[INFO] fetching crate swyt 1.3.0...
[INFO] checking swyt-1.3.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate swyt 1.3.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate swyt 1.3.0 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 swyt 1.3.0
[INFO] finished tweaking crates.io crate swyt 1.3.0
[INFO] tweaked toml for crates.io crate swyt 1.3.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate swyt 1.3.0 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cxxbridge-flags v1.0.94
[INFO] [stderr]   Downloaded link-cplusplus v1.0.8
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.84
[INFO] [stderr]   Downloaded is-terminal v0.4.6
[INFO] [stderr]   Downloaded iana-time-zone-haiku v0.1.1
[INFO] [stderr]   Downloaded once_cell v1.17.1
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.84
[INFO] [stderr]   Downloaded quote v1.0.26
[INFO] [stderr]   Downloaded thiserror-impl v1.0.40
[INFO] [stderr]   Downloaded scratch v1.0.5
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.84
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.84
[INFO] [stderr]   Downloaded iana-time-zone v0.1.54
[INFO] [stderr]   Downloaded proc-macro2 v1.0.54
[INFO] [stderr]   Downloaded unicode-ident v1.0.8
[INFO] [stderr]   Downloaded cxxbridge-macro v1.0.94
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.14
[INFO] [stderr]   Downloaded crossbeam-channel v0.5.7
[INFO] [stderr]   Downloaded cxx-build v1.0.94
[INFO] [stderr]   Downloaded bumpalo v3.12.0
[INFO] [stderr]   Downloaded sysinfo v0.28.4
[INFO] [stderr]   Downloaded ntapi v0.4.0
[INFO] [stderr]   Downloaded js-sys v0.3.61
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.15
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.84
[INFO] [stderr]   Downloaded chrono v0.4.24
[INFO] [stderr]   Downloaded cxx v1.0.94
[INFO] [stderr]   Downloaded syn v2.0.12
[INFO] [stderr]   Downloaded rustix v0.37.6
[INFO] [stderr]   Downloaded regex v1.7.3
[INFO] [stderr]   Downloaded libc v0.2.140
[INFO] [stderr]   Downloaded errno v0.3.0
[INFO] [stderr]   Downloaded linux-raw-sys v0.3.1
[INFO] [stderr]   Downloaded io-lifetimes v1.0.9
[INFO] [stderr]   Downloaded thiserror v1.0.40
[INFO] [stderr]   Downloaded hermit-abi v0.3.1
[INFO] [stderr]   Downloaded num_cpus v1.15.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 1a6673c8a7485c89db8627b20e1faca8961bae4cdbb7c533c59d24758bf4f115
[INFO] running `Command { std: "docker" "start" "-a" "1a6673c8a7485c89db8627b20e1faca8961bae4cdbb7c533c59d24758bf4f115", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a6673c8a7485c89db8627b20e1faca8961bae4cdbb7c533c59d24758bf4f115", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a6673c8a7485c89db8627b20e1faca8961bae4cdbb7c533c59d24758bf4f115", kill_on_drop: false }`
[INFO] [stdout] 1a6673c8a7485c89db8627b20e1faca8961bae4cdbb7c533c59d24758bf4f115
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 16aa1245bf19d0b8446c0d1d8cbd02b9d11cfb3db8cf679adeb996ae4755e6d2
[INFO] running `Command { std: "docker" "start" "-a" "16aa1245bf19d0b8446c0d1d8cbd02b9d11cfb3db8cf679adeb996ae4755e6d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]    Compiling io-lifetimes v1.0.9
[INFO] [stderr]    Compiling rustix v0.37.6
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking linux-raw-sys v0.3.1
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking iana-time-zone v0.1.54
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking crossbeam-channel v0.5.7
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]     Checking regex v1.7.3
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking rayon-core v1.11.0
[INFO] [stderr]     Checking chrono v0.4.24
[INFO] [stderr]     Checking rayon v1.7.0
[INFO] [stderr]     Checking is-terminal v0.4.6
[INFO] [stderr]     Checking env_logger v0.10.0
[INFO] [stderr]     Checking sysinfo v0.28.4
[INFO] [stderr]     Checking swyt v1.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.54s
[INFO] running `Command { std: "docker" "inspect" "16aa1245bf19d0b8446c0d1d8cbd02b9d11cfb3db8cf679adeb996ae4755e6d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16aa1245bf19d0b8446c0d1d8cbd02b9d11cfb3db8cf679adeb996ae4755e6d2", kill_on_drop: false }`
[INFO] [stdout] 16aa1245bf19d0b8446c0d1d8cbd02b9d11cfb3db8cf679adeb996ae4755e6d2
[INFO] checking swyt-1.3.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate swyt 1.3.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate swyt 1.3.0 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 swyt 1.3.0
[INFO] finished tweaking crates.io crate swyt 1.3.0
[INFO] tweaked toml for crates.io crate swyt 1.3.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate swyt 1.3.0 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e5a54717fd81126c23d55bf1a54dcc10e85321675dda5435751328472f413467
[INFO] running `Command { std: "docker" "start" "-a" "e5a54717fd81126c23d55bf1a54dcc10e85321675dda5435751328472f413467", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e5a54717fd81126c23d55bf1a54dcc10e85321675dda5435751328472f413467", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5a54717fd81126c23d55bf1a54dcc10e85321675dda5435751328472f413467", kill_on_drop: false }`
[INFO] [stdout] e5a54717fd81126c23d55bf1a54dcc10e85321675dda5435751328472f413467
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 44e8e20113e00ec59ca7a8b9c71d9138d1b8ddca73e72d1d57192886a633c987
[INFO] running `Command { std: "docker" "start" "-a" "44e8e20113e00ec59ca7a8b9c71d9138d1b8ddca73e72d1d57192886a633c987", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]    Compiling io-lifetimes v1.0.9
[INFO] [stderr]    Compiling rustix v0.37.6
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking linux-raw-sys v0.3.1
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking iana-time-zone v0.1.54
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking crossbeam-channel v0.5.7
[INFO] [stderr]     Checking regex v1.7.3
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking rayon-core v1.11.0
[INFO] [stderr]     Checking chrono v0.4.24
[INFO] [stderr]     Checking rayon v1.7.0
[INFO] [stderr]     Checking is-terminal v0.4.6
[INFO] [stderr]     Checking env_logger v0.10.0
[INFO] [stderr]     Checking sysinfo v0.28.4
[INFO] [stderr]     Checking swyt v1.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.27s
[INFO] running `Command { std: "docker" "inspect" "44e8e20113e00ec59ca7a8b9c71d9138d1b8ddca73e72d1d57192886a633c987", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44e8e20113e00ec59ca7a8b9c71d9138d1b8ddca73e72d1d57192886a633c987", kill_on_drop: false }`
[INFO] [stdout] 44e8e20113e00ec59ca7a8b9c71d9138d1b8ddca73e72d1d57192886a633c987