[INFO] cloning repository https://github.com/ScrubbyAlien/merge-sort-implementationer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ScrubbyAlien/merge-sort-implementationer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FScrubbyAlien%2Fmerge-sort-implementationer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FScrubbyAlien%2Fmerge-sort-implementationer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8111cbc7d75e3262ff9c1c9d682a75ff0aba8b1c
[INFO] checking ScrubbyAlien/merge-sort-implementationer against try#fa4dd1f19bfeb3fd235dc7f1406c42404436bef5 for pr-145108-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FScrubbyAlien%2Fmerge-sort-implementationer" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-5-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/ScrubbyAlien/merge-sort-implementationer
[INFO] finished tweaking git repo https://github.com/ScrubbyAlien/merge-sort-implementationer
[INFO] tweaked toml for git repo https://github.com/ScrubbyAlien/merge-sort-implementationer written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ScrubbyAlien/merge-sort-implementationer on toolchain fa4dd1f19bfeb3fd235dc7f1406c42404436bef5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fa4dd1f19bfeb3fd235dc7f1406c42404436bef5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ScrubbyAlien/merge-sort-implementationer 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" "+fa4dd1f19bfeb3fd235dc7f1406c42404436bef5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+fa4dd1f19bfeb3fd235dc7f1406c42404436bef5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ae02e62f7d51d2d17981dd791770215c7e62a4ccb566a6a9696cae3f9c28d825
[INFO] running `Command { std: "docker" "start" "-a" "ae02e62f7d51d2d17981dd791770215c7e62a4ccb566a6a9696cae3f9c28d825", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae02e62f7d51d2d17981dd791770215c7e62a4ccb566a6a9696cae3f9c28d825", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae02e62f7d51d2d17981dd791770215c7e62a4ccb566a6a9696cae3f9c28d825", kill_on_drop: false }`
[INFO] [stdout] ae02e62f7d51d2d17981dd791770215c7e62a4ccb566a6a9696cae3f9c28d825
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+fa4dd1f19bfeb3fd235dc7f1406c42404436bef5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] add3c13ff64cad6c53abab4a6b4bb217a0bfc7b02e11cebb20614c615ae4c00e
[INFO] running `Command { std: "docker" "start" "-a" "add3c13ff64cad6c53abab4a6b4bb217a0bfc7b02e11cebb20614c615ae4c00e", kill_on_drop: false }`
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[INFO] [stdout] warning: field `debug` is never read
[INFO] [stdout]   --> src/experiment.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub struct ExperimentParameters {
[INFO] [stdout]    |            -------------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 50 |     pub debug: bool,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]    --> src/experiment.rs:128:31
[INFO] [stdout]     |
[INFO] [stdout] 128 | pub struct ExperimentProgress(pub usize, pub usize, pub bool);
[INFO] [stdout]     |            ------------------ ^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            fields in this struct
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]     |
[INFO] [stdout] 128 - pub struct ExperimentProgress(pub usize, pub usize, pub bool);
[INFO] [stdout] 128 + pub struct ExperimentProgress((), (), pub bool);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `debug` is never read
[INFO] [stdout]   --> src/experiment.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub struct ExperimentParameters {
[INFO] [stdout]    |            -------------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 50 |     pub debug: bool,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]    --> src/experiment.rs:128:31
[INFO] [stdout]     |
[INFO] [stdout] 128 | pub struct ExperimentProgress(pub usize, pub usize, pub bool);
[INFO] [stdout]     |            ------------------ ^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            fields in this struct
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]     |
[INFO] [stdout] 128 - pub struct ExperimentProgress(pub usize, pub usize, pub bool);
[INFO] [stdout] 128 + pub struct ExperimentProgress((), (), pub bool);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [optimized + debuginfo] target(s) in 5m 19s
[INFO] running `Command { std: "docker" "inspect" "add3c13ff64cad6c53abab4a6b4bb217a0bfc7b02e11cebb20614c615ae4c00e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "add3c13ff64cad6c53abab4a6b4bb217a0bfc7b02e11cebb20614c615ae4c00e", kill_on_drop: false }`
[INFO] [stdout] add3c13ff64cad6c53abab4a6b4bb217a0bfc7b02e11cebb20614c615ae4c00e