[INFO] fetching crate specimen__focustree 0.1.0...
[INFO] checking specimen__focustree-0.1.0 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate specimen__focustree 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate specimen__focustree 0.1.0
[INFO] finished tweaking crates.io crate specimen__focustree 0.1.0
[INFO] tweaked toml for crates.io crate specimen__focustree 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate specimen__focustree 0.1.0 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded specimen__writable v0.1.0
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b13ffb5c5e6c7eb9065158e68bd0894266e9eb2ed725e38de89d7521b39bfc3
[INFO] running `Command { std: "docker" "start" "-a" "2b13ffb5c5e6c7eb9065158e68bd0894266e9eb2ed725e38de89d7521b39bfc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b13ffb5c5e6c7eb9065158e68bd0894266e9eb2ed725e38de89d7521b39bfc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b13ffb5c5e6c7eb9065158e68bd0894266e9eb2ed725e38de89d7521b39bfc3", kill_on_drop: false }`
[INFO] [stdout] 2b13ffb5c5e6c7eb9065158e68bd0894266e9eb2ed725e38de89d7521b39bfc3
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 98cf86ed8be45c0f7554e24ee5a8f15c584b81ba3cc738c4b214bede98f3e169
[INFO] running `Command { std: "docker" "start" "-a" "98cf86ed8be45c0f7554e24ee5a8f15c584b81ba3cc738c4b214bede98f3e169", kill_on_drop: false }`
[INFO] [stderr]     Checking specimen__writable v0.1.0
[INFO] [stderr]     Checking specimen__focustree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `specimen__focustree` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `specimen_focustree`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "98cf86ed8be45c0f7554e24ee5a8f15c584b81ba3cc738c4b214bede98f3e169", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98cf86ed8be45c0f7554e24ee5a8f15c584b81ba3cc738c4b214bede98f3e169", kill_on_drop: false }`
[INFO] [stdout] 98cf86ed8be45c0f7554e24ee5a8f15c584b81ba3cc738c4b214bede98f3e169