[INFO] fetching crate validiter 0.3.0...
[INFO] building validiter-0.3.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate validiter 0.3.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate validiter 0.3.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate validiter 0.3.0
[INFO] tweaked toml for crates.io crate validiter 0.3.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate validiter 0.3.0 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] crate crates.io crate validiter 0.3.0 already has a lockfile, it will not be regenerated
[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 proc-macro2 v1.0.74
[INFO] [stderr]   Downloaded serde v1.0.194
[INFO] [stderr]   Downloaded serde_derive v1.0.194
[INFO] [stderr]   Downloaded syn v2.0.46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 8c5fc9e9f6ce687f797751c6ca11cc99939e6718c5c4242042c4bbceaf0f6740
[INFO] running `Command { std: "docker" "start" "-a" "8c5fc9e9f6ce687f797751c6ca11cc99939e6718c5c4242042c4bbceaf0f6740", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c5fc9e9f6ce687f797751c6ca11cc99939e6718c5c4242042c4bbceaf0f6740", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c5fc9e9f6ce687f797751c6ca11cc99939e6718c5c4242042c4bbceaf0f6740", kill_on_drop: false }`
[INFO] [stdout] 8c5fc9e9f6ce687f797751c6ca11cc99939e6718c5c4242042c4bbceaf0f6740
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 00d5588c12609b10843647ebf747cb60d99e2a00f13927f384f6f8ef0a5e34bf
[INFO] running `Command { std: "docker" "start" "-a" "00d5588c12609b10843647ebf747cb60d99e2a00f13927f384f6f8ef0a5e34bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling validiter v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "00d5588c12609b10843647ebf747cb60d99e2a00f13927f384f6f8ef0a5e34bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00d5588c12609b10843647ebf747cb60d99e2a00f13927f384f6f8ef0a5e34bf", kill_on_drop: false }`
[INFO] [stdout] 00d5588c12609b10843647ebf747cb60d99e2a00f13927f384f6f8ef0a5e34bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] a0eb9bf485702574c49064b06d50de6067a4ab5694217aee21fe61c6566d5d18
[INFO] running `Command { std: "docker" "start" "-a" "a0eb9bf485702574c49064b06d50de6067a4ab5694217aee21fe61c6566d5d18", kill_on_drop: false }`
[INFO] [stderr]    Compiling validiter v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "a0eb9bf485702574c49064b06d50de6067a4ab5694217aee21fe61c6566d5d18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0eb9bf485702574c49064b06d50de6067a4ab5694217aee21fe61c6566d5d18", kill_on_drop: false }`
[INFO] [stdout] a0eb9bf485702574c49064b06d50de6067a4ab5694217aee21fe61c6566d5d18