[INFO] cloning repository https://github.com/joelparkerhenderson/demo-rust-string-issues
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/joelparkerhenderson/demo-rust-string-issues" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoelparkerhenderson%2Fdemo-rust-string-issues", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoelparkerhenderson%2Fdemo-rust-string-issues'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 698683c470c0069e9a734fa9cfffdee976b8136b
[INFO] checking joelparkerhenderson/demo-rust-string-issues against master#ed141926048597e3649bb238ca3dc417904cd56c for pr-134300
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoelparkerhenderson%2Fdemo-rust-string-issues" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/joelparkerhenderson/demo-rust-string-issues on toolchain ed141926048597e3649bb238ca3dc417904cd56c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ed141926048597e3649bb238ca3dc417904cd56c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/joelparkerhenderson/demo-rust-string-issues
[INFO] finished tweaking git repo https://github.com/joelparkerhenderson/demo-rust-string-issues
[INFO] tweaked toml for git repo https://github.com/joelparkerhenderson/demo-rust-string-issues written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/joelparkerhenderson/demo-rust-string-issues 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" "+ed141926048597e3649bb238ca3dc417904cd56c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ed141926048597e3649bb238ca3dc417904cd56c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3a529af647e714c195b9189be1f0b706cdb05d3a01baca1e654bb181c49a4af6
[INFO] running `Command { std: "docker" "start" "-a" "3a529af647e714c195b9189be1f0b706cdb05d3a01baca1e654bb181c49a4af6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a529af647e714c195b9189be1f0b706cdb05d3a01baca1e654bb181c49a4af6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a529af647e714c195b9189be1f0b706cdb05d3a01baca1e654bb181c49a4af6", kill_on_drop: false }`
[INFO] [stdout] 3a529af647e714c195b9189be1f0b706cdb05d3a01baca1e654bb181c49a4af6
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ed141926048597e3649bb238ca3dc417904cd56c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a017b2dda52740a4ca1c3b1081c2ab8a0f0d534d524b8eb335c0675811a35916
[INFO] running `Command { std: "docker" "start" "-a" "a017b2dda52740a4ca1c3b1081c2ab8a0f0d534d524b8eb335c0675811a35916", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-segmentation v1.7.1
[INFO] [stderr]     Checking unicode-reverse v1.0.8
[INFO] [stderr]     Checking demo-rust-string-issues v2.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "a017b2dda52740a4ca1c3b1081c2ab8a0f0d534d524b8eb335c0675811a35916", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a017b2dda52740a4ca1c3b1081c2ab8a0f0d534d524b8eb335c0675811a35916", kill_on_drop: false }`
[INFO] [stdout] a017b2dda52740a4ca1c3b1081c2ab8a0f0d534d524b8eb335c0675811a35916