[INFO] fetching crate rs_algo 0.2.1...
[INFO] building rs_algo-0.2.1 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate rs_algo 0.2.1 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate rs_algo 0.2.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate rs_algo 0.2.1
[INFO] tweaked toml for crates.io crate rs_algo 0.2.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rs_algo 0.2.1 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rs_algo 0.2.1 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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d66f7d2e482238736dd68b2100536bb4ebdfe57a3796a20a6d059059afcecf88
[INFO] running `Command { std: "docker" "start" "-a" "d66f7d2e482238736dd68b2100536bb4ebdfe57a3796a20a6d059059afcecf88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d66f7d2e482238736dd68b2100536bb4ebdfe57a3796a20a6d059059afcecf88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d66f7d2e482238736dd68b2100536bb4ebdfe57a3796a20a6d059059afcecf88", kill_on_drop: false }`
[INFO] [stdout] d66f7d2e482238736dd68b2100536bb4ebdfe57a3796a20a6d059059afcecf88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e5fa8bc409907ef47ec39466cf34533e2841d4ab8ecfee5e3d853d35fff5fc91
[INFO] running `Command { std: "docker" "start" "-a" "e5fa8bc409907ef47ec39466cf34533e2841d4ab8ecfee5e3d853d35fff5fc91", kill_on_drop: false }`
[INFO] [stderr]    Compiling rs_algo v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: useless assignment of variable of type `usize` to itself
[INFO] [stdout]   --> src/search/binary.rs:35:45
[INFO] [stdout]    |
[INFO] [stdout] 35 |             ref value if *value > target => base = base,
[INFO] [stdout]    |                                             ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `right_str` is never read
[INFO] [stdout]   --> src/compare/substring.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct LCSubstring {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 23 |     right_str: String,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LCSubstring` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "e5fa8bc409907ef47ec39466cf34533e2841d4ab8ecfee5e3d853d35fff5fc91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5fa8bc409907ef47ec39466cf34533e2841d4ab8ecfee5e3d853d35fff5fc91", kill_on_drop: false }`
[INFO] [stdout] e5fa8bc409907ef47ec39466cf34533e2841d4ab8ecfee5e3d853d35fff5fc91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 69f31924e500a82d7dd59bfb57f9370a9d8ad1af28ff8d137e8908bae37f6c45
[INFO] running `Command { std: "docker" "start" "-a" "69f31924e500a82d7dd59bfb57f9370a9d8ad1af28ff8d137e8908bae37f6c45", kill_on_drop: false }`
[INFO] [stderr]    Compiling rs_algo v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: useless assignment of variable of type `usize` to itself
[INFO] [stdout]   --> src/search/binary.rs:35:45
[INFO] [stdout]    |
[INFO] [stdout] 35 |             ref value if *value > target => base = base,
[INFO] [stdout]    |                                             ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `right_str` is never read
[INFO] [stdout]   --> src/compare/substring.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct LCSubstring {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 23 |     right_str: String,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LCSubstring` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sorted_bubble`
[INFO] [stdout]   --> examples/algo.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let sorted_bubble = bubble::sort(&a);
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sorted_bubble`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sorted_insertion`
[INFO] [stdout]   --> examples/algo.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let sorted_insertion = insertion::sort(&b);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sorted_insertion`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sorted_merge`
[INFO] [stdout]   --> examples/algo.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let sorted_merge = merge::sort(&c);
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sorted_merge`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sorted_quick`
[INFO] [stdout]   --> examples/algo.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let sorted_quick = quick::sort(&d);
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sorted_quick`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless assignment of variable of type `usize` to itself
[INFO] [stdout]   --> src/search/binary.rs:35:45
[INFO] [stdout]    |
[INFO] [stdout] 35 |             ref value if *value > target => base = base,
[INFO] [stdout]    |                                             ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `right_str` is never read
[INFO] [stdout]   --> src/compare/substring.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct LCSubstring {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 23 |     right_str: String,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LCSubstring` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "69f31924e500a82d7dd59bfb57f9370a9d8ad1af28ff8d137e8908bae37f6c45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69f31924e500a82d7dd59bfb57f9370a9d8ad1af28ff8d137e8908bae37f6c45", kill_on_drop: false }`
[INFO] [stdout] 69f31924e500a82d7dd59bfb57f9370a9d8ad1af28ff8d137e8908bae37f6c45