[INFO] fetching crate forge 0.1.0...
[INFO] checking forge-0.1.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate forge 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate forge 0.1.0 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 forge 0.1.0
[INFO] finished tweaking crates.io crate forge 0.1.0
[INFO] tweaked toml for crates.io crate forge 0.1.0 written to /workspace/builds/worker-0-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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 10 packages to latest compatible versions
[INFO] [stderr]       Adding rustc_version v0.2.3 (available: v0.4.1)
[INFO] [stderr]       Adding semver v0.9.0 (available: v1.0.23)
[INFO] [stderr]       Adding semver-parser v0.7.0 (available: v0.10.2)
[INFO] [stderr]       Adding toml v0.4.10 (available: v0.8.19)
[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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] c4a9441c2a018e6b45fa1198f7846ad00966ad259cf35a6669b33eb57c2bdeb4
[INFO] running `Command { std: "docker" "start" "-a" "c4a9441c2a018e6b45fa1198f7846ad00966ad259cf35a6669b33eb57c2bdeb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4a9441c2a018e6b45fa1198f7846ad00966ad259cf35a6669b33eb57c2bdeb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4a9441c2a018e6b45fa1198f7846ad00966ad259cf35a6669b33eb57c2bdeb4", kill_on_drop: false }`
[INFO] [stdout] c4a9441c2a018e6b45fa1198f7846ad00966ad259cf35a6669b33eb57c2bdeb4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 917a593231b6b675f81889f0131a93a7cb8ec263f53ec32167440f367084871e
[INFO] running `Command { std: "docker" "start" "-a" "917a593231b6b675f81889f0131a93a7cb8ec263f53ec32167440f367084871e", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking rustc_version v0.2.3
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.79
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking forge v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variants `Success` and `Warning` are never constructed
[INFO] [stdout]  --> src/log.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub enum Level {
[INFO] [stdout]   |          ----- variants in this enum
[INFO] [stdout] 4 |     Success,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 5 |     Warning,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `success` is never used
[INFO] [stdout]   --> src/log.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn success(s: &str) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `warn` is never used
[INFO] [stdout]   --> src/log.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn warn(s: &str) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Cargo` is never constructed
[INFO] [stdout]   --> src/cargo.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub enum Flavor {
[INFO] [stdout]    |          ------ variant in this enum
[INFO] [stdout] 11 |     Cargo,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `verbose` and `version` are never used
[INFO] [stdout]   --> src/cli.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Args {
[INFO] [stdout]    | --------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub fn verbose(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub fn version(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Success` and `Warning` are never constructed
[INFO] [stdout]  --> src/log.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub enum Level {
[INFO] [stdout]   |          ----- variants in this enum
[INFO] [stdout] 4 |     Success,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 5 |     Warning,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `success` is never used
[INFO] [stdout]   --> src/log.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn success(s: &str) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `warn` is never used
[INFO] [stdout]   --> src/log.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn warn(s: &str) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Cargo` is never constructed
[INFO] [stdout]   --> src/cargo.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub enum Flavor {
[INFO] [stdout]    |          ------ variant in this enum
[INFO] [stdout] 11 |     Cargo,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `verbose` and `version` are never used
[INFO] [stdout]   --> src/cli.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Args {
[INFO] [stdout]    | --------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub fn verbose(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub fn version(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.81s
[INFO] running `Command { std: "docker" "inspect" "917a593231b6b675f81889f0131a93a7cb8ec263f53ec32167440f367084871e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "917a593231b6b675f81889f0131a93a7cb8ec263f53ec32167440f367084871e", kill_on_drop: false }`
[INFO] [stdout] 917a593231b6b675f81889f0131a93a7cb8ec263f53ec32167440f367084871e