[INFO] fetching crate bulut 0.3.0...
[INFO] building bulut-0.3.0 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] extracting crate bulut 0.3.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate bulut 0.3.0 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 bulut 0.3.0
[INFO] finished tweaking crates.io crate bulut 0.3.0
[INFO] tweaked toml for crates.io crate bulut 0.3.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate bulut 0.3.0 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded colored v1.9.3
[INFO] [stderr]   Downloaded time v0.1.44
[INFO] [stderr]   Downloaded libc v0.2.121
[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] 6266c0c1530a014941ee2d8391d09be3c4412433e8ea63764ed7b8eb53f87c80
[INFO] running `Command { std: "docker" "start" "-a" "6266c0c1530a014941ee2d8391d09be3c4412433e8ea63764ed7b8eb53f87c80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6266c0c1530a014941ee2d8391d09be3c4412433e8ea63764ed7b8eb53f87c80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6266c0c1530a014941ee2d8391d09be3c4412433e8ea63764ed7b8eb53f87c80", kill_on_drop: false }`
[INFO] [stdout] 6266c0c1530a014941ee2d8391d09be3c4412433e8ea63764ed7b8eb53f87c80
[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] bf04e456e6fc3e093968720884419f2e605715ef7f5601c13b3f6305ec7124bb
[INFO] running `Command { std: "docker" "start" "-a" "bf04e456e6fc3e093968720884419f2e605715ef7f5601c13b3f6305ec7124bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling colored v1.9.3
[INFO] [stderr]    Compiling bulut v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/error.rs:13:19
[INFO] [stdout]    |
[INFO] [stdout] 13 |         match self.clone() {
[INFO] [stdout]    |                   ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `VmError` does not implement `Clone`, so calling `clone` on `&VmError` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout] 13 -         match self.clone() {
[INFO] [stdout] 13 +         match self {
[INFO] [stdout]    |
[INFO] [stdout] help: if you meant to clone `VmError`, implement `Clone` for it
[INFO] [stdout]    |
[INFO] [stdout] 4  + #[derive(Clone)]
[INFO] [stdout] 5  | pub enum VmError {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `Command { std: "docker" "inspect" "bf04e456e6fc3e093968720884419f2e605715ef7f5601c13b3f6305ec7124bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf04e456e6fc3e093968720884419f2e605715ef7f5601c13b3f6305ec7124bb", kill_on_drop: false }`
[INFO] [stdout] bf04e456e6fc3e093968720884419f2e605715ef7f5601c13b3f6305ec7124bb
[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] 5b7646c3421c9b853568291fefca53dc87a318b0c215802c087804371023d7b6
[INFO] running `Command { std: "docker" "start" "-a" "5b7646c3421c9b853568291fefca53dc87a318b0c215802c087804371023d7b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling bulut v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/error.rs:13:19
[INFO] [stdout]    |
[INFO] [stdout] 13 |         match self.clone() {
[INFO] [stdout]    |                   ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `VmError` does not implement `Clone`, so calling `clone` on `&VmError` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout] 13 -         match self.clone() {
[INFO] [stdout] 13 +         match self {
[INFO] [stdout]    |
[INFO] [stdout] help: if you meant to clone `VmError`, implement `Clone` for it
[INFO] [stdout]    |
[INFO] [stdout] 4  + #[derive(Clone)]
[INFO] [stdout] 5  | pub enum VmError {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/error.rs:13:19
[INFO] [stdout]    |
[INFO] [stdout] 13 |         match self.clone() {
[INFO] [stdout]    |                   ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `VmError` does not implement `Clone`, so calling `clone` on `&VmError` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout] 13 -         match self.clone() {
[INFO] [stdout] 13 +         match self {
[INFO] [stdout]    |
[INFO] [stdout] help: if you meant to clone `VmError`, implement `Clone` for it
[INFO] [stdout]    |
[INFO] [stdout] 4  + #[derive(Clone)]
[INFO] [stdout] 5  | pub enum VmError {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "5b7646c3421c9b853568291fefca53dc87a318b0c215802c087804371023d7b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b7646c3421c9b853568291fefca53dc87a318b0c215802c087804371023d7b6", kill_on_drop: false }`
[INFO] [stdout] 5b7646c3421c9b853568291fefca53dc87a318b0c215802c087804371023d7b6