[INFO] fetching crate wedpr_ffi_common 1.1.0...
[INFO] checking wedpr_ffi_common-1.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate wedpr_ffi_common 1.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate wedpr_ffi_common 1.1.0 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 wedpr_ffi_common 1.1.0
[INFO] finished tweaking crates.io crate wedpr_ffi_common 1.1.0
[INFO] tweaked toml for crates.io crate wedpr_ffi_common 1.1.0 written to /workspace/builds/worker-7-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 46 packages
[INFO] [stderr]       Adding ascii v0.9.3 (latest: v1.1.0)
[INFO] [stderr]       Adding base64 v0.13.1 (latest: v0.22.0)
[INFO] [stderr]       Adding combine v3.8.1 (latest: v4.6.6)
[INFO] [stderr]       Adding jni v0.13.1 (latest: v0.21.1)
[INFO] [stderr]       Adding jni-sys v0.3.0 (latest: v0.4.0)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding synstructure v0.12.6 (latest: v0.13.1)
[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 wedpr_l_common_coder_hex v1.1.0
[INFO] [stderr]   Downloaded wedpr_l_utils v1.1.0
[INFO] [stderr]   Downloaded wedpr_ffi_macros v1.1.0
[INFO] [stderr]   Downloaded wedpr_l_common_coder_base64 v1.1.0
[INFO] [stderr]   Downloaded wedpr_l_macros v1.0.0
[INFO] [stderr]   Downloaded jni v0.13.1
[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] f24085dba9aa29f65bb7c391ea35a4f271e65efc4ef3b45ea25e438d9f0d6de7
[INFO] running `Command { std: "docker" "start" "-a" "f24085dba9aa29f65bb7c391ea35a4f271e65efc4ef3b45ea25e438d9f0d6de7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f24085dba9aa29f65bb7c391ea35a4f271e65efc4ef3b45ea25e438d9f0d6de7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f24085dba9aa29f65bb7c391ea35a4f271e65efc4ef3b45ea25e438d9f0d6de7", kill_on_drop: false }`
[INFO] [stdout] f24085dba9aa29f65bb7c391ea35a4f271e65efc4ef3b45ea25e438d9f0d6de7
[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] 0d581db1d343ffcfd4604cd5db78335b3af8614627ca9fa47f6d15358ff9c16a
[INFO] running `Command { std: "docker" "start" "-a" "0d581db1d343ffcfd4604cd5db78335b3af8614627ca9fa47f6d15358ff9c16a", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking ascii v0.9.3
[INFO] [stderr]    Compiling backtrace v0.3.71
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking wedpr_l_macros v1.0.0
[INFO] [stderr]    Compiling jni v0.13.1
[INFO] [stderr]     Checking cesu8 v1.1.0
[INFO] [stderr]     Checking jni-sys v0.3.0
[INFO] [stderr]     Checking wedpr_ffi_macros v1.1.0
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]     Checking combine v3.8.1
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking wedpr_l_utils v1.1.0
[INFO] [stderr]     Checking wedpr_l_common_coder_base64 v1.1.0
[INFO] [stderr]     Checking wedpr_ffi_common v1.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: calls to `std::mem::forget` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/utils.rs:205:5
[INFO] [stdout]     |
[INFO] [stdout] 205 |     std::mem::forget(data_slice);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^----------^
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      argument has type `&mut [u8]`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     = note: `#[warn(forgetting_references)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::forget` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/utils.rs:205:5
[INFO] [stdout]     |
[INFO] [stdout] 205 |     std::mem::forget(data_slice);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^----------^
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      argument has type `&mut [u8]`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     = note: `#[warn(forgetting_references)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.72s
[INFO] running `Command { std: "docker" "inspect" "0d581db1d343ffcfd4604cd5db78335b3af8614627ca9fa47f6d15358ff9c16a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d581db1d343ffcfd4604cd5db78335b3af8614627ca9fa47f6d15358ff9c16a", kill_on_drop: false }`
[INFO] [stdout] 0d581db1d343ffcfd4604cd5db78335b3af8614627ca9fa47f6d15358ff9c16a