[INFO] fetching crate convert_case 0.6.0...
[INFO] checking convert_case-0.6.0 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-2
[INFO] extracting crate convert_case 0.6.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate convert_case 0.6.0 on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate convert_case 0.6.0
[INFO] finished tweaking crates.io crate convert_case 0.6.0
[INFO] tweaked toml for crates.io crate convert_case 0.6.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 18 packages
[INFO] [stderr]       Adding getrandom v0.1.16 (latest: v0.2.12)
[INFO] [stderr]       Adding heck v0.3.3 (latest: v0.5.0)
[INFO] [stderr]       Adding rand v0.7.3 (latest: v0.8.5)
[INFO] [stderr]       Adding rand_chacha v0.2.2 (latest: v0.3.1)
[INFO] [stderr]       Adding rand_core v0.5.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_hc v0.2.0 (latest: v0.3.2)
[INFO] [stderr]       Adding strum v0.18.0 (latest: v0.26.2)
[INFO] [stderr]       Adding strum_macros v0.18.0 (latest: v0.26.2)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.57)
[INFO] [stderr]       Adding wasi v0.9.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded strum_macros v0.18.0
[INFO] [stderr]   Downloaded strum v0.18.0
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0e638d30ed78f269befc177ef78af4c904525d9926775a5ae4b4a5d44a94e28b
[INFO] running `Command { std: "docker" "start" "-a" "0e638d30ed78f269befc177ef78af4c904525d9926775a5ae4b4a5d44a94e28b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e638d30ed78f269befc177ef78af4c904525d9926775a5ae4b4a5d44a94e28b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e638d30ed78f269befc177ef78af4c904525d9926775a5ae4b4a5d44a94e28b", kill_on_drop: false }`
[INFO] [stdout] 0e638d30ed78f269befc177ef78af4c904525d9926775a5ae4b4a5d44a94e28b
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9da1f1cd852a9daa37c4b30a15e4c6e478998ddb48027c20646d3d013b99a2e1
[INFO] running `Command { std: "docker" "start" "-a" "9da1f1cd852a9daa37c4b30a15e4c6e478998ddb48027c20646d3d013b99a2e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling unicode-segmentation v1.11.0
[INFO] [stderr]     Checking strum v0.18.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking convert_case v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling strum_macros v0.18.0
[INFO] [stdout] warning: the item `Pattern` is imported redundantly
[INFO] [stdout]    --> src/converter.rs:284:9
[INFO] [stdout]     |
[INFO] [stdout] 282 |     use super::*;
[INFO] [stdout]     |         -------- the item `Pattern` is already imported here
[INFO] [stdout] 283 |     use crate::Casing;
[INFO] [stdout] 284 |     use crate::Pattern;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[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 6.92s
[INFO] running `Command { std: "docker" "inspect" "9da1f1cd852a9daa37c4b30a15e4c6e478998ddb48027c20646d3d013b99a2e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9da1f1cd852a9daa37c4b30a15e4c6e478998ddb48027c20646d3d013b99a2e1", kill_on_drop: false }`
[INFO] [stdout] 9da1f1cd852a9daa37c4b30a15e4c6e478998ddb48027c20646d3d013b99a2e1