[INFO] fetching crate decimal 2.1.0...
[INFO] checking decimal-2.1.0 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[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 dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", 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] 9da176afbdf97d7ad5d3805779bd44d5a73949a5612da6525c74eafcbd120127
[INFO] running `Command { std: "docker" "start" "-a" "9da176afbdf97d7ad5d3805779bd44d5a73949a5612da6525c74eafcbd120127", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9da176afbdf97d7ad5d3805779bd44d5a73949a5612da6525c74eafcbd120127", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9da176afbdf97d7ad5d3805779bd44d5a73949a5612da6525c74eafcbd120127", kill_on_drop: false }`
[INFO] [stdout] 9da176afbdf97d7ad5d3805779bd44d5a73949a5612da6525c74eafcbd120127
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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] c89d1f73a0a8e6e98dfd987524c0643eb99c1a20ffb782da67850acf7b66aff8
[INFO] running `Command { std: "docker" "start" "-a" "c89d1f73a0a8e6e98dfd987524c0643eb99c1a20ffb782da67850acf7b66aff8", 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 cc v1.0.67
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking ord_subset v3.1.1
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling decimal v2.1.0 (/opt/rustwide/workdir)
[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 8.85s
[INFO] running `Command { std: "docker" "inspect" "c89d1f73a0a8e6e98dfd987524c0643eb99c1a20ffb782da67850acf7b66aff8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c89d1f73a0a8e6e98dfd987524c0643eb99c1a20ffb782da67850acf7b66aff8", kill_on_drop: false }`
[INFO] [stdout] c89d1f73a0a8e6e98dfd987524c0643eb99c1a20ffb782da67850acf7b66aff8