[INFO] fetching crate guidon 0.2.8... [INFO] checking guidon-0.2.8 against master#7f5a42b073dc2bee2aa625052eb066ee07072048 for pr-78991 [INFO] extracting crate guidon 0.2.8 into /workspace/builds/worker-10/source [INFO] validating manifest of crates.io crate guidon 0.2.8 on toolchain 7f5a42b073dc2bee2aa625052eb066ee07072048 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate guidon 0.2.8 [INFO] finished tweaking crates.io crate guidon 0.2.8 [INFO] tweaked toml for crates.io crate guidon 0.2.8 written to /workspace/builds/worker-10/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d9a06fda1c5f5529eca4723f7f89fcedca3349ca9e07f302cdd04de8fca40082 [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" "d9a06fda1c5f5529eca4723f7f89fcedca3349ca9e07f302cdd04de8fca40082", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d9a06fda1c5f5529eca4723f7f89fcedca3349ca9e07f302cdd04de8fca40082", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d9a06fda1c5f5529eca4723f7f89fcedca3349ca9e07f302cdd04de8fca40082", kill_on_drop: false }` [INFO] [stdout] d9a06fda1c5f5529eca4723f7f89fcedca3349ca9e07f302cdd04de8fca40082 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1e9d39a18765ca00a66ccdc78a384a510d115610f1ad95a78f075eaa782323f2 [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" "1e9d39a18765ca00a66ccdc78a384a510d115610f1ad95a78f075eaa782323f2", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.80 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling strsim v0.9.3 [INFO] [stderr] Compiling serde v1.0.117 [INFO] [stderr] Compiling ident_case v1.0.1 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling ucd-trie v0.1.3 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling maplit v1.0.2 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking percent-encoding v2.1.0 [INFO] [stderr] Compiling derive_builder v0.9.0 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking openssl-probe v0.1.2 [INFO] [stderr] Checking termcolor v1.1.0 [INFO] [stderr] Checking difference v2.0.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Checking form_urlencoded v1.0.0 [INFO] [stderr] Checking idna v0.2.0 [INFO] [stderr] Checking pest v2.1.3 [INFO] [stderr] Checking pretty_assertions v0.6.1 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking aho-corasick v0.7.15 [INFO] [stderr] Checking url v2.2.0 [INFO] [stderr] Compiling syn v1.0.48 [INFO] [stderr] Compiling jobserver v0.1.21 [INFO] [stderr] Compiling pest_meta v2.1.3 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking regex v1.4.2 [INFO] [stderr] Compiling cc v1.0.62 [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 v0.12.14+1.1.0 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Checking serde_json v1.0.59 [INFO] [stderr] Checking toml v0.5.7 [INFO] [stderr] Compiling darling_core v0.10.2 [INFO] [stderr] Compiling pest_generator v2.1.3 [INFO] [stderr] Checking git2 v0.13.12 [INFO] [stderr] Compiling pest_derive v2.1.0 [INFO] [stderr] Compiling serde_derive v1.0.117 [INFO] [stderr] Compiling darling_macro v0.10.2 [INFO] [stderr] Checking handlebars v3.5.1 [INFO] [stderr] Compiling darling v0.10.2 [INFO] [stderr] Compiling derive_builder_core v0.9.0 [INFO] [stderr] Checking guidon v0.2.8 (/opt/rustwide/workdir) [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 26s [INFO] running `Command { std: "docker" "inspect" "1e9d39a18765ca00a66ccdc78a384a510d115610f1ad95a78f075eaa782323f2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1e9d39a18765ca00a66ccdc78a384a510d115610f1ad95a78f075eaa782323f2", kill_on_drop: false }` [INFO] [stdout] 1e9d39a18765ca00a66ccdc78a384a510d115610f1ad95a78f075eaa782323f2