[INFO] fetching crate byml 0.1.4... [INFO] checking byml-0.1.4 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate byml 0.1.4 into /workspace/builds/worker-1-tc1/source [INFO] validating manifest of crates.io crate byml 0.1.4 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate byml 0.1.4 [INFO] finished tweaking crates.io crate byml 0.1.4 [INFO] tweaked toml for crates.io crate byml 0.1.4 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 57 packages [INFO] [stderr] Adding arrayvec v0.4.12 (latest: v0.7.4) [INFO] [stderr] Adding base64 v0.12.3 (latest: v0.22.0) [INFO] [stderr] Adding binread v1.4.1 (latest: v2.2.0) [INFO] [stderr] Adding binread_derive v1.4.3 (latest: v2.1.0) [INFO] [stderr] Adding cached v0.20.0 (latest: v0.49.2) [INFO] [stderr] Adding cached_proc_macro v0.4.0 (latest: v0.20.0) [INFO] [stderr] Adding darling v0.10.2 (latest: v0.20.8) [INFO] [stderr] Adding darling_core v0.10.2 (latest: v0.20.8) [INFO] [stderr] Adding darling_macro v0.10.2 (latest: v0.20.8) [INFO] [stderr] Adding event-listener v2.5.3 (latest: v5.2.0) [INFO] [stderr] Adding hashbrown v0.12.3 (latest: v0.14.3) [INFO] [stderr] Adding indexmap v1.9.3 (latest: v2.2.6) [INFO] [stderr] Adding parse_int v0.4.0 (latest: v0.6.0) [INFO] [stderr] Adding paste v0.1.18 (latest: v1.0.14) [INFO] [stderr] Adding strsim v0.9.3 (latest: v0.11.1) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding yaz0 v0.1.2 (latest: v0.3.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded cached_proc_macro v0.4.0 [INFO] [stderr] Downloaded binread v1.4.1 [INFO] [stderr] Downloaded binwrite v0.2.1 [INFO] [stderr] Downloaded binwrite_derive v0.2.1 [INFO] [stderr] Downloaded parse_int v0.4.0 [INFO] [stderr] Downloaded binread_derive v1.4.3 [INFO] [stderr] Downloaded yaz0 v0.1.2 [INFO] [stderr] Downloaded cached v0.20.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 59dbc321669b2a9cedccd5676fc9a4c4c5fb193d6e846bb85021af9679f6201f [INFO] running `Command { std: "docker" "start" "-a" "59dbc321669b2a9cedccd5676fc9a4c4c5fb193d6e846bb85021af9679f6201f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "59dbc321669b2a9cedccd5676fc9a4c4c5fb193d6e846bb85021af9679f6201f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "59dbc321669b2a9cedccd5676fc9a4c4c5fb193d6e846bb85021af9679f6201f", kill_on_drop: false }` [INFO] [stdout] 59dbc321669b2a9cedccd5676fc9a4c4c5fb193d6e846bb85021af9679f6201f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cd764ce07d88ef9d36cffd51aff6c7de5ca2f068daa0bd75cea30c3c2c6fabff [INFO] running `Command { std: "docker" "start" "-a" "cd764ce07d88ef9d36cffd51aff6c7de5ca2f068daa0bd75cea30c3c2c6fabff", kill_on_drop: false }` [INFO] [stderr] Compiling strsim v0.9.3 [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Compiling event-listener v2.5.3 [INFO] [stderr] Compiling arrayvec v0.4.12 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Checking async-mutex v1.4.0 [INFO] [stderr] Compiling paste-impl v0.1.18 [INFO] [stderr] Checking crossbeam-deque v0.8.5 [INFO] [stderr] Checking glob v0.3.1 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking paste v0.1.18 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Checking yaz0 v0.1.2 [INFO] [stderr] Checking parse_int v0.4.0 [INFO] [stderr] Compiling darling_core v0.10.2 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Compiling binwrite_derive v0.2.1 [INFO] [stderr] Compiling binread_derive v1.4.3 [INFO] [stderr] Compiling darling_macro v0.10.2 [INFO] [stderr] Checking binwrite v0.2.1 [INFO] [stderr] Compiling darling v0.10.2 [INFO] [stderr] Compiling cached_proc_macro v0.4.0 [INFO] [stderr] Checking binread v1.4.1 [INFO] [stderr] Checking cached v0.20.0 [INFO] [stderr] Checking byml v0.1.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `From` is imported redundantly [INFO] [stdout] --> src/yaml/emit.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::convert::From; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `From` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `From` is imported redundantly [INFO] [stdout] --> src/yaml/emit.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::convert::From; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `From` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `seek_convenience` has been stable since 1.51.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(seek_convenience)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `seek_convenience` has been stable since 1.51.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(seek_convenience)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `version` is never read [INFO] [stdout] --> src/parse.rs:39:5 [INFO] [stdout] | [INFO] [stdout] 38 | struct Header { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 39 | version: u16, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Header` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `entries` and `offsets` are never read [INFO] [stdout] --> src/parse.rs:48:5 [INFO] [stdout] | [INFO] [stdout] 47 | struct StringTable { [INFO] [stdout] | ----------- fields in this struct [INFO] [stdout] 48 | entries: U24, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 49 | #[br(count = entries.0)] [INFO] [stdout] 50 | offsets: Vec, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `StringTable` 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 `magic` and `entries` are never read [INFO] [stdout] --> src/parse.rs:244:5 [INFO] [stdout] | [INFO] [stdout] 243 | struct ArrayHeader { [INFO] [stdout] | ----------- fields in this struct [INFO] [stdout] 244 | magic: u8, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 245 | #[br(map = |x: U24| x.0 as u32)] [INFO] [stdout] 246 | entries: u32, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ArrayHeader` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Node` is never constructed [INFO] [stdout] --> src/write.rs:96:8 [INFO] [stdout] | [INFO] [stdout] 96 | struct Node { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `StringTable` is never constructed [INFO] [stdout] --> src/write.rs:160:8 [INFO] [stdout] | [INFO] [stdout] 160 | struct StringTable { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `AlignedCStr` is never constructed [INFO] [stdout] --> src/write.rs:166:8 [INFO] [stdout] | [INFO] [stdout] 166 | struct AlignedCStr { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `version` is never read [INFO] [stdout] --> src/parse.rs:39:5 [INFO] [stdout] | [INFO] [stdout] 38 | struct Header { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 39 | version: u16, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Header` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `entries` and `offsets` are never read [INFO] [stdout] --> src/parse.rs:48:5 [INFO] [stdout] | [INFO] [stdout] 47 | struct StringTable { [INFO] [stdout] | ----------- fields in this struct [INFO] [stdout] 48 | entries: U24, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 49 | #[br(count = entries.0)] [INFO] [stdout] 50 | offsets: Vec, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `StringTable` 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 `magic` and `entries` are never read [INFO] [stdout] --> src/parse.rs:244:5 [INFO] [stdout] | [INFO] [stdout] 243 | struct ArrayHeader { [INFO] [stdout] | ----------- fields in this struct [INFO] [stdout] 244 | magic: u8, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 245 | #[br(map = |x: U24| x.0 as u32)] [INFO] [stdout] 246 | entries: u32, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ArrayHeader` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Node` is never constructed [INFO] [stdout] --> src/write.rs:96:8 [INFO] [stdout] | [INFO] [stdout] 96 | struct Node { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `StringTable` is never constructed [INFO] [stdout] --> src/write.rs:160:8 [INFO] [stdout] | [INFO] [stdout] 160 | struct StringTable { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `AlignedCStr` is never constructed [INFO] [stdout] --> src/write.rs:166:8 [INFO] [stdout] | [INFO] [stdout] 166 | struct AlignedCStr { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.10s [INFO] running `Command { std: "docker" "inspect" "cd764ce07d88ef9d36cffd51aff6c7de5ca2f068daa0bd75cea30c3c2c6fabff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cd764ce07d88ef9d36cffd51aff6c7de5ca2f068daa0bd75cea30c3c2c6fabff", kill_on_drop: false }` [INFO] [stdout] cd764ce07d88ef9d36cffd51aff6c7de5ca2f068daa0bd75cea30c3c2c6fabff