[INFO] fetching crate br-fields 0.0.17...
[INFO] checking br-fields-0.0.17 against master#e4106065bf1bb515935d5d024e8d9c86454e2b22 for pr-112160
[INFO] extracting crate br-fields 0.0.17 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate br-fields 0.0.17 on toolchain e4106065bf1bb515935d5d024e8d9c86454e2b22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e4106065bf1bb515935d5d024e8d9c86454e2b22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate br-fields 0.0.17
[INFO] finished tweaking crates.io crate br-fields 0.0.17
[INFO] tweaked toml for crates.io crate br-fields 0.0.17 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate br-fields 0.0.17 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" "+e4106065bf1bb515935d5d024e8d9c86454e2b22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.55
[INFO] [stderr]   Downloaded json v0.12.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e4106065bf1bb515935d5d024e8d9c86454e2b22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f507e5a4f1c5822518cd616a1c79c0780c3fdbfaaf9404839e19fa6d201e5d0c
[INFO] running `Command { std: "docker" "start" "-a" "f507e5a4f1c5822518cd616a1c79c0780c3fdbfaaf9404839e19fa6d201e5d0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f507e5a4f1c5822518cd616a1c79c0780c3fdbfaaf9404839e19fa6d201e5d0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f507e5a4f1c5822518cd616a1c79c0780c3fdbfaaf9404839e19fa6d201e5d0c", kill_on_drop: false }`
[INFO] [stdout] f507e5a4f1c5822518cd616a1c79c0780c3fdbfaaf9404839e19fa6d201e5d0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e4106065bf1bb515935d5d024e8d9c86454e2b22" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 76088feae39bd376adf728e5dc9e58d16e3b2d841c55619e3d6fa21437097b51
[INFO] running `Command { std: "docker" "start" "-a" "76088feae39bd376adf728e5dc9e58d16e3b2d841c55619e3d6fa21437097b51", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]     Checking json v0.12.4
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking chrono v0.4.26
[INFO] [stderr]     Checking br-fields v0.0.17 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> tests/test.rs:182:13
[INFO] [stdout]     |
[INFO] [stdout] 182 |         let a = br_fields::datetime::Timestamp::timestamp();
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` 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 3.04s
[INFO] running `Command { std: "docker" "inspect" "76088feae39bd376adf728e5dc9e58d16e3b2d841c55619e3d6fa21437097b51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76088feae39bd376adf728e5dc9e58d16e3b2d841c55619e3d6fa21437097b51", kill_on_drop: false }`
[INFO] [stdout] 76088feae39bd376adf728e5dc9e58d16e3b2d841c55619e3d6fa21437097b51