[INFO] fetching crate gpapi 4.0.0...
[INFO] checking gpapi-4.0.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate gpapi 4.0.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate gpapi 4.0.0 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 gpapi 4.0.0
[INFO] finished tweaking crates.io crate gpapi 4.0.0
[INFO] tweaked toml for crates.io crate gpapi 4.0.0 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]     Updating crates.io index
[INFO] [stderr]      Locking 191 packages
[INFO] [stderr]       Adding base64 v0.20.0 (latest: v0.22.0)
[INFO] [stderr]       Adding base64 v0.21.7 (latest: v0.22.0)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding encode_unicode v0.3.6 (latest: v1.0.0)
[INFO] [stderr]       Adding fixedbitset v0.4.2 (latest: v0.5.6)
[INFO] [stderr]       Adding foreign-types v0.3.2 (latest: v0.5.0)
[INFO] [stderr]       Adding foreign-types-shared v0.1.1 (latest: v0.3.1)
[INFO] [stderr]       Adding googleplay-protobuf v1.0.1 (latest: v2.0.0)
[INFO] [stderr]       Adding h2 v0.3.26 (latest: v0.4.4)
[INFO] [stderr]       Adding heck v0.4.1 (latest: v0.5.0)
[INFO] [stderr]       Adding http v0.2.12 (latest: v1.1.0)
[INFO] [stderr]       Adding http-body v0.4.6 (latest: v1.0.0)
[INFO] [stderr]       Adding hyper v0.14.28 (latest: v1.2.0)
[INFO] [stderr]       Adding hyper-openssl v0.9.2 (latest: v0.10.2)
[INFO] [stderr]       Adding hyper-tls v0.5.0 (latest: v0.6.0)
[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 multimap v0.8.3 (latest: v0.10.0)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding prettyplease v0.1.25 (latest: v0.2.17)
[INFO] [stderr]       Adding prost v0.11.9 (latest: v0.12.4)
[INFO] [stderr]       Adding prost-build v0.11.9 (latest: v0.12.4)
[INFO] [stderr]       Adding prost-derive v0.11.9 (latest: v0.12.4)
[INFO] [stderr]       Adding prost-types v0.11.9 (latest: v0.12.4)
[INFO] [stderr]       Adding redox_syscall v0.4.1 (latest: v0.5.1)
[INFO] [stderr]       Adding reqwest v0.11.27 (latest: v0.12.3)
[INFO] [stderr]       Adding rustls-pemfile v1.0.4 (latest: v2.1.1)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding sync_wrapper v0.1.2 (latest: v1.0.0)
[INFO] [stderr]       Adding system-configuration v0.5.1 (latest: v0.6.0)
[INFO] [stderr]       Adding system-configuration-sys v0.5.0 (latest: v0.6.0)
[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] [stderr]       Adding windows-sys v0.48.0 (latest: v0.52.0)
[INFO] [stderr]       Adding windows-targets v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding winreg v0.50.0 (latest: v0.52.0)
[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 hyper-util v0.1.3
[INFO] [stderr]   Downloaded wasm-streams v0.4.0
[INFO] [stderr]   Downloaded http-body-util v0.1.1
[INFO] [stderr]   Downloaded googleplay-protobuf v1.0.1
[INFO] [stderr]   Downloaded configparser v3.0.4
[INFO] [stderr]   Downloaded prettyplease v0.1.25
[INFO] [stderr]   Downloaded prost-types v0.11.9
[INFO] [stderr]   Downloaded base64 v0.22.0
[INFO] [stderr]   Downloaded h2 v0.4.4
[INFO] [stderr]   Downloaded reqwest v0.12.3
[INFO] [stderr]   Downloaded prost-build v0.11.9
[INFO] [stderr]   Downloaded prost-derive v0.11.9
[INFO] [stderr]   Downloaded prost v0.11.9
[INFO] [stderr]   Downloaded linked_hash_set v0.1.4
[INFO] [stderr]   Downloaded tokio-openssl v0.6.4
[INFO] [stderr]   Downloaded hyper-openssl v0.9.2
[INFO] [stderr]   Downloaded winreg v0.52.0
[INFO] [stderr]   Downloaded hyper-tls v0.6.0
[INFO] [stderr]   Downloaded tokio-dl-stream-to-disk v1.0.1
[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] 07c3b21228c1c9dd31fb4d642f07bbf6862b18c94703f494d1cb75e53edb45e1
[INFO] running `Command { std: "docker" "start" "-a" "07c3b21228c1c9dd31fb4d642f07bbf6862b18c94703f494d1cb75e53edb45e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07c3b21228c1c9dd31fb4d642f07bbf6862b18c94703f494d1cb75e53edb45e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07c3b21228c1c9dd31fb4d642f07bbf6862b18c94703f494d1cb75e53edb45e1", kill_on_drop: false }`
[INFO] [stdout] 07c3b21228c1c9dd31fb4d642f07bbf6862b18c94703f494d1cb75e53edb45e1
[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] 4e861baa92036daf0c486fb77e9d91316ce26a9e226247cb2b4cf0c5e8f06df1
[INFO] running `Command { std: "docker" "start" "-a" "4e861baa92036daf0c486fb77e9d91316ce26a9e226247cb2b4cf0c5e8f06df1", kill_on_drop: false }`
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling anyhow v1.0.81
[INFO] [stderr]    Compiling rustix v0.38.32
[INFO] [stderr]    Compiling bitflags v2.5.0
[INFO] [stderr]    Compiling linux-raw-sys v0.4.13
[INFO] [stderr]    Compiling regex-syntax v0.8.3
[INFO] [stderr]    Compiling bytes v1.6.0
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]    Compiling prettyplease v0.1.25
[INFO] [stderr]    Compiling home v0.5.9
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling fastrand v2.0.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling log v0.4.21
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]     Checking http-body-util v0.1.1
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking rustls-pki-types v1.4.1
[INFO] [stderr]    Compiling tokio-openssl v0.6.4
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling configparser v3.0.4
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking rustls-pemfile v2.1.1
[INFO] [stderr]     Checking base64 v0.22.0
[INFO] [stderr]    Compiling hyper-openssl v0.9.2
[INFO] [stderr]     Checking console v0.15.8
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]     Checking linked_hash_set v0.1.4
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking base64 v0.20.0
[INFO] [stderr]    Compiling indexmap v2.2.6
[INFO] [stderr]     Checking indicatif v0.17.8
[INFO] [stderr]    Compiling regex-automata v0.4.6
[INFO] [stderr]    Compiling petgraph v0.6.4
[INFO] [stderr]    Compiling which v4.4.2
[INFO] [stderr]    Compiling tempfile v3.10.1
[INFO] [stderr]    Compiling regex v1.10.4
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]     Checking openssl v0.10.64
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]    Compiling prost-derive v0.11.9
[INFO] [stderr]     Checking pin-project v1.1.5
[INFO] [stderr]    Compiling prost v0.11.9
[INFO] [stderr]    Compiling prost-types v0.11.9
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking native-tls v0.2.11
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]    Compiling prost-build v0.11.9
[INFO] [stderr]     Checking h2 v0.4.4
[INFO] [stderr]     Checking h2 v0.3.26
[INFO] [stderr]    Compiling googleplay-protobuf v1.0.1
[INFO] [stderr]     Checking hyper v0.14.28
[INFO] [stderr]     Checking hyper v1.2.0
[INFO] [stderr]     Checking hyper-util v0.1.3
[INFO] [stderr]    Compiling gpapi v4.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking hyper-tls v0.6.0
[INFO] [stderr]     Checking reqwest v0.12.3
[INFO] [stderr]     Checking tokio-dl-stream-to-disk v1.0.1
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.27
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:183:37
[INFO] [stdout]     |
[INFO] [stdout] 183 |         checkin.build.as_mut().map(|mut b| {
[INFO] [stdout]     |                                     ----^
[INFO] [stdout]     |                                     |
[INFO] [stdout]     |                                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:183:37
[INFO] [stdout]     |
[INFO] [stdout] 183 |         checkin.build.as_mut().map(|mut b| {
[INFO] [stdout]     |                                     ----^
[INFO] [stdout]     |                                     |
[INFO] [stdout]     |                                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.37s
[INFO] running `Command { std: "docker" "inspect" "4e861baa92036daf0c486fb77e9d91316ce26a9e226247cb2b4cf0c5e8f06df1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e861baa92036daf0c486fb77e9d91316ce26a9e226247cb2b4cf0c5e8f06df1", kill_on_drop: false }`
[INFO] [stdout] 4e861baa92036daf0c486fb77e9d91316ce26a9e226247cb2b4cf0c5e8f06df1