[INFO] fetching crate notify-debouncer-full 0.3.1...
[INFO] checking notify-debouncer-full-0.3.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate notify-debouncer-full 0.3.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate notify-debouncer-full 0.3.1 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate notify-debouncer-full 0.3.1
[INFO] finished tweaking crates.io crate notify-debouncer-full 0.3.1
[INFO] tweaked toml for crates.io crate notify-debouncer-full 0.3.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 84 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding deser-hjson v1.2.0 (latest: v2.2.4)
[INFO] [stderr]       Adding inotify v0.9.6 (latest: v0.10.2)
[INFO] [stderr]       Adding redox_syscall v0.4.1 (latest: v0.5.1)
[INFO] [stderr]       Adding rstest v0.17.0 (latest: v0.18.2)
[INFO] [stderr]       Adding rstest_macros v0.17.0 (latest: v0.18.2)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding windows-sys v0.48.0 (latest: v0.52.0)
[INFO] [stderr]       Adding windows-targets v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding yansi v0.5.1 (latest: v1.0.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rstest_macros v0.17.0
[INFO] [stderr]   Downloaded deser-hjson v1.2.0
[INFO] [stderr]   Downloaded rstest v0.17.0
[INFO] [stderr]   Downloaded file-id v0.2.1
[INFO] [stderr]   Downloaded notify v6.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5d098e338cbdf51742a2198dd60064357fc95ae7c4a4a81579ce2b0e55db42a5
[INFO] running `Command { std: "docker" "start" "-a" "5d098e338cbdf51742a2198dd60064357fc95ae7c4a4a81579ce2b0e55db42a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d098e338cbdf51742a2198dd60064357fc95ae7c4a4a81579ce2b0e55db42a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d098e338cbdf51742a2198dd60064357fc95ae7c4a4a81579ce2b0e55db42a5", kill_on_drop: false }`
[INFO] [stdout] 5d098e338cbdf51742a2198dd60064357fc95ae7c4a4a81579ce2b0e55db42a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a8aba893b7aed91393bf9c2a5e9201bea12d83c7c9795bb1139aea6406869ddb
[INFO] running `Command { std: "docker" "start" "-a" "a8aba893b7aed91393bf9c2a5e9201bea12d83c7c9795bb1139aea6406869ddb", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]    Compiling rstest_macros v0.17.0
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking filetime v0.2.23
[INFO] [stderr]     Checking file-id v0.2.1
[INFO] [stderr]     Checking inotify v0.9.6
[INFO] [stderr]     Checking yansi v0.5.1
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking deser-hjson v1.2.0
[INFO] [stderr]     Checking mock_instant v0.3.2
[INFO] [stderr]     Checking pretty_assertions v1.4.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.12
[INFO] [stderr]     Checking notify v6.1.1
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking notify-debouncer-full v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking rstest v0.17.0
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.20s
[INFO] running `Command { std: "docker" "inspect" "a8aba893b7aed91393bf9c2a5e9201bea12d83c7c9795bb1139aea6406869ddb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8aba893b7aed91393bf9c2a5e9201bea12d83c7c9795bb1139aea6406869ddb", kill_on_drop: false }`
[INFO] [stdout] a8aba893b7aed91393bf9c2a5e9201bea12d83c7c9795bb1139aea6406869ddb
[INFO] checking notify-debouncer-full-0.3.1 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate notify-debouncer-full 0.3.1 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate notify-debouncer-full 0.3.1 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate notify-debouncer-full 0.3.1
[INFO] finished tweaking crates.io crate notify-debouncer-full 0.3.1
[INFO] tweaked toml for crates.io crate notify-debouncer-full 0.3.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8860c6f52bc5a52b7d31337caa1f48c1ac51f99270e967fd01314df49a509226
[INFO] running `Command { std: "docker" "start" "-a" "8860c6f52bc5a52b7d31337caa1f48c1ac51f99270e967fd01314df49a509226", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8860c6f52bc5a52b7d31337caa1f48c1ac51f99270e967fd01314df49a509226", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8860c6f52bc5a52b7d31337caa1f48c1ac51f99270e967fd01314df49a509226", kill_on_drop: false }`
[INFO] [stdout] 8860c6f52bc5a52b7d31337caa1f48c1ac51f99270e967fd01314df49a509226
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb0464898281915209e0802d8162a22077c07d11d68e35b36fecaff1a7cc9ff3
[INFO] running `Command { std: "docker" "start" "-a" "eb0464898281915209e0802d8162a22077c07d11d68e35b36fecaff1a7cc9ff3", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling rstest_macros v0.17.0
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking filetime v0.2.23
[INFO] [stderr]     Checking yansi v0.5.1
[INFO] [stderr]     Checking inotify v0.9.6
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking file-id v0.2.1
[INFO] [stderr]     Checking pretty_assertions v1.4.0
[INFO] [stderr]     Checking deser-hjson v1.2.0
[INFO] [stderr]     Checking mock_instant v0.3.2
[INFO] [stderr]     Checking crossbeam-channel v0.5.12
[INFO] [stderr]     Checking notify v6.1.1
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking notify-debouncer-full v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking rstest v0.17.0
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.33s
[INFO] running `Command { std: "docker" "inspect" "eb0464898281915209e0802d8162a22077c07d11d68e35b36fecaff1a7cc9ff3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb0464898281915209e0802d8162a22077c07d11d68e35b36fecaff1a7cc9ff3", kill_on_drop: false }`
[INFO] [stdout] eb0464898281915209e0802d8162a22077c07d11d68e35b36fecaff1a7cc9ff3