[INFO] fetching crate fact-tools 1.0.0...
[INFO] building fact-tools-1.0.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate fact-tools 1.0.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate fact-tools 1.0.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate fact-tools 1.0.0
[INFO] tweaked toml for crates.io crate fact-tools 1.0.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate fact-tools 1.0.0 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate fact-tools 1.0.0 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crossbeam v0.8.4
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a2652a602c089c3869a4320d9c16502b37d96f5a9f70dfc666edf252cdf796a6
[INFO] running `Command { std: "docker" "start" "-a" "a2652a602c089c3869a4320d9c16502b37d96f5a9f70dfc666edf252cdf796a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2652a602c089c3869a4320d9c16502b37d96f5a9f70dfc666edf252cdf796a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2652a602c089c3869a4320d9c16502b37d96f5a9f70dfc666edf252cdf796a6", kill_on_drop: false }`
[INFO] [stdout] a2652a602c089c3869a4320d9c16502b37d96f5a9f70dfc666edf252cdf796a6
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea65164c1f3909d6bf6b7d8fbfdfef1f9a8f772acd7164daffb5c770d9f4854e
[INFO] running `Command { std: "docker" "start" "-a" "ea65164c1f3909d6bf6b7d8fbfdfef1f9a8f772acd7164daffb5c770d9f4854e", kill_on_drop: false }`
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[INFO] [stderr]    Compiling fact-tools v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `created_at` is never read
[INFO] [stdout]   --> src/cache.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct CacheEntry {
[INFO] [stdout]    |        ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 25 |     created_at: Instant,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CacheEntry` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 35.52s
[INFO] running `Command { std: "docker" "inspect" "ea65164c1f3909d6bf6b7d8fbfdfef1f9a8f772acd7164daffb5c770d9f4854e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea65164c1f3909d6bf6b7d8fbfdfef1f9a8f772acd7164daffb5c770d9f4854e", kill_on_drop: false }`
[INFO] [stdout] ea65164c1f3909d6bf6b7d8fbfdfef1f9a8f772acd7164daffb5c770d9f4854e
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a989922878e5c0f6695bd187193d3c85ff2b83dab1615fb3eadb120c4924264b
[INFO] running `Command { std: "docker" "start" "-a" "a989922878e5c0f6695bd187193d3c85ff2b83dab1615fb3eadb120c4924264b", kill_on_drop: false }`
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[INFO] [stderr]    Compiling fact-tools v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `created_at` is never read
[INFO] [stdout]   --> src/cache.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct CacheEntry {
[INFO] [stdout]    |        ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 25 |     created_at: Instant,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CacheEntry` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `created_at` is never read
[INFO] [stdout]   --> src/cache.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct CacheEntry {
[INFO] [stdout]    |        ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 25 |     created_at: Instant,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CacheEntry` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 28.05s
[INFO] running `Command { std: "docker" "inspect" "a989922878e5c0f6695bd187193d3c85ff2b83dab1615fb3eadb120c4924264b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a989922878e5c0f6695bd187193d3c85ff2b83dab1615fb3eadb120c4924264b", kill_on_drop: false }`
[INFO] [stdout] a989922878e5c0f6695bd187193d3c85ff2b83dab1615fb3eadb120c4924264b