[INFO] fetching crate rotate-enum 0.1.2...
[INFO] testing rotate-enum-0.1.2 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate rotate-enum 0.1.2 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate rotate-enum 0.1.2
[INFO] finished tweaking crates.io crate rotate-enum 0.1.2
[INFO] tweaked toml for crates.io crate rotate-enum 0.1.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rotate-enum 0.1.2 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.117)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 04cbb92457d22285a64d4adda1bc0d8aae597c71880a15f7b3eaabe905fbd529
[INFO] running `Command { std: "docker" "start" "-a" "04cbb92457d22285a64d4adda1bc0d8aae597c71880a15f7b3eaabe905fbd529", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "04cbb92457d22285a64d4adda1bc0d8aae597c71880a15f7b3eaabe905fbd529", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04cbb92457d22285a64d4adda1bc0d8aae597c71880a15f7b3eaabe905fbd529", kill_on_drop: false }`
[INFO] [stdout] 04cbb92457d22285a64d4adda1bc0d8aae597c71880a15f7b3eaabe905fbd529
[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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a29ce91541b7e73c806db787996bef7020e826bcee054faa4bcb225497f5a2e
[INFO] running `Command { std: "docker" "start" "-a" "8a29ce91541b7e73c806db787996bef7020e826bcee054faa4bcb225497f5a2e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling rotate-enum v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/lib.rs:218:18
[INFO] [stdout]     |
[INFO] [stdout] 218 |         .map(|v| (&v.ident))
[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] 218 -         .map(|v| (&v.ident))
[INFO] [stdout] 218 +         .map(|v| &v.ident)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.03s
[INFO] running `Command { std: "docker" "inspect" "8a29ce91541b7e73c806db787996bef7020e826bcee054faa4bcb225497f5a2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a29ce91541b7e73c806db787996bef7020e826bcee054faa4bcb225497f5a2e", kill_on_drop: false }`
[INFO] [stdout] 8a29ce91541b7e73c806db787996bef7020e826bcee054faa4bcb225497f5a2e
[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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eae0505184e9c5923027f5fa6579c28a6e16cc1c199075a24809b5abeba938d7
[INFO] running `Command { std: "docker" "start" "-a" "eae0505184e9c5923027f5fa6579c28a6e16cc1c199075a24809b5abeba938d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling rotate-enum v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/lib.rs:218:18
[INFO] [stdout]     |
[INFO] [stdout] 218 |         .map(|v| (&v.ident))
[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] 218 -         .map(|v| (&v.ident))
[INFO] [stdout] 218 +         .map(|v| &v.ident)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/lib.rs:218:18
[INFO] [stdout]     |
[INFO] [stdout] 218 |         .map(|v| (&v.ident))
[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] 218 -         .map(|v| (&v.ident))
[INFO] [stdout] 218 +         .map(|v| &v.ident)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 5.55s
[INFO] running `Command { std: "docker" "inspect" "eae0505184e9c5923027f5fa6579c28a6e16cc1c199075a24809b5abeba938d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eae0505184e9c5923027f5fa6579c28a6e16cc1c199075a24809b5abeba938d7", kill_on_drop: false }`
[INFO] [stdout] eae0505184e9c5923027f5fa6579c28a6e16cc1c199075a24809b5abeba938d7
[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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9c6386647d0a713535732b8e8bc52eabd9e9cd4130dd86cef2e3510b28e44dbe
[INFO] running `Command { std: "docker" "start" "-a" "9c6386647d0a713535732b8e8bc52eabd9e9cd4130dd86cef2e3510b28e44dbe", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around closure body
[INFO] [stderr]    --> src/lib.rs:218:18
[INFO] [stderr]     |
[INFO] [stderr] 218 |         .map(|v| (&v.ident))
[INFO] [stderr]     |                  ^        ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 218 -         .map(|v| (&v.ident))
[INFO] [stderr] 218 +         .map(|v| &v.ident)
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `rotate-enum` (lib) generated 1 warning (run `cargo fix --lib -p rotate-enum` to apply 1 suggestion)
[INFO] [stderr] warning: `rotate-enum` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rotate_enum-2cdbb0d726a23d60)
[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]      Running tests/iter.rs (/opt/rustwide/target/debug/deps/iter-cb788f68398719d5)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_shift ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/rotate.rs (/opt/rustwide/target/debug/deps/rotate-edb80e1f5afe9298)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_rotate ... ok
[INFO] [stdout] 
[INFO] [stderr]      Running tests/shift.rs (/opt/rustwide/target/debug/deps/shift-80d801285228ff2a)
[INFO] [stdout] test result: ok. 1 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 test_shift ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rotate_enum
[INFO] [stderr] warning: unnecessary parentheses around closure body
[INFO] [stderr]    --> src/lib.rs:218:18
[INFO] [stderr]     |
[INFO] [stderr] 218 |         .map(|v| (&v.ident))
[INFO] [stderr]     |                  ^        ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 218 -         .map(|v| (&v.ident))
[INFO] [stderr] 218 +         .map(|v| &v.ident)
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/lib.rs - (line 9) ... ok
[INFO] [stdout] test src/lib.rs - (line 20) ... ok
[INFO] [stdout] test src/lib.rs - (line 87) ... ok
[INFO] [stdout] test src/lib.rs - (line 138) ... ok
[INFO] [stdout] test src/lib.rs - rotate_enum (line 176) ... ok
[INFO] [stdout] test src/lib.rs - iter_enum (line 345) ... ok
[INFO] [stdout] test src/lib.rs - (line 54) ... ok
[INFO] [stdout] test src/lib.rs - (line 113) ... ok
[INFO] [stdout] test src/lib.rs - shift_enum (line 257) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.66s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9c6386647d0a713535732b8e8bc52eabd9e9cd4130dd86cef2e3510b28e44dbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c6386647d0a713535732b8e8bc52eabd9e9cd4130dd86cef2e3510b28e44dbe", kill_on_drop: false }`
[INFO] [stdout] 9c6386647d0a713535732b8e8bc52eabd9e9cd4130dd86cef2e3510b28e44dbe