[INFO] fetching crate deskc-amirgen 0.0.0...
[INFO] checking deskc-amirgen-0.0.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate deskc-amirgen 0.0.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate deskc-amirgen 0.0.0 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate deskc-amirgen 0.0.0
[INFO] finished tweaking crates.io crate deskc-amirgen 0.0.0
[INFO] tweaked toml for crates.io crate deskc-amirgen 0.0.0 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 12 packages
[INFO] [stderr]       Adding uuid v0.8.2 (latest: v1.8.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded deskc-thir v0.0.0
[INFO] [stderr]   Downloaded deskc-link v0.0.0
[INFO] [stderr]   Downloaded deskc-amir v0.0.0
[INFO] [stderr]   Downloaded deskc-types v0.0.0
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b673ace4aec36a758c15641aa62d15d0d59f48d5ea9ce606c95890698a0376b9
[INFO] running `Command { std: "docker" "start" "-a" "b673ace4aec36a758c15641aa62d15d0d59f48d5ea9ce606c95890698a0376b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b673ace4aec36a758c15641aa62d15d0d59f48d5ea9ce606c95890698a0376b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b673ace4aec36a758c15641aa62d15d0d59f48d5ea9ce606c95890698a0376b9", kill_on_drop: false }`
[INFO] [stdout] b673ace4aec36a758c15641aa62d15d0d59f48d5ea9ce606c95890698a0376b9
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b03b2da702652043a4027d123d1f954c49eb47d593feb427907e27e60c68436
[INFO] running `Command { std: "docker" "start" "-a" "8b03b2da702652043a4027d123d1f954c49eb47d593feb427907e27e60c68436", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]     Checking deskc-types v0.0.0
[INFO] [stderr]     Checking deskc-link v0.0.0
[INFO] [stderr]     Checking deskc-amir v0.0.0
[INFO] [stderr]     Checking deskc-thir v0.0.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]     Checking deskc-amirgen v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `ATerminator` is imported redundantly
[INFO] [stdout]    --> src/lib.rs:347:16
[INFO] [stdout]     |
[INFO] [stdout] 347 |         stmt::{ATerminator, StmtBind},
[INFO] [stdout]     |                ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 351 |     use super::*;
[INFO] [stdout]     |         -------- the item `ATerminator` is already imported 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.67s
[INFO] running `Command { std: "docker" "inspect" "8b03b2da702652043a4027d123d1f954c49eb47d593feb427907e27e60c68436", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b03b2da702652043a4027d123d1f954c49eb47d593feb427907e27e60c68436", kill_on_drop: false }`
[INFO] [stdout] 8b03b2da702652043a4027d123d1f954c49eb47d593feb427907e27e60c68436