[INFO] fetching crate wca 0.4.0... [INFO] checking wca-0.4.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate wca 0.4.0 into /workspace/builds/worker-7-tc1/source [INFO] validating manifest of crates.io crate wca 0.4.0 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 wca 0.4.0 [INFO] finished tweaking crates.io crate wca 0.4.0 [INFO] tweaked toml for crates.io crate wca 0.4.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate crates.io crate wca 0.4.0 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] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded meta_tools v0.5.0 [INFO] [stderr] Downloaded test_tools v0.5.0 [INFO] [stderr] Downloaded is_slice v0.4.0 [INFO] [stderr] Downloaded typing_tools v0.3.0 [INFO] [stderr] Downloaded basic-toml v0.1.4 [INFO] [stderr] Downloaded trybuild v1.0.85 [INFO] [stderr] Downloaded closure v0.3.0 [INFO] [stderr] Downloaded type_constructor v0.1.19 [INFO] [stderr] Downloaded winterval v0.1.5 [INFO] [stderr] Downloaded data_type v0.1.9 [INFO] [stderr] Downloaded mem_tools v0.1.1 [INFO] [stderr] Downloaded derive_tools_meta v0.6.0 [INFO] [stderr] Downloaded variadic_from v0.2.0 [INFO] [stderr] Downloaded derive_tools v0.7.0 [INFO] [stderr] Downloaded mod_interface_meta v0.6.0 [INFO] [stderr] Downloaded mod_interface v0.6.0 [INFO] [stderr] Downloaded iter_tools v0.4.0 [INFO] [stderr] Downloaded macro_tools v0.3.0 [INFO] [stderr] Downloaded former_meta v0.2.0 [INFO] [stderr] Downloaded former v0.2.0 [INFO] [stderr] Downloaded strs_tools v0.3.0 [INFO] [stderr] Downloaded diagnostics_tools v0.3.0 [INFO] [stderr] Downloaded error_tools v0.4.0 [INFO] [stderr] Downloaded for_each v0.3.0 [INFO] [stderr] Downloaded impls_index_meta v0.2.0 [INFO] [stderr] Downloaded impls_index v0.2.0 [INFO] [stderr] Downloaded derive_tools_meta v0.2.0 [INFO] [stderr] Downloaded derive_tools v0.2.0 [INFO] [stderr] Downloaded interval_adapter v0.2.3 [INFO] [stderr] Downloaded macro_tools v0.2.0 [INFO] [stderr] Downloaded mod_interface_meta v0.3.0 [INFO] [stderr] Downloaded mod_interface v0.4.0 [INFO] [stderr] Downloaded implements v0.3.0 [INFO] [stderr] Downloaded inspect_type v0.5.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 638b964b9070482e48f11bdadd8541a536d210be69ec1c2f54b86a4bc81f038f [INFO] running `Command { std: "docker" "start" "-a" "638b964b9070482e48f11bdadd8541a536d210be69ec1c2f54b86a4bc81f038f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "638b964b9070482e48f11bdadd8541a536d210be69ec1c2f54b86a4bc81f038f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "638b964b9070482e48f11bdadd8541a536d210be69ec1c2f54b86a4bc81f038f", kill_on_drop: false }` [INFO] [stdout] 638b964b9070482e48f11bdadd8541a536d210be69ec1c2f54b86a4bc81f038f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] e1cbbb48c9b0adacda52211d62d61b9911fa93baa888899b3a021c8171d36c79 [INFO] running `Command { std: "docker" "start" "-a" "e1cbbb48c9b0adacda52211d62d61b9911fa93baa888899b3a021c8171d36c79", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.68 [INFO] [stderr] Compiling interval_adapter v0.2.3 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling semver v1.0.19 [INFO] [stderr] Compiling convert_case v0.4.0 [INFO] [stderr] Compiling cfg_aliases v0.1.1 [INFO] [stderr] Compiling serde v1.0.188 [INFO] [stderr] Compiling thiserror v1.0.49 [INFO] [stderr] Compiling anyhow v1.0.75 [INFO] [stderr] Compiling serde_json v1.0.107 [INFO] [stderr] Checking lexical-util v0.8.5 [INFO] [stderr] Compiling num-traits v0.2.16 [INFO] [stderr] Compiling trybuild v1.0.85 [INFO] [stderr] Checking yansi v0.5.1 [INFO] [stderr] Checking diff v0.1.13 [INFO] [stderr] Compiling derive_tools v0.7.0 [INFO] [stderr] Checking dissimilar v1.0.7 [INFO] [stderr] Checking itertools v0.11.0 [INFO] [stderr] Checking termcolor v1.3.0 [INFO] [stderr] Checking pretty_assertions v1.4.0 [INFO] [stderr] Checking memchr v2.6.4 [INFO] [stderr] Checking winterval v0.1.5 [INFO] [stderr] Checking glob v0.3.1 [INFO] [stderr] Checking type_constructor v0.1.19 [INFO] [stderr] Checking is_slice v0.4.0 [INFO] [stderr] Checking implements v0.3.0 [INFO] [stderr] Checking for_each v0.3.0 [INFO] [stderr] Checking literally v0.1.3 [INFO] [stderr] Checking diagnostics_tools v0.3.0 [INFO] [stderr] Checking log v0.4.20 [INFO] [stderr] Checking closure v0.3.0 [INFO] [stderr] Checking anymap v0.12.1 [INFO] [stderr] Checking mem_tools v0.1.1 [INFO] [stderr] Checking data_type v0.1.9 [INFO] [stderr] Checking lexical-write-integer v0.8.5 [INFO] [stderr] Checking lexical-parse-integer v0.8.6 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Checking nom v7.1.3 [INFO] [stderr] Checking lexical-parse-float v0.8.5 [INFO] [stderr] Checking lexical-write-float v0.8.5 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Compiling inspect_type v0.5.0 [INFO] [stderr] Compiling test_tools v0.5.0 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling syn v2.0.38 [INFO] [stderr] Checking lexical-core v0.8.5 [INFO] [stderr] Checking iter_tools v0.4.0 [INFO] [stderr] Checking typing_tools v0.3.0 [INFO] [stderr] Checking lexical v6.1.1 [INFO] [stderr] Compiling thiserror-impl v1.0.49 [INFO] [stderr] Compiling serde_derive v1.0.188 [INFO] [stderr] Checking basic-toml v0.1.4 [INFO] [stderr] Compiling macro_tools v0.3.0 [INFO] [stderr] Compiling macro_tools v0.2.0 [INFO] [stderr] Checking error_tools v0.4.0 [INFO] [stderr] Compiling derive_more v0.99.17 [INFO] [stderr] Compiling derive_tools_meta v0.2.0 [INFO] [stderr] Compiling derive_tools_meta v0.6.0 [INFO] [stderr] Compiling impls_index_meta v0.2.0 [INFO] [stderr] Compiling former_meta v0.2.0 [INFO] [stderr] Checking impls_index v0.2.0 [INFO] [stderr] Checking former v0.2.0 [INFO] [stderr] Compiling variadic_from v0.2.0 [INFO] [stderr] Checking strs_tools v0.3.0 [INFO] [stderr] Compiling derive_tools v0.2.0 [INFO] [stderr] Compiling mod_interface_meta v0.3.0 [INFO] [stderr] Compiling mod_interface_meta v0.6.0 [INFO] [stderr] Checking mod_interface v0.4.0 [INFO] [stderr] Checking meta_tools v0.5.0 [INFO] [stderr] Checking mod_interface v0.6.0 [INFO] [stderr] Checking wca v0.4.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.30s [INFO] running `Command { std: "docker" "inspect" "e1cbbb48c9b0adacda52211d62d61b9911fa93baa888899b3a021c8171d36c79", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e1cbbb48c9b0adacda52211d62d61b9911fa93baa888899b3a021c8171d36c79", kill_on_drop: false }` [INFO] [stdout] e1cbbb48c9b0adacda52211d62d61b9911fa93baa888899b3a021c8171d36c79 [INFO] checking wca-0.4.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] extracting crate wca 0.4.0 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate wca 0.4.0 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 wca 0.4.0 [INFO] finished tweaking crates.io crate wca 0.4.0 [INFO] tweaked toml for crates.io crate wca 0.4.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate crates.io crate wca 0.4.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 8f7c45ce1a44e812c27f44dbd5865314d379e0453e0d2da554e08c2827bdc565 [INFO] running `Command { std: "docker" "start" "-a" "8f7c45ce1a44e812c27f44dbd5865314d379e0453e0d2da554e08c2827bdc565", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8f7c45ce1a44e812c27f44dbd5865314d379e0453e0d2da554e08c2827bdc565", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8f7c45ce1a44e812c27f44dbd5865314d379e0453e0d2da554e08c2827bdc565", kill_on_drop: false }` [INFO] [stdout] 8f7c45ce1a44e812c27f44dbd5865314d379e0453e0d2da554e08c2827bdc565 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] e689f2f7fff26c9d4e0110e4d205bd4bf8f7e150f600029b22c02429b5c49b1d [INFO] running `Command { std: "docker" "start" "-a" "e689f2f7fff26c9d4e0110e4d205bd4bf8f7e150f600029b22c02429b5c49b1d", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.68 [INFO] [stderr] Compiling interval_adapter v0.2.3 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling convert_case v0.4.0 [INFO] [stderr] Compiling semver v1.0.19 [INFO] [stderr] Compiling serde v1.0.188 [INFO] [stderr] Compiling cfg_aliases v0.1.1 [INFO] [stderr] Compiling thiserror v1.0.49 [INFO] [stderr] Compiling anyhow v1.0.75 [INFO] [stderr] Compiling serde_json v1.0.107 [INFO] [stderr] Checking lexical-util v0.8.5 [INFO] [stderr] Compiling num-traits v0.2.16 [INFO] [stderr] Checking diff v0.1.13 [INFO] [stderr] Compiling trybuild v1.0.85 [INFO] [stderr] Checking yansi v0.5.1 [INFO] [stderr] Checking termcolor v1.3.0 [INFO] [stderr] Compiling itertools v0.11.0 [INFO] [stderr] Compiling derive_tools v0.7.0 [INFO] [stderr] Checking is_slice v0.4.0 [INFO] [stderr] Checking pretty_assertions v1.4.0 [INFO] [stderr] Checking type_constructor v0.1.19 [INFO] [stderr] Checking implements v0.3.0 [INFO] [stderr] Checking dissimilar v1.0.7 [INFO] [stderr] Checking glob v0.3.1 [INFO] [stderr] Checking literally v0.1.3 [INFO] [stderr] Checking winterval v0.1.5 [INFO] [stderr] Checking for_each v0.3.0 [INFO] [stderr] Checking memchr v2.6.4 [INFO] [stderr] Checking data_type v0.1.9 [INFO] [stderr] Checking diagnostics_tools v0.3.0 [INFO] [stderr] Checking mem_tools v0.1.1 [INFO] [stderr] Checking anymap v0.12.1 [INFO] [stderr] Checking closure v0.3.0 [INFO] [stderr] Checking log v0.4.20 [INFO] [stderr] Checking lexical-write-integer v0.8.5 [INFO] [stderr] Checking lexical-parse-integer v0.8.6 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Checking lexical-write-float v0.8.5 [INFO] [stderr] Checking lexical-parse-float v0.8.5 [INFO] [stderr] Compiling inspect_type v0.5.0 [INFO] [stderr] Compiling test_tools v0.5.0 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Checking nom v7.1.3 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling syn v2.0.38 [INFO] [stderr] Checking typing_tools v0.3.0 [INFO] [stderr] Checking iter_tools v0.4.0 [INFO] [stderr] Checking lexical-core v0.8.5 [INFO] [stderr] Checking lexical v6.1.1 [INFO] [stderr] Checking basic-toml v0.1.4 [INFO] [stderr] Compiling thiserror-impl v1.0.49 [INFO] [stderr] Compiling serde_derive v1.0.188 [INFO] [stderr] Checking error_tools v0.4.0 [INFO] [stderr] Compiling macro_tools v0.3.0 [INFO] [stderr] Compiling macro_tools v0.2.0 [INFO] [stderr] Compiling derive_more v0.99.17 [INFO] [stderr] Compiling derive_tools_meta v0.6.0 [INFO] [stderr] Compiling derive_tools_meta v0.2.0 [INFO] [stderr] Compiling former_meta v0.2.0 [INFO] [stderr] Compiling impls_index_meta v0.2.0 [INFO] [stderr] Checking impls_index v0.2.0 [INFO] [stderr] Compiling variadic_from v0.2.0 [INFO] [stderr] Checking former v0.2.0 [INFO] [stderr] Checking strs_tools v0.3.0 [INFO] [stderr] Compiling derive_tools v0.2.0 [INFO] [stderr] Compiling mod_interface_meta v0.6.0 [INFO] [stderr] Compiling mod_interface_meta v0.3.0 [INFO] [stderr] Checking mod_interface v0.4.0 [INFO] [stderr] Checking meta_tools v0.5.0 [INFO] [stderr] Checking mod_interface v0.6.0 [INFO] [stderr] Checking wca v0.4.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.80s [INFO] running `Command { std: "docker" "inspect" "e689f2f7fff26c9d4e0110e4d205bd4bf8f7e150f600029b22c02429b5c49b1d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e689f2f7fff26c9d4e0110e4d205bd4bf8f7e150f600029b22c02429b5c49b1d", kill_on_drop: false }` [INFO] [stdout] e689f2f7fff26c9d4e0110e4d205bd4bf8f7e150f600029b22c02429b5c49b1d