[INFO] fetching crate rbtc 0.2.2...
[INFO] checking rbtc-0.2.2 against master#6162f6f12339aa81fe16b8a64644ead497e411b2 for pr-113240
[INFO] extracting crate rbtc 0.2.2 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate rbtc 0.2.2 on toolchain 6162f6f12339aa81fe16b8a64644ead497e411b2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rbtc 0.2.2
[INFO] finished tweaking crates.io crate rbtc 0.2.2
[INFO] tweaked toml for crates.io crate rbtc 0.2.2 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded structopt v0.2.18
[INFO] [stderr]   Downloaded structopt-derive v0.2.18
[INFO] [stderr]   Downloaded derive_more v0.14.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1f71f4df666f21ea0c9e948e1e75b1e583f9904d246482d0e502ef4d803a246c
[INFO] running `Command { std: "docker" "start" "-a" "1f71f4df666f21ea0c9e948e1e75b1e583f9904d246482d0e502ef4d803a246c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f71f4df666f21ea0c9e948e1e75b1e583f9904d246482d0e502ef4d803a246c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f71f4df666f21ea0c9e948e1e75b1e583f9904d246482d0e502ef4d803a246c", kill_on_drop: false }`
[INFO] [stdout] 1f71f4df666f21ea0c9e948e1e75b1e583f9904d246482d0e502ef4d803a246c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 52a6926360a5a40502f38df581038ac351acb08ac4e1905e6fa8afbbb71d4530
[INFO] running `Command { std: "docker" "start" "-a" "52a6926360a5a40502f38df581038ac351acb08ac4e1905e6fa8afbbb71d4530", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]     Checking reqwest v0.9.24
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling derive_more v0.14.1
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking rbtc v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `time` is never read
[INFO] [stdout]   --> src/main.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | struct BtcResponse {
[INFO] [stdout]    |        ----------- field in this struct
[INFO] [stdout] 37 |     time: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BtcResponse` 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: field `time` is never read
[INFO] [stdout]   --> src/main.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | struct BtcResponse {
[INFO] [stdout]    |        ----------- field in this struct
[INFO] [stdout] 37 |     time: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BtcResponse` 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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.35s
[INFO] running `Command { std: "docker" "inspect" "52a6926360a5a40502f38df581038ac351acb08ac4e1905e6fa8afbbb71d4530", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52a6926360a5a40502f38df581038ac351acb08ac4e1905e6fa8afbbb71d4530", kill_on_drop: false }`
[INFO] [stdout] 52a6926360a5a40502f38df581038ac351acb08ac4e1905e6fa8afbbb71d4530