[INFO] fetching crate decanter-derive 0.1.6... [INFO] checking decanter-derive-0.1.6 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1 [INFO] extracting crate decanter-derive 0.1.6 into /workspace/builds/worker-5-tc2/source [INFO] started tweaking crates.io crate decanter-derive 0.1.6 [INFO] finished tweaking crates.io crate decanter-derive 0.1.6 [INFO] tweaked toml for crates.io crate decanter-derive 0.1.6 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate decanter-derive 0.1.6 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 10 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e94088b3829866ae1bc922fecacb060feba884f5445c330ac535acc181e7a87c [INFO] running `Command { std: "docker" "start" "-a" "e94088b3829866ae1bc922fecacb060feba884f5445c330ac535acc181e7a87c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e94088b3829866ae1bc922fecacb060feba884f5445c330ac535acc181e7a87c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e94088b3829866ae1bc922fecacb060feba884f5445c330ac535acc181e7a87c", kill_on_drop: false }` [INFO] [stdout] e94088b3829866ae1bc922fecacb060feba884f5445c330ac535acc181e7a87c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f76bd75dcc262d54d4b399b0164f5583586310c224973139d58239bf3962ebd1 [INFO] running `Command { std: "docker" "start" "-a" "f76bd75dcc262d54d4b399b0164f5583586310c224973139d58239bf3962ebd1", kill_on_drop: false }` [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Checking syn v2.0.106 [INFO] [stderr] Checking serde v1.0.219 [INFO] [stderr] Checking serde_json v1.0.143 [INFO] [stderr] Checking decanter-derive v0.1.6 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `non_exhaustive` is never read [INFO] [stdout] --> src/internal/attr/container.rs:36:9 [INFO] [stdout] | [INFO] [stdout] 35 | pub struct Container { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 36 | pub non_exhaustive: bool, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Container` has a derived impl for the trait `Clone`, 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: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/internal/attr/container.rs:104:23 [INFO] [stdout] | [INFO] [stdout] 104 | pub fn crate_path(&self) -> Cow { [INFO] [stdout] | ^^^^^ -------------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 104 | pub fn crate_path(&self) -> Cow<'_, syn::Path> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `non_exhaustive` is never read [INFO] [stdout] --> src/internal/attr/container.rs:36:9 [INFO] [stdout] | [INFO] [stdout] 35 | pub struct Container { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 36 | pub non_exhaustive: bool, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Container` has a derived impl for the trait `Clone`, 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: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/internal/attr/container.rs:104:23 [INFO] [stdout] | [INFO] [stdout] 104 | pub fn crate_path(&self) -> Cow { [INFO] [stdout] | ^^^^^ -------------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 104 | pub fn crate_path(&self) -> Cow<'_, syn::Path> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.05s [INFO] running `Command { std: "docker" "inspect" "f76bd75dcc262d54d4b399b0164f5583586310c224973139d58239bf3962ebd1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f76bd75dcc262d54d4b399b0164f5583586310c224973139d58239bf3962ebd1", kill_on_drop: false }` [INFO] [stdout] f76bd75dcc262d54d4b399b0164f5583586310c224973139d58239bf3962ebd1