[INFO] fetching crate fast-mosh 0.3.3...
[INFO] checking fast-mosh-0.3.3 against master#38352b01ae4af9300be03b805d6db68c45e51068 for pr-129864
[INFO] extracting crate fast-mosh 0.3.3 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate fast-mosh 0.3.3 on toolchain 38352b01ae4af9300be03b805d6db68c45e51068
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fast-mosh 0.3.3
[INFO] finished tweaking crates.io crate fast-mosh 0.3.3
[INFO] tweaked toml for crates.io crate fast-mosh 0.3.3 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate fast-mosh 0.3.3 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" "+38352b01ae4af9300be03b805d6db68c45e51068" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fastrand v1.5.0
[INFO] [stderr]   Downloaded plain_path v0.1.0
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.15
[INFO] [stderr]   Downloaded rustbreak v2.0.0
[INFO] [stderr]   Downloaded ron v0.6.6
[INFO] [stderr]   Downloaded serde_derive v1.0.199
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[INFO] [stderr]   Downloaded tui v0.19.0
[INFO] [stderr]   Downloaded serde_yaml v0.8.21
[INFO] [stderr]   Downloaded ssh_cfg v0.3.0
[INFO] [stderr]   Downloaded syn v1.0.81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a9ef54033d6791af208e938858753560d37af878a87dfdce12667d5d4acab72d
[INFO] running `Command { std: "docker" "start" "-a" "a9ef54033d6791af208e938858753560d37af878a87dfdce12667d5d4acab72d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9ef54033d6791af208e938858753560d37af878a87dfdce12667d5d4acab72d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9ef54033d6791af208e938858753560d37af878a87dfdce12667d5d4acab72d", kill_on_drop: false }`
[INFO] [stdout] a9ef54033d6791af208e938858753560d37af878a87dfdce12667d5d4acab72d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9ba316a3507917f78563847eff37694f8780974db13a6ba009de07e68616435b
[INFO] running `Command { std: "docker" "start" "-a" "9ba316a3507917f78563847eff37694f8780974db13a6ba009de07e68616435b", kill_on_drop: false }`
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[INFO] [stderr]     Checking concurrent-queue v1.2.2
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[INFO] [stderr]    Compiling serde_derive v1.0.199
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[INFO] [stderr]     Checking serde_yaml v0.8.21
[INFO] [stderr]     Checking rustbreak v2.0.0
[INFO] [stderr]     Checking fast-mosh v0.3.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `config` is never read
[INFO] [stdout]   --> src/app.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct App {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub config: Config,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `config` is never read
[INFO] [stdout]   --> src/app.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct App {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub config: Config,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.02s
[INFO] running `Command { std: "docker" "inspect" "9ba316a3507917f78563847eff37694f8780974db13a6ba009de07e68616435b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ba316a3507917f78563847eff37694f8780974db13a6ba009de07e68616435b", kill_on_drop: false }`
[INFO] [stdout] 9ba316a3507917f78563847eff37694f8780974db13a6ba009de07e68616435b