[INFO] fetching crate metaemu-state 0.3.1...
[INFO] checking metaemu-state-0.3.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate metaemu-state 0.3.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate metaemu-state 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 metaemu-state 0.3.1
[INFO] finished tweaking crates.io crate metaemu-state 0.3.1
[INFO] tweaked toml for crates.io crate metaemu-state 0.3.1 written to /workspace/builds/worker-2-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 109 packages
[INFO] [stderr]       Adding ahash v0.7.8 (latest: v0.8.11)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding cfg_aliases v0.1.1 (latest: v0.2.0)
[INFO] [stderr]       Adding educe v0.4.23 (latest: v0.5.11)
[INFO] [stderr]       Adding enum-ordinalize v3.1.15 (latest: v4.3.0)
[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.12.1)
[INFO] [stderr]       Adding linux-raw-sys v0.4.13 (latest: v0.6.4)
[INFO] [stderr]       Adding ouroboros v0.9.5 (latest: v0.18.3)
[INFO] [stderr]       Adding ouroboros_macro v0.9.5 (latest: v0.18.3)
[INFO] [stderr]       Adding parking_lot v0.11.2 (latest: v0.12.1)
[INFO] [stderr]       Adding parking_lot_core v0.8.6 (latest: v0.9.9)
[INFO] [stderr]       Adding redox_syscall v0.2.16 (latest: v0.5.1)
[INFO] [stderr]       Adding roxmltree v0.18.1 (latest: v0.19.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding ustr v0.8.1 (latest: v1.0.0)
[INFO] [stderr]       Adding ustr v0.9.0 (latest: v1.0.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding which v4.4.2 (latest: v6.0.1)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded fugue v0.2.8
[INFO] [stderr]   Downloaded unsafe_unwrap v0.1.0
[INFO] [stderr]   Downloaded metaemu-state-derive v0.3.0
[INFO] [stderr]   Downloaded enum-ordinalize v3.1.15
[INFO] [stderr]   Downloaded fugue-arch v0.2.4
[INFO] [stderr]   Downloaded ouroboros v0.9.5
[INFO] [stderr]   Downloaded fugue-bytes v0.2.2
[INFO] [stderr]   Downloaded iset v0.2.2
[INFO] [stderr]   Downloaded ux v0.1.5
[INFO] [stderr]   Downloaded fugue-db v0.2.15
[INFO] [stderr]   Downloaded flatc-rust v0.2.0
[INFO] [stderr]   Downloaded educe v0.4.23
[INFO] [stderr]   Downloaded fugue-ir v0.2.92
[INFO] [stderr]   Downloaded rug v1.24.1
[INFO] [stderr]   Downloaded ustr v0.9.0
[INFO] [stderr]   Downloaded ustr v0.8.1
[INFO] [stderr]   Downloaded flatbuffers v23.5.26
[INFO] [stderr]   Downloaded ouroboros_macro v0.9.5
[INFO] [stderr]   Downloaded az v1.2.1
[INFO] [stderr]   Downloaded fugue-bv v0.2.35
[INFO] [stderr]   Downloaded flatcc v23.1.21
[INFO] [stderr]   Downloaded gmp-mpfr-sys v1.6.2
[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] ecfb9f6858ce1ffe12e891d77159cae59cb46835b7323c022ac96d1ba7af96e8
[INFO] running `Command { std: "docker" "start" "-a" "ecfb9f6858ce1ffe12e891d77159cae59cb46835b7323c022ac96d1ba7af96e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ecfb9f6858ce1ffe12e891d77159cae59cb46835b7323c022ac96d1ba7af96e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecfb9f6858ce1ffe12e891d77159cae59cb46835b7323c022ac96d1ba7af96e8", kill_on_drop: false }`
[INFO] [stdout] ecfb9f6858ce1ffe12e891d77159cae59cb46835b7323c022ac96d1ba7af96e8
[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] 580cfc61f084bdbfc058240f2d8887cfec5def52a092362d21af72f5c3532098
[INFO] running `Command { std: "docker" "start" "-a" "580cfc61f084bdbfc058240f2d8887cfec5def52a092362d21af72f5c3532098", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.6.2
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]    Compiling static_init_macro v1.0.2
[INFO] [stderr]    Compiling static_init v1.0.3
[INFO] [stderr]     Checking ux v0.1.5
[INFO] [stderr]    Compiling rug v1.24.1
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking xmlparser v0.13.6
[INFO] [stderr]     Checking unsafe_unwrap v0.1.0
[INFO] [stderr]     Checking bumpalo v3.15.4
[INFO] [stderr]     Checking roxmltree v0.18.1
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling metaemu-state-derive v0.3.0
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking iset v0.2.2
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking ustr v0.9.0
[INFO] [stderr]     Checking ustr v0.8.1
[INFO] [stderr]     Checking fugue-bytes v0.2.2
[INFO] [stderr]     Checking fugue-arch v0.2.4
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "580cfc61f084bdbfc058240f2d8887cfec5def52a092362d21af72f5c3532098", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "580cfc61f084bdbfc058240f2d8887cfec5def52a092362d21af72f5c3532098", kill_on_drop: false }`
[INFO] [stdout] 580cfc61f084bdbfc058240f2d8887cfec5def52a092362d21af72f5c3532098
[INFO] checking metaemu-state-0.3.1 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate metaemu-state 0.3.1 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate metaemu-state 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 metaemu-state 0.3.1
[INFO] finished tweaking crates.io crate metaemu-state 0.3.1
[INFO] tweaked toml for crates.io crate metaemu-state 0.3.1 written to /workspace/builds/worker-2-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] 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] 2a0bcd52eff8026eb468735cc5472c243f3536ab907dbdf96be939ba374ea169
[INFO] running `Command { std: "docker" "start" "-a" "2a0bcd52eff8026eb468735cc5472c243f3536ab907dbdf96be939ba374ea169", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a0bcd52eff8026eb468735cc5472c243f3536ab907dbdf96be939ba374ea169", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a0bcd52eff8026eb468735cc5472c243f3536ab907dbdf96be939ba374ea169", kill_on_drop: false }`
[INFO] [stdout] 2a0bcd52eff8026eb468735cc5472c243f3536ab907dbdf96be939ba374ea169
[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] a8f5765bdcffd4b3c3fcc7cf26b08ea17ee6f6e4ae64062a29ffe7770677eb87
[INFO] running `Command { std: "docker" "start" "-a" "a8f5765bdcffd4b3c3fcc7cf26b08ea17ee6f6e4ae64062a29ffe7770677eb87", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.6.2
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]    Compiling static_init_macro v1.0.2
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling static_init v1.0.3
[INFO] [stderr]     Checking ux v0.1.5
[INFO] [stderr]    Compiling rug v1.24.1
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking xmlparser v0.13.6
[INFO] [stderr]     Checking bumpalo v3.15.4
[INFO] [stderr]     Checking unsafe_unwrap v0.1.0
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]     Checking roxmltree v0.18.1
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling metaemu-state-derive v0.3.0
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking iset v0.2.2
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking ustr v0.9.0
[INFO] [stderr]     Checking ustr v0.8.1
[INFO] [stderr]     Checking fugue-bytes v0.2.2
[INFO] [stderr]     Checking fugue-arch v0.2.4
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "a8f5765bdcffd4b3c3fcc7cf26b08ea17ee6f6e4ae64062a29ffe7770677eb87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8f5765bdcffd4b3c3fcc7cf26b08ea17ee6f6e4ae64062a29ffe7770677eb87", kill_on_drop: false }`
[INFO] [stdout] a8f5765bdcffd4b3c3fcc7cf26b08ea17ee6f6e4ae64062a29ffe7770677eb87