[INFO] fetching crate minifier 0.0.36...
[INFO] checking minifier-0.0.36 against master#3e826bb11228508fbe749e594038d6727208aa94 for pr-82322
[INFO] extracting crate minifier 0.0.36 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate minifier 0.0.36 on toolchain 3e826bb11228508fbe749e594038d6727208aa94
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate minifier 0.0.36
[INFO] finished tweaking crates.io crate minifier 0.0.36
[INFO] tweaked toml for crates.io crate minifier 0.0.36 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate minifier 0.0.36 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f77316aca2e79e36d0f6038895ecb664c2c026c3b53340a44d5eb913a570037
[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" "8f77316aca2e79e36d0f6038895ecb664c2c026c3b53340a44d5eb913a570037", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f77316aca2e79e36d0f6038895ecb664c2c026c3b53340a44d5eb913a570037", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f77316aca2e79e36d0f6038895ecb664c2c026c3b53340a44d5eb913a570037", kill_on_drop: false }`
[INFO] [stdout] 8f77316aca2e79e36d0f6038895ecb664c2c026c3b53340a44d5eb913a570037
[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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e97a65c650b7261ec364fa75aee7c4f171b05e6bf06ae0dd04a05b3565fedd31
[INFO] running `Command { std: "docker" "start" "-a" "e97a65c650b7261ec364fa75aee7c4f171b05e6bf06ae0dd04a05b3565fedd31", kill_on_drop: false }`
[INFO] [stderr]     Checking macro-utils v0.1.3
[INFO] [stderr]     Checking minifier v0.0.36 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/json/read/byte_to_char.rs:117:41
[INFO] [stdout]     |
[INFO] [stdout] 117 |             CharsError::Other(ref e) => Error::description(e),
[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/json/read/byte_to_char.rs:117:41
[INFO] [stdout]     |
[INFO] [stdout] 117 |             CharsError::Other(ref e) => Error::description(e),
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.83s
[INFO] running `Command { std: "docker" "inspect" "e97a65c650b7261ec364fa75aee7c4f171b05e6bf06ae0dd04a05b3565fedd31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e97a65c650b7261ec364fa75aee7c4f171b05e6bf06ae0dd04a05b3565fedd31", kill_on_drop: false }`
[INFO] [stdout] e97a65c650b7261ec364fa75aee7c4f171b05e6bf06ae0dd04a05b3565fedd31