[INFO] fetching crate sfo-result 0.2.11...
[INFO] building sfo-result-0.2.11 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate sfo-result 0.2.11 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate sfo-result 0.2.11
[INFO] finished tweaking crates.io crate sfo-result 0.2.11
[INFO] tweaked toml for crates.io crate sfo-result 0.2.11 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate sfo-result 0.2.11 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate sfo-result 0.2.11 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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b45a429cf4ae04d7c5a49942a49e220ae136cf32cf08c3cd9942d7a859efd872
[INFO] running `Command { std: "docker" "start" "-a" "b45a429cf4ae04d7c5a49942a49e220ae136cf32cf08c3cd9942d7a859efd872", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b45a429cf4ae04d7c5a49942a49e220ae136cf32cf08c3cd9942d7a859efd872", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b45a429cf4ae04d7c5a49942a49e220ae136cf32cf08c3cd9942d7a859efd872", kill_on_drop: false }`
[INFO] [stdout] b45a429cf4ae04d7c5a49942a49e220ae136cf32cf08c3cd9942d7a859efd872
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4748874d76bb4b5041eced3e9a5612d2d44b0723d265e845d4ad9d642b934a2c
[INFO] running `Command { std: "docker" "start" "-a" "4748874d76bb4b5041eced3e9a5612d2d44b0723d265e845d4ad9d642b934a2c", kill_on_drop: false }`
[INFO] [stderr]    Compiling sfo-result v0.2.11 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/lib.rs:25:24
[INFO] [stdout]    |
[INFO] [stdout] 25 |     source: Option<Box<(dyn std::error::Error + 'static + Send + Sync)>>,
[INFO] [stdout]    |                        ^                                             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 25 -     source: Option<Box<(dyn std::error::Error + 'static + Send + Sync)>>,
[INFO] [stdout] 25 +     source: Option<Box<dyn std::error::Error + 'static + Send + Sync>>,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "4748874d76bb4b5041eced3e9a5612d2d44b0723d265e845d4ad9d642b934a2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4748874d76bb4b5041eced3e9a5612d2d44b0723d265e845d4ad9d642b934a2c", kill_on_drop: false }`
[INFO] [stdout] 4748874d76bb4b5041eced3e9a5612d2d44b0723d265e845d4ad9d642b934a2c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f348e87d0cc1f445e4e64e0f7d2bf02c307fae61ab8bbc1d082ee2d054fdd500
[INFO] running `Command { std: "docker" "start" "-a" "f348e87d0cc1f445e4e64e0f7d2bf02c307fae61ab8bbc1d082ee2d054fdd500", kill_on_drop: false }`
[INFO] [stderr]    Compiling sfo-result v0.2.11 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/lib.rs:25:24
[INFO] [stdout]    |
[INFO] [stdout] 25 |     source: Option<Box<(dyn std::error::Error + 'static + Send + Sync)>>,
[INFO] [stdout]    |                        ^                                             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 25 -     source: Option<Box<(dyn std::error::Error + 'static + Send + Sync)>>,
[INFO] [stdout] 25 +     source: Option<Box<dyn std::error::Error + 'static + Send + Sync>>,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/lib.rs:25:24
[INFO] [stdout]    |
[INFO] [stdout] 25 |     source: Option<Box<(dyn std::error::Error + 'static + Send + Sync)>>,
[INFO] [stdout]    |                        ^                                             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 25 -     source: Option<Box<(dyn std::error::Error + 'static + Send + Sync)>>,
[INFO] [stdout] 25 +     source: Option<Box<dyn std::error::Error + 'static + Send + Sync>>,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Test2` is never constructed
[INFO] [stdout]    --> src/lib.rs:312:9
[INFO] [stdout]     |
[INFO] [stdout] 309 |     pub enum TestCode {
[INFO] [stdout]     |              -------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 312 |         Test2,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `TestCode` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "f348e87d0cc1f445e4e64e0f7d2bf02c307fae61ab8bbc1d082ee2d054fdd500", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f348e87d0cc1f445e4e64e0f7d2bf02c307fae61ab8bbc1d082ee2d054fdd500", kill_on_drop: false }`
[INFO] [stdout] f348e87d0cc1f445e4e64e0f7d2bf02c307fae61ab8bbc1d082ee2d054fdd500