[INFO] fetching crate tonic-richer-error 0.3.2...
[INFO] checking tonic-richer-error-0.3.2 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate tonic-richer-error 0.3.2 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate tonic-richer-error 0.3.2 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 tonic-richer-error 0.3.2
[INFO] finished tweaking crates.io crate tonic-richer-error 0.3.2
[INFO] tweaked toml for crates.io crate tonic-richer-error 0.3.2 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 83 packages
[INFO] [stderr]       Adding base64 v0.13.1 (latest: v0.22.0)
[INFO] [stderr]       Adding fixedbitset v0.4.2 (latest: v0.5.6)
[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 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 syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding tonic v0.8.3 (latest: v0.11.0)
[INFO] [stderr]       Adding which v4.4.2 (latest: v6.0.1)
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tonic v0.8.3
[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] 3e9be3b356bf141a4d68ec298159e8aba11b8413b33d50351649a7d50db16a15
[INFO] running `Command { std: "docker" "start" "-a" "3e9be3b356bf141a4d68ec298159e8aba11b8413b33d50351649a7d50db16a15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e9be3b356bf141a4d68ec298159e8aba11b8413b33d50351649a7d50db16a15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e9be3b356bf141a4d68ec298159e8aba11b8413b33d50351649a7d50db16a15", kill_on_drop: false }`
[INFO] [stdout] 3e9be3b356bf141a4d68ec298159e8aba11b8413b33d50351649a7d50db16a15
[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] 9f47619ba9d6f3ac2fe7fa09cdf3d1369faaf087a00b991a5ab4aeba3956d1d9
[INFO] running `Command { std: "docker" "start" "-a" "9f47619ba9d6f3ac2fe7fa09cdf3d1369faaf087a00b991a5ab4aeba3956d1d9", kill_on_drop: false }`
[INFO] [stderr]    Compiling bytes v1.6.0
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking prost v0.11.9
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking tower-layer v0.3.2
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking prost-types v0.11.9
[INFO] [stderr]     Checking tokio-stream v0.1.15
[INFO] [stderr]    Compiling prost-build v0.11.9
[INFO] [stderr]    Compiling tonic-richer-error v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]    Compiling async-stream-impl v0.3.5
[INFO] [stderr]    Compiling async-trait v0.1.79
[INFO] [stderr]     Checking async-stream v0.3.5
[INFO] [stderr]     Checking pin-project v1.1.5
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking tonic v0.8.3
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/std_messages/retry_info.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/std_messages/retry_info.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` 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 20.44s
[INFO] running `Command { std: "docker" "inspect" "9f47619ba9d6f3ac2fe7fa09cdf3d1369faaf087a00b991a5ab4aeba3956d1d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f47619ba9d6f3ac2fe7fa09cdf3d1369faaf087a00b991a5ab4aeba3956d1d9", kill_on_drop: false }`
[INFO] [stdout] 9f47619ba9d6f3ac2fe7fa09cdf3d1369faaf087a00b991a5ab4aeba3956d1d9