[INFO] fetching crate trait-tactics-macros 0.1.0...
[INFO] testing trait-tactics-macros-0.1.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate trait-tactics-macros 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate trait-tactics-macros 0.1.0
[INFO] finished tweaking crates.io crate trait-tactics-macros 0.1.0
[INFO] tweaked toml for crates.io crate trait-tactics-macros 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate trait-tactics-macros 0.1.0 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 6 packages to latest compatible versions
[INFO] [stderr]       Adding itertools v0.12.1 (available: v0.14.0)
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 90803aaf349d89d51e622f4e71575485f8e31a6eb2a35ace78f462484d8706d5
[INFO] running `Command { std: "docker" "start" "-a" "90803aaf349d89d51e622f4e71575485f8e31a6eb2a35ace78f462484d8706d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90803aaf349d89d51e622f4e71575485f8e31a6eb2a35ace78f462484d8706d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90803aaf349d89d51e622f4e71575485f8e31a6eb2a35ace78f462484d8706d5", kill_on_drop: false }`
[INFO] [stdout] 90803aaf349d89d51e622f4e71575485f8e31a6eb2a35ace78f462484d8706d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] fa31b7ee1e352d5291e8700d9848dd97a815cddb95890abe86c910c668eb5abc
[INFO] running `Command { std: "docker" "start" "-a" "fa31b7ee1e352d5291e8700d9848dd97a815cddb95890abe86c910c668eb5abc", kill_on_drop: false }`
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]    Compiling trait-tactics-macros v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `ReturnTypeExt` is never used
[INFO] [stdout]    --> src/lib.rs:122:7
[INFO] [stdout]     |
[INFO] [stdout] 122 | trait ReturnTypeExt {
[INFO] [stdout]     |       ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.72s
[INFO] running `Command { std: "docker" "inspect" "fa31b7ee1e352d5291e8700d9848dd97a815cddb95890abe86c910c668eb5abc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa31b7ee1e352d5291e8700d9848dd97a815cddb95890abe86c910c668eb5abc", kill_on_drop: false }`
[INFO] [stdout] fa31b7ee1e352d5291e8700d9848dd97a815cddb95890abe86c910c668eb5abc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 93d08fcd028eb64d318bed17cefe4a26f2a17b11cc9e1e4774bcae22b231b43c
[INFO] running `Command { std: "docker" "start" "-a" "93d08fcd028eb64d318bed17cefe4a26f2a17b11cc9e1e4774bcae22b231b43c", kill_on_drop: false }`
[INFO] [stderr]    Compiling trait-tactics-macros v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `ReturnTypeExt` is never used
[INFO] [stdout]    --> src/lib.rs:122:7
[INFO] [stdout]     |
[INFO] [stdout] 122 | trait ReturnTypeExt {
[INFO] [stdout]     |       ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ReturnTypeExt` is never used
[INFO] [stdout]    --> src/lib.rs:122:7
[INFO] [stdout]     |
[INFO] [stdout] 122 | trait ReturnTypeExt {
[INFO] [stdout]     |       ^^^^^^^^^^^^^
[INFO] [stdout]     |
[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 0.55s
[INFO] running `Command { std: "docker" "inspect" "93d08fcd028eb64d318bed17cefe4a26f2a17b11cc9e1e4774bcae22b231b43c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93d08fcd028eb64d318bed17cefe4a26f2a17b11cc9e1e4774bcae22b231b43c", kill_on_drop: false }`
[INFO] [stdout] 93d08fcd028eb64d318bed17cefe4a26f2a17b11cc9e1e4774bcae22b231b43c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] e52b97ceed1644531a489264bf24f9b27e8bd12679e74d7b4f3a3f9bb4d1f25e
[INFO] running `Command { std: "docker" "start" "-a" "e52b97ceed1644531a489264bf24f9b27e8bd12679e74d7b4f3a3f9bb4d1f25e", kill_on_drop: false }`
[INFO] [stderr] warning: trait `ReturnTypeExt` is never used
[INFO] [stderr]    --> src/lib.rs:122:7
[INFO] [stderr]     |
[INFO] [stderr] 122 | trait ReturnTypeExt {
[INFO] [stderr]     |       ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `trait-tactics-macros` (lib) generated 1 warning
[INFO] [stderr] warning: `trait-tactics-macros` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/trait_tactics_macros-6fd19e474f581bbd)
[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 trait_tactics_macros
[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] running `Command { std: "docker" "inspect" "e52b97ceed1644531a489264bf24f9b27e8bd12679e74d7b4f3a3f9bb4d1f25e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e52b97ceed1644531a489264bf24f9b27e8bd12679e74d7b4f3a3f9bb4d1f25e", kill_on_drop: false }`
[INFO] [stdout] e52b97ceed1644531a489264bf24f9b27e8bd12679e74d7b4f3a3f9bb4d1f25e