[INFO] crate carpo 0.1.3 is already in cache
[INFO] checking carpo-0.1.3 against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66504-1
[INFO] extracting crate carpo 0.1.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate carpo 0.1.3 on toolchain fdc0011561c6365c596dfd8fa1ef388162bc89c7
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate carpo 0.1.3
[INFO] finished tweaking crates.io crate carpo 0.1.3
[INFO] tweaked toml for crates.io crate carpo 0.1.3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate carpo 0.1.3 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 87a16aa6d15312361da16ec4f4ffcb6bf9adb7306ec4a5c23cd52564c1abd0be
[INFO] running `"docker" "start" "-a" "87a16aa6d15312361da16ec4f4ffcb6bf9adb7306ec4a5c23cd52564c1abd0be"`
[INFO] [stderr]     Checking piston-float v0.3.0
[INFO] [stderr]    Compiling num-traits v0.2.9
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]    Compiling libsqlite3-sys v0.16.0
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking petgraph v0.4.13
[INFO] [stderr]     Checking getrandom v0.1.13
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking stb_truetype v0.3.0
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]     Checking serde v1.0.102
[INFO] [stderr]     Checking piston-viewport v0.3.0
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking stb_truetype v0.2.8
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling structopt-derive v0.3.3
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]     Checking daggy v0.5.0
[INFO] [stderr]     Checking num-integer v0.1.41
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking ordered-float v0.5.2
[INFO] [stderr]     Checking rusttype v0.5.2
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-iter v0.1.39
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking structopt v0.3.3
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking pistoncore-input v0.21.0
[INFO] [stderr]    Compiling conrod_derive v0.1.2
[INFO] [stderr]     Checking conrod v0.61.1
[INFO] [stderr]     Checking rusqlite v0.20.0
[INFO] [stderr]     Checking carpo v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `Path`
[INFO] [stderr]  --> src/files.rs:4:17
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::path::{Path, PathBuf, MAIN_SEPARATOR};
[INFO] [stderr]   |                 ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Path`
[INFO] [stderr]  --> src/files.rs:4:17
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::path::{Path, PathBuf, MAIN_SEPARATOR};
[INFO] [stderr]   |                 ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Path`
[INFO] [stderr]  --> src/files.rs:4:17
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::path::{Path, PathBuf, MAIN_SEPARATOR};
[INFO] [stderr]   |                 ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Path`
[INFO] [stderr]  --> src/files.rs:4:17
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::path::{Path, PathBuf, MAIN_SEPARATOR};
[INFO] [stderr]   |                 ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:137:13
[INFO] [stderr]     |
[INFO] [stderr] 137 |             UI {}.fire();
[INFO] [stderr]     |             ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:137:13
[INFO] [stderr]     |
[INFO] [stderr] 137 |             UI {}.fire();
[INFO] [stderr]     |             ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 03s
[INFO] running `"docker" "inspect" "87a16aa6d15312361da16ec4f4ffcb6bf9adb7306ec4a5c23cd52564c1abd0be"`
[INFO] running `"docker" "rm" "-f" "87a16aa6d15312361da16ec4f4ffcb6bf9adb7306ec4a5c23cd52564c1abd0be"`
[INFO] [stdout] 87a16aa6d15312361da16ec4f4ffcb6bf9adb7306ec4a5c23cd52564c1abd0be