[INFO] fetching crate text-score 0.1.0...
[INFO] testing text-score-0.1.0 against 1.95.0 for beta-1.96-2
[INFO] extracting crate text-score 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate text-score 0.1.0
[INFO] finished tweaking crates.io crate text-score 0.1.0
[INFO] tweaked toml for crates.io crate text-score 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate text-score 0.1.0 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3612f05003fe7e23163f19e219038a15d0e430fcdb4c50ba4b435c8bfcd7e330
[INFO] running `Command { std: "docker" "start" "-a" "3612f05003fe7e23163f19e219038a15d0e430fcdb4c50ba4b435c8bfcd7e330", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3612f05003fe7e23163f19e219038a15d0e430fcdb4c50ba4b435c8bfcd7e330", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3612f05003fe7e23163f19e219038a15d0e430fcdb4c50ba4b435c8bfcd7e330", kill_on_drop: false }`
[INFO] [stdout] 3612f05003fe7e23163f19e219038a15d0e430fcdb4c50ba4b435c8bfcd7e330
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d80e4344d36fdba9330215f6fca46cf9297fa2a68b578e0fa989c094da60de44
[INFO] running `Command { std: "docker" "start" "-a" "d80e4344d36fdba9330215f6fca46cf9297fa2a68b578e0fa989c094da60de44", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling anyhow v1.0.102
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling text-score v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/rouge.rs:160:9
[INFO] [stdout]     |
[INFO] [stdout] 160 |     let mut input_ngrams = create_ngrams(input_words, n);
[INFO] [stdout]     |         ----^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/rouge.rs:161:9
[INFO] [stdout]     |
[INFO] [stdout] 161 |     let mut reference_ngrams = create_ngrams(reference_words, n);
[INFO] [stdout]     |         ----^^^^^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.60s
[INFO] running `Command { std: "docker" "inspect" "d80e4344d36fdba9330215f6fca46cf9297fa2a68b578e0fa989c094da60de44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d80e4344d36fdba9330215f6fca46cf9297fa2a68b578e0fa989c094da60de44", kill_on_drop: false }`
[INFO] [stdout] d80e4344d36fdba9330215f6fca46cf9297fa2a68b578e0fa989c094da60de44
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 80abb8b6119c28489c461f36da27a7b103b721b226e974f7e6f6bc855c091c94
[INFO] running `Command { std: "docker" "start" "-a" "80abb8b6119c28489c461f36da27a7b103b721b226e974f7e6f6bc855c091c94", kill_on_drop: false }`
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/rouge.rs:160:9
[INFO] [stdout]     |
[INFO] [stdout] 160 |     let mut input_ngrams = create_ngrams(input_words, n);
[INFO] [stdout]     |         ----^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/rouge.rs:161:9
[INFO] [stdout]     |
[INFO] [stdout] 161 |     let mut reference_ngrams = create_ngrams(reference_words, n);
[INFO] [stdout]     |         ----^^^^^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling text-score v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: cannot find module or crate `metrics_rs` in this scope
[INFO] [stdout]  --> tests/test_commons.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use metrics_rs::commons::{f1, precision, recall};
[INFO] [stdout]   |     ^^^^^^^^^^ use of unresolved module or unlinked crate `metrics_rs`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `metrics_rs`, use `cargo add metrics_rs` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `metrics_rs` in this scope
[INFO] [stdout]  --> tests/test_rouge.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use metrics_rs::rouge::{create_ngrams, rouge_n};
[INFO] [stdout]   |     ^^^^^^^^^^ use of unresolved module or unlinked crate `metrics_rs`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `metrics_rs`, use `cargo add metrics_rs` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `metrics_rs` in this scope
[INFO] [stdout]  --> tests/test_rouge.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use metrics_rs::commons::{f1, precision, recall};
[INFO] [stdout]   |     ^^^^^^^^^^ use of unresolved module or unlinked crate `metrics_rs`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `metrics_rs`, use `cargo add metrics_rs` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/rouge.rs:160:9
[INFO] [stdout]     |
[INFO] [stdout] 160 |     let mut input_ngrams = create_ngrams(input_words, n);
[INFO] [stdout]     |         ----^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/rouge.rs:161:9
[INFO] [stdout]     |
[INFO] [stdout] 161 |     let mut reference_ngrams = create_ngrams(reference_words, n);
[INFO] [stdout]     |         ----^^^^^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `text-score` (test "test_commons") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `text-score` (test "test_rouge") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "80abb8b6119c28489c461f36da27a7b103b721b226e974f7e6f6bc855c091c94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80abb8b6119c28489c461f36da27a7b103b721b226e974f7e6f6bc855c091c94", kill_on_drop: false }`
[INFO] [stdout] 80abb8b6119c28489c461f36da27a7b103b721b226e974f7e6f6bc855c091c94
