[INFO] fetching crate decimal 2.1.0...
[INFO] checking decimal-2.1.0 against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] extracting crate decimal 2.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate decimal 2.1.0 on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate decimal 2.1.0
[INFO] finished tweaking crates.io crate decimal 2.1.0
[INFO] tweaked toml for crates.io crate decimal 2.1.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate decimal 2.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] befd38ad1e5ed2d0354b21d08fc2a70c563f569454d34dca454c9b79e682aeb1
[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" "befd38ad1e5ed2d0354b21d08fc2a70c563f569454d34dca454c9b79e682aeb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "befd38ad1e5ed2d0354b21d08fc2a70c563f569454d34dca454c9b79e682aeb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "befd38ad1e5ed2d0354b21d08fc2a70c563f569454d34dca454c9b79e682aeb1", kill_on_drop: false }`
[INFO] [stdout] befd38ad1e5ed2d0354b21d08fc2a70c563f569454d34dca454c9b79e682aeb1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "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] e0f7cb2f771996ea80576e08322a93eae059beda07a6e88cb701dcc8f24a7ba2
[INFO] running `Command { std: "docker" "start" "-a" "e0f7cb2f771996ea80576e08322a93eae059beda07a6e88cb701dcc8f24a7ba2", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.124
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking ord_subset v3.1.1
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling decimal v2.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]     --> src/dec128.rs:1062:18
[INFO] [stdout]      |
[INFO] [stdout] 1062 |         #[derive(RustcDecodable, RustcEncodable, PartialEq, Debug)]
[INFO] [stdout]      |                  ^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcEncodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]     --> src/dec128.rs:1062:34
[INFO] [stdout]      |
[INFO] [stdout] 1062 |         #[derive(RustcDecodable, RustcEncodable, PartialEq, Debug)]
[INFO] [stdout]      |                                  ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.96s
[INFO] running `Command { std: "docker" "inspect" "e0f7cb2f771996ea80576e08322a93eae059beda07a6e88cb701dcc8f24a7ba2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0f7cb2f771996ea80576e08322a93eae059beda07a6e88cb701dcc8f24a7ba2", kill_on_drop: false }`
[INFO] [stdout] e0f7cb2f771996ea80576e08322a93eae059beda07a6e88cb701dcc8f24a7ba2