[INFO] cloning repository https://github.com/10d9e/bootstrap
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/10d9e/bootstrap" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F10d9e%2Fbootstrap", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F10d9e%2Fbootstrap'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b4a3b3c5385dba63a727627772c5b04514626e54
[INFO] checking 10d9e/bootstrap against 4a9d5368df6450bbd2fc8dde4508c3e5d83bb19d for pr-159598
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F10d9e%2Fbootstrap" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-6-tc2/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-6-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/10d9e/bootstrap
[INFO] finished tweaking git repo https://github.com/10d9e/bootstrap
[INFO] tweaked toml for git repo https://github.com/10d9e/bootstrap written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/10d9e/bootstrap on toolchain 4a9d5368df6450bbd2fc8dde4508c3e5d83bb19d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4a9d5368df6450bbd2fc8dde4508c3e5d83bb19d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/10d9e/bootstrap 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" "+4a9d5368df6450bbd2fc8dde4508c3e5d83bb19d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:00c5645b54fe3ce5dae1417175e3c7fb6a6646c021d554ecd63a097b8b9f3602" "sleep" "infinity", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "490645ded949c54b1c8e4fc89a9ae5ab063e187ddaed514065bf97eaa2d880f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "490645ded949c54b1c8e4fc89a9ae5ab063e187ddaed514065bf97eaa2d880f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "490645ded949c54b1c8e4fc89a9ae5ab063e187ddaed514065bf97eaa2d880f0" "/opt/rustwide/cargo-home/bin/cargo" "+4a9d5368df6450bbd2fc8dde4508c3e5d83bb19d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "490645ded949c54b1c8e4fc89a9ae5ab063e187ddaed514065bf97eaa2d880f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "490645ded949c54b1c8e4fc89a9ae5ab063e187ddaed514065bf97eaa2d880f0" "/opt/rustwide/cargo-home/bin/cargo" "+4a9d5368df6450bbd2fc8dde4508c3e5d83bb19d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]     Checking bootstrap v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `k` is never read
[INFO] [stdout]   --> src/algorithm/mod.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 67 | struct GlweAcc {
[INFO] [stdout]    |        ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 74 |     k: usize,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAX_L` is never used
[INFO] [stdout]    --> src/algorithm/mod.rs:208:7
[INFO] [stdout]     |
[INFO] [stdout] 208 | const MAX_L: usize = 16;
[INFO] [stdout]     |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `decompose` is never used
[INFO] [stdout]    --> src/algorithm/mod.rs:211:4
[INFO] [stdout]     |
[INFO] [stdout] 211 | fn decompose(v: u64, l: usize, baselog: u32) -> [i64; MAX_L] {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `prefetch_burst` is never used
[INFO] [stdout]     --> src/algorithm/mod.rs:1146:8
[INFO] [stdout]      |
[INFO] [stdout] 1146 |     fn prefetch_burst(colrows: &[f64]) {
[INFO] [stdout]      |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SpinBarrier` is never constructed
[INFO] [stdout]     --> src/algorithm/mod.rs:1161:23
[INFO] [stdout]      |
[INFO] [stdout] 1161 |     pub(super) struct SpinBarrier {
[INFO] [stdout]      |                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `wait` are never used
[INFO] [stdout]     --> src/algorithm/mod.rs:1167:16
[INFO] [stdout]      |
[INFO] [stdout] 1166 |     impl SpinBarrier {
[INFO] [stdout]      |     ---------------- associated items in this implementation
[INFO] [stdout] 1167 |         pub fn new(n: usize) -> Self {
[INFO] [stdout]      |                ^^^
[INFO] [stdout] ...
[INFO] [stdout] 1171 |         pub fn wait(&self) {
[INFO] [stdout]      |                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `k` is never read
[INFO] [stdout]   --> src/algorithm/mod.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 67 | struct GlweAcc {
[INFO] [stdout]    |        ------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 74 |     k: usize,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAX_L` is never used
[INFO] [stdout]    --> src/algorithm/mod.rs:208:7
[INFO] [stdout]     |
[INFO] [stdout] 208 | const MAX_L: usize = 16;
[INFO] [stdout]     |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `decompose` is never used
[INFO] [stdout]    --> src/algorithm/mod.rs:211:4
[INFO] [stdout]     |
[INFO] [stdout] 211 | fn decompose(v: u64, l: usize, baselog: u32) -> [i64; MAX_L] {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `prefetch_burst` is never used
[INFO] [stdout]     --> src/algorithm/mod.rs:1146:8
[INFO] [stdout]      |
[INFO] [stdout] 1146 |     fn prefetch_burst(colrows: &[f64]) {
[INFO] [stdout]      |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SpinBarrier` is never constructed
[INFO] [stdout]     --> src/algorithm/mod.rs:1161:23
[INFO] [stdout]      |
[INFO] [stdout] 1161 |     pub(super) struct SpinBarrier {
[INFO] [stdout]      |                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `wait` are never used
[INFO] [stdout]     --> src/algorithm/mod.rs:1167:16
[INFO] [stdout]      |
[INFO] [stdout] 1166 |     impl SpinBarrier {
[INFO] [stdout]      |     ---------------- associated items in this implementation
[INFO] [stdout] 1167 |         pub fn new(n: usize) -> Self {
[INFO] [stdout]      |                ^^^
[INFO] [stdout] ...
[INFO] [stdout] 1171 |         pub fn wait(&self) {
[INFO] [stdout]      |                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 36s
[INFO] running `Command { std: "docker" "inspect" "490645ded949c54b1c8e4fc89a9ae5ab063e187ddaed514065bf97eaa2d880f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "490645ded949c54b1c8e4fc89a9ae5ab063e187ddaed514065bf97eaa2d880f0", kill_on_drop: false }`
[INFO] [stdout] 490645ded949c54b1c8e4fc89a9ae5ab063e187ddaed514065bf97eaa2d880f0
