[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 master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchess-seventh%2FRSS2Mutt" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/chess-seventh/RSS2Mutt on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", 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-4/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" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 17f89caa0a3c0968895e4277b5288d8e0ecf56993c1eed9ff6441f649841e558 [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" "17f89caa0a3c0968895e4277b5288d8e0ecf56993c1eed9ff6441f649841e558", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "17f89caa0a3c0968895e4277b5288d8e0ecf56993c1eed9ff6441f649841e558", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "17f89caa0a3c0968895e4277b5288d8e0ecf56993c1eed9ff6441f649841e558", kill_on_drop: false }` [INFO] [stdout] 17f89caa0a3c0968895e4277b5288d8e0ecf56993c1eed9ff6441f649841e558 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6923555ea44e6212a4f302889a79700f7380bad850393cc554dfa0ebc72a92ab [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" "6923555ea44e6212a4f302889a79700f7380bad850393cc554dfa0ebc72a92ab", kill_on_drop: false }` [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Checking libc v0.2.43 [INFO] [stderr] Checking cfg-if v0.1.5 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Compiling rand_core v0.3.0 [INFO] [stderr] Checking futures v0.1.25 [INFO] [stderr] Compiling cc v1.0.25 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking slab v0.4.1 [INFO] [stderr] Checking stable_deref_trait v1.1.1 [INFO] [stderr] Checking lazycell v1.2.0 [INFO] [stderr] Checking nodrop v0.1.12 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Compiling pkg-config v0.3.14 [INFO] [stderr] Compiling string_cache_shared v0.3.0 [INFO] [stderr] Checking encoding_index_tests v0.1.4 [INFO] [stderr] Checking itoa v0.4.3 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Compiling ident_case v1.0.0 [INFO] [stderr] Checking foreign-types-shared v0.1.1 [INFO] [stderr] Compiling openssl v0.10.14 [INFO] [stderr] Compiling httparse v1.3.3 [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Compiling serde v1.0.80 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Checking unicode-normalization v0.1.7 [INFO] [stderr] Compiling native-tls v0.2.1 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Compiling encoding_rs v0.8.10 [INFO] [stderr] Checking rustc-demangle v0.1.9 [INFO] [stderr] Checking serde v0.9.15 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Checking lazy_static v0.2.11 [INFO] [stderr] Checking mac v0.1.1 [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Compiling rustc-serialize v0.3.24 [INFO] [stderr] Checking dtoa v0.4.3 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Compiling derive_builder v0.6.0 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking strsim v0.6.0 [INFO] [stderr] Checking log v0.4.5 [INFO] [stderr] Compiling proc-macro2 v0.3.8 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking unreachable v0.1.1 [INFO] [stderr] Checking arrayvec v0.4.7 [INFO] [stderr] Checking owning_ref v0.3.3 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Checking utf-8 v0.6.0 [INFO] [stderr] Checking encoding-index-simpchinese v1.20141219.5 [INFO] [stderr] Checking encoding-index-korean v1.20141219.5 [INFO] [stderr] Checking encoding-index-tradchinese v1.20141219.5 [INFO] [stderr] Checking encoding-index-japanese v1.20141219.5 [INFO] [stderr] Checking encoding-index-singlebyte v1.20141219.5 [INFO] [stderr] Checking rand_core v0.2.2 [INFO] [stderr] Checking foreign-types v0.3.2 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Compiling lazy_static v1.1.0 [INFO] [stderr] Compiling unicase v2.2.0 [INFO] [stderr] Compiling memchr v2.1.0 [INFO] [stderr] Checking iovec v0.1.2 [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 base64 v0.9.3 [INFO] [stderr] Checking smallvec v0.6.5 [INFO] [stderr] Checking new_debug_unreachable v1.0.1 [INFO] [stderr] Compiling proc-macro2 v0.4.20 [INFO] [stderr] Checking debug_unreachable v0.1.1 [INFO] [stderr] Checking lock_api v0.1.4 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Compiling rand v0.5.5 [INFO] [stderr] Compiling quote v0.5.2 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking bytes v0.4.10 [INFO] [stderr] Checking clap v2.20.5 [INFO] [stderr] Checking tokio-executor v0.1.5 [INFO] [stderr] Checking futures-cpupool v0.1.8 [INFO] [stderr] Checking want v0.0.6 [INFO] [stderr] Checking encoding v0.2.33 [INFO] [stderr] Checking futf v0.1.4 [INFO] [stderr] Checking mio v0.6.16 [INFO] [stderr] Compiling syn v0.13.11 [INFO] [stderr] Checking tokio-io v0.1.9 [INFO] [stderr] Checking http v0.1.13 [INFO] [stderr] Checking libflate v0.1.18 [INFO] [stderr] Checking tokio-current-thread v0.1.3 [INFO] [stderr] Checking tokio-timer v0.2.7 [INFO] [stderr] Compiling parking_lot_core v0.3.1 [INFO] [stderr] Checking uuid v0.7.1 [INFO] [stderr] Compiling quote v0.6.8 [INFO] [stderr] Checking url v1.7.1 [INFO] [stderr] Compiling openssl-sys v0.9.39 [INFO] [stderr] Compiling backtrace-sys v0.1.24 [INFO] [stderr] Compiling phf_shared v0.7.23 [INFO] [stderr] Checking mime v0.3.12 [INFO] [stderr] Checking tendril v0.2.4 [INFO] [stderr] Checking tokio-codec v0.1.1 [INFO] [stderr] Compiling syn v0.14.9 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking crossbeam-epoch v0.5.2 [INFO] [stderr] Compiling phf_generator v0.7.23 [INFO] [stderr] Checking phf v0.7.23 [INFO] [stderr] Compiling phf_codegen v0.7.23 [INFO] [stderr] Compiling string_cache_codegen v0.3.1 [INFO] [stderr] Checking chrono v0.4.6 [INFO] [stderr] Compiling mime_guess v2.0.0-alpha.6 [INFO] [stderr] Checking crossbeam-deque v0.6.1 [INFO] [stderr] Checking parking_lot v0.6.4 [INFO] [stderr] Checking tokio-threadpool v0.1.7 [INFO] [stderr] Compiling string_cache v0.4.0 [INFO] [stderr] Compiling html5ever-atoms v0.2.2 [INFO] [stderr] Checking tokio-reactor v0.1.6 [INFO] [stderr] Checking backtrace v0.3.9 [INFO] [stderr] Checking h2 v0.1.13 [INFO] [stderr] Checking tokio-tcp v0.1.2 [INFO] [stderr] Checking tokio-udp v0.1.2 [INFO] [stderr] Checking tokio-uds v0.2.2 [INFO] [stderr] Checking tokio-fs v0.1.3 [INFO] [stderr] Checking tokio v0.1.11 [INFO] [stderr] Checking serde_json v1.0.32 [INFO] [stderr] Checking serde_urlencoded v0.5.3 [INFO] [stderr] Compiling html5ever v0.13.1 [INFO] [stderr] Compiling darling_core v0.6.3 [INFO] [stderr] Checking hyper v0.12.12 [INFO] [stderr] Compiling synstructure v0.9.0 [INFO] [stderr] Compiling failure_derive v0.1.2 [INFO] [stderr] Checking hyper-tls v0.3.1 [INFO] [stderr] Checking reqwest v0.9.3 [INFO] [stderr] Checking failure v0.1.2 [INFO] [stderr] Checking quick-xml v0.13.0 [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] 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: 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(panic_fmt)]` on by default [INFO] [stdout] = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition [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: 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: unused `std::result::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: 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(panic_fmt)]` on by default [INFO] [stdout] = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition [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: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::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] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 49s [INFO] running `Command { std: "docker" "inspect" "6923555ea44e6212a4f302889a79700f7380bad850393cc554dfa0ebc72a92ab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6923555ea44e6212a4f302889a79700f7380bad850393cc554dfa0ebc72a92ab", kill_on_drop: false }` [INFO] [stdout] 6923555ea44e6212a4f302889a79700f7380bad850393cc554dfa0ebc72a92ab