[INFO] fetching crate guidon 0.2.7... [INFO] checking guidon-0.2.7 against try#894d32a5432c6a6461bb2aac7c3d5f2e87dce83f for pr-77015 [INFO] extracting crate guidon 0.2.7 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate guidon 0.2.7 on toolchain 894d32a5432c6a6461bb2aac7c3d5f2e87dce83f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate guidon 0.2.7 [INFO] finished tweaking crates.io crate guidon 0.2.7 [INFO] tweaked toml for crates.io crate guidon 0.2.7 written to /workspace/builds/worker-7/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded libssh2-sys v0.2.19 [INFO] [stderr] Downloaded quick-error v2.0.0 [INFO] [stderr] Downloaded handlebars v3.5.0 [INFO] [stderr] Downloaded libgit2-sys v0.12.13+1.0.1 [INFO] [stderr] Downloaded git2 v0.13.11 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0b2ea2854905eee6207114dffbf8d4bda433c0654e4214c58b41c5e008c48ce2 [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" "0b2ea2854905eee6207114dffbf8d4bda433c0654e4214c58b41c5e008c48ce2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0b2ea2854905eee6207114dffbf8d4bda433c0654e4214c58b41c5e008c48ce2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0b2ea2854905eee6207114dffbf8d4bda433c0654e4214c58b41c5e008c48ce2", kill_on_drop: false }` [INFO] [stdout] 0b2ea2854905eee6207114dffbf8d4bda433c0654e4214c58b41c5e008c48ce2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7483b587c4ea47e62a2e8b5220ef82f6718dbfcbdcf8870895dd598d6dc7fd90 [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" "7483b587c4ea47e62a2e8b5220ef82f6718dbfcbdcf8870895dd598d6dc7fd90", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling syn v1.0.42 [INFO] [stderr] Compiling serde v1.0.116 [INFO] [stderr] Compiling strsim v0.9.3 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling ident_case v1.0.1 [INFO] [stderr] Compiling ucd-trie v0.1.3 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling maplit v1.0.2 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling serde_json v1.0.58 [INFO] [stderr] Compiling serde_derive v1.0.116 [INFO] [stderr] Checking quick-error v2.0.0 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking pretty_assertions v0.6.1 [INFO] [stderr] Compiling jobserver v0.1.21 [INFO] [stderr] Checking pest v2.1.3 [INFO] [stderr] Compiling cc v1.0.60 [INFO] [stderr] Checking aho-corasick v0.7.13 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling pest_meta v2.1.3 [INFO] [stderr] Compiling libz-sys v1.1.2 [INFO] [stderr] Compiling openssl-sys v0.9.58 [INFO] [stderr] Compiling libssh2-sys v0.2.19 [INFO] [stderr] Compiling libgit2-sys v0.12.13+1.0.1 [INFO] [stderr] Checking regex v1.3.9 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Checking toml v0.5.6 [INFO] [stderr] Checking git2 v0.13.11 [INFO] [stderr] Compiling darling_core v0.10.2 [INFO] [stderr] Compiling pest_generator v2.1.3 [INFO] [stderr] Compiling pest_derive v2.1.0 [INFO] [stderr] Compiling darling_macro v0.10.2 [INFO] [stderr] Checking handlebars v3.5.0 [INFO] [stderr] Compiling darling v0.10.2 [INFO] [stderr] Compiling derive_builder_core v0.9.0 [INFO] [stderr] Compiling derive_builder v0.9.0 [INFO] [stderr] Checking guidon v0.2.7 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `log::info` [INFO] [stdout] --> src/guidon.rs:336:9 [INFO] [stdout] | [INFO] [stdout] 336 | use log::info; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `assert_ne` [INFO] [stdout] --> src/guidon.rs:338:40 [INFO] [stdout] | [INFO] [stdout] 338 | use pretty_assertions::{assert_eq, assert_ne}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `serde_derive::Deserialize` [INFO] [stdout] --> src/guidon.rs:339:9 [INFO] [stdout] | [INFO] [stdout] 339 | use serde_derive::Deserialize; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::alloc::handle_alloc_error` [INFO] [stdout] --> src/guidon.rs:340:9 [INFO] [stdout] | [INFO] [stdout] 340 | use std::alloc::handle_alloc_error; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs::remove_dir_all` [INFO] [stdout] --> src/guidon.rs:342:9 [INFO] [stdout] | [INFO] [stdout] 342 | use std::fs::remove_dir_all; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `debug` [INFO] [stdout] --> tests/guidon_tests.rs:2:11 [INFO] [stdout] | [INFO] [stdout] 2 | use log::{debug, info, LevelFilter}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `assert_ne` [INFO] [stdout] --> tests/guidon_tests.rs:3:36 [INFO] [stdout] | [INFO] [stdout] 3 | use pretty_assertions::{assert_eq, assert_ne}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::path::PathBuf` [INFO] [stdout] --> tests/guidon_tests.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::path::PathBuf; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::str::FromStr` [INFO] [stdout] --> tests/guidon_tests.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::str::FromStr; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> tests/guidon_tests.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 21 | let mut fc = "This is test :X.\nAnd test :Y too."; [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> tests/guidon_tests.rs:42:5 [INFO] [stdout] | [INFO] [stdout] 42 | remove_dir_all(&to); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> tests/guidon_tests.rs:78:5 [INFO] [stdout] | [INFO] [stdout] 78 | remove_dir_all(&from); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> tests/guidon_tests.rs:85:5 [INFO] [stdout] | [INFO] [stdout] 85 | remove_dir_all(&to); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> tests/guidon_tests.rs:121:5 [INFO] [stdout] | [INFO] [stdout] 121 | remove_dir_all(&from); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> tests/guidon_tests.rs:129:5 [INFO] [stdout] | [INFO] [stdout] 129 | remove_dir_all(&to); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> tests/guidon_tests.rs:141:5 [INFO] [stdout] | [INFO] [stdout] 141 | remove_dir_all(&from); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> tests/guidon_tests.rs:149:5 [INFO] [stdout] | [INFO] [stdout] 149 | remove_dir_all(&to); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> tests/guidon_tests.rs:167:5 [INFO] [stdout] | [INFO] [stdout] 167 | remove_dir_all(&to); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> tests/guidon_tests.rs:184:5 [INFO] [stdout] | [INFO] [stdout] 184 | remove_dir_all(&to); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 14 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 22s [INFO] running `Command { std: "docker" "inspect" "7483b587c4ea47e62a2e8b5220ef82f6718dbfcbdcf8870895dd598d6dc7fd90", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7483b587c4ea47e62a2e8b5220ef82f6718dbfcbdcf8870895dd598d6dc7fd90", kill_on_drop: false }` [INFO] [stdout] 7483b587c4ea47e62a2e8b5220ef82f6718dbfcbdcf8870895dd598d6dc7fd90