[INFO] fetching crate free-wrap 0.1.0...
[INFO] testing free-wrap-0.1.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate free-wrap 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate free-wrap 0.1.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate free-wrap 0.1.0
[INFO] tweaked toml for crates.io crate free-wrap 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate free-wrap 0.1.0 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate free-wrap 0.1.0 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" "+562dee4820c458d823175268e41601d4c060588a" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 909f12a2ecf1d7e4f00ba3ab22421ed055c537c10233ffbda5ff6908ffa1e4e8
[INFO] running `Command { std: "docker" "start" "-a" "909f12a2ecf1d7e4f00ba3ab22421ed055c537c10233ffbda5ff6908ffa1e4e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "909f12a2ecf1d7e4f00ba3ab22421ed055c537c10233ffbda5ff6908ffa1e4e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "909f12a2ecf1d7e4f00ba3ab22421ed055c537c10233ffbda5ff6908ffa1e4e8", kill_on_drop: false }`
[INFO] [stdout] 909f12a2ecf1d7e4f00ba3ab22421ed055c537c10233ffbda5ff6908ffa1e4e8
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd4de399d516dbcb4c8b7579ec696716a3658a9d9eb1345ff3d8c6aeac831f8e
[INFO] running `Command { std: "docker" "start" "-a" "bd4de399d516dbcb4c8b7579ec696716a3658a9d9eb1345ff3d8c6aeac831f8e", kill_on_drop: false }`
[INFO] [stderr]    Compiling free-wrap v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] running `Command { std: "docker" "inspect" "bd4de399d516dbcb4c8b7579ec696716a3658a9d9eb1345ff3d8c6aeac831f8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd4de399d516dbcb4c8b7579ec696716a3658a9d9eb1345ff3d8c6aeac831f8e", kill_on_drop: false }`
[INFO] [stdout] bd4de399d516dbcb4c8b7579ec696716a3658a9d9eb1345ff3d8c6aeac831f8e
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 57e3ec73604e5c7f50b94f5af6ca9010536b3f19f6ebd7c45ab91a83aa92fdae
[INFO] running `Command { std: "docker" "start" "-a" "57e3ec73604e5c7f50b94f5af6ca9010536b3f19f6ebd7c45ab91a83aa92fdae", kill_on_drop: false }`
[INFO] [stderr]    Compiling free-wrap v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Container` is never constructed
[INFO] [stdout]  --> tests/generic_test.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Container<T> {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Container2` is never constructed
[INFO] [stdout]  --> tests/generic_test.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Container2<T: Clone + std::fmt::Debug, U> {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Container3` is never constructed
[INFO] [stdout]   --> tests/generic_test.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Container3<'a: 'b + 'c, 'b: 'c, 'c> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Container4` is never constructed
[INFO] [stdout]   --> tests/generic_test.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | struct Container4<'a: 'b + 'c, 'b: 'c, 'c, T, U> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.43s
[INFO] running `Command { std: "docker" "inspect" "57e3ec73604e5c7f50b94f5af6ca9010536b3f19f6ebd7c45ab91a83aa92fdae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57e3ec73604e5c7f50b94f5af6ca9010536b3f19f6ebd7c45ab91a83aa92fdae", kill_on_drop: false }`
[INFO] [stdout] 57e3ec73604e5c7f50b94f5af6ca9010536b3f19f6ebd7c45ab91a83aa92fdae
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 04589c10435c53889f461de7cf62a003ef24e4b2445084f3926ab9b43ca27a26
[INFO] running `Command { std: "docker" "start" "-a" "04589c10435c53889f461de7cf62a003ef24e4b2445084f3926ab9b43ca27a26", kill_on_drop: false }`
[INFO] [stderr] warning: struct `Container` is never constructed
[INFO] [stderr]  --> tests/generic_test.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | struct Container<T> {
[INFO] [stderr]   |        ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Container2` is never constructed
[INFO] [stderr]  --> tests/generic_test.rs:7:8
[INFO] [stderr]   |
[INFO] [stderr] 7 | struct Container2<T: Clone + std::fmt::Debug, U> {
[INFO] [stderr]   |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Container3` is never constructed
[INFO] [stderr]   --> tests/generic_test.rs:12:8
[INFO] [stderr]    |
[INFO] [stderr] 12 | struct Container3<'a: 'b + 'c, 'b: 'c, 'c> {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Container4` is never constructed
[INFO] [stderr]   --> tests/generic_test.rs:18:8
[INFO] [stderr]    |
[INFO] [stderr] 18 | struct Container4<'a: 'b + 'c, 'b: 'c, 'c, T, U> {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `free-wrap` (test "generic_test") generated 4 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/free_wrap-1167c7bedb975453)
[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/generic_test.rs (/opt/rustwide/target/debug/deps/generic_test-26b2998b0994d726)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_wrap ... 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/simple_test.rs (/opt/rustwide/target/debug/deps/simple_test-734fca9dacd5cf4f)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_simple ... ok
[INFO] [stdout] test test_with_derive ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/wrap_test.rs (/opt/rustwide/target/debug/deps/wrap_test-9cb5d51b7409e625)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_generic_wrapper ... ok
[INFO] [stdout] test test_simple_wrapper ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests free_wrap
[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" "04589c10435c53889f461de7cf62a003ef24e4b2445084f3926ab9b43ca27a26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04589c10435c53889f461de7cf62a003ef24e4b2445084f3926ab9b43ca27a26", kill_on_drop: false }`
[INFO] [stdout] 04589c10435c53889f461de7cf62a003ef24e4b2445084f3926ab9b43ca27a26