[INFO] fetching crate from 0.1.4...
[INFO] building from-0.1.4 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate from 0.1.4 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate from 0.1.4
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate from 0.1.4
[INFO] tweaked toml for crates.io crate from 0.1.4 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate from 0.1.4 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded from_proc v0.1.2
[INFO] [stderr]   Downloaded loop-code v0.5.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fe13a10f48ea624a686ae4beaeb98b36aad52b711e8bdfc6ed0d1adbfd657ba6
[INFO] running `Command { std: "docker" "start" "-a" "fe13a10f48ea624a686ae4beaeb98b36aad52b711e8bdfc6ed0d1adbfd657ba6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe13a10f48ea624a686ae4beaeb98b36aad52b711e8bdfc6ed0d1adbfd657ba6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe13a10f48ea624a686ae4beaeb98b36aad52b711e8bdfc6ed0d1adbfd657ba6", kill_on_drop: false }`
[INFO] [stdout] fe13a10f48ea624a686ae4beaeb98b36aad52b711e8bdfc6ed0d1adbfd657ba6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b8b44f0786147da946221851052526e17f0860411a8ce15b9f04db0355c82510
[INFO] running `Command { std: "docker" "start" "-a" "b8b44f0786147da946221851052526e17f0860411a8ce15b9f04db0355c82510", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling loop-code v0.5.2
[INFO] [stderr]    Compiling from_proc v0.1.2
[INFO] [stderr]    Compiling from v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Err`, `Errs`, `SyntaxErr`, and `ValidationErr`
[INFO] [stdout]   --> src/err/err.rs:97:17
[INFO] [stdout]    |
[INFO] [stdout] 97 |     use super::{Err, Errs, SyntaxErr, ValidationErr};
[INFO] [stdout]    |                 ^^^  ^^^^  ^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.97s
[INFO] running `Command { std: "docker" "inspect" "b8b44f0786147da946221851052526e17f0860411a8ce15b9f04db0355c82510", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8b44f0786147da946221851052526e17f0860411a8ce15b9f04db0355c82510", kill_on_drop: false }`
[INFO] [stdout] b8b44f0786147da946221851052526e17f0860411a8ce15b9f04db0355c82510
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 66234da122c7ff89a12a48c7a3e54b538228cc38ee097d56e58bb4cf5934aa58
[INFO] running `Command { std: "docker" "start" "-a" "66234da122c7ff89a12a48c7a3e54b538228cc38ee097d56e58bb4cf5934aa58", kill_on_drop: false }`
[INFO] [stderr]    Compiling from v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Err`, `Errs`, `SyntaxErr`, and `ValidationErr`
[INFO] [stdout]   --> src/err/err.rs:97:17
[INFO] [stdout]    |
[INFO] [stdout] 97 |     use super::{Err, Errs, SyntaxErr, ValidationErr};
[INFO] [stdout]    |                 ^^^  ^^^^  ^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 50.30s
[INFO] running `Command { std: "docker" "inspect" "66234da122c7ff89a12a48c7a3e54b538228cc38ee097d56e58bb4cf5934aa58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66234da122c7ff89a12a48c7a3e54b538228cc38ee097d56e58bb4cf5934aa58", kill_on_drop: false }`
[INFO] [stdout] 66234da122c7ff89a12a48c7a3e54b538228cc38ee097d56e58bb4cf5934aa58