[INFO] cloning repository https://github.com/JamesWP/compiler [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JamesWP/compiler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJamesWP%2Fcompiler", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJamesWP%2Fcompiler'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2c7f4892aba75baead227b30e6c5bb9d5d1b006a [INFO] checking JamesWP/compiler/2c7f4892aba75baead227b30e6c5bb9d5d1b006a against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJamesWP%2Fcompiler" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/JamesWP/compiler 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 git repo https://github.com/JamesWP/compiler [INFO] finished tweaking git repo https://github.com/JamesWP/compiler [INFO] tweaked toml for git repo https://github.com/JamesWP/compiler written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/JamesWP/compiler already has a lockfile, it will not be regenerated [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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 87365b0b47da62c886e43a9392bc0721b6748833826f4c00ceece6df528db12f [INFO] running `Command { std: "docker" "start" "-a" "87365b0b47da62c886e43a9392bc0721b6748833826f4c00ceece6df528db12f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "87365b0b47da62c886e43a9392bc0721b6748833826f4c00ceece6df528db12f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "87365b0b47da62c886e43a9392bc0721b6748833826f4c00ceece6df528db12f", kill_on_drop: false }` [INFO] [stdout] 87365b0b47da62c886e43a9392bc0721b6748833826f4c00ceece6df528db12f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] f97b47a3ca4accdcbb848920396d4afdc721d52d4cd3363f02296c6c84a84008 [INFO] running `Command { std: "docker" "start" "-a" "f97b47a3ca4accdcbb848920396d4afdc721d52d4cd3363f02296c6c84a84008", kill_on_drop: false }` [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling crc32fast v1.2.1 [INFO] [stderr] Compiling libc v0.2.103 [INFO] [stderr] Compiling indexmap v1.7.0 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking itertools v0.10.3 [INFO] [stderr] Checking flate2 v1.0.22 [INFO] [stderr] Checking object v0.26.2 [INFO] [stderr] Checking compiler v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `source` is never read [INFO] [stdout] --> src/ast.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 6 | pub struct Token { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] ... [INFO] [stdout] 14 | pub source: Option, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Token` 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: methods `is_memory` and `reg` are never used [INFO] [stdout] --> src/platform.rs:124:8 [INFO] [stdout] | [INFO] [stdout] 123 | pub trait Operand: Display { [INFO] [stdout] | ------- methods in this trait [INFO] [stdout] 124 | fn is_memory(&self) -> bool; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 125 | fn reg(&self) -> Option<&X86_64Reg>; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/source.rs:30:57 [INFO] [stdout] | [INFO] [stdout] 30 | let mut open_file = std::fs::File::open(filename.clone()).map_err(|err| SourceError { [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `source` is never read [INFO] [stdout] --> src/ast.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 6 | pub struct Token { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] ... [INFO] [stdout] 14 | pub source: Option, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Token` 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: methods `is_memory` and `reg` are never used [INFO] [stdout] --> src/platform.rs:124:8 [INFO] [stdout] | [INFO] [stdout] 123 | pub trait Operand: Display { [INFO] [stdout] | ------- methods in this trait [INFO] [stdout] 124 | fn is_memory(&self) -> bool; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 125 | fn reg(&self) -> Option<&X86_64Reg>; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/source.rs:30:57 [INFO] [stdout] | [INFO] [stdout] 30 | let mut open_file = std::fs::File::open(filename.clone()).map_err(|err| SourceError { [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.59s [INFO] running `Command { std: "docker" "inspect" "f97b47a3ca4accdcbb848920396d4afdc721d52d4cd3363f02296c6c84a84008", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f97b47a3ca4accdcbb848920396d4afdc721d52d4cd3363f02296c6c84a84008", kill_on_drop: false }` [INFO] [stdout] f97b47a3ca4accdcbb848920396d4afdc721d52d4cd3363f02296c6c84a84008