[INFO] cloning repository https://github.com/releek/three_programs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/releek/three_programs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freleek%2Fthree_programs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freleek%2Fthree_programs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5d3a7f39d8c8624b0ba9a37373895f09eca0da73
[INFO] checking releek/three_programs against master#092a284ba0421695f2032c947765429fd7095796 for pr-139763
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freleek%2Fthree_programs" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/releek/three_programs on toolchain 092a284ba0421695f2032c947765429fd7095796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+092a284ba0421695f2032c947765429fd7095796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/releek/three_programs
[INFO] finished tweaking git repo https://github.com/releek/three_programs
[INFO] tweaked toml for git repo https://github.com/releek/three_programs written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/releek/three_programs 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" "+092a284ba0421695f2032c947765429fd7095796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+092a284ba0421695f2032c947765429fd7095796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 936346e49cddbc20fe62bb2998c0cdc4fab54858bbcbec47a3495ca71a5b67b4
[INFO] running `Command { std: "docker" "start" "-a" "936346e49cddbc20fe62bb2998c0cdc4fab54858bbcbec47a3495ca71a5b67b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "936346e49cddbc20fe62bb2998c0cdc4fab54858bbcbec47a3495ca71a5b67b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "936346e49cddbc20fe62bb2998c0cdc4fab54858bbcbec47a3495ca71a5b67b4", kill_on_drop: false }`
[INFO] [stdout] 936346e49cddbc20fe62bb2998c0cdc4fab54858bbcbec47a3495ca71a5b67b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+092a284ba0421695f2032c947765429fd7095796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 21b35fdc5aa7909c33a0cb16eda3f8299eccf17806af28be4b09f045c91ec8b9
[INFO] running `Command { std: "docker" "start" "-a" "21b35fdc5aa7909c33a0cb16eda3f8299eccf17806af28be4b09f045c91ec8b9", kill_on_drop: false }`
[INFO] [stderr]     Checking three_programs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/grid/profile.rs:5:9
[INFO] [stdout]    |
[INFO] [stdout] 4  | pub struct Profile {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 5  |     pub program: Program,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 6  |     pub repetitions: usize,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 7  |     pub row_count: usize,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 8  |     pub col_count: usize,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 9  |     pub element_count: usize,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 10 |     pub element_sum: usize,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 11 |     pub time_min: f32,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 12 |     pub time_max: f32,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 13 |     pub time_mean: f32,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 14 |     pub time_stdev: f32,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Profile` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/grid/profile.rs:5:9
[INFO] [stdout]    |
[INFO] [stdout] 4  | pub struct Profile {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 5  |     pub program: Program,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 6  |     pub repetitions: usize,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 7  |     pub row_count: usize,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 8  |     pub col_count: usize,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 9  |     pub element_count: usize,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 10 |     pub element_sum: usize,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 11 |     pub time_min: f32,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 12 |     pub time_max: f32,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 13 |     pub time_mean: f32,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 14 |     pub time_stdev: f32,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Profile` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "21b35fdc5aa7909c33a0cb16eda3f8299eccf17806af28be4b09f045c91ec8b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21b35fdc5aa7909c33a0cb16eda3f8299eccf17806af28be4b09f045c91ec8b9", kill_on_drop: false }`
[INFO] [stdout] 21b35fdc5aa7909c33a0cb16eda3f8299eccf17806af28be4b09f045c91ec8b9