[INFO] fetching crate auto_from 0.3.0...
[INFO] testing auto_from-0.3.0 against master#1871252fc8bb672d40787e67404e6eaae7059369 for pr-125151
[INFO] extracting crate auto_from 0.3.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate auto_from 0.3.0 on toolchain 1871252fc8bb672d40787e67404e6eaae7059369
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate auto_from 0.3.0
[INFO] finished tweaking crates.io crate auto_from 0.3.0
[INFO] tweaked toml for crates.io crate auto_from 0.3.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[INFO] [stderr]       Adding proc-macro2 v0.4.30 (latest: v1.0.83)
[INFO] [stderr]       Adding quote v0.6.13 (latest: v1.0.36)
[INFO] [stderr]       Adding syn v0.15.44 (latest: v2.0.66)
[INFO] [stderr]       Adding unicode-xid v0.1.0 (latest: v0.2.4)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3753d221a9c95e77318cd7789f249ba5e3af39905887d2f99254c39a5b26f7ca
[INFO] running `Command { std: "docker" "start" "-a" "3753d221a9c95e77318cd7789f249ba5e3af39905887d2f99254c39a5b26f7ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3753d221a9c95e77318cd7789f249ba5e3af39905887d2f99254c39a5b26f7ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3753d221a9c95e77318cd7789f249ba5e3af39905887d2f99254c39a5b26f7ca", kill_on_drop: false }`
[INFO] [stdout] 3753d221a9c95e77318cd7789f249ba5e3af39905887d2f99254c39a5b26f7ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 18c695f4776777c50ae9ac2f5a311f876e94f33f07bb2e0e3c2988a73e870b13
[INFO] running `Command { std: "docker" "start" "-a" "18c695f4776777c50ae9ac2f5a311f876e94f33f07bb2e0e3c2988a73e870b13", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling auto_from v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&syn::Field` instead of cloning the inner type
[INFO] [stdout]   --> src/lib.rs:79:69
[INFO] [stdout]    |
[INFO] [stdout] 79 |             Some(ref pair) if named.named.len() == 1 => pair.value().clone(),
[INFO] [stdout]    |                                                                     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&syn::Field` instead of cloning the inner type
[INFO] [stdout]   --> src/lib.rs:83:73
[INFO] [stdout]    |
[INFO] [stdout] 83 |             Some(ref pair) if unnamed.unnamed.len() == 1 => pair.value().clone(),
[INFO] [stdout]    |                                                                         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.24s
[INFO] running `Command { std: "docker" "inspect" "18c695f4776777c50ae9ac2f5a311f876e94f33f07bb2e0e3c2988a73e870b13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18c695f4776777c50ae9ac2f5a311f876e94f33f07bb2e0e3c2988a73e870b13", kill_on_drop: false }`
[INFO] [stdout] 18c695f4776777c50ae9ac2f5a311f876e94f33f07bb2e0e3c2988a73e870b13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ed08deb1511985533ddcc507879877a655de64eb4289f1540a5a816edb4d59a
[INFO] running `Command { std: "docker" "start" "-a" "7ed08deb1511985533ddcc507879877a655de64eb4289f1540a5a816edb4d59a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling auto_from v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&syn::Field` instead of cloning the inner type
[INFO] [stdout]   --> src/lib.rs:79:69
[INFO] [stdout]    |
[INFO] [stdout] 79 |             Some(ref pair) if named.named.len() == 1 => pair.value().clone(),
[INFO] [stdout]    |                                                                     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&syn::Field` instead of cloning the inner type
[INFO] [stdout]   --> src/lib.rs:83:73
[INFO] [stdout]    |
[INFO] [stdout] 83 |             Some(ref pair) if unnamed.unnamed.len() == 1 => pair.value().clone(),
[INFO] [stdout]    |                                                                         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&syn::Field` instead of cloning the inner type
[INFO] [stdout]   --> src/lib.rs:79:69
[INFO] [stdout]    |
[INFO] [stdout] 79 |             Some(ref pair) if named.named.len() == 1 => pair.value().clone(),
[INFO] [stdout]    |                                                                     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&syn::Field` instead of cloning the inner type
[INFO] [stdout]   --> src/lib.rs:83:73
[INFO] [stdout]    |
[INFO] [stdout] 83 |             Some(ref pair) if unnamed.unnamed.len() == 1 => pair.value().clone(),
[INFO] [stdout]    |                                                                         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> examples/skip.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Int(i32),
[INFO] [stdout]   |     --- ^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[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] 7 |     Int(()),
[INFO] [stdout]   |         ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> examples/skip.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Double(f64),
[INFO] [stdout]   |     ------ ^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[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] 8 |     Double(()),
[INFO] [stdout]   |            ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `SkippedInt` is never constructed
[INFO] [stdout]  --> examples/skip.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | enum Foo {
[INFO] [stdout]   |      --- variant in this enum
[INFO] [stdout] 5 |     #[auto_from(skip)]
[INFO] [stdout] 6 |     SkippedInt(i32),
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Foo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> examples/basic.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Int(i32),
[INFO] [stdout]   |     --- ^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[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] 5 |     Int(()),
[INFO] [stdout]   |         ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> examples/basic.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Double(f64),
[INFO] [stdout]   |     ------ ^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[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] 6 |     Double(()),
[INFO] [stdout]   |            ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> examples/named_fields.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Int(i32),
[INFO] [stdout]   |     --- ^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[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] 5 |     Int(()),
[INFO] [stdout]   |         ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]  --> examples/named_fields.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Long { value: i64 },
[INFO] [stdout]   |     ----   ^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 9.85s
[INFO] running `Command { std: "docker" "inspect" "7ed08deb1511985533ddcc507879877a655de64eb4289f1540a5a816edb4d59a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ed08deb1511985533ddcc507879877a655de64eb4289f1540a5a816edb4d59a", kill_on_drop: false }`
[INFO] [stdout] 7ed08deb1511985533ddcc507879877a655de64eb4289f1540a5a816edb4d59a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 781d69886dac0898297818700f5b0e6e7aace937ff7d1f2b6335d2d8ebabf714
[INFO] running `Command { std: "docker" "start" "-a" "781d69886dac0898297818700f5b0e6e7aace937ff7d1f2b6335d2d8ebabf714", kill_on_drop: false }`
[INFO] [stderr] warning: using `.clone()` on a double reference, which returns `&syn::Field` instead of cloning the inner type
[INFO] [stderr]   --> src/lib.rs:79:69
[INFO] [stderr]    |
[INFO] [stderr] 79 |             Some(ref pair) if named.named.len() == 1 => pair.value().clone(),
[INFO] [stderr]    |                                                                     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: using `.clone()` on a double reference, which returns `&syn::Field` instead of cloning the inner type
[INFO] [stderr]   --> src/lib.rs:83:73
[INFO] [stderr]    |
[INFO] [stderr] 83 |             Some(ref pair) if unnamed.unnamed.len() == 1 => pair.value().clone(),
[INFO] [stderr]    |                                                                         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `auto_from` (lib) generated 2 warnings
[INFO] [stderr] warning: `auto_from` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]  --> examples/basic.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 |     Int(i32),
[INFO] [stderr]   |     --- ^^^
[INFO] [stderr]   |     |
[INFO] [stderr]   |     field in this variant
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]   |
[INFO] [stderr] 5 |     Int(()),
[INFO] [stderr]   |         ~~
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]  --> examples/basic.rs:6:12
[INFO] [stderr]   |
[INFO] [stderr] 6 |     Double(f64),
[INFO] [stderr]   |     ------ ^^^
[INFO] [stderr]   |     |
[INFO] [stderr]   |     field in this variant
[INFO] [stderr]   |
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]   |
[INFO] [stderr] 6 |     Double(()),
[INFO] [stderr]   |            ~~
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]  --> examples/skip.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 |     Int(i32),
[INFO] [stderr]   |     --- ^^^
[INFO] [stderr]   |     |
[INFO] [stderr]   |     field in this variant
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]   |
[INFO] [stderr] 7 |     Int(()),
[INFO] [stderr]   |         ~~
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]  --> examples/skip.rs:8:12
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Double(f64),
[INFO] [stderr]   |     ------ ^^^
[INFO] [stderr]   |     |
[INFO] [stderr]   |     field in this variant
[INFO] [stderr]   |
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Double(()),
[INFO] [stderr]   |            ~~
[INFO] [stderr] 
[INFO] [stderr] warning: variant `SkippedInt` is never constructed
[INFO] [stderr]  --> examples/skip.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | enum Foo {
[INFO] [stderr]   |      --- variant in this enum
[INFO] [stderr] 5 |     #[auto_from(skip)]
[INFO] [stderr] 6 |     SkippedInt(i32),
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Foo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]  --> examples/named_fields.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 |     Int(i32),
[INFO] [stderr]   |     --- ^^^
[INFO] [stderr]   |     |
[INFO] [stderr]   |     field in this variant
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]   |
[INFO] [stderr] 5 |     Int(()),
[INFO] [stderr]   |         ~~
[INFO] [stderr] 
[INFO] [stderr] warning: field `value` is never read
[INFO] [stderr]  --> examples/named_fields.rs:6:12
[INFO] [stderr]   |
[INFO] [stderr] 6 |     Long { value: i64 },
[INFO] [stderr]   |     ----   ^^^^^
[INFO] [stderr]   |     |
[INFO] [stderr]   |     field in this variant
[INFO] [stderr] 
[INFO] [stderr] warning: `auto_from` (example "basic") generated 2 warnings
[INFO] [stderr] warning: `auto_from` (example "skip") generated 3 warnings
[INFO] [stderr] warning: `auto_from` (example "named_fields") generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/auto_from-f1903df521bdc2c7)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests auto_from
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 6) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.35s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "781d69886dac0898297818700f5b0e6e7aace937ff7d1f2b6335d2d8ebabf714", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "781d69886dac0898297818700f5b0e6e7aace937ff7d1f2b6335d2d8ebabf714", kill_on_drop: false }`
[INFO] [stdout] 781d69886dac0898297818700f5b0e6e7aace937ff7d1f2b6335d2d8ebabf714
[INFO] testing auto_from-0.3.0 against try#b642703cf9526da1e72c0b6755753b939a9c6b6d for pr-125151
[INFO] extracting crate auto_from 0.3.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate auto_from 0.3.0 on toolchain b642703cf9526da1e72c0b6755753b939a9c6b6d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate auto_from 0.3.0
[INFO] finished tweaking crates.io crate auto_from 0.3.0
[INFO] tweaked toml for crates.io crate auto_from 0.3.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[INFO] [stderr]       Adding proc-macro2 v0.4.30 (latest: v1.0.83)
[INFO] [stderr]       Adding quote v0.6.13 (latest: v1.0.36)
[INFO] [stderr]       Adding syn v0.15.44 (latest: v2.0.66)
[INFO] [stderr]       Adding unicode-xid v0.1.0 (latest: v0.2.4)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b4ba829efafb3c7037b7ca2f2c09c0a19a7f6351a68c7f32c0739bffa15d5be6
[INFO] running `Command { std: "docker" "start" "-a" "b4ba829efafb3c7037b7ca2f2c09c0a19a7f6351a68c7f32c0739bffa15d5be6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4ba829efafb3c7037b7ca2f2c09c0a19a7f6351a68c7f32c0739bffa15d5be6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4ba829efafb3c7037b7ca2f2c09c0a19a7f6351a68c7f32c0739bffa15d5be6", kill_on_drop: false }`
[INFO] [stdout] b4ba829efafb3c7037b7ca2f2c09c0a19a7f6351a68c7f32c0739bffa15d5be6
[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" "-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 794850ef1d7e62d7aede42af6237ecc5a129538e7410dd813ab554d333ace96c
[INFO] running `Command { std: "docker" "start" "-a" "794850ef1d7e62d7aede42af6237ecc5a129538e7410dd813ab554d333ace96c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling auto_from v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&syn::Field` instead of cloning the inner type
[INFO] [stdout]   --> src/lib.rs:79:69
[INFO] [stdout]    |
[INFO] [stdout] 79 |             Some(ref pair) if named.named.len() == 1 => pair.value().clone(),
[INFO] [stdout]    |                                                                     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&syn::Field` instead of cloning the inner type
[INFO] [stdout]   --> src/lib.rs:83:73
[INFO] [stdout]    |
[INFO] [stdout] 83 |             Some(ref pair) if unnamed.unnamed.len() == 1 => pair.value().clone(),
[INFO] [stdout]    |                                                                         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.23s
[INFO] running `Command { std: "docker" "inspect" "794850ef1d7e62d7aede42af6237ecc5a129538e7410dd813ab554d333ace96c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "794850ef1d7e62d7aede42af6237ecc5a129538e7410dd813ab554d333ace96c", kill_on_drop: false }`
[INFO] [stdout] 794850ef1d7e62d7aede42af6237ecc5a129538e7410dd813ab554d333ace96c
[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" "-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d76e667399bd7e4c325df334fb5cd5fede8abb8d570c055a157ce0055796e03c
[INFO] running `Command { std: "docker" "start" "-a" "d76e667399bd7e4c325df334fb5cd5fede8abb8d570c055a157ce0055796e03c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling auto_from v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&syn::Field` instead of cloning the inner type
[INFO] [stdout]   --> src/lib.rs:79:69
[INFO] [stdout]    |
[INFO] [stdout] 79 |             Some(ref pair) if named.named.len() == 1 => pair.value().clone(),
[INFO] [stdout]    |                                                                     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&syn::Field` instead of cloning the inner type
[INFO] [stdout]   --> src/lib.rs:83:73
[INFO] [stdout]    |
[INFO] [stdout] 83 |             Some(ref pair) if unnamed.unnamed.len() == 1 => pair.value().clone(),
[INFO] [stdout]    |                                                                         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&syn::Field` instead of cloning the inner type
[INFO] [stdout]   --> src/lib.rs:79:69
[INFO] [stdout]    |
[INFO] [stdout] 79 |             Some(ref pair) if named.named.len() == 1 => pair.value().clone(),
[INFO] [stdout]    |                                                                     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&syn::Field` instead of cloning the inner type
[INFO] [stdout]   --> src/lib.rs:83:73
[INFO] [stdout]    |
[INFO] [stdout] 83 |             Some(ref pair) if unnamed.unnamed.len() == 1 => pair.value().clone(),
[INFO] [stdout]    |                                                                         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> examples/skip.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Int(i32),
[INFO] [stdout]   |     --- ^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[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] 7 |     Int(()),
[INFO] [stdout]   |         ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> examples/skip.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Double(f64),
[INFO] [stdout]   |     ------ ^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[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] 8 |     Double(()),
[INFO] [stdout]   |            ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `SkippedInt` is never constructed
[INFO] [stdout]  --> examples/skip.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | enum Foo {
[INFO] [stdout]   |      --- variant in this enum
[INFO] [stdout] 5 |     #[auto_from(skip)]
[INFO] [stdout] 6 |     SkippedInt(i32),
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Foo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> examples/named_fields.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Int(i32),
[INFO] [stdout]   |     --- ^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[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] 5 |     Int(()),
[INFO] [stdout]   |         ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]  --> examples/named_fields.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Long { value: i64 },
[INFO] [stdout]   |     ----   ^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> examples/basic.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Int(i32),
[INFO] [stdout]   |     --- ^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[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] 5 |     Int(()),
[INFO] [stdout]   |         ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> examples/basic.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Double(f64),
[INFO] [stdout]   |     ------ ^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[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] 6 |     Double(()),
[INFO] [stdout]   |            ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 8.52s
[INFO] running `Command { std: "docker" "inspect" "d76e667399bd7e4c325df334fb5cd5fede8abb8d570c055a157ce0055796e03c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d76e667399bd7e4c325df334fb5cd5fede8abb8d570c055a157ce0055796e03c", kill_on_drop: false }`
[INFO] [stdout] d76e667399bd7e4c325df334fb5cd5fede8abb8d570c055a157ce0055796e03c
[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" "-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6279812d479c9ae3055495ba0e916ca77aa84031d2acc7f29b56813aa7ee7ace
[INFO] running `Command { std: "docker" "start" "-a" "6279812d479c9ae3055495ba0e916ca77aa84031d2acc7f29b56813aa7ee7ace", kill_on_drop: false }`
[INFO] [stderr] warning: using `.clone()` on a double reference, which returns `&syn::Field` instead of cloning the inner type
[INFO] [stderr]   --> src/lib.rs:79:69
[INFO] [stderr]    |
[INFO] [stderr] 79 |             Some(ref pair) if named.named.len() == 1 => pair.value().clone(),
[INFO] [stderr]    |                                                                     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: using `.clone()` on a double reference, which returns `&syn::Field` instead of cloning the inner type
[INFO] [stderr]   --> src/lib.rs:83:73
[INFO] [stderr]    |
[INFO] [stderr] 83 |             Some(ref pair) if unnamed.unnamed.len() == 1 => pair.value().clone(),
[INFO] [stderr]    |                                                                         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `auto_from` (lib) generated 2 warnings
[INFO] [stderr] warning: `auto_from` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]  --> examples/named_fields.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 |     Int(i32),
[INFO] [stderr]   |     --- ^^^
[INFO] [stderr]   |     |
[INFO] [stderr]   |     field in this variant
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]   |
[INFO] [stderr] 5 |     Int(()),
[INFO] [stderr]   |         ~~
[INFO] [stderr] 
[INFO] [stderr] warning: field `value` is never read
[INFO] [stderr]  --> examples/named_fields.rs:6:12
[INFO] [stderr]   |
[INFO] [stderr] 6 |     Long { value: i64 },
[INFO] [stderr]   |     ----   ^^^^^
[INFO] [stderr]   |     |
[INFO] [stderr]   |     field in this variant
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]  --> examples/basic.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 |     Int(i32),
[INFO] [stderr]   |     --- ^^^
[INFO] [stderr]   |     |
[INFO] [stderr]   |     field in this variant
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]   |
[INFO] [stderr] 5 |     Int(()),
[INFO] [stderr]   |         ~~
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]  --> examples/basic.rs:6:12
[INFO] [stderr]   |
[INFO] [stderr] 6 |     Double(f64),
[INFO] [stderr]   |     ------ ^^^
[INFO] [stderr]   |     |
[INFO] [stderr]   |     field in this variant
[INFO] [stderr]   |
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]   |
[INFO] [stderr] 6 |     Double(()),
[INFO] [stderr]   |            ~~
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]  --> examples/skip.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 |     Int(i32),
[INFO] [stderr]   |     --- ^^^
[INFO] [stderr]   |     |
[INFO] [stderr]   |     field in this variant
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]   |
[INFO] [stderr] 7 |     Int(()),
[INFO] [stderr]   |         ~~
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]  --> examples/skip.rs:8:12
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Double(f64),
[INFO] [stderr]   |     ------ ^^^
[INFO] [stderr]   |     |
[INFO] [stderr]   |     field in this variant
[INFO] [stderr]   |
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Double(()),
[INFO] [stderr]   |            ~~
[INFO] [stderr] 
[INFO] [stderr] warning: variant `SkippedInt` is never constructed
[INFO] [stderr]  --> examples/skip.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | enum Foo {
[INFO] [stderr]   |      --- variant in this enum
[INFO] [stderr] 5 |     #[auto_from(skip)]
[INFO] [stderr] 6 |     SkippedInt(i32),
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Foo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `auto_from` (example "named_fields") generated 2 warnings
[INFO] [stderr] warning: `auto_from` (example "basic") generated 2 warnings
[INFO] [stderr] warning: `auto_from` (example "skip") generated 3 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/auto_from-f1903df521bdc2c7)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests auto_from
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 6) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.29s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6279812d479c9ae3055495ba0e916ca77aa84031d2acc7f29b56813aa7ee7ace", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6279812d479c9ae3055495ba0e916ca77aa84031d2acc7f29b56813aa7ee7ace", kill_on_drop: false }`
[INFO] [stdout] 6279812d479c9ae3055495ba0e916ca77aa84031d2acc7f29b56813aa7ee7ace
