[INFO] fetching crate tars-stream 0.1.1... [INFO] checking tars-stream-0.1.1 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate tars-stream 0.1.1 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate tars-stream 0.1.1 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate tars-stream 0.1.1 [INFO] finished tweaking crates.io crate tars-stream 0.1.1 [INFO] tweaked toml for crates.io crate tars-stream 0.1.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 18 packages to latest compatible versions [INFO] [stderr] Adding bitflags v1.3.2 (available: v2.6.0) [INFO] [stderr] Adding bytes v0.4.12 (available: v1.7.2) [INFO] [stderr] Adding cfg-if v0.1.10 (available: v1.0.0) [INFO] [stderr] Adding cloudabi v0.0.3 (available: v0.1.0) [INFO] [stderr] Adding quick-error v1.2.3 (available: v2.0.1) [INFO] [stderr] Adding rand v0.4.6 (available: v0.8.5) [INFO] [stderr] Adding rand v0.5.6 (available: v0.8.5) [INFO] [stderr] Adding rand_core v0.3.1 (available: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (available: v0.6.4) [INFO] [stderr] Adding rdrand v0.4.0 (available: v0.8.3) [INFO] [stderr] Adding uuid v0.6.5 (available: v1.10.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1d27a50ce5ae91f5b59bebfdfa68e92b7d1c25120cbdac24d19389069287312c [INFO] running `Command { std: "docker" "start" "-a" "1d27a50ce5ae91f5b59bebfdfa68e92b7d1c25120cbdac24d19389069287312c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1d27a50ce5ae91f5b59bebfdfa68e92b7d1c25120cbdac24d19389069287312c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1d27a50ce5ae91f5b59bebfdfa68e92b7d1c25120cbdac24d19389069287312c", kill_on_drop: false }` [INFO] [stdout] 1d27a50ce5ae91f5b59bebfdfa68e92b7d1c25120cbdac24d19389069287312c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Dtail_expr_drop_order" "-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0ecf3c1be2a8a68d35239e346272ba9ce175139e8c86336c3f61442da7e88d57 [INFO] running `Command { std: "docker" "start" "-a" "0ecf3c1be2a8a68d35239e346272ba9ce175139e8c86336c3f61442da7e88d57", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand v0.5.6 [INFO] [stderr] Checking tars-stream v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | #![feature(specialization)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #31844 for more information [INFO] [stdout] = help: consider using `min_specialization` instead, which is more stable and complete [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `core_intrinsics` is internal to the compiler or standard library [INFO] [stdout] --> src/lib.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(core_intrinsics)] [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: using it is strongly discouraged [INFO] [stdout] = note: `#[warn(internal_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `extern_prelude` has been stable since 1.30.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | #![feature(extern_prelude)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `try_from` has been stable since 1.34.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(try_from)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking uuid v0.6.5 [INFO] [stdout] warning: field `len` is never read [INFO] [stdout] --> src/tars_decoder.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 16 | pub struct Head { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] ... [INFO] [stdout] 19 | len: u8, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Head` 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: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | #![feature(specialization)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #31844 for more information [INFO] [stdout] = help: consider using `min_specialization` instead, which is more stable and complete [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `core_intrinsics` is internal to the compiler or standard library [INFO] [stdout] --> src/lib.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(core_intrinsics)] [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: using it is strongly discouraged [INFO] [stdout] = note: `#[warn(internal_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `extern_prelude` has been stable since 1.30.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | #![feature(extern_prelude)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `try_from` has been stable since 1.34.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(try_from)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `len` is never read [INFO] [stdout] --> src/tars_decoder.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 16 | pub struct Head { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] ... [INFO] [stdout] 19 | len: u8, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Head` 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: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.53s [INFO] running `Command { std: "docker" "inspect" "0ecf3c1be2a8a68d35239e346272ba9ce175139e8c86336c3f61442da7e88d57", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0ecf3c1be2a8a68d35239e346272ba9ce175139e8c86336c3f61442da7e88d57", kill_on_drop: false }` [INFO] [stdout] 0ecf3c1be2a8a68d35239e346272ba9ce175139e8c86336c3f61442da7e88d57