[INFO] fetching crate mtree 0.5.0... [INFO] building mtree-0.5.0 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] extracting crate mtree 0.5.0 into /workspace/builds/worker-5-tc1/source [INFO] validating manifest of crates.io crate mtree 0.5.0 on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate mtree 0.5.0 [INFO] finished tweaking crates.io crate mtree 0.5.0 [INFO] tweaked toml for crates.io crate mtree 0.5.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 4 packages to latest compatible versions [INFO] [stderr] Adding bitflags v1.3.2 (available: v2.6.0) [INFO] [stderr] Adding smallvec v0.6.14 (available: v1.13.2) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded newtype_array v0.1.6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] afd749e994936f37c162b27931f84bdbc76022c43dec4e2e3cabfdaff2f9a304 [INFO] running `Command { std: "docker" "start" "-a" "afd749e994936f37c162b27931f84bdbc76022c43dec4e2e3cabfdaff2f9a304", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "afd749e994936f37c162b27931f84bdbc76022c43dec4e2e3cabfdaff2f9a304", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "afd749e994936f37c162b27931f84bdbc76022c43dec4e2e3cabfdaff2f9a304", kill_on_drop: false }` [INFO] [stdout] afd749e994936f37c162b27931f84bdbc76022c43dec4e2e3cabfdaff2f9a304 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 -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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 568c6164dc2add688499b9ecfc32bdf96944fa6134ee646b8349cbfa51089a66 [INFO] running `Command { std: "docker" "start" "-a" "568c6164dc2add688499b9ecfc32bdf96944fa6134ee646b8349cbfa51089a66", kill_on_drop: false }` [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling newtype_array v0.1.6 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling smallvec v0.6.14 [INFO] [stderr] Compiling mtree v0.5.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/parser.rs:14:13 [INFO] [stdout] | [INFO] [stdout] 14 | Comment(&'a [u8]), [INFO] [stdout] | ------- ^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `MTreeLine` 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] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 14 | Comment(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.64s [INFO] running `Command { std: "docker" "inspect" "568c6164dc2add688499b9ecfc32bdf96944fa6134ee646b8349cbfa51089a66", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "568c6164dc2add688499b9ecfc32bdf96944fa6134ee646b8349cbfa51089a66", kill_on_drop: false }` [INFO] [stdout] 568c6164dc2add688499b9ecfc32bdf96944fa6134ee646b8349cbfa51089a66 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 -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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 84e48df0e0e82e8dd1e1cc8831635e8287e2f0bd51721dc3ccbe2ccb7c308670 [INFO] running `Command { std: "docker" "start" "-a" "84e48df0e0e82e8dd1e1cc8831635e8287e2f0bd51721dc3ccbe2ccb7c308670", kill_on_drop: false }` [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/parser.rs:14:13 [INFO] [stdout] | [INFO] [stdout] 14 | Comment(&'a [u8]), [INFO] [stdout] | ------- ^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `MTreeLine` 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] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 14 | Comment(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling mtree v0.5.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> examples/read_mtree.rs:6:29 [INFO] [stdout] | [INFO] [stdout] 6 | fn main() -> Result<(), Box> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) 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 a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 6 | fn main() -> Result<(), Box> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/parser.rs:14:13 [INFO] [stdout] | [INFO] [stdout] 14 | Comment(&'a [u8]), [INFO] [stdout] | ------- ^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `MTreeLine` 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] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 14 | Comment(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.38s [INFO] running `Command { std: "docker" "inspect" "84e48df0e0e82e8dd1e1cc8831635e8287e2f0bd51721dc3ccbe2ccb7c308670", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "84e48df0e0e82e8dd1e1cc8831635e8287e2f0bd51721dc3ccbe2ccb7c308670", kill_on_drop: false }` [INFO] [stdout] 84e48df0e0e82e8dd1e1cc8831635e8287e2f0bd51721dc3ccbe2ccb7c308670