[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#d2e8ecd8bd26a22111cdebfb813258450b07fbf0 for pr-121199
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-tlv%2Frust-tlv.github.io" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rust-tlv/rust-tlv.github.io on toolchain d2e8ecd8bd26a22111cdebfb813258450b07fbf0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d2e8ecd8bd26a22111cdebfb813258450b07fbf0" "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-6-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" "+d2e8ecd8bd26a22111cdebfb813258450b07fbf0" "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
[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#aface909a877127f24c62858518cef2d593e2ea1 for pr-121199
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-tlv%2Frust-tlv.github.io" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rust-tlv/rust-tlv.github.io on toolchain aface909a877127f24c62858518cef2d593e2ea1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+aface909a877127f24c62858518cef2d593e2ea1" "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-6-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" "+aface909a877127f24c62858518cef2d593e2ea1" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking rust-tlv/rust-tlv.github.io against try#aface909a877127f24c62858518cef2d593e2ea1 for pr-121199
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-tlv%2Frust-tlv.github.io" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rust-tlv/rust-tlv.github.io on toolchain aface909a877127f24c62858518cef2d593e2ea1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+aface909a877127f24c62858518cef2d593e2ea1" "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-6-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" "+aface909a877127f24c62858518cef2d593e2ea1" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+aface909a877127f24c62858518cef2d593e2ea1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 60a40fe845488b1d729b57fcddc479d10300bbb77bbeb9ce38c72230303b479f
[INFO] running `Command { std: "docker" "start" "-a" "60a40fe845488b1d729b57fcddc479d10300bbb77bbeb9ce38c72230303b479f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "60a40fe845488b1d729b57fcddc479d10300bbb77bbeb9ce38c72230303b479f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60a40fe845488b1d729b57fcddc479d10300bbb77bbeb9ce38c72230303b479f", kill_on_drop: false }`
[INFO] [stdout] 60a40fe845488b1d729b57fcddc479d10300bbb77bbeb9ce38c72230303b479f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+aface909a877127f24c62858518cef2d593e2ea1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63bb2679fcc8c7fc9eaee3e2f1bf9cbe9d15fedcca383e7274a6d862a94d524f
[INFO] running `Command { std: "docker" "start" "-a" "63bb2679fcc8c7fc9eaee3e2f1bf9cbe9d15fedcca383e7274a6d862a94d524f", 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 equivalent v1.0.1
[INFO] [stderr]     Checking hashbrown v0.14.0
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]     Checking unsafe-libyaml v0.2.9
[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` profile [unoptimized + debuginfo] target(s) in 5.09s
[INFO] running `Command { std: "docker" "inspect" "63bb2679fcc8c7fc9eaee3e2f1bf9cbe9d15fedcca383e7274a6d862a94d524f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63bb2679fcc8c7fc9eaee3e2f1bf9cbe9d15fedcca383e7274a6d862a94d524f", kill_on_drop: false }`
[INFO] [stdout] 63bb2679fcc8c7fc9eaee3e2f1bf9cbe9d15fedcca383e7274a6d862a94d524f