab7b61b4a926ff749c8a4a46c7dff5571e912ad0a22459c3aecc26ee5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] d0e26f8eeef65a65ef986f4825575cbe0663855139e28de2fe0631048cec7e3d [INFO] running `Command { std: "docker" "start" "-a" "d0e26f8eeef65a65ef986f4825575cbe0663855139e28de2fe0631048cec7e3d", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unused return value of `Result::::is_ok` that must be used [INFO] [stderr] --> src/main.rs:57:13 [INFO] [stderr] | [INFO] [stderr] 57 | open::that(&full_path).is_ok(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: if you intended to assert that this is ok, consider `.unwrap()` instead [INFO] [stderr] [INFO] [stderr] 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] [stderr] --> src/bin/generate-docs.rs:17:6 [INFO] [stderr] | [INFO] [stderr] 17 | .into_iter() [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(array_into_iter)]` on by default [INFO] [stderr] = warning: this changes meaning in Rust 2021 [INFO] [stderr] = note: for more information, see issue #66145 [INFO] [stderr] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stderr] | [INFO] [stderr] 17 | .iter() [INFO] [stderr] | ^^^^ [INFO] [stderr] help: or remove `.into_iter()` to iterate by value [INFO] [stderr] | [INFO] [stderr] 16 | ] [INFO] [stderr] | -- [INFO] [stderr] [INFO] [stderr] warning: `mn` (bin "mn" test) generated 1 warning [INFO] [stderr] warning: `mn` (bin "generate-docs" test) generated 1 warning [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.97s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/generate_docs-ae2a931ea0e6db37) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/mn-4107ddb7e0c6a5a5) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "d0e26f8eeef65a65ef986f4825575cbe0663855139e28de2fe0631048cec7e3d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d0e26f8eeef65a65ef986f4825575cbe0663855139e28de2fe0631048cec7e3d", kill_on_drop: false }` [INFO] [stdout] d0e26f8eeef65a65ef986f4825575cbe0663855139e28de2fe0631048cec7e3d