[INFO] cloning repository https://github.com/jatin837/neardy_bird
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jatin837/neardy_bird" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjatin837%2Fneardy_bird", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjatin837%2Fneardy_bird'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 142eafebfe2d931b7b89bee1cca406f2c6420e52
[INFO] checking jatin837/neardy_bird against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjatin837%2Fneardy_bird" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jatin837/neardy_bird on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jatin837/neardy_bird
[INFO] finished tweaking git repo https://github.com/jatin837/neardy_bird
[INFO] tweaked toml for git repo https://github.com/jatin837/neardy_bird written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/jatin837/neardy_bird already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ae392cc87520f86a675b55613e85a9b2740f2060c298fed19d79324387c66c1a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ae392cc87520f86a675b55613e85a9b2740f2060c298fed19d79324387c66c1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae392cc87520f86a675b55613e85a9b2740f2060c298fed19d79324387c66c1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae392cc87520f86a675b55613e85a9b2740f2060c298fed19d79324387c66c1a", kill_on_drop: false }`
[INFO] [stdout] ae392cc87520f86a675b55613e85a9b2740f2060c298fed19d79324387c66c1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dfddb92eb1b6b1157a921d94db1a27df1494190f871970f46ad66ee73d70af6b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "dfddb92eb1b6b1157a921d94db1a27df1494190f871970f46ad66ee73d70af6b", kill_on_drop: false }`
[INFO] [stderr]     Checking neardy_bird v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: the type `String` cannot be indexed by `{integer}`
[INFO] [stdout]   --> src/main.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     s[10] = "a";
[INFO] [stdout]    |     ^^^^^ `String` cannot be indexed by `{integer}`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Index<{integer}>` is not implemented for `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `neardy_bird`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0277]: the type `String` cannot be indexed by `{integer}`
[INFO] [stdout]   --> src/main.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     s[10] = "a";
[INFO] [stdout]    |     ^^^^^ `String` cannot be indexed by `{integer}`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Index<{integer}>` is not implemented for `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "dfddb92eb1b6b1157a921d94db1a27df1494190f871970f46ad66ee73d70af6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfddb92eb1b6b1157a921d94db1a27df1494190f871970f46ad66ee73d70af6b", kill_on_drop: false }`
[INFO] [stdout] dfddb92eb1b6b1157a921d94db1a27df1494190f871970f46ad66ee73d70af6b