[INFO] fetching crate uvm_core 0.8.0...
[INFO] checking uvm_core-0.8.0 against beta for pr-78714
[INFO] extracting crate uvm_core 0.8.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate uvm_core 0.8.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate uvm_core 0.8.0
[INFO] finished tweaking crates.io crate uvm_core 0.8.0
[INFO] tweaked toml for crates.io crate uvm_core 0.8.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3cf0d485c8a9e517dc24b6e2dc10b21c04c04be17235fba59f92a6586a018425
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3cf0d485c8a9e517dc24b6e2dc10b21c04c04be17235fba59f92a6586a018425", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3cf0d485c8a9e517dc24b6e2dc10b21c04c04be17235fba59f92a6586a018425", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cf0d485c8a9e517dc24b6e2dc10b21c04c04be17235fba59f92a6586a018425", kill_on_drop: false }`
[INFO] [stdout] 3cf0d485c8a9e517dc24b6e2dc10b21c04c04be17235fba59f92a6586a018425
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e6d8dcb65a497866800e9b375a3877a13b566b42a4dac913b99fe275c4335f2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9e6d8dcb65a497866800e9b375a3877a13b566b42a4dac913b99fe275c4335f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling plist v0.3.0
[INFO] [stderr]     Checking result v1.0.0
[INFO] [stderr]     Checking stringreader v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking cluFlock v1.2.5
[INFO] [stderr]     Checking dirs-2 v1.1.0
[INFO] [stderr]     Checking publicsuffix v1.5.4
[INFO] [stderr]    Compiling derive_deref v1.1.1
[INFO] [stderr]     Checking serde_yaml v0.8.14
[INFO] [stderr]     Checking hex-serde v0.1.0
[INFO] [stderr]     Checking zip v0.5.8
[INFO] [stderr]     Checking hyper v0.12.35
[INFO] [stderr]     Checking serde_ini v0.2.0
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking proptest v0.9.6
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking reqwest v0.9.24
[INFO] [stderr]     Checking uvm_core v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/unity/version/module.rs:18:52
[INFO] [stdout]    |
[INFO] [stdout] 18 |     static ref UNITY_BASE_PATTERN: &'static Path = { Path::new("{UNITY_PATH}") };
[INFO] [stdout]    |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/unity/urls.rs:39:29
[INFO] [stdout]    |
[INFO] [stdout] 39 |             warn!("{}", err.description());
[INFO] [stdout]    |                             ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/unity/version/hash.rs:82:44
[INFO] [stdout]    |
[INFO] [stdout] 82 |                     warn!("error: {}", err.description());
[INFO] [stdout]    |                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]    --> src/unity/version/manifest/ini.rs:244:9
[INFO] [stdout]     |
[INFO] [stdout] 244 |     use std::fs;
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tempfile`
[INFO] [stdout]    --> src/unity/version/manifest/ini.rs:245:9
[INFO] [stdout]     |
[INFO] [stdout] 245 |     use tempfile;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/unity/version/module.rs:18:52
[INFO] [stdout]    |
[INFO] [stdout] 18 |     static ref UNITY_BASE_PATTERN: &'static Path = { Path::new("{UNITY_PATH}") };
[INFO] [stdout]    |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/unity/urls.rs:39:29
[INFO] [stdout]    |
[INFO] [stdout] 39 |             warn!("{}", err.description());
[INFO] [stdout]    |                             ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/unity/version/hash.rs:82:44
[INFO] [stdout]    |
[INFO] [stdout] 82 |                     warn!("error: {}", err.description());
[INFO] [stdout]    |                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.01s
[INFO] running `Command { std: "docker" "inspect" "9e6d8dcb65a497866800e9b375a3877a13b566b42a4dac913b99fe275c4335f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e6d8dcb65a497866800e9b375a3877a13b566b42a4dac913b99fe275c4335f2", kill_on_drop: false }`
[INFO] [stdout] 9e6d8dcb65a497866800e9b375a3877a13b566b42a4dac913b99fe275c4335f2