[INFO] fetching crate rtdlib 0.6.3...
[INFO] checking rtdlib-0.6.3 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] extracting crate rtdlib 0.6.3 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate rtdlib 0.6.3 on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rtdlib 0.6.3
[INFO] finished tweaking crates.io crate rtdlib 0.6.3
[INFO] tweaked toml for crates.io crate rtdlib 0.6.3 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 21cbca6807237e4c2738c8fa841107e6bbbe75d59598df83d8b351cc5cabf1a9
[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" "21cbca6807237e4c2738c8fa841107e6bbbe75d59598df83d8b351cc5cabf1a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21cbca6807237e4c2738c8fa841107e6bbbe75d59598df83d8b351cc5cabf1a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21cbca6807237e4c2738c8fa841107e6bbbe75d59598df83d8b351cc5cabf1a9", kill_on_drop: false }`
[INFO] [stdout] 21cbca6807237e4c2738c8fa841107e6bbbe75d59598df83d8b351cc5cabf1a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0fc16895022a2db8917f2ba04b55441b1745c961008a16d85025dd030f09f68d
[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" "0fc16895022a2db8917f2ba04b55441b1745c961008a16d85025dd030f09f68d", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling syn v1.0.56
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking serde_json v1.0.61
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]     Checking serde-aux v0.6.1
[INFO] [stderr]     Checking rtdlib v0.6.3 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `rtdlib`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name rtdlib --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' -C metadata=f8562b71ae14ed01 -C extra-filename=-f8562b71ae14ed01 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern libc=/opt/rustwide/target/debug/deps/liblibc-e38050f61901d09b.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-43a82aaa02138b53.rmeta --extern serde_aux=/opt/rustwide/target/debug/deps/libserde_aux-0f90042945863ef2.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-866072f77154c579.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-d0dff30fb933e75d.rmeta --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/errors.rs:30:36
[INFO] [stdout]    |
[INFO] [stdout] 30 |       RTDError::Io(ref err) => 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/errors.rs:31:43
[INFO] [stdout]    |
[INFO] [stdout] 31 |       RTDError::SerdeJson(ref err) => err.description(),
[INFO] [stdout]    |                                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "0fc16895022a2db8917f2ba04b55441b1745c961008a16d85025dd030f09f68d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fc16895022a2db8917f2ba04b55441b1745c961008a16d85025dd030f09f68d", kill_on_drop: false }`
[INFO] [stdout] 0fc16895022a2db8917f2ba04b55441b1745c961008a16d85025dd030f09f68d