[INFO] fetching crate kotoba-package-manager 0.1.16...
[INFO] checking kotoba-package-manager-0.1.16 against master#e22dab387f6b4f6a87dfc54ac2f6013dddb41e68 for pr-149195
[INFO] extracting crate kotoba-package-manager 0.1.16 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate kotoba-package-manager 0.1.16
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate kotoba-package-manager 0.1.16
[INFO] tweaked toml for crates.io crate kotoba-package-manager 0.1.16 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate kotoba-package-manager 0.1.16 on toolchain e22dab387f6b4f6a87dfc54ac2f6013dddb41e68
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e22dab387f6b4f6a87dfc54ac2f6013dddb41e68" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate kotoba-package-manager 0.1.16 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" "+e22dab387f6b4f6a87dfc54ac2f6013dddb41e68" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded js-sys v0.3.79
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.52
[INFO] [stderr]   Downloaded kotoba-errors v0.1.1
[INFO] [stderr]   Downloaded iso8601 v0.6.3
[INFO] [stderr]   Downloaded kotoba-cid v0.1.16
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.102
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.102
[INFO] [stderr]   Downloaded fraction v0.13.1
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[INFO] [stderr]   Downloaded time v0.3.43
[INFO] [stderr]   Downloaded kotoba-core v0.1.19
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.102
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.102
[INFO] [stderr]   Downloaded web-sys v0.3.79
[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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+e22dab387f6b4f6a87dfc54ac2f6013dddb41e68" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 517b58e3c2fb58f25281221ff813159ff5b5550c98cbeb49fc08ffe6e02f6e03
[INFO] running `Command { std: "docker" "start" "-a" "517b58e3c2fb58f25281221ff813159ff5b5550c98cbeb49fc08ffe6e02f6e03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "517b58e3c2fb58f25281221ff813159ff5b5550c98cbeb49fc08ffe6e02f6e03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "517b58e3c2fb58f25281221ff813159ff5b5550c98cbeb49fc08ffe6e02f6e03", kill_on_drop: false }`
[INFO] [stdout] 517b58e3c2fb58f25281221ff813159ff5b5550c98cbeb49fc08ffe6e02f6e03
[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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+e22dab387f6b4f6a87dfc54ac2f6013dddb41e68" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ee68120c615a183e6250306c2d798628c0b5795c21a9d699cc5933699825c856
[INFO] running `Command { std: "docker" "start" "-a" "ee68120c615a183e6250306c2d798628c0b5795c21a9d699cc5933699825c856", kill_on_drop: false }`
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[INFO] [stderr]     Checking kotoba-core v0.1.19
[INFO] [stderr]     Checking kotoba-cid v0.1.16
[INFO] [stderr]     Checking kotoba-package-manager v0.1.16 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `NpmVersionInfo`
[INFO] [stdout]  --> src/resolver.rs:4:35
[INFO] [stdout]   |
[INFO] [stdout] 4 |     registry::{fetch_npm_package, NpmVersionInfo},
[INFO] [stdout]   |                                   ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `resolver::Resolver`
[INFO] [stdout]   --> src/lib.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use resolver::Resolver;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `NpmVersionInfo`
[INFO] [stdout]  --> src/resolver.rs:4:35
[INFO] [stdout]   |
[INFO] [stdout] 4 |     registry::{fetch_npm_package, NpmVersionInfo},
[INFO] [stdout]   |                                   ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `resolver::Resolver`
[INFO] [stdout]   --> src/lib.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use resolver::Resolver;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `config` is never read
[INFO] [stdout]   --> src/lib.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct PackageManager {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] 27 |     config: config::Config,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PackageManager` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `installer` is never used
[INFO] [stdout]    --> src/lib.rs:215:8
[INFO] [stdout]     |
[INFO] [stdout]  33 | impl PackageManager {
[INFO] [stdout]     | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 215 |     fn installer(&self) -> &installer::Installer {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `cid_calculator` is never read
[INFO] [stdout]   --> src/resolver.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Resolver {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] 14 |     cid_calculator: CidCalculator,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `config` is never read
[INFO] [stdout]   --> src/lib.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct PackageManager {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] 27 |     config: config::Config,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PackageManager` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `installer` is never used
[INFO] [stdout]    --> src/lib.rs:215:8
[INFO] [stdout]     |
[INFO] [stdout]  33 | impl PackageManager {
[INFO] [stdout]     | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 215 |     fn installer(&self) -> &installer::Installer {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `cid_calculator` is never read
[INFO] [stdout]   --> src/resolver.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Resolver {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] 14 |     cid_calculator: CidCalculator,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 34.62s
[INFO] running `Command { std: "docker" "inspect" "ee68120c615a183e6250306c2d798628c0b5795c21a9d699cc5933699825c856", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee68120c615a183e6250306c2d798628c0b5795c21a9d699cc5933699825c856", kill_on_drop: false }`
[INFO] [stdout] ee68120c615a183e6250306c2d798628c0b5795c21a9d699cc5933699825c856