[INFO] fetching crate ruma-server-util 0.2.0...
[INFO] checking ruma-server-util-0.2.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate ruma-server-util 0.2.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate ruma-server-util 0.2.0 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 ruma-server-util 0.2.0
[INFO] finished tweaking crates.io crate ruma-server-util 0.2.0
[INFO] tweaked toml for crates.io crate ruma-server-util 0.2.0 written to /workspace/builds/worker-4-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]      Locking 78 packages
[INFO] [stderr]       Adding base64 v0.21.7 (latest: v0.22.0)
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.0.0)
[INFO] [stderr]       Adding headers v0.3.9 (latest: v0.4.0)
[INFO] [stderr]       Adding headers-core v0.2.0 (latest: v0.3.0)
[INFO] [stderr]       Adding http v0.2.12 (latest: v1.1.0)
[INFO] [stderr]       Adding nu-ansi-term v0.46.0 (latest: v0.50.0)
[INFO] [stderr]       Adding proc-macro-crate v2.0.2 (latest: v3.1.0)
[INFO] [stderr]       Adding toml v0.8.2 (latest: v0.8.12)
[INFO] [stderr]       Adding toml_datetime v0.6.3 (latest: v0.6.5)
[INFO] [stderr]       Adding toml_edit v0.20.2 (latest: v0.22.9)
[INFO] [stderr]       Adding winnow v0.5.40 (latest: v0.6.5)
[INFO] [stderr]       Adding yap v0.11.0 (latest: v0.12.0)
[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 ruma-identifiers-validation v0.9.3
[INFO] [stderr]   Downloaded ruma-macros v0.12.0
[INFO] [stderr]   Downloaded serde_html_form v0.2.6
[INFO] [stderr]   Downloaded ruma-common v0.12.1
[INFO] [stderr]   Downloaded as_variant v1.2.0
[INFO] [stderr]   Downloaded js_int v0.2.2
[INFO] [stderr]   Downloaded yap v0.11.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 536dc986937aada3f15353f0773e1f6205d4216cd164fa970884f11ee9f6ac43
[INFO] running `Command { std: "docker" "start" "-a" "536dc986937aada3f15353f0773e1f6205d4216cd164fa970884f11ee9f6ac43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "536dc986937aada3f15353f0773e1f6205d4216cd164fa970884f11ee9f6ac43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "536dc986937aada3f15353f0773e1f6205d4216cd164fa970884f11ee9f6ac43", kill_on_drop: false }`
[INFO] [stdout] 536dc986937aada3f15353f0773e1f6205d4216cd164fa970884f11ee9f6ac43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] ba290f1dbdad3d94ed18cd6f66959d1ed3d03a36a78edffac2037e6729f4235b
[INFO] running `Command { std: "docker" "start" "-a" "ba290f1dbdad3d94ed18cd6f66959d1ed3d03a36a78edffac2037e6729f4235b", kill_on_drop: false }`
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]    Compiling js_int v0.2.2
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]    Compiling ruma-common v0.12.1
[INFO] [stderr]     Checking as_variant v1.2.0
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking wildmatch v2.3.3
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]     Checking yap v0.11.0
[INFO] [stderr]     Checking indexmap v2.2.6
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]    Compiling ruma-identifiers-validation v0.9.3
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]     Checking serde_html_form v0.2.6
[INFO] [stderr]    Compiling serde_spanned v0.6.5
[INFO] [stderr]    Compiling toml_datetime v0.6.3
[INFO] [stderr]    Compiling toml_edit v0.20.2
[INFO] [stderr]    Compiling toml v0.8.2
[INFO] [stderr]    Compiling proc-macro-crate v2.0.2
[INFO] [stderr]    Compiling ruma-macros v0.12.0
[INFO] [stderr]     Checking ruma-server-util v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.47s
[INFO] running `Command { std: "docker" "inspect" "ba290f1dbdad3d94ed18cd6f66959d1ed3d03a36a78edffac2037e6729f4235b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba290f1dbdad3d94ed18cd6f66959d1ed3d03a36a78edffac2037e6729f4235b", kill_on_drop: false }`
[INFO] [stdout] ba290f1dbdad3d94ed18cd6f66959d1ed3d03a36a78edffac2037e6729f4235b