[INFO] fetching crate rpgtools 1.2.0...
[INFO] checking rpgtools-1.2.0 against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] extracting crate rpgtools 1.2.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate rpgtools 1.2.0 on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rpgtools 1.2.0
[INFO] finished tweaking crates.io crate rpgtools 1.2.0
[INFO] tweaked toml for crates.io crate rpgtools 1.2.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate rpgtools 1.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0dc3b8bdb113388ae7dce07a600f502e56cf92878cc3eae256ba3dedc490391b
[INFO] running `Command { std: "docker" "start" "-a" "0dc3b8bdb113388ae7dce07a600f502e56cf92878cc3eae256ba3dedc490391b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0dc3b8bdb113388ae7dce07a600f502e56cf92878cc3eae256ba3dedc490391b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0dc3b8bdb113388ae7dce07a600f502e56cf92878cc3eae256ba3dedc490391b", kill_on_drop: false }`
[INFO] [stdout] 0dc3b8bdb113388ae7dce07a600f502e56cf92878cc3eae256ba3dedc490391b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e398c4a4465cbb086f8386a92ac76da076f460d4914eaee220144fd042fdfae
[INFO] running `Command { std: "docker" "start" "-a" "5e398c4a4465cbb086f8386a92ac76da076f460d4914eaee220144fd042fdfae", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking bytemuck v1.7.0
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[INFO] [stderr]    Compiling unicode-general-category v0.2.0
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[INFO] [stderr]     Checking float-cmp v0.5.3
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[INFO] [stderr]     Checking rpgtools v1.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fs::read_to_string`
[INFO] [stdout]  --> src/rpgtools/map/renderer.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::read_to_string;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::read_to_string`
[INFO] [stdout]  --> src/rpgtools/map/renderer.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::read_to_string;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `remove_cell`
[INFO] [stdout]   --> src/rpgtools/map/gridmap/gridroom.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn remove_cell(&mut self, (x, y): &(usize, usize)) -> Result<bool, String> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `remove_cell`
[INFO] [stdout]   --> src/rpgtools/map/gridmap/gridroom.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn remove_cell(&mut self, (x, y): &(usize, usize)) -> Result<bool, String> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.97s
[INFO] running `Command { std: "docker" "inspect" "5e398c4a4465cbb086f8386a92ac76da076f460d4914eaee220144fd042fdfae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e398c4a4465cbb086f8386a92ac76da076f460d4914eaee220144fd042fdfae", kill_on_drop: false }`
[INFO] [stdout] 5e398c4a4465cbb086f8386a92ac76da076f460d4914eaee220144fd042fdfae