[INFO] fetching crate melib 0.7.2... [INFO] checking melib-0.7.2 against master#0d56e340472882fa673d4b98d0802b9a799879d0 for pr-101692 [INFO] extracting crate melib 0.7.2 into /workspace/builds/worker-3/source [INFO] validating manifest of crates.io crate melib 0.7.2 on toolchain 0d56e340472882fa673d4b98d0802b9a799879d0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d56e340472882fa673d4b98d0802b9a799879d0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate melib 0.7.2 [INFO] finished tweaking crates.io crate melib 0.7.2 [INFO] tweaked toml for crates.io crate melib 0.7.2 written to /workspace/builds/worker-3/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d56e340472882fa673d4b98d0802b9a799879d0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d56e340472882fa673d4b98d0802b9a799879d0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded signal-hook v0.3.14 [INFO] [stderr] Downloaded smol v1.2.5 [INFO] [stderr] Downloaded rusqlite v0.24.2 [INFO] [stderr] Downloaded async-fs v1.6.0 [INFO] [stderr] Downloaded async-net v1.7.0 [INFO] [stderr] Downloaded libloading v0.6.7 [INFO] [stderr] Downloaded async-stream-impl v0.2.1 [INFO] [stderr] Downloaded inotify-sys v0.1.5 [INFO] [stderr] Downloaded fsevent-sys v2.0.1 [INFO] [stderr] Downloaded fsevent v0.4.0 [INFO] [stderr] Downloaded sluice v0.5.5 [INFO] [stderr] Downloaded notify v4.0.17 [INFO] [stderr] Downloaded flume v0.9.2 [INFO] [stderr] Downloaded spinning_top v0.2.4 [INFO] [stderr] Downloaded futures-macro v0.3.24 [INFO] [stderr] Downloaded isahc v0.9.14 [INFO] [stderr] Downloaded nix v0.17.0 [INFO] [stderr] Downloaded async-process v1.5.0 [INFO] [stderr] Downloaded mio-extras v2.0.6 [INFO] [stderr] Downloaded xdg-utils v0.4.0 [INFO] [stderr] Downloaded lexical-core v0.7.6 [INFO] [stderr] Downloaded xdg v2.4.1 [INFO] [stderr] Downloaded arrayvec v0.5.2 [INFO] [stderr] Downloaded libsqlite3-sys v0.20.1 [INFO] [stderr] Downloaded ahash v0.4.7 [INFO] [stderr] Downloaded libz-sys v1.1.8 [INFO] [stderr] Downloaded libnghttp2-sys v0.1.7+1.45.0 [INFO] [stderr] Downloaded curl-sys v0.4.56+curl-7.83.1 [INFO] [stderr] Downloaded inotify v0.7.1 [INFO] [stderr] Downloaded hashlink v0.6.0 [INFO] [stderr] Downloaded fallible-streaming-iterator v0.1.9 [INFO] [stderr] Downloaded async-stream v0.2.1 [INFO] [stderr] Downloaded curl v0.4.44 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+0d56e340472882fa673d4b98d0802b9a799879d0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 981618812aaf46174cef0a59875243c35a3deac61a93642bd535a34bf00d40dd [INFO] running `Command { std: "docker" "start" "-a" "981618812aaf46174cef0a59875243c35a3deac61a93642bd535a34bf00d40dd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "981618812aaf46174cef0a59875243c35a3deac61a93642bd535a34bf00d40dd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "981618812aaf46174cef0a59875243c35a3deac61a93642bd535a34bf00d40dd", kill_on_drop: false }` [INFO] [stdout] 981618812aaf46174cef0a59875243c35a3deac61a93642bd535a34bf00d40dd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+0d56e340472882fa673d4b98d0802b9a799879d0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 535ef5a3c4660264ee5b49b11bc9255e49aeadec3acf7e030b7cc7e1a924f072 [INFO] running `Command { std: "docker" "start" "-a" "535ef5a3c4660264ee5b49b11bc9255e49aeadec3acf7e030b7cc7e1a924f072", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling libc v0.2.132 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling futures-core v0.3.24 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling proc-macro2 v1.0.43 [INFO] [stderr] Compiling unicode-ident v1.0.4 [INFO] [stderr] Compiling quote v1.0.21 [INFO] [stderr] Compiling syn v1.0.99 [INFO] [stderr] Compiling pkg-config v0.3.25 [INFO] [stderr] Checking pin-project-lite v0.2.9 [INFO] [stderr] Checking futures-io v0.3.24 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] 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v0.20.1 [INFO] [stderr] Compiling nom v5.1.2 [INFO] [stderr] Checking encoding v0.2.33 [INFO] [stderr] Checking async-channel v1.7.1 [INFO] [stderr] Checking hashlink v0.6.0 [INFO] [stderr] Checking flate2 v1.0.24 [INFO] [stderr] Checking futures-lite v1.12.0 [INFO] [stderr] Compiling openssl-sys v0.9.75 [INFO] [stderr] Checking blocking v1.2.0 [INFO] [stderr] Checking async-executor v1.4.1 [INFO] [stderr] Checking socket2 v0.4.7 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.37 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking inotify-sys v0.1.5 [INFO] [stderr] Checking dirs-sys v0.3.7 [INFO] [stderr] Checking getrandom v0.2.7 [INFO] [stderr] Checking filetime v0.2.17 [INFO] [stderr] Checking inotify v0.7.1 [INFO] [stderr] Checking dirs v4.0.0 [INFO] [stderr] Checking xdg v2.4.1 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking mio-extras v2.0.6 [INFO] [stderr] Checking smol v1.2.5 [INFO] [stderr] Checking notify v4.0.17 [INFO] [stderr] Checking smallvec v1.9.0 [INFO] [stderr] Checking bincode v1.3.3 [INFO] [stderr] Checking uuid v0.8.2 [INFO] [stderr] Checking rusqlite v0.24.2 [INFO] [stderr] Compiling futures-macro v0.3.24 [INFO] [stderr] Compiling openssl-macros v0.1.0 [INFO] [stderr] Compiling async-stream-impl v0.2.1 [INFO] [stderr] Checking async-stream v0.2.1 [INFO] [stderr] Checking futures-executor v0.3.24 [INFO] [stderr] Checking futures v0.3.24 [INFO] [stdout] warning: field `is_subscribed` is never read [INFO] [stdout] --> src/backends/imap.rs:195:5 [INFO] [stdout] | [INFO] [stdout] 194 | pub struct ImapType { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 195 | is_subscribed: Arc, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] = note: `ImapType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `offline_cache` is never read [INFO] [stdout] --> src/backends/nntp.rs:111:5 [INFO] [stdout] | [INFO] [stdout] 108 | pub struct UIDStore { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 111 | offline_cache: bool, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `UIDStore` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `is_subscribed` and `can_create_flags` are never read [INFO] [stdout] --> src/backends/nntp.rs:150:5 [INFO] [stdout] | [INFO] [stdout] 149 | pub struct NntpType { [INFO] [stdout] | -------- fields in this struct [INFO] [stdout] 150 | is_subscribed: Arc, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 154 | can_create_flags: Arc>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `NntpType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `hash` is never read [INFO] [stdout] --> src/backends/maildir/backend.rs:87:5 [INFO] [stdout] | [INFO] [stdout] 85 | pub struct HashIndex { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 86 | index: HashMap, [INFO] [stdout] 87 | hash: MailboxHash, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `HashIndex` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `hash` is never read [INFO] [stdout] --> src/backends/mbox.rs:274:5 [INFO] [stdout] | [INFO] [stdout] 273 | pub struct MboxOp { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 274 | hash: EnvelopeHash, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `MboxOp` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `is_subscribed` is never read [INFO] [stdout] --> src/backends/imap.rs:195:5 [INFO] [stdout] | [INFO] [stdout] 194 | pub struct ImapType { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 195 | is_subscribed: Arc, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] = note: `ImapType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `offline_cache` is never read [INFO] [stdout] --> src/backends/nntp.rs:111:5 [INFO] [stdout] | [INFO] [stdout] 108 | pub struct UIDStore { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 111 | offline_cache: bool, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `UIDStore` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `is_subscribed` and `can_create_flags` are never read [INFO] [stdout] --> src/backends/nntp.rs:150:5 [INFO] [stdout] | [INFO] [stdout] 149 | pub struct NntpType { [INFO] [stdout] | -------- fields in this struct [INFO] [stdout] 150 | is_subscribed: Arc, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 154 | can_create_flags: Arc>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `NntpType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `hash` is never read [INFO] [stdout] --> src/backends/maildir/backend.rs:87:5 [INFO] [stdout] | [INFO] [stdout] 85 | pub struct HashIndex { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 86 | index: HashMap, [INFO] [stdout] 87 | hash: MailboxHash, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `HashIndex` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `hash` is never read [INFO] [stdout] --> src/backends/mbox.rs:274:5 [INFO] [stdout] | [INFO] [stdout] 273 | pub struct MboxOp { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 274 | hash: EnvelopeHash, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `MboxOp` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 41.54s [INFO] running `Command { std: "docker" "inspect" "535ef5a3c4660264ee5b49b11bc9255e49aeadec3acf7e030b7cc7e1a924f072", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "535ef5a3c4660264ee5b49b11bc9255e49aeadec3acf7e030b7cc7e1a924f072", kill_on_drop: false }` [INFO] [stdout] 535ef5a3c4660264ee5b49b11bc9255e49aeadec3acf7e030b7cc7e1a924f072