[INFO] cloning repository https://github.com/chess-seventh/RSS2Mutt [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chess-seventh/RSS2Mutt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchess-seventh%2FRSS2Mutt", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchess-seventh%2FRSS2Mutt'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d5da7de90575f1c4db769b7968cd0fd34ea7070c [INFO] checking chess-seventh/RSS2Mutt against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchess-seventh%2FRSS2Mutt" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/chess-seventh/RSS2Mutt on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/chess-seventh/RSS2Mutt [INFO] finished tweaking git repo https://github.com/chess-seventh/RSS2Mutt [INFO] tweaked toml for git repo https://github.com/chess-seventh/RSS2Mutt written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/chess-seventh/RSS2Mutt already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded string_cache_codegen v0.3.1 [INFO] [stderr] Downloaded html5ever-atoms v0.2.2 [INFO] [stderr] Downloaded reqwest v0.9.3 [INFO] [stderr] Downloaded string_cache v0.4.0 [INFO] [stderr] Downloaded libflate v0.1.18 [INFO] [stderr] Downloaded tempfile v3.0.4 [INFO] [stderr] Downloaded h2 v0.1.13 [INFO] [stderr] Downloaded hyper v0.12.12 [INFO] [stderr] Downloaded openssl-sys v0.9.39 [INFO] [stderr] Downloaded html2runes v1.0.0 [INFO] [stderr] Downloaded native-tls v0.2.1 [INFO] [stderr] Downloaded openssl v0.10.14 [INFO] [stderr] Downloaded rss v1.6.0 [INFO] [stderr] Downloaded html5ever v0.13.1 [INFO] [stderr] Downloaded encoding_rs v0.8.10 [INFO] [stderr] Downloaded darling_core v0.6.3 [INFO] [stderr] Downloaded darling v0.6.3 [INFO] [stderr] Downloaded derive_builder v0.6.0 [INFO] [stderr] Downloaded darling_macro v0.6.3 [INFO] [stderr] Downloaded derive_builder_core v0.3.0 [INFO] [stderr] Downloaded quick-xml v0.13.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 03bb6df1a72fb4b091c22d4a9b5a38436632bc94344ae8e75974a2a0a82cae01 [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" "03bb6df1a72fb4b091c22d4a9b5a38436632bc94344ae8e75974a2a0a82cae01", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "03bb6df1a72fb4b091c22d4a9b5a38436632bc94344ae8e75974a2a0a82cae01", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "03bb6df1a72fb4b091c22d4a9b5a38436632bc94344ae8e75974a2a0a82cae01", kill_on_drop: false }` [INFO] [stdout] 03bb6df1a72fb4b091c22d4a9b5a38436632bc94344ae8e75974a2a0a82cae01 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3bcd11c835d4da5cebf7231cfc9de5bb5dd7ac1e457bcfe450e8ede7dc13c303 [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" "3bcd11c835d4da5cebf7231cfc9de5bb5dd7ac1e457bcfe450e8ede7dc13c303", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.43 [INFO] [stderr] Compiling rand_core v0.3.0 [INFO] [stderr] Compiling cc v1.0.25 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Checking crossbeam-utils v0.5.0 [INFO] [stderr] Checking stable_deref_trait v1.1.1 [INFO] [stderr] Checking lazycell v1.2.0 [INFO] [stderr] Compiling pkg-config v0.3.14 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Compiling string_cache_shared v0.3.0 [INFO] [stderr] Checking encoding_index_tests v0.1.4 [INFO] [stderr] Compiling serde v1.0.80 [INFO] [stderr] Compiling fnv v1.0.6 [INFO] [stderr] Compiling openssl v0.10.14 [INFO] [stderr] Compiling failure_derive v0.1.2 [INFO] [stderr] Checking indexmap v1.0.1 [INFO] [stderr] Checking lazy_static v0.2.11 [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Checking rustc-demangle v0.1.9 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Checking mac v0.1.1 [INFO] [stderr] Checking dtoa v0.4.3 [INFO] [stderr] Checking adler32 v1.0.3 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Checking unicode-segmentation v1.2.1 [INFO] [stderr] Checking bitflags v0.7.0 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking ansi_term v0.9.0 [INFO] [stderr] Compiling unicase v2.2.0 [INFO] [stderr] Checking log v0.4.5 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling proc-macro2 v0.3.8 [INFO] [stderr] Checking utf-8 v0.6.0 [INFO] [stderr] Checking owning_ref v0.3.3 [INFO] [stderr] Checking encoding-index-korean v1.20141219.5 [INFO] [stderr] Checking encoding-index-japanese v1.20141219.5 [INFO] [stderr] Checking encoding-index-singlebyte v1.20141219.5 [INFO] [stderr] Checking encoding-index-simpchinese v1.20141219.5 [INFO] [stderr] Checking encoding-index-tradchinese v1.20141219.5 [INFO] [stderr] Compiling rand_core v0.2.2 [INFO] [stderr] Checking tokio-current-thread v0.1.3 [INFO] [stderr] Checking tokio-timer v0.2.7 [INFO] [stderr] Checking debug_unreachable v0.1.1 [INFO] [stderr] Compiling proc-macro2 v0.4.20 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Checking encoding_rs v0.8.10 [INFO] [stderr] Checking smallvec v0.6.5 [INFO] [stderr] Checking new_debug_unreachable v1.0.1 [INFO] [stderr] Checking want v0.0.6 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking rand v0.5.5 [INFO] [stderr] Checking num_cpus v1.8.0 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking time v0.1.40 [INFO] [stderr] Checking term_size v0.2.3 [INFO] [stderr] Checking memchr v2.1.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking lock_api v0.1.4 [INFO] [stderr] Compiling phf_shared v0.7.23 [INFO] [stderr] Checking crossbeam-epoch v0.5.2 [INFO] [stderr] Checking futf v0.1.4 [INFO] [stderr] Compiling quote v0.5.2 [INFO] [stderr] Checking bytes v0.4.10 [INFO] [stderr] Checking futures-cpupool v0.1.8 [INFO] [stderr] Checking clap v2.20.5 [INFO] [stderr] Checking libflate v0.1.18 [INFO] [stderr] Compiling quote v0.6.8 [INFO] [stderr] Checking encoding v0.2.33 [INFO] [stderr] Checking mio v0.6.16 [INFO] [stderr] Checking phf v0.7.23 [INFO] [stderr] Checking url v1.7.1 [INFO] [stderr] Compiling parking_lot_core v0.3.1 [INFO] [stderr] Compiling syn v0.13.11 [INFO] [stderr] Checking crossbeam-deque v0.6.1 [INFO] [stderr] Compiling syn v0.14.9 [INFO] [stderr] Checking tokio-io v0.1.9 [INFO] [stderr] Checking http v0.1.13 [INFO] [stderr] Checking mime v0.3.12 [INFO] [stderr] Checking uuid v0.7.1 [INFO] [stderr] Checking tendril v0.2.4 [INFO] [stderr] Compiling phf_generator v0.7.23 [INFO] [stderr] Compiling openssl-sys v0.9.39 [INFO] [stderr] Compiling backtrace-sys v0.1.24 [INFO] [stderr] Checking tokio-threadpool v0.1.7 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Compiling phf_codegen v0.7.23 [INFO] [stderr] Compiling string_cache_codegen v0.3.1 [INFO] [stderr] Checking tokio-codec v0.1.1 [INFO] [stderr] Checking chrono v0.4.6 [INFO] [stderr] Checking parking_lot v0.6.4 [INFO] [stderr] Compiling mime_guess v2.0.0-alpha.6 [INFO] [stderr] Checking tokio-fs v0.1.3 [INFO] [stderr] Checking tokio-reactor v0.1.6 [INFO] [stderr] Compiling string_cache v0.4.0 [INFO] [stderr] Compiling html5ever-atoms v0.2.2 [INFO] [stderr] Compiling native-tls v0.2.1 [INFO] [stderr] Checking tokio-uds v0.2.2 [INFO] [stderr] Checking tokio-udp v0.1.2 [INFO] [stderr] Checking tokio-tcp v0.1.2 [INFO] [stderr] Checking backtrace v0.3.9 [INFO] [stderr] Checking tokio v0.1.11 [INFO] [stderr] Checking h2 v0.1.13 [INFO] [stderr] Compiling html5ever v0.13.1 [INFO] [stderr] Checking serde_urlencoded v0.5.3 [INFO] [stderr] Checking serde_json v1.0.32 [INFO] [stderr] Compiling synstructure v0.9.0 [INFO] [stderr] Compiling darling_core v0.6.3 [INFO] [stderr] Checking hyper v0.12.12 [INFO] [stderr] Checking failure v0.1.2 [INFO] [stderr] Checking quick-xml v0.13.0 [INFO] [stderr] Checking hyper-tls v0.3.1 [INFO] [stderr] Checking reqwest v0.9.3 [INFO] [stderr] Compiling darling_macro v0.6.3 [INFO] [stderr] Checking html2runes v1.0.0 [INFO] [stderr] Compiling darling v0.6.3 [INFO] [stderr] Compiling derive_builder_core v0.3.0 [INFO] [stderr] Compiling derive_builder v0.6.0 [INFO] [stderr] Checking rss v1.6.0 [INFO] [stderr] Checking rss_parser v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/main.rs:151:32 [INFO] [stdout] | [INFO] [stdout] 151 | ... why.description()), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/main.rs:151:32 [INFO] [stdout] | [INFO] [stdout] 151 | ... why.description()), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:170:13 [INFO] [stdout] | [INFO] [stdout] 170 | let mut curr_line = line.unwrap(); [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: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:170:13 [INFO] [stdout] | [INFO] [stdout] 170 | let mut curr_line = line.unwrap(); [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: panic message contains unused formatting placeholders [INFO] [stdout] --> src/main.rs:157:39 [INFO] [stdout] | [INFO] [stdout] 157 | panic!("couldn't write to {}: {}"); [INFO] [stdout] | ^^ ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panic)]` on by default [INFO] [stdout] = note: this message is not used as a format string when given without arguments, but will be in Rust 2021 [INFO] [stdout] help: add the missing arguments [INFO] [stdout] | [INFO] [stdout] 157 | panic!("couldn't write to {}: {}", ...); [INFO] [stdout] | ^^^^^ [INFO] [stdout] help: or add a "{}" format string to use the message literally [INFO] [stdout] | [INFO] [stdout] 157 | panic!("{}", "couldn't write to {}: {}"); [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message contains unused formatting placeholders [INFO] [stdout] --> src/main.rs:157:39 [INFO] [stdout] | [INFO] [stdout] 157 | panic!("couldn't write to {}: {}"); [INFO] [stdout] | ^^ ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panic)]` on by default [INFO] [stdout] = note: this message is not used as a format string when given without arguments, but will be in Rust 2021 [INFO] [stdout] help: add the missing arguments [INFO] [stdout] | [INFO] [stdout] 157 | panic!("couldn't write to {}: {}", ...); [INFO] [stdout] | ^^^^^ [INFO] [stdout] help: or add a "{}" format string to use the message literally [INFO] [stdout] | [INFO] [stdout] 157 | panic!("{}", "couldn't write to {}: {}"); [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:126:5 [INFO] [stdout] | [INFO] [stdout] 126 | writeln!(file, "{}", hash.unwrap().to_owned().to_string()); [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] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:126:5 [INFO] [stdout] | [INFO] [stdout] 126 | writeln!(file, "{}", hash.unwrap().to_owned().to_string()); [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] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 39s [INFO] running `Command { std: "docker" "inspect" "3bcd11c835d4da5cebf7231cfc9de5bb5dd7ac1e457bcfe450e8ede7dc13c303", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3bcd11c835d4da5cebf7231cfc9de5bb5dd7ac1e457bcfe450e8ede7dc13c303", kill_on_drop: false }` [INFO] [stdout] 3bcd11c835d4da5cebf7231cfc9de5bb5dd7ac1e457bcfe450e8ede7dc13c303