[INFO] fetching crate synapse-admin-api 0.5.0...
[INFO] checking synapse-admin-api-0.5.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate synapse-admin-api 0.5.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate synapse-admin-api 0.5.0 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 synapse-admin-api 0.5.0
[INFO] finished tweaking crates.io crate synapse-admin-api 0.5.0
[INFO] tweaked toml for crates.io crate synapse-admin-api 0.5.0 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 67 packages
[INFO] [stderr]       Adding base64 v0.13.1 (latest: v0.22.0)
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.0.0)
[INFO] [stderr]       Adding hashbrown v0.12.3 (latest: v0.14.3)
[INFO] [stderr]       Adding http v0.2.12 (latest: v1.1.0)
[INFO] [stderr]       Adding indexmap v1.9.3 (latest: v2.2.6)
[INFO] [stderr]       Adding proc-macro-crate v1.3.1 (latest: v3.1.0)
[INFO] [stderr]       Adding ruma v0.7.4 (latest: v0.9.4)
[INFO] [stderr]       Adding ruma-common v0.10.5 (latest: v0.12.1)
[INFO] [stderr]       Adding ruma-macros v0.10.5 (latest: v0.12.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding toml v0.5.11 (latest: v0.8.12)
[INFO] [stderr]       Adding toml_edit v0.19.15 (latest: v0.22.9)
[INFO] [stderr]       Adding winnow v0.5.40 (latest: v0.6.5)
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded js_int v0.2.2
[INFO] [stderr]   Downloaded js_option v0.1.1
[INFO] [stderr]   Downloaded ruma v0.7.4
[INFO] [stderr]   Downloaded assign v1.1.1
[INFO] [stderr]   Downloaded ruma-identifiers-validation v0.9.3
[INFO] [stderr]   Downloaded ruma-common v0.10.5
[INFO] [stderr]   Downloaded ruma-macros v0.10.5
[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] fc9d5b208ef8ee79140ca595e77673155bc88154364364c2081b119983a43669
[INFO] running `Command { std: "docker" "start" "-a" "fc9d5b208ef8ee79140ca595e77673155bc88154364364c2081b119983a43669", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc9d5b208ef8ee79140ca595e77673155bc88154364364c2081b119983a43669", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc9d5b208ef8ee79140ca595e77673155bc88154364364c2081b119983a43669", kill_on_drop: false }`
[INFO] [stdout] fc9d5b208ef8ee79140ca595e77673155bc88154364364c2081b119983a43669
[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] ca1b0e3cf9eb11487d5cfa78207b65116c854233eb340ce9abcb5be4c821e2bc
[INFO] running `Command { std: "docker" "start" "-a" "ca1b0e3cf9eb11487d5cfa78207b65116c854233eb340ce9abcb5be4c821e2bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]     Checking wildmatch v2.3.3
[INFO] [stderr]     Checking assign v1.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking js_int v0.2.2
[INFO] [stderr]     Checking js_option v0.1.1
[INFO] [stderr]     Checking ruma-identifiers-validation v0.9.3
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]    Compiling ruma-macros v0.10.5
[INFO] [stderr]     Checking ruma-common v0.10.5
[INFO] [stderr]     Checking ruma v0.7.4
[INFO] [stderr]     Checking synapse-admin-api v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.00s
[INFO] running `Command { std: "docker" "inspect" "ca1b0e3cf9eb11487d5cfa78207b65116c854233eb340ce9abcb5be4c821e2bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca1b0e3cf9eb11487d5cfa78207b65116c854233eb340ce9abcb5be4c821e2bc", kill_on_drop: false }`
[INFO] [stdout] ca1b0e3cf9eb11487d5cfa78207b65116c854233eb340ce9abcb5be4c821e2bc
[INFO] checking synapse-admin-api-0.5.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate synapse-admin-api 0.5.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate synapse-admin-api 0.5.0 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 synapse-admin-api 0.5.0
[INFO] finished tweaking crates.io crate synapse-admin-api 0.5.0
[INFO] tweaked toml for crates.io crate synapse-admin-api 0.5.0 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]     Blocking waiting for file lock on package cache
[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-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] dda7a25477eb99e20c6a0e9f3944f1060f8f6cf078c3b1cc34b4e8c33c32f224
[INFO] running `Command { std: "docker" "start" "-a" "dda7a25477eb99e20c6a0e9f3944f1060f8f6cf078c3b1cc34b4e8c33c32f224", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dda7a25477eb99e20c6a0e9f3944f1060f8f6cf078c3b1cc34b4e8c33c32f224", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dda7a25477eb99e20c6a0e9f3944f1060f8f6cf078c3b1cc34b4e8c33c32f224", kill_on_drop: false }`
[INFO] [stdout] dda7a25477eb99e20c6a0e9f3944f1060f8f6cf078c3b1cc34b4e8c33c32f224
[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] cab4c013d47e6154064b66cc2fa5a6ddbe85662e303b13eaa66f16d8b9e00b4f
[INFO] running `Command { std: "docker" "start" "-a" "cab4c013d47e6154064b66cc2fa5a6ddbe85662e303b13eaa66f16d8b9e00b4f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]     Checking wildmatch v2.3.3
[INFO] [stderr]     Checking assign v1.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking js_int v0.2.2
[INFO] [stderr]     Checking js_option v0.1.1
[INFO] [stderr]     Checking ruma-identifiers-validation v0.9.3
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]    Compiling ruma-macros v0.10.5
[INFO] [stderr]     Checking ruma-common v0.10.5
[INFO] [stderr]     Checking ruma v0.7.4
[INFO] [stderr]     Checking synapse-admin-api v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.29s
[INFO] running `Command { std: "docker" "inspect" "cab4c013d47e6154064b66cc2fa5a6ddbe85662e303b13eaa66f16d8b9e00b4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cab4c013d47e6154064b66cc2fa5a6ddbe85662e303b13eaa66f16d8b9e00b4f", kill_on_drop: false }`
[INFO] [stdout] cab4c013d47e6154064b66cc2fa5a6ddbe85662e303b13eaa66f16d8b9e00b4f