[INFO] fetching crate text-size 1.1.0...
[INFO] checking text-size-1.1.0 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate text-size 1.1.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate text-size 1.1.0 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate text-size 1.1.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate text-size 1.1.0
[INFO] tweaked toml for crates.io crate text-size 1.1.0 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f1e40c77fc9dded6f62af590d5bf0106d5a72ee535e56383f5b5893de0ae5afe
[INFO] running `Command { std: "docker" "start" "-a" "f1e40c77fc9dded6f62af590d5bf0106d5a72ee535e56383f5b5893de0ae5afe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1e40c77fc9dded6f62af590d5bf0106d5a72ee535e56383f5b5893de0ae5afe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1e40c77fc9dded6f62af590d5bf0106d5a72ee535e56383f5b5893de0ae5afe", kill_on_drop: false }`
[INFO] [stdout] f1e40c77fc9dded6f62af590d5bf0106d5a72ee535e56383f5b5893de0ae5afe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da93f32e98e280cd87030995d1df758edd45e9580a1daa159296fdefa6cf1aad
[INFO] running `Command { std: "docker" "start" "-a" "da93f32e98e280cd87030995d1df758edd45e9580a1daa159296fdefa6cf1aad", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking text-size v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde_test v1.0.126
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]  --> tests/indexing.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     &""[range];
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]  --> tests/indexing.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     &String::new()[range];
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.67s
[INFO] running `Command { std: "docker" "inspect" "da93f32e98e280cd87030995d1df758edd45e9580a1daa159296fdefa6cf1aad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da93f32e98e280cd87030995d1df758edd45e9580a1daa159296fdefa6cf1aad", kill_on_drop: false }`
[INFO] [stdout] da93f32e98e280cd87030995d1df758edd45e9580a1daa159296fdefa6cf1aad