[INFO] fetching crate xbdm 0.1.0-alpha... [INFO] checking xbdm-0.1.0-alpha against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate xbdm 0.1.0-alpha into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate xbdm 0.1.0-alpha 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 xbdm 0.1.0-alpha [INFO] finished tweaking crates.io crate xbdm 0.1.0-alpha [INFO] tweaked toml for crates.io crate xbdm 0.1.0-alpha written to /workspace/builds/worker-5-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 1 package to latest compatible version [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-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 869a560a468b924dda4974983b250033abf7a2122a53cacde0dec01a352a7abd [INFO] running `Command { std: "docker" "start" "-a" "869a560a468b924dda4974983b250033abf7a2122a53cacde0dec01a352a7abd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "869a560a468b924dda4974983b250033abf7a2122a53cacde0dec01a352a7abd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "869a560a468b924dda4974983b250033abf7a2122a53cacde0dec01a352a7abd", kill_on_drop: false }` [INFO] [stdout] 869a560a468b924dda4974983b250033abf7a2122a53cacde0dec01a352a7abd [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 -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] 4236457b1c00aeaacf724cf8424b6efd9ef0499b60f6da2544f238d2bc9c22c8 [INFO] running `Command { std: "docker" "start" "-a" "4236457b1c00aeaacf724cf8424b6efd9ef0499b60f6da2544f238d2bc9c22c8", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Checking bufstream v0.1.4 [INFO] [stderr] Checking xbdm v0.1.0-alpha (/opt/rustwide/workdir) [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/client.rs:98:19 [INFO] [stdout] | [INFO] [stdout] 97 | pub fn execute<'a, E>(&'a mut self, expect: E, command: &'a str) [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] 98 | -> Result [INFO] [stdout] | ^^^^^^^ this elided lifetime gets resolved as `'a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(elided_named_lifetimes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/client.rs:98:19 [INFO] [stdout] | [INFO] [stdout] 97 | pub fn execute<'a, E>(&'a mut self, expect: E, command: &'a str) [INFO] [stdout] | -- lifetime `'a` declared here [INFO] [stdout] 98 | -> Result [INFO] [stdout] | ^^^^^^^ this elided lifetime gets resolved as `'a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(elided_named_lifetimes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/error.rs:99:32 [INFO] [stdout] | [INFO] [stdout] 99 | fn cause(&self) -> Option<&::std::error::Error> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 99 | fn cause(&self) -> Option<&dyn (::std::error::Error)> { [INFO] [stdout] | +++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/error.rs:43:27 [INFO] [stdout] | [INFO] [stdout] 43 | where E: Into>, C: Into [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 43 | where E: Into>, C: Into [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/error.rs:99:32 [INFO] [stdout] | [INFO] [stdout] 99 | fn cause(&self) -> Option<&::std::error::Error> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 99 | fn cause(&self) -> Option<&dyn (::std::error::Error)> { [INFO] [stdout] | +++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/error.rs:43:27 [INFO] [stdout] | [INFO] [stdout] 43 | where E: Into>, C: Into [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 43 | where E: Into>, C: Into [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/error.rs:93:43 [INFO] [stdout] | [INFO] [stdout] 93 | ErrorKind::Io(ref err) => err.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/error.rs:93:43 [INFO] [stdout] | [INFO] [stdout] 93 | ErrorKind::Io(ref err) => err.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Take` and `Give` are never constructed [INFO] [stdout] --> src/client.rs:67:5 [INFO] [stdout] | [INFO] [stdout] 63 | enum Stream { [INFO] [stdout] | ------ variants in this enum [INFO] [stdout] ... [INFO] [stdout] 67 | Take(io::Take), [INFO] [stdout] | ^^^^ [INFO] [stdout] 68 | Give(Give), [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Stream` 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: associated function `new` is never used [INFO] [stdout] --> src/client.rs:330:12 [INFO] [stdout] | [INFO] [stdout] 329 | impl Give { [INFO] [stdout] | --------------- associated function in this implementation [INFO] [stdout] 330 | pub fn new(inner: T, limit: u64) -> Give { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Take` and `Give` are never constructed [INFO] [stdout] --> src/client.rs:67:5 [INFO] [stdout] | [INFO] [stdout] 63 | enum Stream { [INFO] [stdout] | ------ variants in this enum [INFO] [stdout] ... [INFO] [stdout] 67 | Take(io::Take), [INFO] [stdout] | ^^^^ [INFO] [stdout] 68 | Give(Give), [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Stream` 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: associated function `new` is never used [INFO] [stdout] --> src/client.rs:330:12 [INFO] [stdout] | [INFO] [stdout] 329 | impl Give { [INFO] [stdout] | --------------- associated function in this implementation [INFO] [stdout] 330 | pub fn new(inner: T, limit: u64) -> Give { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.37s [INFO] running `Command { std: "docker" "inspect" "4236457b1c00aeaacf724cf8424b6efd9ef0499b60f6da2544f238d2bc9c22c8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4236457b1c00aeaacf724cf8424b6efd9ef0499b60f6da2544f238d2bc9c22c8", kill_on_drop: false }` [INFO] [stdout] 4236457b1c00aeaacf724cf8424b6efd9ef0499b60f6da2544f238d2bc9c22c8