[INFO] fetching crate rand_user_agent 0.2.1...
[INFO] checking rand_user_agent-0.2.1 against try#b2fb67b8b6007ced9ad3f3b752a6fec899e7859c for pr-138915
[INFO] extracting crate rand_user_agent 0.2.1 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate rand_user_agent 0.2.1 on toolchain b2fb67b8b6007ced9ad3f3b752a6fec899e7859c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b2fb67b8b6007ced9ad3f3b752a6fec899e7859c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rand_user_agent 0.2.1
[INFO] finished tweaking crates.io crate rand_user_agent 0.2.1
[INFO] tweaked toml for crates.io crate rand_user_agent 0.2.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b2fb67b8b6007ced9ad3f3b752a6fec899e7859c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 19 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b2fb67b8b6007ced9ad3f3b752a6fec899e7859c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+b2fb67b8b6007ced9ad3f3b752a6fec899e7859c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 378b32a92b427c4dbaa069c8ff496a582dbcff07b27244766a542faa96948906
[INFO] running `Command { std: "docker" "start" "-a" "378b32a92b427c4dbaa069c8ff496a582dbcff07b27244766a542faa96948906", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "378b32a92b427c4dbaa069c8ff496a582dbcff07b27244766a542faa96948906", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "378b32a92b427c4dbaa069c8ff496a582dbcff07b27244766a542faa96948906", kill_on_drop: false }`
[INFO] [stdout] 378b32a92b427c4dbaa069c8ff496a582dbcff07b27244766a542faa96948906
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+b2fb67b8b6007ced9ad3f3b752a6fec899e7859c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 346f0ccd2f1d277686d80e6de70a1876933ad1f377d9ca27e10167c8ee3545d4
[INFO] running `Command { std: "docker" "start" "-a" "346f0ccd2f1d277686d80e6de70a1876933ad1f377d9ca27e10167c8ee3545d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]    Compiling zerocopy v0.8.24
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking rand_user_agent v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `Opera` is never constructed
[INFO] [stdout]   --> src/lib.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 56 | enum Product {
[INFO] [stdout]    |      ------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 59 |     Opera,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Opera` is never constructed
[INFO] [stdout]   --> src/lib.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 56 | enum Product {
[INFO] [stdout]    |      ------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 59 |     Opera,
[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 9.43s
[INFO] running `Command { std: "docker" "inspect" "346f0ccd2f1d277686d80e6de70a1876933ad1f377d9ca27e10167c8ee3545d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "346f0ccd2f1d277686d80e6de70a1876933ad1f377d9ca27e10167c8ee3545d4", kill_on_drop: false }`
[INFO] [stdout] 346f0ccd2f1d277686d80e6de70a1876933ad1f377d9ca27e10167c8ee3545d4