[INFO] fetching crate cli-grid 0.1.2...
[INFO] checking cli-grid-0.1.2 against try#9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869 for pr-129249
[INFO] extracting crate cli-grid 0.1.2 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate cli-grid 0.1.2 on toolchain 9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cli-grid 0.1.2
[INFO] finished tweaking crates.io crate cli-grid 0.1.2
[INFO] tweaked toml for crates.io crate cli-grid 0.1.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e55ba04d9b29841bcf8e7c09b651e3bfe7b9c2bae53244bc86bc4ee173fcf08d
[INFO] running `Command { std: "docker" "start" "-a" "e55ba04d9b29841bcf8e7c09b651e3bfe7b9c2bae53244bc86bc4ee173fcf08d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e55ba04d9b29841bcf8e7c09b651e3bfe7b9c2bae53244bc86bc4ee173fcf08d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e55ba04d9b29841bcf8e7c09b651e3bfe7b9c2bae53244bc86bc4ee173fcf08d", kill_on_drop: false }`
[INFO] [stdout] e55ba04d9b29841bcf8e7c09b651e3bfe7b9c2bae53244bc86bc4ee173fcf08d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e27cd1de632fa7dba23687e4720bb085b9489d017cc56f2849eeb533983675f
[INFO] running `Command { std: "docker" "start" "-a" "4e27cd1de632fa7dba23687e4720bb085b9489d017cc56f2849eeb533983675f", kill_on_drop: false }`
[INFO] [stderr]     Checking cli-grid v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: this conversion is useless `String` to `String`
[INFO] [stdout]    --> tests/grid.rs:360:23
[INFO] [stdout]     |
[INFO] [stdout] 360 |             Cell::new(inner_grid_str.to_string().into(), 1),
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cli-grid` (test "grid") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "4e27cd1de632fa7dba23687e4720bb085b9489d017cc56f2849eeb533983675f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e27cd1de632fa7dba23687e4720bb085b9489d017cc56f2849eeb533983675f", kill_on_drop: false }`
[INFO] [stdout] 4e27cd1de632fa7dba23687e4720bb085b9489d017cc56f2849eeb533983675f