[INFO] fetching crate melib 0.6.2... [INFO] checking melib-0.6.2 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744 [INFO] extracting crate melib 0.6.2 into /workspace/builds/worker-0/source [INFO] validating manifest of crates.io crate melib 0.6.2 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate melib 0.6.2 [INFO] finished tweaking crates.io crate melib 0.6.2 [INFO] tweaked toml for crates.io crate melib 0.6.2 written to /workspace/builds/worker-0/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded xdg-utils v0.3.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 95838f2cbf438eb44f916b5e3d49d9459bb95429b0a54f1447a885beb9f4193f [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" "95838f2cbf438eb44f916b5e3d49d9459bb95429b0a54f1447a885beb9f4193f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "95838f2cbf438eb44f916b5e3d49d9459bb95429b0a54f1447a885beb9f4193f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "95838f2cbf438eb44f916b5e3d49d9459bb95429b0a54f1447a885beb9f4193f", kill_on_drop: false }` [INFO] [stdout] 95838f2cbf438eb44f916b5e3d49d9459bb95429b0a54f1447a885beb9f4193f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b089abe7aafa881e995bf09f9e91f5b1eca95438f468ee400fc5d225292761ac [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" "b089abe7aafa881e995bf09f9e91f5b1eca95438f468ee400fc5d225292761ac", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.93 [INFO] [stderr] Checking futures-core v0.3.14 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking pin-project-lite v0.2.6 [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Checking cache-padded v1.1.1 [INFO] [stderr] Checking once_cell v1.7.2 [INFO] [stderr] Checking waker-fn v1.1.0 [INFO] [stderr] Checking fastrand v1.4.0 [INFO] [stderr] Checking parking v2.0.0 [INFO] [stderr] Checking event-listener v2.5.1 [INFO] [stderr] Checking encoding_index_tests v0.1.4 [INFO] [stderr] Checking vec-arena v1.1.0 [INFO] [stderr] Checking async-task v4.0.3 [INFO] [stderr] Compiling proc-macro-nested v0.1.7 [INFO] [stderr] Checking ahash v0.4.7 [INFO] [stderr] Checking futures-sink v0.3.14 [INFO] [stderr] Checking atomic-waker v1.0.0 [INFO] [stderr] Compiling lexical-core v0.7.5 [INFO] [stderr] Compiling openssl v0.10.33 [INFO] [stderr] Checking futures-task v0.3.14 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Checking arrayvec v0.5.2 [INFO] [stderr] Checking static_assertions v1.1.0 [INFO] [stderr] Compiling nix v0.17.0 [INFO] [stderr] Compiling native-tls v0.2.7 [INFO] [stderr] Compiling serde_derive v1.0.125 [INFO] [stderr] Checking adler v1.0.2 [INFO] [stderr] Checking fallible-iterator v0.2.0 [INFO] [stderr] Checking fallible-streaming-iterator v0.1.9 [INFO] [stderr] Checking sha1 v0.6.0 [INFO] [stderr] Compiling melib v0.6.2 (/opt/rustwide/workdir) [INFO] [stderr] Checking xdg v2.2.0 [INFO] [stderr] Checking xdg-utils v0.3.2 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling indexmap v1.6.2 [INFO] [stderr] Checking libloading v0.6.7 [INFO] [stderr] Compiling libsqlite3-sys v0.20.1 [INFO] [stderr] Compiling openssl-sys v0.9.61 [INFO] [stderr] Checking encoding-index-japanese v1.20141219.5 [INFO] [stderr] Checking encoding-index-singlebyte v1.20141219.5 [INFO] [stderr] Checking encoding-index-tradchinese v1.20141219.5 [INFO] [stderr] Checking encoding-index-simpchinese v1.20141219.5 [INFO] [stderr] Checking encoding-index-korean v1.20141219.5 [INFO] [stderr] Checking concurrent-queue v1.2.2 [INFO] [stderr] Checking async-lock v2.4.0 [INFO] [stderr] Compiling nom v5.1.2 [INFO] [stderr] Checking futures-channel v0.3.14 [INFO] [stderr] Checking hashbrown v0.9.1 [INFO] [stderr] Checking memchr v2.3.4 [INFO] [stderr] Checking crc32fast v1.2.1 [INFO] [stderr] Checking smallvec v1.6.1 [INFO] [stderr] Checking bincode v1.3.3 [INFO] [stderr] Checking async-channel v1.6.1 [INFO] [stderr] Checking futures-lite v1.11.3 [INFO] [stderr] Checking encoding v0.2.33 [INFO] [stderr] Checking hashlink v0.6.0 [INFO] [stderr] Checking crossbeam-channel v0.4.4 [INFO] [stderr] Checking crossbeam-queue v0.2.3 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking rusqlite v0.24.2 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [INFO] [stderr] Compiling syn v1.0.69 [INFO] [stderr] Checking crossbeam v0.7.3 [INFO] [stderr] Checking blocking v1.0.2 [INFO] [stderr] Checking async-executor v1.4.0 [INFO] [stderr] Checking async-fs v1.5.0 [INFO] [stderr] Checking polling v2.0.3 [INFO] [stderr] Checking socket2 v0.4.0 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.37 [INFO] [stderr] Checking signal-hook-registry v1.3.0 [INFO] [stderr] Checking inotify-sys v0.1.5 [INFO] [stderr] Checking filetime v0.2.14 [INFO] [stderr] Checking memmap v0.5.2 [INFO] [stderr] Checking flate2 v1.0.20 [INFO] [stderr] Checking inotify v0.7.1 [INFO] [stderr] Checking uuid v0.8.2 [INFO] [stderr] Checking signal-hook v0.3.8 [INFO] [stderr] Checking async-io v1.4.0 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking async-process v1.0.2 [INFO] [stderr] Checking async-net v1.5.0 [INFO] [stderr] Checking mio-extras v2.0.6 [INFO] [stderr] Checking smol v1.2.5 [INFO] [stderr] Checking notify v4.0.16 [INFO] [stderr] Compiling futures-macro v0.3.14 [INFO] [stderr] Compiling async-stream-impl v0.2.1 [INFO] [stderr] Checking async-stream v0.2.1 [INFO] [stderr] Checking futures-util v0.3.14 [INFO] [stderr] Checking futures-executor v0.3.14 [INFO] [stderr] Checking futures v0.3.14 [INFO] [stdout] warning: derive helper attribute is used before it is introduced [INFO] [stdout] --> src/conf.rs:77:3 [INFO] [stdout] | [INFO] [stdout] 77 | #[serde(default)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] 78 | #[derive(Debug, Clone, Serialize, Deserialize)] [INFO] [stdout] | --------- the attribute is introduced here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(legacy_derive_helpers)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #79202 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/text_processing/line_break.rs:160:14 [INFO] [stdout] | [INFO] [stdout] 160 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::convert::TryInto` [INFO] [stdout] --> src/backends/imap/protocol_parser.rs:863:9 [INFO] [stdout] | [INFO] [stdout] 863 | use std::convert::TryInto; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::convert::TryInto` [INFO] [stdout] --> src/backends/imap/protocol_parser.rs:1055:9 [INFO] [stdout] | [INFO] [stdout] 1055 | use std::convert::TryInto; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/backends/maildir/backend.rs:1134:10 [INFO] [stdout] | [INFO] [stdout] 1134 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: derive helper attribute is used before it is introduced [INFO] [stdout] --> src/conf.rs:77:3 [INFO] [stdout] | [INFO] [stdout] 77 | #[serde(default)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] 78 | #[derive(Debug, Clone, Serialize, Deserialize)] [INFO] [stdout] | --------- the attribute is introduced here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(legacy_derive_helpers)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #79202 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `generic::*` [INFO] [stdout] --> src/email/parser.rs:2474:43 [INFO] [stdout] | [INFO] [stdout] 2474 | use super::{address::*, encodings::*, generic::*, *}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/text_processing/line_break.rs:160:14 [INFO] [stdout] | [INFO] [stdout] 160 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/backends/maildir/backend.rs:1134:10 [INFO] [stdout] | [INFO] [stdout] 1134 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `words` [INFO] [stdout] --> src/email/compose/mime.rs:182:9 [INFO] [stdout] | [INFO] [stdout] 182 | let words = "[Advcomparch] =?utf-8?b?zqPPhc68z4DOtc+BzrnPhs6/z4HOrCDPg861IGZs?=\n\t=?utf-8?b?dXNoIM67z4zOs8+JIG1pc3ByZWRpY3Rpb24gzrrO... [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_words` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `h` [INFO] [stdout] --> src/email/parser.rs:1203:14 [INFO] [stdout] | [INFO] [stdout] 1203 | for (h, v) in headers { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_h` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `action_list` [INFO] [stdout] --> src/email/parser.rs:1204:24 [INFO] [stdout] | [INFO] [stdout] 1204 | let (rest, action_list) = rfc_2369_list_headers_action_list(v).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_action_list` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 35s [INFO] running `Command { std: "docker" "inspect" "b089abe7aafa881e995bf09f9e91f5b1eca95438f468ee400fc5d225292761ac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b089abe7aafa881e995bf09f9e91f5b1eca95438f468ee400fc5d225292761ac", kill_on_drop: false }` [INFO] [stdout] b089abe7aafa881e995bf09f9e91f5b1eca95438f468ee400fc5d225292761ac