[INFO] fetching crate trapper 2.0.0...
[INFO] testing trapper-2.0.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate trapper 2.0.0 into /workspace/builds/worker-117/source
[INFO] validating manifest of crates.io crate trapper 2.0.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate trapper 2.0.0
[INFO] finished tweaking crates.io crate trapper 2.0.0
[INFO] tweaked toml for crates.io crate trapper 2.0.0 written to /workspace/builds/worker-117/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d2abb91779e079afd643a4af98799f91061e7c84b2cc63423d8dba19f7b9ca2
[INFO] running `Command { std: "docker" "start" "-a" "7d2abb91779e079afd643a4af98799f91061e7c84b2cc63423d8dba19f7b9ca2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d2abb91779e079afd643a4af98799f91061e7c84b2cc63423d8dba19f7b9ca2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d2abb91779e079afd643a4af98799f91061e7c84b2cc63423d8dba19f7b9ca2", kill_on_drop: false }`
[INFO] [stdout] 7d2abb91779e079afd643a4af98799f91061e7c84b2cc63423d8dba19f7b9ca2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6893c5c47fb8b042571cdf5a61a78dd75c203d9222fc5e8c99f5ad1416943d41
[INFO] running `Command { std: "docker" "start" "-a" "6893c5c47fb8b042571cdf5a61a78dd75c203d9222fc5e8c99f5ad1416943d41", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling trapper_macro v1.0.0
[INFO] [stderr]    Compiling trapper v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.74s
[INFO] running `Command { std: "docker" "inspect" "6893c5c47fb8b042571cdf5a61a78dd75c203d9222fc5e8c99f5ad1416943d41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6893c5c47fb8b042571cdf5a61a78dd75c203d9222fc5e8c99f5ad1416943d41", kill_on_drop: false }`
[INFO] [stdout] 6893c5c47fb8b042571cdf5a61a78dd75c203d9222fc5e8c99f5ad1416943d41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f6a1988c7c9e20bf56aecdcd59da2277655da22165962cf1d0db7b0c4bc99e1
[INFO] running `Command { std: "docker" "start" "-a" "4f6a1988c7c9e20bf56aecdcd59da2277655da22165962cf1d0db7b0c4bc99e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling trapper v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "4f6a1988c7c9e20bf56aecdcd59da2277655da22165962cf1d0db7b0c4bc99e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f6a1988c7c9e20bf56aecdcd59da2277655da22165962cf1d0db7b0c4bc99e1", kill_on_drop: false }`
[INFO] [stdout] 4f6a1988c7c9e20bf56aecdcd59da2277655da22165962cf1d0db7b0c4bc99e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ba0ea7b68b13c8b28bb3b4746804cd6030be729e1213ed9fe8044a799d15a694
[INFO] running `Command { std: "docker" "start" "-a" "ba0ea7b68b13c8b28bb3b4746804cd6030be729e1213ed9fe8044a799d15a694", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/trapper-6522fe72cc2ab946)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests trapper
[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] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - Wrapper::unwrap_ref (line 85) ... ok
[INFO] [stdout] test src/lib.rs - Wrapper::wrap (line 19) ... ok
[INFO] [stdout] test src/lib.rs - Wrapper::unwrap (line 34) ... ok
[INFO] [stdout] test src/lib.rs - Wrapper::unwrap_mut (line 102) ... ok
[INFO] [stdout] test src/lib.rs - Wrapper::wrap_ref (line 49) ... ok
[INFO] [stdout] test src/lib.rs - Wrapper::wrap_mut (line 65) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.34s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ba0ea7b68b13c8b28bb3b4746804cd6030be729e1213ed9fe8044a799d15a694", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba0ea7b68b13c8b28bb3b4746804cd6030be729e1213ed9fe8044a799d15a694", kill_on_drop: false }`
[INFO] [stdout] ba0ea7b68b13c8b28bb3b4746804cd6030be729e1213ed9fe8044a799d15a694