[INFO] fetching crate simple-tlv 0.1.0...
[INFO] checking simple-tlv-0.1.0 against master#01706e1a34c87656fcbfce198608f4cd2ac6461a for pr-135272
[INFO] extracting crate simple-tlv 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate simple-tlv 0.1.0 on toolchain 01706e1a34c87656fcbfce198608f4cd2ac6461a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+01706e1a34c87656fcbfce198608f4cd2ac6461a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate simple-tlv 0.1.0
[INFO] finished tweaking crates.io crate simple-tlv 0.1.0
[INFO] tweaked toml for crates.io crate simple-tlv 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+01706e1a34c87656fcbfce198608f4cd2ac6461a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 17 packages to latest compatible versions
[INFO] [stderr]       Adding heapless v0.6.1 (available: v0.8.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+01706e1a34c87656fcbfce198608f4cd2ac6461a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded simple-tlv_derive v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+01706e1a34c87656fcbfce198608f4cd2ac6461a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5005704de461b35cec22d86167e0d301495f86a9bac3b6cbc9d3d4862a0a30dc
[INFO] running `Command { std: "docker" "start" "-a" "5005704de461b35cec22d86167e0d301495f86a9bac3b6cbc9d3d4862a0a30dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5005704de461b35cec22d86167e0d301495f86a9bac3b6cbc9d3d4862a0a30dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5005704de461b35cec22d86167e0d301495f86a9bac3b6cbc9d3d4862a0a30dc", kill_on_drop: false }`
[INFO] [stdout] 5005704de461b35cec22d86167e0d301495f86a9bac3b6cbc9d3d4862a0a30dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+01706e1a34c87656fcbfce198608f4cd2ac6461a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 41c8a543492c7708e6e91c8875dbe46d469b54d3fe72474680c3e5fc9f8a8818
[INFO] running `Command { std: "docker" "start" "-a" "41c8a543492c7708e6e91c8875dbe46d469b54d3fe72474680c3e5fc9f8a8818", kill_on_drop: false }`
[INFO] [stderr]     Checking simple-tlv v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `Taggable` is never used
[INFO] [stdout]    --> src/traits.rs:141:18
[INFO] [stdout]     |
[INFO] [stdout] 141 | pub(crate) trait Taggable: Sized {
[INFO] [stdout]     |                  ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `T3` is never constructed
[INFO] [stdout]    --> src/traits.rs:510:12
[INFO] [stdout]     |
[INFO] [stdout] 510 |     struct T3 {
[INFO] [stdout]     |            ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "41c8a543492c7708e6e91c8875dbe46d469b54d3fe72474680c3e5fc9f8a8818", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41c8a543492c7708e6e91c8875dbe46d469b54d3fe72474680c3e5fc9f8a8818", kill_on_drop: false }`
[INFO] [stdout] 41c8a543492c7708e6e91c8875dbe46d469b54d3fe72474680c3e5fc9f8a8818