[INFO] cloning repository https://github.com/rolandvarga/linh
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rolandvarga/linh" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frolandvarga%2Flinh", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frolandvarga%2Flinh'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 74ace7b21dae01c4a69865d6bd4f6d418353dfb6
[INFO] checking rolandvarga/linh against master#779e19d8baa3e3625bd4fc5c85cbb2ad47b43155 for pr-147589-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frolandvarga%2Flinh" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/rolandvarga/linh
[INFO] finished tweaking git repo https://github.com/rolandvarga/linh
[INFO] tweaked toml for git repo https://github.com/rolandvarga/linh written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rolandvarga/linh on toolchain 779e19d8baa3e3625bd4fc5c85cbb2ad47b43155
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rolandvarga/linh 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" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded md-5 v0.9.1
[INFO] [stderr]   Downloaded rusoto_signature v0.48.0
[INFO] [stderr]   Downloaded comfy-table v6.1.0
[INFO] [stderr]   Downloaded rusoto_core v0.48.0
[INFO] [stderr]   Downloaded clap_derive v3.2.18
[INFO] [stderr]   Downloaded textwrap v0.15.1
[INFO] [stderr]   Downloaded lock_api v0.4.8
[INFO] [stderr]   Downloaded rusoto_credential v0.48.0
[INFO] [stderr]   Downloaded rusoto_s3 v0.48.0
[INFO] [stderr]   Downloaded clap v3.2.22
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e003f48ab8f18076037a19121d75a1f4991c833407b6e2d4b256d09b6134baec
[INFO] running `Command { std: "docker" "start" "-a" "e003f48ab8f18076037a19121d75a1f4991c833407b6e2d4b256d09b6134baec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e003f48ab8f18076037a19121d75a1f4991c833407b6e2d4b256d09b6134baec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e003f48ab8f18076037a19121d75a1f4991c833407b6e2d4b256d09b6134baec", kill_on_drop: false }`
[INFO] [stdout] e003f48ab8f18076037a19121d75a1f4991c833407b6e2d4b256d09b6134baec
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f39c543bfac7ba6333ffb37ee4703c9faa1e0a9c8aa6c0b8ffd0f3ea0eb7fa8
[INFO] running `Command { std: "docker" "start" "-a" "2f39c543bfac7ba6333ffb37ee4703c9faa1e0a9c8aa6c0b8ffd0f3ea0eb7fa8", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling lock_api v0.4.8
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]     Checking bytes v1.3.0
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling tokio v1.23.0
[INFO] [stderr]    Compiling cc v1.0.78
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.8.4
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]     Checking socket2 v0.4.7
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]     Checking itoa v1.0.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]     Checking futures-io v0.3.25
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling openssl v0.10.45
[INFO] [stderr]    Compiling semver v1.0.16
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking parking_lot_core v0.9.3
[INFO] [stderr]    Compiling serde_json v1.0.85
[INFO] [stderr]    Compiling async-trait v0.1.60
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[INFO] [stderr]    Compiling rustversion v1.0.9
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[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
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[INFO] [stderr]     Checking os_str_bytes v6.3.0
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[INFO] [stderr]    Compiling rusoto_core v0.48.0
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[INFO] [stderr]     Checking signal-hook-mio v0.2.3
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[INFO] [stderr]    Compiling native-tls v0.2.11
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[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling tokio-macros v1.8.2
[INFO] [stderr]    Compiling futures-macro v0.3.25
[INFO] [stderr]    Compiling serde_derive v1.0.144
[INFO] [stderr]    Compiling openssl-macros v0.1.0
[INFO] [stderr]    Compiling strum_macros v0.24.3
[INFO] [stderr]    Compiling clap_derive v3.2.18
[INFO] [stderr]     Checking comfy-table v6.1.0
[INFO] [stderr]     Checking clap v3.2.22
[INFO] [stderr]     Checking serde v1.0.144
[INFO] [stderr]     Checking futures-executor v0.3.25
[INFO] [stderr]     Checking futures v0.3.25
[INFO] [stderr]     Checking tokio-util v0.7.4
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking h2 v0.3.15
[INFO] [stderr]     Checking chrono v0.4.23
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[INFO] [stderr]     Checking rusoto_credential v0.48.0
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking rusoto_signature v0.48.0
[INFO] [stderr]     Checking rusoto_s3 v0.48.0
[INFO] [stderr]     Checking linh v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `collection`
[INFO] [stdout]   --> src/model/mod.rs:80:21
[INFO] [stdout]    |
[INFO] [stdout] 80 |                 let mut collection = match serde_json::from_str::<Collection>(&contents.as_str()) {
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_collection`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `collection`
[INFO] [stdout]    --> src/model/mod.rs:167:13
[INFO] [stdout]     |
[INFO] [stdout] 167 |         let mut collection = match serde_json::from_str::<Collection>(&contents.as_str()) {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_collection`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `collection`
[INFO] [stdout]   --> src/model/mod.rs:80:21
[INFO] [stdout]    |
[INFO] [stdout] 80 |                 let mut collection = match serde_json::from_str::<Collection>(&contents.as_str()) {
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_collection`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `collection`
[INFO] [stdout]    --> src/model/mod.rs:167:13
[INFO] [stdout]     |
[INFO] [stdout] 167 |         let mut collection = match serde_json::from_str::<Collection>(&contents.as_str()) {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_collection`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 28.98s
[INFO] running `Command { std: "docker" "inspect" "2f39c543bfac7ba6333ffb37ee4703c9faa1e0a9c8aa6c0b8ffd0f3ea0eb7fa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f39c543bfac7ba6333ffb37ee4703c9faa1e0a9c8aa6c0b8ffd0f3ea0eb7fa8", kill_on_drop: false }`
[INFO] [stdout] 2f39c543bfac7ba6333ffb37ee4703c9faa1e0a9c8aa6c0b8ffd0f3ea0eb7fa8