[INFO] cloning repository https://github.com/rust-tlv/rust-tlv.github.io
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rust-tlv/rust-tlv.github.io" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-tlv%2Frust-tlv.github.io", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-tlv%2Frust-tlv.github.io'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fa30f691e04f17b0c81d486498593609e3fb0fd3
[INFO] checking rust-tlv/rust-tlv.github.io against master#1280928a99ad3ef2c5735b42dc8852456ae3b974 for pr-120798
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-tlv%2Frust-tlv.github.io" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rust-tlv/rust-tlv.github.io on toolchain 1280928a99ad3ef2c5735b42dc8852456ae3b974
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1280928a99ad3ef2c5735b42dc8852456ae3b974" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rust-tlv/rust-tlv.github.io
[INFO] finished tweaking git repo https://github.com/rust-tlv/rust-tlv.github.io
[INFO] tweaked toml for git repo https://github.com/rust-tlv/rust-tlv.github.io written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/rust-tlv/rust-tlv.github.io 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" "+1280928a99ad3ef2c5735b42dc8852456ae3b974" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking rust-tlv/rust-tlv.github.io against try#9b9e20bc79549d80ab413f49d990713851172cc1 for pr-120798
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-tlv%2Frust-tlv.github.io" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rust-tlv/rust-tlv.github.io on toolchain 9b9e20bc79549d80ab413f49d990713851172cc1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9b9e20bc79549d80ab413f49d990713851172cc1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rust-tlv/rust-tlv.github.io
[INFO] finished tweaking git repo https://github.com/rust-tlv/rust-tlv.github.io
[INFO] tweaked toml for git repo https://github.com/rust-tlv/rust-tlv.github.io written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/rust-tlv/rust-tlv.github.io 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" "+9b9e20bc79549d80ab413f49d990713851172cc1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+9b9e20bc79549d80ab413f49d990713851172cc1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4a7383922090c28a263aaa7f9364151e0fb82f8fb6a9394ef6e675bbd6c35397
[INFO] running `Command { std: "docker" "start" "-a" "4a7383922090c28a263aaa7f9364151e0fb82f8fb6a9394ef6e675bbd6c35397", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a7383922090c28a263aaa7f9364151e0fb82f8fb6a9394ef6e675bbd6c35397", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a7383922090c28a263aaa7f9364151e0fb82f8fb6a9394ef6e675bbd6c35397", kill_on_drop: false }`
[INFO] [stdout] 4a7383922090c28a263aaa7f9364151e0fb82f8fb6a9394ef6e675bbd6c35397
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+9b9e20bc79549d80ab413f49d990713851172cc1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3848e35849c3ed8bb7a613b63f2bf7a19ab009fa82b523b1a19bd00a890b4bb6
[INFO] running `Command { std: "docker" "start" "-a" "3848e35849c3ed8bb7a613b63f2bf7a19ab009fa82b523b1a19bd00a890b4bb6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]     Checking hashbrown v0.14.0
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]     Checking unsafe-libyaml v0.2.9
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]     Checking indexmap v2.0.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.31
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]     Checking serde_yaml v0.9.25
[INFO] [stderr]     Checking rust-tlv v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `name`, `linkedin`, `github`, and `home` are never read
[INFO] [stdout]   --> src/main.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | struct Person {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 7  |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 8  |     linkedin: String,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 9  |     github: String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 10 |     home: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Person` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name`, `linkedin`, `github`, and `home` are never read
[INFO] [stdout]   --> src/main.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | struct Person {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 7  |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 8  |     linkedin: String,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 9  |     github: String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 10 |     home: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Person` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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 [unoptimized + debuginfo] target(s) in 10.43s
[INFO] running `Command { std: "docker" "inspect" "3848e35849c3ed8bb7a613b63f2bf7a19ab009fa82b523b1a19bd00a890b4bb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3848e35849c3ed8bb7a613b63f2bf7a19ab009fa82b523b1a19bd00a890b4bb6", kill_on_drop: false }`
[INFO] [stdout] 3848e35849c3ed8bb7a613b63f2bf7a19ab009fa82b523b1a19bd00a890b4bb6