[INFO] cloning repository https://github.com/timelessnesses/rust-parser-weird-thing
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/timelessnesses/rust-parser-weird-thing" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimelessnesses%2Frust-parser-weird-thing", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimelessnesses%2Frust-parser-weird-thing'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7d97bbcf1d4b84e862d9a45e22600830e3a21578
[INFO] testing timelessnesses/rust-parser-weird-thing against try#a7ee93192a766fb0dafa23def7154fc03cfcfc3e for pr-146989
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimelessnesses%2Frust-parser-weird-thing" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/timelessnesses/rust-parser-weird-thing
[INFO] finished tweaking git repo https://github.com/timelessnesses/rust-parser-weird-thing
[INFO] tweaked toml for git repo https://github.com/timelessnesses/rust-parser-weird-thing written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/timelessnesses/rust-parser-weird-thing on toolchain a7ee93192a766fb0dafa23def7154fc03cfcfc3e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/timelessnesses/rust-parser-weird-thing 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" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7257399a982f4072c2380ad8c81f5ad77b5d9a3af91c4a6d92b3fd11b90cfaf7
[INFO] running `Command { std: "docker" "start" "-a" "7257399a982f4072c2380ad8c81f5ad77b5d9a3af91c4a6d92b3fd11b90cfaf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7257399a982f4072c2380ad8c81f5ad77b5d9a3af91c4a6d92b3fd11b90cfaf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7257399a982f4072c2380ad8c81f5ad77b5d9a3af91c4a6d92b3fd11b90cfaf7", kill_on_drop: false }`
[INFO] [stdout] 7257399a982f4072c2380ad8c81f5ad77b5d9a3af91c4a6d92b3fd11b90cfaf7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48692f0df34893a8cd2350fa708f6320dbe0b7d288f089106ae7e0580787b362
[INFO] running `Command { std: "docker" "start" "-a" "48692f0df34893a8cd2350fa708f6320dbe0b7d288f089106ae7e0580787b362", kill_on_drop: false }`
[INFO] [stderr]    Compiling questionmark v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this operation will panic at runtime
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     returns_slice()[1];
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^ index out of bounds: the length is 1 but the index is 1
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(unconditional_panic)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this operation will panic at runtime
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     built_for_this().0[1];
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^ index out of bounds: the length is 1 but the index is 1
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this operation will panic at runtime
[INFO] [stdout]   --> src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     SliceStruct([()]).0[1];
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^ index out of bounds: the length is 1 but the index is 1
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `questionmark` (bin "questionmark") due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "48692f0df34893a8cd2350fa708f6320dbe0b7d288f089106ae7e0580787b362", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48692f0df34893a8cd2350fa708f6320dbe0b7d288f089106ae7e0580787b362", kill_on_drop: false }`
[INFO] [stdout] 48692f0df34893a8cd2350fa708f6320dbe0b7d288f089106ae7e0580787b362