[INFO] fetching crate prettier-print 0.1.2...
[INFO] checking prettier-print-0.1.2 against master#4eb62535fc12dd1a63fd43a4173e224e79313c4d for pr-158816
[INFO] extracting crate prettier-print 0.1.2 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate prettier-print 0.1.2
[INFO] finished tweaking crates.io crate prettier-print 0.1.2
[INFO] tweaked toml for crates.io crate prettier-print 0.1.2 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate prettier-print 0.1.2 on toolchain 4eb62535fc12dd1a63fd43a4173e224e79313c4d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 49 packages to latest compatible versions
[INFO] [stderr]       Adding crossterm v0.20.0 (available: v0.29.0)
[INFO] [stderr]       Adding rand v0.8.6 (available: v0.10.2)
[INFO] [stderr]       Adding rand_distr v0.4.3 (available: v0.6.0)
[INFO] [stderr]       Adding rstest v0.10.0 (available: v0.26.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crossterm_winapi v0.8.0
[INFO] [stderr]   Downloaded crossterm v0.20.0
[INFO] [stderr]   Downloaded rstest v0.10.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 8b2b8199138cc3118c31e58d2312db112c962ace51080dd421e4a0326faea487
[INFO] running `Command { std: "docker" "start" "8b2b8199138cc3118c31e58d2312db112c962ace51080dd421e4a0326faea487", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b2b8199138cc3118c31e58d2312db112c962ace51080dd421e4a0326faea487", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "8b2b8199138cc3118c31e58d2312db112c962ace51080dd421e4a0326faea487" "/opt/rustwide/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b2b8199138cc3118c31e58d2312db112c962ace51080dd421e4a0326faea487", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "8b2b8199138cc3118c31e58d2312db112c962ace51080dd421e4a0326faea487" "/opt/rustwide/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.10.3
[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking signal-hook-mio v0.2.5
[INFO] [stderr]     Checking crossterm v0.20.0
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.6
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling rstest v0.10.0
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]     Checking prettier-print v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `a`, `b`, and `c` are never read
[INFO] [stdout]    --> src/prettier_printer.rs:160:17
[INFO] [stdout]     |
[INFO] [stdout] 159 |             struct Type {
[INFO] [stdout]     |                    ---- fields in this struct
[INFO] [stdout] 160 |                 a: String,
[INFO] [stdout]     |                 ^
[INFO] [stdout] 161 |                 b: Vec<i32>,
[INFO] [stdout]     |                 ^
[INFO] [stdout] 162 |                 c: HashMap<&'static str, &'static str>,
[INFO] [stdout]     |                 ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Type` 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 7.12s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rstest v0.10.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "8b2b8199138cc3118c31e58d2312db112c962ace51080dd421e4a0326faea487", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b2b8199138cc3118c31e58d2312db112c962ace51080dd421e4a0326faea487", kill_on_drop: false }`
[INFO] [stdout] 8b2b8199138cc3118c31e58d2312db112c962ace51080dd421e4a0326faea487
