[INFO] fetching crate minifier 0.0.36...
[INFO] checking minifier-0.0.36 against master#d902752866cbbdb331e3cf28ff6bba86ab0f6c62 for pr-77271
[INFO] extracting crate minifier 0.0.36 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate minifier 0.0.36 on toolchain d902752866cbbdb331e3cf28ff6bba86ab0f6c62
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "read-manifest" "--manifest-path" "Cargo.toml", 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-12/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" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 44588f72aa1eb0f6877e6572872b2fe0d2c3928915fbe4af8575c759adfa2802
[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" "44588f72aa1eb0f6877e6572872b2fe0d2c3928915fbe4af8575c759adfa2802", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44588f72aa1eb0f6877e6572872b2fe0d2c3928915fbe4af8575c759adfa2802", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44588f72aa1eb0f6877e6572872b2fe0d2c3928915fbe4af8575c759adfa2802", kill_on_drop: false }`
[INFO] [stdout] 44588f72aa1eb0f6877e6572872b2fe0d2c3928915fbe4af8575c759adfa2802
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 225e0118c735576e813e637d2afd0e1f1da4b78142c92b5f4eaef68c1d109d64
[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" "225e0118c735576e813e637d2afd0e1f1da4b78142c92b5f4eaef68c1d109d64", 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 1.85s
[INFO] running `Command { std: "docker" "inspect" "225e0118c735576e813e637d2afd0e1f1da4b78142c92b5f4eaef68c1d109d64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "225e0118c735576e813e637d2afd0e1f1da4b78142c92b5f4eaef68c1d109d64", kill_on_drop: false }`
[INFO] [stdout] 225e0118c735576e813e637d2afd0e1f1da4b78142c92b5f4eaef68c1d109d64